PCC3 CONFERENCE The role of bicarbonate(hco 3- ) in the VLE of DEAB and blended MEA-DEAB systems under
|
|
- Doris McLaughlin
- 5 years ago
- Views:
Transcription
1 1 PCC3 CONFERENCE The role of bicarbonate(hco 3- ) in the VLE of DEAB and blended MEA-DEAB systems under room and regeneration temperatures, an NMR study. Huancong Shi, 1, 2 Raphael Idem, 1 * Abdulaziz Naami Paitoon Tontiwachwuthikul 1 1. Clean Energy Technology Institution, Faculty of Engineering, University of Regina, Regina SK, Canada * Corresponding Author: Raphael. Idem; Tel Fax: address: raphael.idem@uregina.ca 2. Department of Environmental Science and Engineering, University of Shanghai for Science and Technology, Shanghai, China
2 2 Outline of the presentation Background and introductions Research Target: Bicarbonate vs Carbamate Background: Solvent Chemistry Background: VLE models Introduction: Role of bicarbonate under different conditions Experiments and materials Results and discussions NMR spectra and calibration curves of amine-co 2 -H 2 O solutions VLE of various amine-co 2 -H 2 O solutions from degree Role of bicarbonate under these plots, and shift trend. Summary and Conclusions Acknowledgment e
3 3 Background and introductions Research target: bicarbonate vs carbamate The research Target, Carbamate (RNH-COO - ) and bicarbonate (HCO 3- ) anions, are the major format of CO 2 dissolved in the solutions. 1. MEA-CO 2 -H 2 O, the majority of [CO 2 ] 0 is carbamate (RNH-COO - ). 2. DEAB-CO 2 -H 2 O, the majority is bicarbonate (HCO 3- ). 3. Blended MEA-DEAB-CO 2 -H 2 O contains both carbamate and bicarbonateb at tdifferent ratios. 4. VLE plots from 13 C NMR analysis of single and blended amine solutions, both in 24 C and 70 C to detect trend of the ratio of (HCO 3- ) vs C-mate in (MEA-DEAB solutions) 5. Experimental data indicated the carbamate exchange reaction is endothermic. With increase of temperature, ratio of bicarbonate increased accordingly and that of carbamate decrease.
4 4 Background and introductions 1. Solvent Chemistry: Besides CO 2 solubility, solvent chemistry analyses contain three major sections due to different aspects of the solvent behavior: 1. the equilibrium i state t (reaction equilibrium i and vapor liquid id equilibrium) (Shi et al. 2012a); 2. the CO 2 absorption aspects (reaction kinetics),(sema et al. 2012) 3. the acidity/alkalinity of amines (PKa) analysis.(rayer et al. 2012) 2. Vapor-Liquid-Equilibrium (VLE) model analysis of amine solution 1. The database from VLE models can reveal many secrets of CO 2 absorption at room and CO 2 desorption at higher temperature. 2. Most previous researches have been focused on single amine solutions. MEA, DEA, MDEA, TEA, PZ, and AMP 3. Until recently, we have managed to investigate blended amine solutions with novel 13 C NMR analysis successfully.
5 5 Background and introductions 2. (continue) The VLE models tests: 13 C NMR analyses of various amine-co 2 -H 2 O systems: Objective: single amine MEA-CO 2 -H 2 O, DEAB-CO 2 -H 2 O, blended amine (MEA-DEAB-CO 2 -H 2 O) Operation conditions: room temperature (absorption), regeneration temperature (regeneration) 3. The role of HCO 3- in the ion speciation plots detected under different amine solutions and different temperatures 1. The role of bicarbonate was very important for the amine regeneration and CO 2 desorption. 2. Carbamate and bicarbonate can convert to each other based on certain conditions, (acid / base, endothermic / exothermic). RNH-COO - +HO - 2 RNH 2 + HCO 3 (1) 3. For MEA-DEAB-CO 2 -H 2 O, The ratio of carbamate / bicarbonate was the research interest, which was determined by ratio of amines, CO 2 loadings, and operation temperatures, etc.
6 6 Experiments and Materials Chemicals and CO 2 loading tests Chemicals, MEA, HCl, CO 2, D 2 O are commercially available. DEAB was synthesised within our lab based on patent Determination of CO 2 loading (α) was performed based on titration with a Chittick apparatus according the Association of Official Analytical Chemists (AOAC) method. Experimental procedures: ph + NMR and NMR calibration methods The first is ph + NMR combination, which has been developed around 1998;[1] The second method was the recently developed one, which was invented and published since 2012;[2, 3] Reference 1. Holmes, P. E.; Naaz, M.; Poling, B. E. 1998, Ind. Eng. Chem. Res.,1998, 37, Shi, H.; Sema, T.; Naami, A.; Liang, Z.; Idem, R. O.; Tontiwachwuthikul, P Ind. Eng. Chem. Res. 2012, 51, Shi, H.; Naami, N.; Idem, R.; Tontiwachwuthikul, P. 2014a. Ind. Eng. Chem. Res. 2014, 53,
7 7 Template: VLE model and ion speciation plots Target: VLE models and ion speciation plots as a database. For absorption conditions 40 ºC 120 ºC For regeneration conditions These plots above were performed with software simulation with E-NRTL model. (Liu et al. Ind. Eng. Chem. Res. 1999, ) NMR Experimental testes can validate the simulative results and generate the accurate VLE plots.
