Pyrolysis for Cr (VI) Removal. osmosis membranes. MS2 in water. fouling resistance. Oxide and PPy- Molybdenum Disulfide Surfaces by NaCl Electrolysis
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1 4A Water Treatment I 10:30 AM Multifunctional magnetic nanocomposites (Overview talk) Dino Villagran 11:00 AM Arsenic Removal by Graphene Oxide-Nanoscale Zero-valent Iron Hybrid Tonoy K. Das 11:20 AM Development of multifunctional nanocomposite coating for indirect potable reuse water treatment Pasan Chinthana Bandara 11:40 AM Producing Clean Water and Salinity Gradient Energy by Using a Graphene Oxide Laminate Xin Tong 12:00 PM Iron Nanoparticle Impregnated 1-D and 2-D Carbon Nanohybrids Prepared with Ultrasonic Spray Pyrolysis for Cr (VI) Removal 12:20 PM Investigating the effect of graphene oxide on scaling in thin-film composite polyamide reverse osmosis membranes 12:40 PM Lunch Nirupam Aich Ali Ansari 4B Water Treatment II 2:00 PM Preferential interaction between functionalized multiwalled carbon nanotubes and bacteriophage MS2 in water 2:30 PM Integration of graphene oxide in mixed-matrix membranes: balancing membrane performance with fouling resistance 2:50 PM Application of External Voltage for the Release of Deposited Organic Foulants from PPy- Graphene Oxide and PPy- Molybdenum Disulfide Surfaces by NaCl Electrolysis Navid B. Saleh Francois Perreault Iftaykhairul Alam 3:10 PM Water Clusters with Superatom Electronic States Juan C. Noveron 3:40 PM Break 4:00 PM Role of Particle Chemistry on Filtration Mechanisms of Water Treatment- Food Grade and Industrial Grade TiO2 4:20 PM Antimicrobial Property of MoS2 Nanosheets and Potential Application in Controlling Membrane Biofouling Chen Chen Yingcan Zhao 4:40 PM Characterizing Wastewater Behavior of Titanium Dioxide Nanoparticles Travis Waller 5:10 PM Facile Modification of Bi2WO6 with Base for Improved Photocatalytic Activity under Visible Light Bangxing Ren 5:30 PM Quantitative Understanding of Nanoparticle Flocculation in Water Treatment Sungmin Youn
2 Water Treatment, Overview Clean water, one of the most basic needs Each year, the world generates 400 billion tons of industrial waste. 1.1 billion people do not have access to clean water. Social, Agricultural and Environmental issues. The Global Challenge: Access to Clean, Fresh Water - Institute for Molecular Engineering (accessed Dec 13, 2016) United Nations International Year of Water Cooperation: Facts and Figures /water-cooperation/facts-and-figures/en/ (accessed Dec 13, 2016).
3 Global and local 3
4 Nanotechnology can enhance existing treatment processes Turbidity, Taste/odor Water hardness Heavy metal contaminants Oxoanions Organic pollutants (pesticides, endocrine disruptors, pharmaceuticals) Salts Pathogens Selective adsorbents Electrosorption Selective adsorbents Selective adsorbents Selective adsorbents Electrosorption Catalysis Photocatalysis Catalysis Catalysis Catalysis Membranes Photocatalysis Membranes Distillation 4
5 Multifunctional Magnetic Porous Nanocomposites For Water Treatment Dino Villagran Students: Karen Ventura, Roy Arrieta, Vahid Jabbari, Mariana Marcos The University of Texas at El Paso Chemistry Department November 6 th, 2017
6 Magnetic nanomaterials Contaminant removal under flow Contaminant specific interaction Magnetic capture Superparamagnetic ENMs Contaminant binds to Fe 3 O 4 nanoparticles Low-field magnet traps nanoparticles 6
7 Objective Synthesize engineered nanomaterials with enhanced absorptive properties Build a composite system that has these properties High Stability High Absorptivity towards water pollutants Magnetic Absorptive material (MOF)
8 Metal Organic Frameworks (or ZIFs) 2 gram MOF-5 2,900 m 2 /g Surface Area 8
9 Metal-Organic Frameworks and Zeolitic-Imidizolate Frameworks High porosity Thermal stability Chemical Stability Small molecule absorption M = Ni, Cu, Co, Zn, Zr HKUST; UiO66; 9
10 Supporting Platforms Graphene oxide (GO) Boron Nitride Nanosheets (BNNs)
11 in-situ Formation and Decoration of the MOFs over Graphene Layer Chem. Eng. J., 2016,
12 h-bn 12
13 Powder X-Ray Diffraction 13 Chem. Eng. J., 2016,
14 Infra-Red Spectra Chem. Eng. J., 2016,
15 Scanning Electron Microscope (a) (b) (c) (d) (e) (f) SEM images for parent materials. (a) Cu 3 (BTC) 2. (b)ni 3 (BTC) 2. (c) Fe 3 O 4 Nanoparticles. (d) Zn 3 (BTC) 2. (e) Co 3 (BTC) 2. (f) Fe 3 O 4 nanoparticles functionalized with APTES. 15
