Recovery of silver (I) using a thiourea-modified chitosan resin

• Published in: Journal of hazardous materials Vol. 180; no. 1; pp. 577 - 582
• Main Authors: Wang, Lin, Xing, Ronge, Liu, Song, Yu, Huahua, Qin, Yukun, Li, Kecheng, Feng, Jinhua, Li, Rongfeng, Li, Pengcheng
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier B.V 15.08.2010; Elsevier
• Subjects: Adsorption; Applied sciences; Chemical engineering; Chitosan; Chitosan - chemistry; Crosslinking; Exact sciences and technology; Hazardous materials; Mathematical models; Pollution; Polymers; Recovery; Resin; Resins; Silver; Silver - isolation & purification; Spectroscopy, Fourier Transform Infrared; Thermodynamics; Thiourea; Thiourea - chemistry; Thioureas; Silver; Thiourea; Chitosan; Adsorption; Recovery; Resin; Second order; Adsorption capacity; Desorption; Thioureas; Modeling; Uptake; Hydrochloric acid; Kinetic model; Batchwise; Preparation; pH; Aqueous solution

This work describes the preparation of a chelating resin from chemically modified chitosan. The resin was synthesized by using O-carboxymethylated chitosan to cross-link a polymeric Schiff's base of thiourea/glutaraldehyde and characterized by IR. Batch method was applied for testing the resin&...