X703 A 1006 1878 2015 06 0593 06 1. Shaanxi Key Laboratory of Comprehensive Utilization of Tailings Resources Shangluo University Shangluo Shaanxi 726000 China 2. College of Civil Engineering Fuzhou University Fuzhou Fujian 350108 China 3. School of Chemistry and Chemical Engineering Tianjin University of Technology Tianjin 300384 China Abstract: The types of nano iron oxides and their adsorption activities for heavy metal are summarized. The common methods for preparation and modification of nano iron oxides are introduced and the key factors affecting the adsorption process of heavy metals are discussed. The research directions of nano iron oxides in water environment protection are prospected such as developing green and efficient process for nano iron oxides preparation investigating the effects of structure control and surface functionalization on adsorption activities of nano iron oxides and so on. Key words: nano iron oxide heavy metals wastewater adsorption 2015 06 07 2015 09 18 1969 0591 22865361 aicuiling@163.com 2014SKY WK008 2014SKY-WK005 21202019
1 O O O Wang. g Fe SO ml h Cr. mg/g Mou. mmol/l SnCl H O. ml Fe CO ml h Fe O γ As. mg/g 1 ph / min / mg g 1 Cr 2 10 40 3 Cr 7 120 36.95 4 Cd 5 120 54 5 Cu 5 120 40 γ Fe 2 O 3 Cr 3.5 180 44.56 6 As V 2.2 15 47.64 7 Pb 5.5~7.0 100 75.75 8 Fe 3 O 4 SiO 2 Hg 7 5 21.05 9 Fe 3 O 4 Cu 5 30 12.43 10 Pb 8 20 40 11 2 Fe O n Fe + n Fe + = ph ~ Fe + + Fe + + OH Fe O + H O. ~. μm Cui FeSO H O MnSO H O MnFe O Mn/Fe O Mn
. D Monte Fe SO H O γ Fe O Fe + Fe + O OH Pascal ~ nm Kumar 3 Hao Fe O MNP NH Cu + MNP NH Cu + NH MNP NH Cu + mg/g MNP NH +Cu + MNP NH Cu + Ugelstad. ~. mm Warner minmnso min KMnO hmn Mn Tang FeCl MgCl ml ml NaOH h hmg α Fe O As As mg/g. mg/g Yang FeSO Mg CH COO γ FeOOHγ Fe O γ Fe O Al NO H O Fe O AlO OH Pb Cr As... mg/g 4
ph ph ph ph ph ph ph Cr Cr ph ph ph HCrO ph ph Cr ~ Pb ~ min min Cr Cr mg/lph min Cr. min.~. mm. ~. mm Pb Pb 5
. 1 Afkhami A Saber-Tehrani M Bagheri H. Modified Maghemite Nanoparticles as an Efficient Adsorbent for Removing some Cationic Dyes from Aqueous Solution J. Desalination 2010 263 1 240 248. 2 Dias A M G C Hussain A Marcos A S et al. A Biotechnological Perspective on the Application of Iron Oxide Magnetic Colloids Modified with Polysaccharides J. Biotechnol Adv 2011 29 1 142 155. 3. Cr J. 2012 6 1 157 162. 4 Hou Xiangyu Feng Jing Liu Xiaohan et al. Synthesis of 3D Porous Ferromagnetic NiFe 2 O 4 and Using as Novel Adsorbent to Treat Wastewater J. J Colloid Interface Sci 2011 362 2 477 485. 5 Xuan Shouhu Zeng Suyuan Fan Meiqiang et al. One-Step Method of Fabricating Fe 3 O 4 /Montmorillonite Magnetic Nanocomposites J. Rare Metal Mater Eeng 2010 39 8 165 168. 6. γ-fe 2 O 3 Cr J. 2014 34 1 15 21. 7 Xie Kun Wang Xiangxue Liu Zhengjie et al. Synthesis of Flower-Like α-fe 2 O 3 and its Application in Wastewater Treatment J. Appl Phys Eng 2014 15 8 671 680. 