8 8 Results: 13 C NMR spectra of DEAB 13 C NMR spectra of DEAB-H 2 O DEAB molecular structure (8 C atoms in a molecule) DEAB s typical 13 C spectra. (6 13 C peaks as symmetry) Fig 1a. 13 C NMR spectra of DEAB-H 2 O solutions
9 Results: 1D NMR spectra for MEA-DEAB-CO 2 - H 2 O blended amine system Complicated NMR spectra interpretation process 9 Carbamate Peak position (assignation). Area integration Fig 1b. 13 C NMR spectra of MEA-DEAB-CO 2 -H 2 O blended amine solutions
10 10 Results: 1D NMR for MEA-CO 2 -H 2 O Ion speciation plots of solution systems at 24ºC, with conventional ph + NMR method. Fig 2a. Amine speciation plots against the CO 2 / MEA for 5M MEA solution (Fan et al. Ind. Eng. Chem. Res. (2009), in our research group)
11 Results: The calibration curves NMR calibration curves and method This method is independent, the ph meter is no longer necessary. 11
12 12 Results: The calibration plots for MEA and DEAB MEA C2 at C DEAB C1, C3 at C
13 13 Results: 1D NMR for DEAB-CO 2 -H 2 O Ion speciation plots of solution systems at 24ºC: with both methods together NMR calibration curve smooth. Fig 2b. Ion speciation (mole fraction) plot of the DEAB CO 2 H 2 O system at 24.5 C and an initial DEAB concentration of 1.50 M
14 Results: 1D NMR for MEA-DEAB-CO 2 -H 2 O blended amine system at 24ºC Ion speciation plots with NMR calibration 14 Fig. 3a. Ion speciation plot of MEA-DEAB-CO 2 -H 2 O (5M MEA / 1.25M DEAB) at 24
15 Results: 1D NMR for MEA-DEAB-CO 2 -H 2 O blended amine system at 40ºC Ion speciation plots with NMR calibration 15 Fig. 3b. Ion speciation plot of MEA-DEAB-CO 2 -H 2 O (5M MEA / 1.25M DEAB) at 40
16 Results: 1D NMR for MEA-DEAB-CO 2 -H 2 O blended amine system at 60ºC Ion speciation plots with NMR calibration 16 Fig. 3c. Ion speciation plot of MEA-DEAB-CO 2 -H 2 O (5M MEA / 1.25M DEAB) at 60
17 Results: 1D NMR for MEA-DEAB-CO 2 -H 2 O blended amine system at 70ºC Ion speciation plots with NMR calibration 17 Fig. 3d. Ion speciation plot of MEA-DEAB-CO 2 -H 2 O (5M MEA / 1.25M DEAB) at 70 C
18 Results: 1D NMR for MEA-DEAB-CO 2 -H 2 O blended amine system at 90ºC Hard to generate VLE plots experimentally at 90ºC The NMR instruments for our tests can reach up to 70 ºC. Besides 24 and 70 ºC, we also tested 40, 50 and 60 ºC. We input all the data into some tables and extrapolate the experimental results from ºC toward 90 ºC. Finally, the ion speciation plot was generated at 90ºC The detailed operation method were provided in the reference file. The ion concentration of carbamate and bicarbonate will shift along with the increase of T. 18 Reference Shi, H.; Naami, N.; Idem, R.; Tontiwachwuthikul, P. 2014a. Ind. Eng. Chem. Res. 2014, 53,
19 Results. 1D NMR for MEA-DEAB-CO 2 -H 2 O blended amine system at 90 ºC Ion speciation plot at 90 ºC: extrapolate aefrom data a24-70 ºC 19 Fig 4. Predicted Ion speciation plot of MEA-DEAB-CO 2 -H 2 O (5.0 M M ±0.025 M) under 90ºC
20 Results: [HCO 3- ] in under various T and CO 2 loading Minimum CO 2 loading with detectable amount of HCO 3 and maximum concentration of HCO 3 20 Fig. 5. Minimum CO 2 loading with detectable amount of HCO 3 and maximum concentration of HCO 3 in MEA DEAB CO 2 H 2 O solutions (5 M/1.25 M ± M) under C.
21 21 Summary and dconclusions - 1 The role of bicarbonate within three different amine-co 2 concentrations. 1. Bicarbonate was negligible in MEA-CO 2 -H 2 O systems. 2. It is one of the major component in DEAB-CO 2 -H 2 O systems with max ratio of HCO 3- /Amine ~ The blended MEA-DEAB-CO 2 -H 2 O systems, the HCO 3- is co-exist with carbamate as the dissolved format of [CO 2 ]. HCO 3- consists 7-30% of total [CO 2 ] 0 within the amine concentration (MEA 5M, DEAB M). Effect of temperature, heat input and CO 2 loading. 1. With increase of operation temperatures, ion concentration of bicarbonate increase, and that of carbamate decrease. 2. The carbonate exchange reaction is endothermic. 3. With increased CO 2 loading(acidity), bicarbonate increase, carbamate increase and decrease after reached apex.
22 22 Summary and Conclusions - 2 Role of bicarbonate with in various amine-co 2 -H 2 O: 1. The ion concentration of [HCO 3- ] is constrained by reaction equilibrium and Vapor-liquid-quilibrium, the 3 most important factors are: CO 2 loading α, operating temperature t T, and ratio of tertiary ti amine vs primary amine β. [HCO 3 ] = f(α, T, β, Ki etc.) 2. The ion speciation plots of MEA-DEAB solutions (5M/1.25M) were generated under 6 different temperatures (24-90 C), we plot several typical figures. From these plots, the trend of bicarbonates under temperature swing were clearly demonstrated. 3. From 24 to 90 C, the max concentration of bicarbonate increase from to mol/l, and the minimum CO 2 loading where HCO - 3 started to be detectable decrease from 0.41 to 0.25 mol/mol. 4. Both trends are beneficial for amine regeneration and CO 2 desorption process. The next step is to increase concentration of bicarbonate under equilibrium solution conditions by means of solvent improvement.
