Citation:
XIE Zhan-Feng, CHANG Jian-Hua, YU Xiang-Yang, LI Bao-Ping, LI Jian-Jun. The Preparation and Property of Rice Husk Cellulose Strong Cation Exchanger[J]. Chinese Journal of Applied Chemistry,
;2003, 20(2): 167-170.
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A strong cation exchanger, cellulose sodium sulfate(CS) was prepared by reaction of crosslinked rice husk cellulose with H2SO4. Reacting epichlorohydrin crosslinked cellulose with isopentanol and sulfuric acid (in volume ratio 1:1) at 0℃ for 3 h, ion exchangers with exchange capacity of 2.8~3.2 mmol/g were obtained. The exchanger with exchange capacity of 3.0 mmol/g showed an absorptive capacity of 84 mg/g、180 mg/g and 394 mg/g for Cu2+、Ag+、Pb2+ respectively.
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