Synthesis of Sulfur-Grafted Chitosan Biopolymers and Improvement to Their Sorption of Silver Ions from Different Aqueous Solutions

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Hamza, Mohammed F.;El-Habibi, Gehan A.;Abdel-Rahman, Adel A. -H.;Khalafalla, Mahmoud S.;Amer, Hamada H.;...

通讯作者：

Hamza, MF;Abdel-Rahman, AAH;Salem, WM

作者机构：

[Hamza, Mohammed F.; Hamza, MF] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

[Khalafalla, Mahmoud S.; Hamza, Mohammed F.; Hamza, MF] Nucl Mat Author, POB 530, Cairo 4710030, Egypt.

[Swelim, Mahmoud A.; Abdel-Rahman, AAH; Abdel-Rahman, Adel A. -H.; El-Habibi, Gehan A.] Menoufia Univ, Fac Sci, Chem Dept, Shibin Al Kawm, Egypt.

[Amer, Hamada H.] Taif Univ, Turabah Univ Coll, Dept Chem, Taif 21944, Saudi Arabia.

[Fouda, Amr] Al Azhar Univ, Fac Sci, Bot & Microbiol Dept, Cairo 11884, Egypt.

通讯机构：

[Abdel-Rahman, AAH ; Salem, WM ] M

[Hamza, MF ] U

Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

Nucl Mat Author, POB 530, Cairo 4710030, Egypt.

Menoufia Univ, Fac Sci, Chem Dept, Shibin Al Kawm, Egypt.

语种：

英文

关键词：

sulfur-functionalized chitosan composite;silver sorption;enhancing selectivity;spent film

期刊：

Sustainability

ISSN：

2071-1050

年：

2024

卷：

期：

页码：

5280

DOI：

10.3390/su16135280

基金类别：

Deanship of Graduate Studies and Scientific Research, Taif University

机构署名：

本校为第一且通讯机构

院系归属：

核科学技术学院

摘要：

A functionalized chitosan thiourea composite (CH-TU) was successfully synthesized using formaldehyde as a crosslinking agent for enhancing silver recovery from different aqueous solutions. Comparison sorption studies with a non-functionalized composite (CH-F) as a reference material were conducted. Grafting led to an improvement in the sorption performances, i.e., 0.763 mmol Ag g−1 for CH-F vs. 2.125 mmol Ag g−1 for CH-TU. The pseudo-first-order rate equation (PFORE) was fitted to the sorption kinetics at saturation times of 40 and 30 min for...

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Synthesis of Sulfur-Grafted Chitosan Biopolymers and Improvement to Their Sorption of Silver Ions from Different Aqueous Solutions

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