Dye removal from single and binary systems using gel-like bioadsorbent based on functional-modified cellulose
作者： Yuanfeng Pan , Xiang Shi , Pingxiong Cai , Tianxiang Guo , Zhangfa Tong
DOI: 10.1007/S10570-018-1711-9
关键词:
摘要: A novel type of gel-like bioadsorbent was prepared by crosslinking thiourea-modified sugarcane bagasse cellulose with carboxymethyl cellulose, and used for the removal methylene blue (MB) crystal violet (CV) in single binary systems. The resulting characterized FTIR, XRD, SEM thermogravimetric analysis. porous structure hydrogels significantly improved adsorption capacity towards dyes. effects pH, temperature, initial concentration dyes adsorbent dosage on behavior were systematically investigated. maximum MB CV reached as high 632.9 574.7 mg/g system; 555.6 427.4 mg/g system, respectively. kinetic data fitted well to pseudo-second-order model both systems; dye mainly governed intraparticle diffusion. Meanwhile, isotherm Langmuir models. Moreover, showed excellent recycling ability over desorption tests, thus leading a promising green-based
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