8. Pb J. 2014 35 10 3782 3788. 9 Wang Chan Tao Shengyang Wei Wei et al. Multifunctional Mesoporous Material for Detection Adsorption and Removal of Hg 2+ in Aqueous Solution J. J Mater Chem 2010 20 22 4635 4641. 10 Huang Shih Hung Chen Dong Hwang. Rapid Removal of Heavy Metal Cations and Anions from Aqueous Solutions by an Amino-Functionalized Magnetic Nano- Adsorbent J. J Hazard Mater 2009 163 1 174 179. 11 Mahdavian A R Mirrahimi M A S. Efficient Separation of Heavy Metal Cations by Anchoring Polyacrylic Acid on Superparamagnetic Magnetite Nanoparticles Through Surface Modification J. Chem Eng J 2010 159 1 264 271. 12 Wang Yong Ma Ji Chen Kezheng. Adsorptive Removal of Cr from Wastewater by Alpha-FeOOH Hierarchical Structure Kinetics Equilibrium and Thermodynamics J. Phys Chem Chem Phys 2013 15 44 19415 21. 13 Mou Fangzhi Guan Jianguo Xiao Zhidong et al. Solvent-Mediated Synthesis of Magnetic Fe 2 O 3 Chestnut-Like Amorphous-Core/γ-Phase-Shell Hierarchical Nanostructures with Strong As V Removal Capability J. J Mater Chem 2011 21 14 5414 5421. 14. J. 2014 20 1 73 75. 15 Cui Haojie Shi Jianwen Yuan Baoling et al. Synthesis of Porous Magnetic Ferrite Nanowires Containing Mn and Their Application in Water Treatment J. J Mater Chem A 2013 19 1 5902 5907. 16 Del Monte F Morales M P Levy D et al. Formation of γ-fe 2 O 3 Isolated Nanoparticles in a Silica Matrix J. Langmuir 1997 13 14 3627 3634. 17 Pascal C Pascal J L Favier F et al. Electrochemical Synthesis for the Control of γ-fe 2 O 3 Nanoparticle Size Morphology Microstructure and Magnetic Behavior J. Chem Mater 1999 11 1 141 147. 18 Kumar R V Diamant Y Gedanken A. Sonochemical Synthesis and Characterization of Nanometer-Size Transition Metal Oxides from Metal Acetates J. Chem Mater 2000 12 8 2301 2305. 19 Hao Yongmei Chen Man Hu Zhongbo. Effective Removal of Cu Ions from Aqueous Solution by Amino-Functionalized Magnetic Nanoparticles J. J Hazard Mater 2010 184 1 392 399. 20 Ugelstad J Stenstad P Kilaas L et al. Monodisperse Magnetic Polymer Particles New Biochemical and Biomedical Applications J. Blood Purif 1993
11 6 349 369. 21 Warner C L Chouyyok W Mackie K E et al. Manganese Doping of Magnetic Iron Oxide Nanoparticles Tailoring Surface Reactivity for a Regenerable Heavy Metal Sorbent J. Langmuir 2012 28 8 3931 3937. 22 Tang Wenshu Su Yu Li Qi et al. Mg-Doping A Facile Approach to Impart Enhanced Arsenic Adsorption Performance and Easy Magnetic Separation Capability to α-fe 2 O 3 Nanoadsorbents J. J Mater Chem A 2013 1 3 830 836. 23 Yang Xiulin Wang Xueyun Feng Yongqiang et al. Removal of Multifold Heavy Metal Contaminations in Drinking Water by Porous Magnetic Fe 2 O 3 @AlO OH Superstructure J. J Mater Chem A 2013 1 3 473 477. 24. C //2013. 2013 5187 5191. 25. - Pb 2+ J. 2012 32 7 1274 1279. CN /X ISSN /.. e mail http://www.hjjkyyj.com hjjkyyj@.com..