23 23 Acknowledgement The U of Regina for the experimental e apparatusatus The Clean Energy Technology and Research Institute (CETRI) for the research work. The NSERC research fund to support the research. I(Dr Shi) am an Assistant Professor in Department of Envrionmental I(Dr. Shi) am an Assistant Professor in Department of Envrionmental Science, University of Shanghai Science and Technology. (USST)
Faculty of Technology, Telemark University College, Kjølnes Ring 56, 3918 Porsgrunn, Norway. 2. Tel-Tek, Kjølnes Ring 30, 3918 Porsgrunn, Norway.
Attempts to Predict Absorption Equilibria Klaus J. Jens 1,2, Dag A. Eimer 1,2, Bjørnar Arstad 3, Zulkifli Idris 1, Cristina Perinu 1, Gamunu Samarakoon 1 and John Arild Svendsen 1 1 Faculty of Technology,
More informationMiho Nitta a, Masaki Hirose a, Toru Abe a, Yukio Furukawa a, *, Hiroshi Sato b, Yasuro Yamanaka c
Available online at www.sciencedirect.com Energy Procedia 37 (013 ) 869 876 GHGT-11 13 C-NMR Spectroscopic Study on Chemical Species in H O System before and after Heating Miho Nitta a, Masaki Hirose a,
More informationUpdating 8 m 2MPZ and Independence Models
Updating 8 m 2MPZ and Independence Models Quarterly Report for January 1 March 31, 2013 by Brent Sherman Supported by the Texas Carbon Management Program and Carbon Capture Simulation Initiative McKetta
More informationCurrent status of R&D in post combustion CO 2 capture
Current status of R&D in post combustion CO 2 capture Kaj Thomsen, Ph.D. Center for Energy Resources Engineering, CERE DTU Chemical Engineering Technical University of Denmark Outline Choice of solvent
More informationMass Transfer in a Small Scale Flue Gas Absorber Experimental and Modeling
Mass Transfer in a Small Scale Flue Gas Absorber Experimental and Modeling P.J.G. Huttenhuis, E.P. van Elk, S. Van Loo, G.F. Versteeg Procede Gas Treating B.V., The Netherlands 11 th MEETING of the INTERNATIONAL
More informationSolubility of carbon dioxide in aqueous solutions of 2-amino-2-ethyl-1,3-propanediol
Fluid Phase Equilibria 202 (2002) 359 366 Solubility of carbon dioxide in aqueous solutions of 2-amino-2-ethyl-1,3-propanediol Jung-Yeon Park a, Sang Jun Yoon a, Huen Lee a,, Ji-Ho Yoon b, Jae-Goo Shim
More informationReaction kinetics of carbon dioxide with 2-amino-2-hydroxymethyl-1,3-propanediol in aqueous solution obtained from the stopped flow method
Turk J Chem 36 (2012), 427 435. c TÜBİTAK doi:10.3906/kim-1107-33 Reaction kinetics of carbon dioxide with 2-amino-2-hydroxymethyl-1,3-propanediol in aqueous solution obtained from the stopped flow method
More informationAvailable online at Energy Procedia 00 (2008) GHGT-9
Available online at www.sciencedirect.com Energy Procedia (8) Energy Procedia www.elsevier.com/locate/xxx GHGT-9 Quantitative Evaluation of the Aqueous-Ammonia Process for CO Capture Using Fundamental
More informationPy x P P P. Py x P. sat. dq du PdV. abs Q S. An Innovative Approach in the G U TS PV P P G U TS PV T H U PV H U PV. abs. Py x P. sat.
E a 1 1 sat sat ln Py x P Py x P K H k Ae R E sat a Py x P 1 1 sat ln K1 R Py x P K H k Ae R 1 CO P H 1 1 abs ln K H H 1/ R Q C 1 1 CO P ln S K H K1 R 1 P H abs H P K1 R CP 1 K1 R 1/ R S Q P 1 E a E du
More informationDevelopment of reactive chemical absorbents at the CSIRO
Development of reactive chemical absorbents at the CSIRO HiPerCap Workshop, March 25 2015 Graeme Puxty Research Team Leader CSIRO ENERGY FLAGSHIP CSIRO s chemical absorbent research program Concept Kinetics,
More informationAvailable online at ScienceDirect. Energy Procedia 114 (2017 )
Available online at www.sciencedirect.com ScienceDirect Energy Procedia 114 (2017 ) 1949 1955 13th International Conference on Greenhouse Gas Control Technologies, GHGT-13, 14-18 November 2016, Lausanne,
More informationSimulation of gas sweetening process using new formulated amine solutions by developed package and HYSYS
Simulation of gas sweetening process using new formulated amine solutions by developed package and Mohammad Irani 1 ١, Reza Dorosti 2, Akbar Zamaniyan 1, Marziye Zare 1- Research Institute of Petroleum
More informationA Thermodynamic Model for Determination of Carbon Dioxide Solubility and Ionic Speciation in Aqueous Alkanolamine Solutions
Humbul Suleman et al., J.Chem.Soc.Pak., Vol. 9, No. 0, 07 74 A Thermodynamic Model for Determination of Carbon Dioxide Solubility and Ionic Speciation in Aqueous Alkanolamine Solutions Humbul Suleman,
More informationComparison of Carbon Dioxide Absorption in Aqueous MEA, DEA, TEA, and AMP Solutions
Carbon Dioxide Capture Using Amine Solutions Bull. Korean Chem. Soc. 2013, Vol. 34, No. 3 783 http://dx.doi.org/10.5012/bkcs.2013.34.3.783 Comparison of Carbon Dioxide Absorption in Aqueous MEA, DEA, TEA,
More informationAvailable online at ScienceDirect. Energy Procedia 63 (2014 ) GHGT USA
Available online at www.sciencedirect.com ScienceDirect Energy Procedia 63 (2014 ) 1487 1496 GHGT-12 CO 2 mass transfer and solubility in aqueous primary and secondary amine Le Li a, Gary Rochelle a, *
More informationA rational approach to amine mixture formulation for CO 2 capture applications. Trondheim CCS Conference - 6 June 14 16, 2011 Graeme Puxty
A rational approach to amine mixture formulation for CO 2 capture applications Trondheim CCS Conference - 6 June 14 16, 2011 Graeme Puxty The ideal solvent for CO 2 post-combustion capture: Process challenges