16 Transmission Electron Microscopy (a) (b) (c) (d) (e) (f) TEM images for GO-nanocomposites. (a) GO coated with Fe 3 O 4 nanoparticles. (b) GO-Co 3 (BTC) 2 magnetic nanocompsite. (c) GO- Cu 3 (BTC) 2 magnetic nanocomposite. (d) GO-Ni 3 (BTC) 2 magnetic nanocomposite. (e)go-zn 3 (BTC) 2 magnetic nanocomposite. (f) GO- UiO-66 magnetic nanocomposite. 16
17 Transmission Electron Microscope (a) (b) (c) (d) (e) (f) TEM images for BNNs nanocomposites. (a)bnns coated with Fe 3 O 4 nanoparticles. (b)bn-co 3 (BTC) 2 magnetic nanocomposite. (c)bn-cu 3 (BTC) 2 magnetic nanocomposite. (d) BN-Ni 3 (BTC) 2 magnetic nancomposite. (e) BN-Zn 3 (BTC) 2 magnetic nanocomposite. (f) BN-UiO-66 magnetic nanocomposite. 17
18 Scanning Electron Microscope (a) (b) Figure 15. SEM of nanocomposites. (a)go-co 3 (BTC) 2 magnetic nanocomposites. (b) BN-Co 3 (BTC) 2 magnetic nanocomposite. 18
19 Methylene Blue (MB) One of the most common dying materials for textile, MB, has severe health issues such as: Neurotoxicity Dizziness Mental confusion Abdominal pain Anemia Bladder irritation Precordial pain Chemical structure of MB 19
20 UV-vis 20
21 21
22 UV-vis Salt Amount mg/l NaHCO CaCl 2 2 H 2 O 147 MgSO 4 7 H 2 O 124 Na 2 SiO 3 9 H 2 O 95 NaNO 3 12 NaF 2.2 NaH 2 PO 4 H2O 0.18 Sample Qe (mg/g) 25 ppm 50 ppm 100 ppm Fe3O Fe-APTES GO BNNs GO-Fe BN-Fe Cu(BTC) Ni(BTC) Co(BTC) Zn(BTC) UiO GO-Cu GO-Ni GO-Zn GO-Co GO-Zr BN-Cu BN-Ni BN-Zn BN-Co BN-Zr
23 Type I Type II 23
24 Zeolitic Imidazolate Frameworks Composite ZIF-67 2mL TEA ZIF-67 3mL TEA ZIF-67 2mL TEA/GO 12.5 ppm MB Avg. Qe. 25 ppm MB Avg. Qe. 50 ppm MB Avg. Qe. 100 ppm MB Avg. Qe ZIF-67 3mL TEA/GO
25 Brackish Water Before Water Treatment After Water Treatment
26 Brackish Water Treatment 26 Reagan Turley, Jose Hernandez Viezcas (Gardea-Torresdey)
27 Target Contaminants Sample GO-BTC (Cu,Ni,Co,Zn) GO-BDC (Zr) GO-ZIF (Co, Zn) BNNS-BTC (Cu, Ni, Co,Zn) BNNS-ZIF (Co, Zn) AC-BTC (Cu, Ni, Co, Zn) AC-BDC (Zr) AC-ZIF (CO, Zn) Methylene Blue As (II),(V) Pb (II) Selenium Naphthenic Acids No removal Efficient removal Possible removal
28 Acknowledgements UTEP Karen Ventura Mariana Marcos Prof. Gardea-Torresdey Undergraduate students Roy Arrieta Jonathan Gracida Jerrin Philips Yale Prof. Elimelech Dr. Tong Prof. Zimmerman Dr. Amanda Lounsbury RICE Prof. Wong Camilah Powell CHE RICE Prof. Westerhoff Dr. Ariel Atkinson NMSU Dr. Wang 28
29 4A Water Treatment I 10:30 AM Multifunctional magnetic nanocomposites (Overview talk) Dino Villagran 11:00 AM Arsenic Removal by Graphene Oxide-Nanoscale Zero-valent Iron Hybrid Tonoy K. Das 11:20 AM Development of multifunctional nanocomposite coating for indirect potable reuse water treatment Pasan Chinthana Bandara 11:40 AM Producing Clean Water and Salinity Gradient Energy by Using a Graphene Oxide Laminate Xin Tong 12:00 PM Iron Nanoparticle Impregnated 1-D and 2-D Carbon Nanohybrids Prepared with Ultrasonic Spray Pyrolysis for Cr (VI) Removal 12:20 PM Investigating the effect of graphene oxide on scaling in thin-film composite polyamide reverse osmosis membranes 12:40 PM Lunch Nirupam Aich Ali Ansari 4B Water Treatment II 2:00 PM Preferential interaction between functionalized multiwalled carbon nanotubes and bacteriophage MS2 in water 2:30 PM Integration of graphene oxide in mixed-matrix membranes: balancing membrane performance with fouling resistance 2:50 PM Application of External Voltage for the Release of Deposited Organic Foulants from PPy- Graphene Oxide and PPy- Molybdenum Disulfide Surfaces by NaCl Electrolysis Navid B. Saleh Francois Perreault Iftaykhairul Alam 3:10 PM Water Clusters with Superatom Electronic States Juan C. Noveron 3:40 PM Break 4:00 PM Role of Particle Chemistry on Filtration Mechanisms of Water Treatment- Food Grade and Industrial Grade TiO2 4:20 PM Antimicrobial Property of MoS2 Nanosheets and Potential Application in Controlling Membrane Biofouling Chen Chen Yingcan Zhao 4:40 PM Characterizing Wastewater Behavior of Titanium Dioxide Nanoparticles Travis Waller 5:10 PM Facile Modification of Bi2WO6 with Base for Improved Photocatalytic Activity under Visible Light Bangxing Ren 5:30 PM Quantitative Understanding of Nanoparticle Flocculation in Water Treatment Sungmin Youn
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