3Chen Shiyan, Shen Wen, Yu Feng, et al. Preparation of amidoximated bacterial celhlofle and its adsorption mechanism for Cu2+ and Pb2+[J]. Journal of Applied Polymer Science, 2010, 117(1):8-15.
4Wu Yun, Zhang Shuzhen, Guo Xueyan. Adsorption of chromium (Ⅲ) on lignin[J]. Bioresource Technology, 2008, 99:7709-7715.
5Mohan D, Pittman C U, Steele P H. Single, binary and multi-com- ponent adsorption of copper and cadmium from aqueous solutions on kraft lignin:A biosorbent[J]. Journal of Colloid and Interface Science, 2006, 297(2):489-504.
6Li X F, Luo X G. Adsorption of Cd(Ⅱ) and Pb(Ⅱ) from wastewa- ter onto porous lignin beads[J]. Advanced Materials Research, 2012, 549:423-427.
7Zhou L, Wang Y, Liu Z, et al. Characteristics of equilibrium, kine- tics studies for adsorption of Hg(Ⅱ), Cu(Ⅱ), and Ni(Ⅱ) ions by thiourea-modified magnetic chitosan microspheres[J]. Journal of Hazardous Materials, 2009, 161(2/3):995-1002.
8Hu Xinjian, Wang Jingsong, Liu Yunguo, et al. Adsorption of chro- mium(Ⅵ) by ethylenediamine-modified cross-inked magnetic chitosan resin:Isotherms kinetics and thermodynamics[J]. Journal of Hazardous Materials, 2011, 185(1):306-314.
9Humelnicu D, Dinu M V, Dragan E S. Adsorption characteristics of UO22+ and Th4+ ions from simulated radioactive solutions onto chito- san/clinoptilolite sorbents[J]. Journal of Hazardous Materials, 2011, 185(1):447-455.
10Ren Yong, Abbood H A, He F B. Magnetic EDTA-modified chi- tosan/SiO2/Fe3O4 adsorbent:Preparation, characterization, and app- lication in heavy metal adsorption[J]. Chemical Engineering Jour- nal, 2013, 226:300-311.