More informationAvailable online at Energy Procedia 4 (2011) Energy Procedia 00 (2010) GHGT-10
Available online at www.sciencedirect.com 201 208 www.elsevier.com/locate/procedia www.elsevier.com/locate/xxx GGT-10 Synthesis and selection of hindered new amine absorbents for CO 2 capture Firoz Alam
More informationAbsorption of carbon dioxide into a mixed aqueous solution of diethanolamine and piperazine
Indian Journal of Chemical Technology Vol. 17, November 2010, pp. 431-435 Absorption of carbon dioxide into a mixed aqueous solution of diethanolamine and piperazine M K Mondal Department of Chemical Engineering
More informationExperimental study into carbon dioxide solubility and species distribution in aqueous alkanolamine solutions
Air Pollution XX 515 Experimental study into carbon dioxide solubility and species distribution in aqueous alkanolamine solutions H. Yamada, T. Higashii, F. A. Chowdhury, K. Goto S. Kazama Research Institute
More informationCarbon dioxide removal processes by alkanolamines in aqueous organic solvents Hamborg, Espen Steinseth
University of Groningen Carbon dioxide removal processes by alkanolamines in aqueous organic solvents Hamborg, Espen Steinseth IMPORTANT NOTE: You are advised to consult the publisher's version (publisher's
More informationBenefits from the Rigorous Mass Transfer Rate Approach to Modelling Acid Gas Absorption Using Mixed Amines
Benefits from the Rigorous Mass Transfer Rate Approach to Modelling Acid Gas Absorption Using Mixed Amines David J. Vickery and John T. Adams ChemShare Corporation, Houston Texas and Robert D. Wright Amoco
More informationSimulation of CO 2 removal in a split-flow gas sweetening process
Korean J. Chem. Eng., 28(3), 643-648 (2011) DOI: 10.1007/s11814-010-0446-6 INVITED REVIEW PAPER Simulation of CO 2 removal in a split-flow gas sweetening process Hyung Kun Bae, Sung Young Kim, and Bomsock
More informationCarbon Dioxide Absorption into Aqueous Blends of Potassium Carbonate and Amine
Asian Journal of Chemistry; Vol. 24, No. 8 (2012), 33863390 Carbon Dioxide Absorption into Aqueous Blends of Potassium Carbonate and Amine Y.E. KIM, J.H. CHOI, S.C. NAM and Y.I. YOON Korea Institute of
More informationGive 6 different types of solutions, with an example of each.
Warm up (Jan 5) Give 6 different types of solutions, with an example of each. 1 Warm Up (Jan 6) 1. Write the reaction showing the dissolving of the following solids (be sure to note whether they are covalent
More informationVolatility of MEA and Piperazine
Volatility of MEA and Piperazine Department of Chemical Engineering The University of Texas at Austin Austin, Texas 78712 USA Marcus Hilliard, John M c Lees, Dr. Gary T. Rochelle June 16, 2006 This presentation
More informationABSTRACT INTRODUCTION
CO Absorption Rate and Solubility in Monoethanolamine/Piperazine/Water Hongyi Dang (dang@che.utexas.edu) Gary T. Rochelle* (gtr@che.utexas.edu, 51-471-70) The University of Texas at Austin Department of
More informationIonic Liquids for Post Combustion CO 2 -Absorption
Ionic Liquids for Post Combustion CO 2 -Absorption 12th MEETING of the INTERNATIONAL POST-COMBUSTION CO 2 CAPTURE NETWORK David Wappel 1), Guenter Gronald 2), Roland Kalb 3) and Josef Draxler 1) 1) University
More informationHeat of Absorption of CO 2 in Aqueous Solutions of DEEA, MAPA and their Mixture
Available online at www.sciencedirect.com Energy Procedia 37 (2013 ) 1532 1542 GHGT-11 Heat of Absorption of CO 2 in Aqueous Solutions of DEEA, MAPA and their Mixture Muhammad Waseem Arshad a, Nicolas
More informationThe Refined Electrolyte-NRTL Model applied to CO 2 -H 2 O-alkanolamine systems
1 The Refined Electrolyte-NRTL Model applied to CO 2 -H 2 O-alkanolamine systems - Equilibrium model predictions - Implementation into the CO2SIM simulator., Finn Andrew Tobiesen*, Mehdi Karimi, Xiao Luo,
More informationDiisononyl phthalate Organics Interactions: A Phase Equilibrium Study Using Modified UNIFAC Models
Diisononyl phthalate Organics Interactions: A Phase Equilibrium Study Using Modified UNIFAC Models Given T Pheko, Edison Muzenda, Mohamed Belaid and Corina Mateescu Abstract Volatile organic compounds
More informationCO 2 absorption characteristics of a piperazine derivative with primary, secondary, and tertiary amino groups
Korean J. Chem. Eng., 33(11), 3222-3230 (2016) DOI: 10.1007/s11814-016-0180-9 INVITED REVIEW PAPER pissn: 0256-1115 eissn: 1975-7220 CO 2 absorption characteristics of a piperazine derivative with primary,
More informationRemoval of Carbon Dioxide from Indoor Air Using a Cross- Flow Rotating Packed Bed
Available online at www.sciencedirect.com Energy Procedia 37 (2013 ) 1187 1193 GHGT-11 Removal of Carbon Dioxide from Indoor Air Using a Cross- Flow Rotating Packed Bed Abstract Chia-Chang Lin *, Han-Tsung
More informationScienceDirect. Impact of heat stable salts on equilibrium CO 2 absorption
Available online at www.sciencedirect.com ScienceDirect Energy Procedia 63 (2014 ) 1781 1794 GHGT-12 Impact of heat stable salts on equilibrium CO 2 absorption Ugochukwu Edwin Aronu*, Kristin Giske Lauritsen,
More informationDepartment of Chemical Engineering, University of Connecticut, Storrs, Connecticut
1542 Ind. Eng. Chem. Res. 2005, 44, 1542-1546 SEPARATIONS Development of Supported Ethanolamines and Modified Ethanolamines for CO 2 Capture T. Filburn,* J. J. Helble, and R. A. Weiss Department of Chemical
More informationStudies of Modification of Biopolymer with Piperazine Derivative for Carbon Dioxide Adsorption
