Naghizadeh A. Comparison between activated carbon and multiwall carbon nanotubes in the removal of cadmium(II) and chromium(VI) from water solutions. J Water Supply Res T 2015; 64(1): 64-73.
Dan Y, Hasfalina CM, Maryam RZ, Luqman CA, Rashid M. 2nd international conference on chemistry and chemical process (ICCCP 2012) May 5-6, 2012adsorption of copper (II) from aqueous medium in fixed-bed column by kenaffibres. APCBEE Procedia 2012; 3: 255-63.
Institute of Standards & Industrial Research of Iran. Water features [Online]. [cited 2013]; Available from: URL:
http://khash.zaums.ac.ir/uploads/1053_27547.pdf
Tirtom VN, Dincer A, Becerik S, Aydemir T, Celik A. Comparative adsorption of Ni(II) and Cd(II) ions on epichlorohydrincrosslinked chitosan-clay composite beads in aqueous solution. Chemical Engineering Journal 2012; 197: 379-86.
Wan MW, Kan CC, Rogel BD, Dalida ML. Adsorption of copper (II) and lead (II) ions from aqueous solution on chitosan-coated sand. CarbohydrPolym 2010; 80(3): 891-9.
Ngah WSW, Fatinathan S. Adsorption of Cu(II) ions in aqueous solution using chitosan beads, chitosan-GLA beads and chitosan alginate beads. ChemEng J 2008; 143(1-3): 62-72.
Sun X, Peng B, Ji Y, Chen J, Li D. Chitosan(chitin)/cellulose composite biosorbents prepared using ionic liquid for heavy metal ions adsorption. AIChE Journal 2009; 55(8): 2062-9.
Dragan ES, Dinu MV, Timpu D. Preparation and characterization of novel composites based on chitosan and clinoptilolite with enhanced adsorption properties for Cu2+. BioresourTechnol 2010; 101(2): 812-7.
Dinu MV, Dragan ES. Evaluation of Cu2+, Co2+ and Ni2+ ions removal from aqueous solution using a novel chitosan/clinoptilolite composite: Kinetics and isotherms. ChemEng J 2010; 160(1): 157-63.
Huang G, Zhang H, Shi JX, Langrish TA. Adsorption of Chromium(VI) from Aqueous Solutions Using Cross-Linked Magnetic Chitosan Beads. IndEngChem Res 2009; 48(5): 2646-51.
Zhu HY, Fu YQ, Jiang R, Yao J, Xiao L, Zeng GM. Novel magnetic chitosan/poly(vinyl alcohol) hydrogel beads: Preparation, characterization and application for adsorption of dye from aqueous solution. BioresourTechnol 2012; 105: 24-30.
Fan L, Zhang Y, Li X, Luo C, Lu F, Qiu H. Removal of alizarin red from water environment using magnetic chitosan with Alizarin Red as imprinted molecules. Colloids Surf B Biointerfaces 2012; 91: 250-7.
Wang J, Xu W, Chen L, Huang X, Liu J. Preparation and evaluation of magnetic nanoparticles impregnated chitosan beads for arsenic removal from water. ChemEng J 2014; 251: 25-34.
Chen AH, Liu SC, Chen CY, Chen CY. Comparative adsorption of Cu(II), Zn(II), and Pb(II) ions in aqueous solution on the crosslinked chitosan with epichlorohydrin. J Hazard Mater 2008; 154(1-3): 184-91.
Ekhlasi L, Younesi H, Mehraban Z, Bahramifar N. Synthesis and application of chitosan nanoparticles for removal of lead ions from aqueous solutions. Water and Wastewater 2013; 24(1): 10-8.
Sreejalekshmi KG, Krishnan KA, Anirudhan TS. Adsorption of Pb(II) and Pb(II)-citric acid on sawdust activated carbon: Kinetic and equilibrium isotherm studies. J Hazard Mater 2009; 161(2-3): 1506-13.
Chu KH. Removal of copper from aqueous solution by chitosan in prawn shell: adsorption equilibrium and kinetics. J Hazard Mater 2002; 90(1): 77-95.
VasconcelosHelder L, Camargo TP, Gonsalves NS, Neves A, Laranjeira MCM, Favere VT. Chitosan crosslinked with a metal complexing agent: Synthesis, characterization and copper(II) ions adsorption. React FunctPolym 2008; 68(2): 572-9.
Naghizadeh A, Nabizadeh R. Removal of reactive blue 29 dye by adsorption on modified chitosan in the presence of hydrogen peroxide. ENVIRON PROT ENG 2106; 42 (1): 149-168.
Perez-Fonseca A, Gomez C, Davila H, Gonzalez-Nunez R. Chitosan Supported onto Agave Fiber-Postconsumer HDPE Composites for Cr(VI) Adsorption. IndEngChem Res 2012; 51(17): 5939-46.
Liu T, Yang X, Wang ZL, Yan X. Enhanced chitosan beads-supported Fe(0)-nanoparticles for removal of heavy metals from electroplating wastewater in permeable reactive barriers. Water Res 2013; 47(17): 6691-700.
Yu Z, Zhang X, Huang Y. Magnetic Chitosan-Iron(III) Hydrogel as a fast and reusable adsorbent for chromium(VI) removal. Ind Eng Chem Res 2013; 52(34): 11956-66.
Keng PS, Lee SL, Ha ST, Hung YT, Ong ST. Removal of hazardous heavy metals from aqueous environment by low-cost adsorption materials. Environ ChemLett 2014; 12(1): 15-25.
Swayampakula K, Boddu VM, Nadavala SK, Abburi K. Competitive adsorption of Cu (II), Co (II) and Ni (II) from their binary and tertiary aqueous solutions using chitosan-coated perlite beads as biosorbent. J Hazard Mater 2009; 170(2-3): 680-9.
Zareie C, Najafpour G, Sharifzadeh M. Preparation of Nanochitosan as an Effective Sorbent for the Removal of Copper Ions from Aqueous Solutions. Int J Eng 2013; 26(8): 829.