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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：

Zhao, Mengjie;Salih, Khalid A. M.;Wei, Yuezhou;Guibal, Eric;Ning, Shunyan;...

通讯作者：

Hamza, MF;Guibal, E

作者机构：

[Ning, Shunyan; Wei, Yuezhou; Hamza, Mohammed F.; Hamza, MF; Zhao, Mengjie] Univ South China, Sch Nucl Sci & Technol, Heng Yang 421001, Peoples R China.

[Salih, Khalid A. M.] Cent South Univ, Sch Met & Environm, Changsha 410083, Peoples R China.

[Wei, Yuezhou] Shanghai Jiao Tong Univ, Sch Nucl Sci & Engn, Shanghai, Peoples R China.

[Guibal, Eric; Guibal, E] Polymers Compos & Hybrids PCH, IMT Mines Ales, Ales, France.

[Goda, Adel E. -S.] Tanta Higher Inst Engn & Technol, Tanta 31739, Egypt.

通讯机构：

[Hamza, MF ] U

[Guibal, E ] P

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

Polymers Compos & Hybrids PCH, IMT Mines Ales, Ales, France.

Nucl Mat Author, POB 530, Cairo, Egypt.

语种：

英文

关键词：

Silver sorption promoted by the high content of;N-and S-ligands (in functionalized;mesoporous silica beads) at near neutral pH;Sorption isotherms described by the Temkin;equation and uptake kinetics by the pseudo-first order equation;Endothermic and spontaneous silver sorption;enhanced by ultrasonic treatment;Readily desorption of silver using nitric acid;solution and remarkable sorption properties at;reuse;Outstanding preference for silver from;multicomponent synthetic solutions and;leachates of X-ray films

期刊：

Chemical Engineering Journal

ISSN：

1385-8947

年：

2023

卷：

477

页码：

147010

DOI：

10.1016/j.cej.2023.147010

基金类别：

National Natural Science Foundation of China [U1967218, 11975082]; National Key R & D Program of China [2022YFB3506100]

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：

The reaction of thiocarbazide with pentaerythritol tetrakis(3-mercaptopropionate) in the presence of mesoporous silica beads allows producing a composite sorbent (PTMF-SiO2) with high affinity for silver. The high density of both N- and S-based reactive groups (about 5 mmol g(-1)) explains sorption capacities as high as 3 mmol Ag g(-1) at pH 6. The sorption mechanisms are correlated to the pH effect, and to FTIR and XPS spectroscopic analyses. The sorption is endothermic and spontaneous, and the sorption isotherms are successfully modeled using the Temkin equation. Uptake kinetics are fitted b...

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