A publication of CHEMICAL ENGINEERINGTRANSACTIONS VOL. 29, 2012 Guest Editors: PetarSabevVarbanov, Hon LoongLam,JiříJaromírKlemeš Copyright 2012, AIDIC ServiziS.r.l., ISBN 978-88-95608-20-4; ISSN 1974-9791
More informationPilot / lab scale study of CO 2 separation with ionic liquid blending
12 June-14 June, 2017 Pilot / lab scale study of CO 2 separation with ionic liquid blending Dawei Shang, Xiangping Zhang, Suojiang Zhang Institute of Process Engineering, Chinese Academy of Sciences 1
More informationUniversity of Groningen
University of Groningen Experimental and theoretical study of the solubility of carbon dioxide in aqueous blends of piperazine and N-methyldiethanolamine Derks, P. W. J.; Hogendoorn, J. A.; Versteeg, G.
More informationSolutions. LiCl (s) + H2O (l) LiCl (aq) 3/12/2013. Definitions. Aqueous Solution. Solutions. How Does a Solution Form? Solute Solvent solution
Solutions Definitions A solution is a homogeneous mixture A solute is dissolved in a solvent. solute is the substance being dissolved solvent is the liquid in which the solute is dissolved an aqueous solution
More informationAvailable online at ScienceDirect. Energy Procedia 114 (2017 )
Available online at www.sciencedirect.com ScienceDirect Energy Procedia 114 (2017 ) 1828 1833 13th International Conference on Greenhouse Gas Control Technologies, GHGT-13, 14-18 November 2016, Lausanne,
More informationModeling and Simulation of Absorption Column of Natural Gas Sweetening Unit by Mass Transfer Method
Modeling and Simulation of Absorption Column of Natural Gas Sweetening Unit by Mass Transfer Method Mahmood Sahabi, Mansoor Shirvani*, Mohammad Reza Dehghani * Faculty of Chemical Engineering, Iran University
More informationA NEW SOLVENT FOR CO2 CAPTURE R.
A NEW SOLVENT FOR CO 2 CAPTURE R. Viscardi, G. Vanga and V. Barbarossa vincenzo.barbarossa@enea.it C.R. Casaccia ENEA; via Anguillarese, 301; 00123 S. M. Galeria-Roma Abstract This experimental study describes
More informationThermodynamics of Borax Dissolution
Thermodynamics of Borax Dissolution Introduction In this experiment, you will determine the values of H, G and S for the reaction which occurs when borax (sodium tetraborate octahydrate) dissolves in water.
More informationSurvey Calculations Single Surveys
Survey Calculations Single Surveys Introduction Survey calculations are single point calculations strung together in series. They are also referred to as multiple point calculations. These calculations
More informationCHEM 254 EXPERIMENT 5. Solubility and Enthalpy of Fusion of Ammonium Oxalate in Water
CHEM 254 EXPERIMENT 5 Solubility and Enthalpy of Fusion of Ammonium Oxalate in Water In general solubility (g/100 ml) is defined as amount of substance that dissolved in a given solvent at a given temperature.
More informationAvailable online at Energy Procedia 1 (2009) (2008) GHGT-9
Available online at www.sciencedirect.com Energy Procedia 1 (2009) (2008) 1257 1264 000 000 Energy Procedia www.elsevier.com/locate/procedia www.elsevier.com/locate/xxx GHGT-9 Solubility of CO 2 in Aqueous
More informationSummit:Technology and Opportunity
Study of the gas-liquid CO 2 absorption in aqueous monoethanolamine solutions: development of a new experimental tool C. Wylock, S. Dehaeck, E. Boulay, P. Colinet and B. Haut CO 2 Summit:Technology and
More informationRegeneration Section of CO 2 Capture Plant by MEA Scrubbing with a Rate-Based Model
A publication of 1849 CHEMICAL ENGINEERING TRANSACTIONS VOL. 3, 013 Chief Editors: Sauro Pierucci, Jiří J. Klemeš Copyright 013, AIDIC Servizi S.r.l., ISBN 978-88-95608-3-5; ISSN 1974-9791 The Italian
More informationKinetics of absorption of carbon dioxide in aqueous ammonia solutions Derks, P. W. J.; Versteeg, Geert
University of Groningen Kinetics of absorption of carbon dioxide in aqueous ammonia solutions Ders, P. W. J.; Versteeg, Geert Published in: Energy Procedia DOI: 10.1016/j.egypro.009.01.150 IMPORTANT NOTE:
More information12. Acid Base Equilibria
2. Acid Base Equilibria BronstedLowry Definition of acid Base behaviour A BronstedLowry acid is defined as a substance that can donate a proton. A BronstedLowry base is defined as a substance that can
More informationSimulation of CO 2 Removal by Potassium Taurate Solution
A publication of CHEMICAL ENGINEERING TRANSACTIONS VOL. 57, 2017 Guest Editors: Sauro Pierucci, Jiří Jaromír Klemeš, Laura Piazza, Serafim Bakalis Copyright 2017, AIDIC Servizi S.r.l. ISBN 978-88-95608-48-8;
More informationCarbon dioxide removal processes by alkanolamines in aqueous organic solvents Hamborg, Espen Steinseth
University of Groningen Carbon dioxide removal processes by alkanolamines in aqueous organic solvents Hamborg, Espen Steinseth IMPORTANT NOTE: You are advised to consult the publisher's version (publisher's
More informationChE 201 August 26, ChE 201. Chapter 8 Balances on Nonreactive Processes Heat of solution and mixing
ChE 201 Chapter 8 Balances on Nonreactive Processes Heat of solution and mixing Definitions A solution is a homogeneous mixture A solute is dissolved in a solvent. solute is the substance being dissolved
More informationChapter 10. Acids and Bases
Chapter 10 Acids and Bases 1 Properties of Aqueous Solutions of Acids and Bases Aqueous acidic solutions have the following properties: 1. They have a sour taste.. They change the colors of many indicators.
More informationKinetics of carbonate systems
1 Kinetics of carbonate systems Hanna Knuutila Trondheim, 15 June 009 Outline Activity and concentration based kinetic constant Kinetic constant of infinite dilution Promotion Conclusions 3 String of discs
More informationSystematic selection of mixtures as postcombustion
ARISTOTLE UNIVERSITY of THESSALONIKI Systematic selection of mixtures as postcombustion CO 2 capture solvent candidates T. Zarogiannis, A. I. Papadopoulos, P. Seferlis Department of Mechanical Engineering
More informationTake Home Semester 2 Practice Test for Acc Chem MM 15-16
Take Home Semester 2 Practice Test for Acc Chem MM 15-16 Thermochemistry 1. Determine ΔHrxn. 2SO2(g) + O2(g) 2SO3(g) a) 98.9 b) 98.9 c) 197.8 d) 197.8 ΔHf o SO2(g) 296.8 kj/mol SO3(g) 395.7 kj/mol O2(g)
More informationEquilibrium principles in aqueous systems are limited to qualitative descriptions and/or calculations involving:
NCEA Chemistry 3.6 Aqueous Systems AS 91392 Demonstrate understanding of equilibrium principles in aqueous systems Aqueous systems are limited to those involving sparingly soluble ionic solids Equilibrium
More informationSome of our Applications: CO 2 to chemicals via reversible CO 2 capture, biomass pretreatment, biomass fractionation etc
Let the show begin Some of our Applications: CO 2 to chemicals via reversible CO 2 capture, biomass pretreatment, biomass fractionation etc Professor Jyri-Pekka Mikkola Modified from knowyourmeme.com Case
More informationSELECTIVE REMOVAL OF CARBON DIOXIDE FROM AQUEOUS AMMONIA SOLUTIONS
Distillation Absorption 2010 A.B. de Haan, H. Kooijman and A. Górak (Editors) All rights reserved by authors as per DA2010 copyright notice SELECTIVE REMOVAL OF CARBON DIOXIDE FROM AQUEOUS AMMONIA SOLUTIONS
More informationChapter 18. Reversible Reactions. A chemical reaction in which the products can react to re-form the reactants is called a reversible reaction.
Section 1 The Nature of Chemical Equilibrium Reversible Reactions A chemical reaction in which the products can react to re-form the reactants is called a reversible reaction. Section 1 The Nature of Chemical
More informationRigorous Modeling of a CO 2 -MEA Stripping System
A publication of CHEMICAL ENGINEERING TRANSACTIONS VOL. 57, 2017 Guest Editors: Sauro Pierucci, Jiří Jaromír Klemeš, Laura Piazza, Serafim Bakalis Copyright 2017, AIDIC Servizi S.r.l. ISBN 978-88-95608-48-8;
More informationOptimal molecular design of poly (ionic liquids) for CO2 capture from the atmosphere
Engineering Conferences International ECI Digital Archives CO2 Summit II: Technologies and Opportunities Proceedings Spring 4-13-2016 Optimal molecular design of poly (ionic liquids) for CO2 capture from
More informationChapter 11. General Chemistry. Chapter 11/1
Chapter 11 Solutions and Their Properties Professor Sam Sawan General Chemistry 84.122 Chapter 11/1 Solutions Solution: A homogeneous mixture. Solvent: The major component. Solute: A minor component. Copyright
More informationOutline DISCLAIMER SOLUTION MONITORING GUIDELINES FOR AMINE SYSTEMS
SOLUTION MONITORING GUIDELINES FOR AMINE SYSTEMS Amine Best Practices Group (ABPG) Represented by Nate Hatcher 2011 Brimstone-STS Sulphur Recovery Symposium Vail, CO DISCLAIMER The information and data
More informationAvailable online at ScienceDirect. Energy Procedia 63 (2014 ) GHGT-12
Available online at www.sciencedirect.com ScienceDirect Energy Procedia 63 (2014 ) 1106 1114 GHGT-12 Temperature Dependent Enthalpy of CO 2 Absorption for Amines and Amino acids from theoretical calculations
More informationDistribution of Glycolic Acid Between Water and Different Organic Solutions
. NCI, Distribution of Glycolic Acid Between Water and Different Organic Solutions, Chem. Biochem. Eng. Q. 16 (2) 81 85 (2002) 81 Distribution of Glycolic Acid Between Water and Different Organic Solutions.
More information10/16/17 ACIDS AND BASES, DEFINED WATER IS AMPHOTERIC OUTLINE. 9.1 Properties of Acids and Bases. 9.2 ph. 9.3 Buffers
ACIDS AND BASES, DEFINED A hydrogen atom contains a proton and an electron, thus a hydrogen ion (H + ) is a proton: Acids: Proton (H + ) transfer between molecules is the basis of acid/base chemistry Ø
More informationEffect of Precipitation on Operation Range of the CO 2
Korean Chem. Eng. Res., Vol. 45, No. 3, June, 007, pp. 58-63 g g o mk m o oi n m oi iii i lo Ç Ç k Ç p *Ç p * o 305-701 re o 373-1 * l v l o rl 305-343 re o q 71- (006 1o 18p r, 007 1o 11p }ˆ) Effect of
More informationof Science and Technology, Daejeon, Republic of Korea
This article was downloaded by:[2007-2008 Yonsei University Central Library] On: 16 April 2008 Access Details: [subscription number 769136881] Publisher: Taylor & Francis Informa Ltd Registered in England
More informationViscosity data of aqueous MDEA [Bmim][BF 4 ] solutions within carbon capture operating conditions
Available online at www.sciencedirect.com Energy Procedia 00 (2016) 000 000 www.elsevier.com/locate/procedia The 8 th International Conference on Applied Energy ICAE2016 Viscosity data of aqueous MDEA
More informationAbsorption of Carbon Dioxide at High Partial Pressures in Aqueous Solutions of Di-isopropanolamine
Article Subscriber access provided by UNIV DE GRANADA Absorption of Carbon Dioxide at High Partial Pressures in Aqueous Solutions of Di-isopropanolamine Fernando CamachoSebastin Snchez, Rafael Pacheco,
More informationDesign and Synthesis of Nitrogen-Doped Porous Carbon Materials for CO 2 Capture and Investigation of CO 2 Sorption Kinetics
Design and Synthesis of Nitrogen-Doped Porous Carbon Materials for CO 2 Capture and Investigation of CO 2 Sorption Kinetics Investigators Jennifer Wilcox, Assistant Professor, Energy Resources Engineering;
More informationName: Section: Score: /10 PRE LABORATORY ASSIGNMENT EXPERIMENT 7
Name: Section: Score: /10 PRE LABORATORY ASSIGNMENT EXPERIMENT 7 1. Is the sign of Δ r H for an exothermic reaction positive or negative? Why? 2. When 4.21 grams of potassium hydroxide are added to 250.
More informationSolubility of Carbon Dioxide in Aqueous Piperazine Solutions
THERMODYNAMICS Solubility of Carbon Dioxide in Aqueous Piperazine Solutions P. W. J. Derks, H. B. S. Dijkstra, J. A. Hogendoorn, and G. F. Versteeg Dept. of Science and Technology, University of Twente,
More informationHeat of absorption of CO 2 in aqueous ammonia, piperazine solutions and their mixtures
Heat of absorption of CO 2 in aqueous ammonia, piperazine solutions and their mixtures Jinzhao Liu, Shujuan Wang, Hallvard F Svendsen*, Muhammad Usman Idrees, Inna Kim and Changhe Chen The 6th Trondheim
More informationSOLVENT PROPERTIES OF FUNCTIONALIZED IONIC LIQUIDS FOR CO 2 ABSORPTION
SOLVENT PROPERTIES OF FUNCTIONALIZED IONIC LIQUIDS FOR CO 2 ABSORPTION L.M. Galán Sánchez G.W. Meindersma A.B. de Haan University of Twente, Separation Technology Group, Faculty of Science and Technology,
More informationChapter 9: Acids, Bases, and Salts
Chapter 9: Acids, Bases, and Salts 1 ARRHENIUS ACID An Arrhenius acid is any substance that provides hydrogen ions, H +, when dissolved in water. ARRHENIUS BASE An Arrhenius base is any substance that
More informationSupplementary Information for Efficient catalytic conversion of fructose into hydroxymethylfurfural by a novel carbon based solid acid
Supplementary Information for Efficient catalytic conversion of fructose into hydroxymethylfurfural by a novel carbon based solid acid Jianjian Wang, Wenjie Xu, Jiawen Ren*, Xiaohui Liu, Guanzhong Lu,
More informationThermodynamics and Equilibrium
Thermodynamics and Equilibrium College of Western Idaho ABSTRACT The purpose of this experiment was to measure how the solubility product constant (Ksp) changes with temperature and to use this information
More informationAbsorption kinetics of carbon dioxide into aqueous ammonia solution: Addition of hydroxyl groups for suppression of vaporization
Korean J. Chem. Eng., 30(9), 1790-1796 (2013) DOI: 10.1007/s11814-013-0105-9 INVITED REVIEW PAPER Absorption kinetics of carbon dioxide into aqueous ammonia solution: Addition of hydroxyl groups for suppression
More informationShifting Equilibrium. Section 2. Equilibrium shifts to relieve stress on the system. > Virginia standards. Main Idea. Changes in Pressure
Section 2 Main Ideas Equilibrium shifts to relieve stress on the system. Some ionic reactions seem to go to completion. Common ions often produce precipitates. > Virginia standards CH.3.f The student will
More information5.1.3 Acids, Bases and Buffers
5..3 Acids, Bases and Buffers BronstedLowry Definition of Acid Base behaviour A BronstedLowry acid is defined as a substance that can donate a proton. A BronstedLowry base is defined as a substance that
More informationModelling and prediction of the solubility of acid gases in diethanolamine solutions
High Temperatures ^ High Pressures, 2000, volume 32, pages 261 ^ 270 15 ECTP Proceedings pages 247 ^ 256 DOI:10.1068/htwu271 Modelling and prediction of the solubility of acid gases in diethanolamine solutions
More informationdifferent model parameter correlations and thermodynamic models
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 CO2 absorption into loaded aqueous MEA solutions: impact of different model parameter correlations and thermodynamic models on the absorption rate
More informationPhase Equilibrium of Ionic Liquid/Organic/CO 2 Systems
Phase Equilibrium of Ionic Liquid/Organic/CO 2 Systems Bang-Hyun Lim, Hoa Van Nguyen, and Jae-Jin Shim* School of Display and Chemical Engineering, Yeungnam University, 214-1 Dae-dong, Gyeongsan, Gyeongbuk
More informationKinetics ofthe reactive absorption ofcarbon dioxide in high CO 2 -loaded, concentrated aqueous monoethanolamine solutions
Chemical Engineering Science 58 (2003) 5195 5210 www.elsevier.com/locate/ces Kinetics ofthe reactive absorption ofcarbon dioxide in high CO 2 -loaded, concentrated aqueous monoethanolamine solutions Ahmed
More informationGeneral Practical Chemistry EXPERIMENTS REOPRTS 101 Chem & 104 Chem
King Saud University Faculty of Science Chemistry Department General Practical Chemistry EXPERIMENTS REOPRTS 101 Chem & 104 Chem Text Book: Practical General Chemistry By Dr. Ahmad Al-Owais & Dr. Abdulaziz
More informationMultiple Choice Identify the letter of the choice that best completes the statement or answers the question.
CP Chem Review 2 Matching Match each item with the correct statement below. a. activated complex d. activation energy b. reaction rate e. free energy c. inhibitor 1. the minimum energy colliding particles
More informationSUPERCRITICAL CARBON DIOXIDE DESORPTION OF XYLENE FROM ZEOLITE
SUPERCRITICAL CARBON DIOXIDE DESORPTION OF XYLENE FROM ZEOLITE Stéphane VITU and Danielle BARTH ( * ) Institut National Polytechnique de Lorraine Ecole Nationale Supérieure des Industries Chimiques Laboratoire
More informationAP Chemistry--Chapter 11: Properties of Solutions
AP Chemistry--Chapter 11: Properties of Solutions I. Solution Composition (ways of expressing concentration) 1. Qualitatively, use dilute or concentrated to describe 2. Quantitatively a. Mass Percentage
More informationCHEM 3760 Orgo I, F14 (Lab #11) (TECH 710)
CHEM 3760 Orgo I, F14 (Lab #11) (TECH 710) Identification of an Unknown by IR PRELAB (PreLab is due before entering the lab.) Every student has to prepare for each experiment by answering the Pre-Laboratory
More informationDay 2 Program Solutions
Day 2 Program Solutions Solution Definition: A solution is a homogeneous mixture of two or more substances. A solution may exist in any phase. Solution Examples: An example of a solid solution is brass.
More informationVAPOR LIQUID EQUILIBRIUM AND PARTITION COEFFICIENTS OF N- PROPYLMERCAPTAN, N-BUTYLMERCAPTAN AND DIMETHYLSULFIDE IN MDEA AQUEOUS SOLUTION 1
APOR LIQUID EQUILIBRIUM AND PARTITION COEFFICIENTS OF N- PROPYLMERCAPTAN, N-BUTYLMERCAPTAN AND DIMETHYLSULFIDE IN MDEA AQUEOUS SOLUTION 1 Javeed A Awan, Christophe Coquelet, Dominique Richon* Mines Paris,
More informationCarbon dioxide removal by alkanolamines in aqueous organic solvents Hamborg, Espen S.; Derks, Peter W.J.; Elk, Edwin P. van; Versteeg, Geert F.
University of Groningen Carbon dioxide removal by alkanolamines in aqueous organic solvents Hamborg, Espen S.; Derks, Peter W.J.; Elk, Edwin P. van; Versteeg, Geert F. Published in: Energy Procedia DOI:
More informationSupporting Information
Supporting Information Visual Determination of Cu 2+ through Copper-Catalysed in-situ Formation of Ag Nanoparticles Xun Yuan a and Yi Chen* a,b a Key Laboratory of Analytical Chemistry for Living Biosystems,
More informationEquilibrium Practice Problems page 1
Equilibrium Practice Problems page 1 1988 D NH 4 HS(s) NH 3 (g) + H 2 S(g) ΔHº = +93 kilojoules The equilibrium above is established by placing solid NH 4 HS in an evacuated container at 25ºC. At equilibrium,
More informationAustralian Journal of Basic and Applied Sciences
ISSN:1991-8178 Australian Journal of Basic and Applied Sciences Journal home page: www.ajbasweb.com An Overview Of Dynamic Model For CO 2 Removal 1 Faezah Isa, 2 H. Zabiri, 3 emma Dendana Tuffa, 4 Azmi
More informationCHEM 1310 A/B: General Chemistry Georgia Institute of Technology Exam 3, Chapters November 18, 2009 Williams Section
CHEM 1310 A/B: General Chemistry Georgia Institute of Technology Exam 3, Chapters 13-15 November 18, 2009 Williams Section PrintName: LastName FirstName TeachingAssistant Section "HavingreadtheGeorgiaInstituteofTechnologyAcademicHonorcode,Iunderstandandacceptmy
More informationChem 210 Jasperse Final Exam- Version 1 Note: See the very last page to see the formulas that will be provided with the final exam.
Chem 210 Jasperse Final Exam- Version 1 Note: See the very last page to see the formulas that will be provided with the final exam. 1 1. Which of the following liquids would have the highest vapor pressure,
More information1.12 Acid Base Equilibria
.2 Acid Base Equilibria BronstedLowry Definition of acid Base behaviour A BronstedLowry acid is defined as a substance that can donate a proton. A BronstedLowry base is defined as a substance that can
More information