Thio-Aminopropyltriethoxysilane-Modified Porous Glass-Ceramics as New Sorbents for Palladium (II) Separation from Wastewater

doi:10.13209/j.0479-8023.2018.100

Acta Scientiarum Naturalium Universitatis Pekinensis ›› 2019, Vol. 55 ›› Issue (2): 360-366.DOI: 10.13209/j.0479-8023.2018.100

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Thio-Aminopropyltriethoxysilane-Modified Porous Glass-Ceramics as New Sorbents for Palladium (II) Separation from Wastewater

TAO Huchun^†, HUANG Shuaibin, GU Yihan, ZHANG Lijuan, ZHU Lili^†

Shenzhen Key Laboratory for Heavy Metal Pollution Control and Reutilization, School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen 518055

Received:2018-04-11 Revised:2018-05-04 Online:2019-03-20 Published:2019-03-20
Contact: TAO Huchun, E-mail: taohc(at)pkusz.edu.cn; ZHU Lili, E-mail: zhull(at)pkusz.edu.cn

表面修饰多孔微晶玻璃的制备及其对废水中钯(II)的吸附分离

陶虎春^†, 黄帅斌, 谷翼涵, 张丽娟, 朱丽丽^†

深圳市重金属污染控制与资源化重点实验室, 北京大学深圳研究生院环境与能源学院, 深圳 518055

通讯作者: 陶虎春, E-mail: taohc(at)pkusz.edu.cn; 朱丽丽, E-mail: zhull(at)pkusz.edu.cn
基金资助:
深圳市基础研究(JCYJ20150731091351923, JCYJ20170818091708114)和流域生态工程学学科建设资金(深发改[2017]542 号)资助

Abstract

Abstract:

Thio-aminopropyltriethoxysilane-modified porous glass-ceramics (TAMPG) were prepared through reuse of waste glass for efficient palladium (II) separation from wastewater. Novel TAMPG-1, TAMPG-2, TAMPG-3 were obtained by immobilizing organic ligands 2-thiophene formaldehyde, 2-mercaptobenzimidazoles and 2-mercaptobenzothiazole onto the surface of porous glass-ceramics made from waste glass. Optimal conditions for effective palladium (II) adsorption were investigated with respect to pH, temperature, initial concentration and contact time. Owing to cheap raw materials, good adsorption properties, great recycling potential, excellent selectivity and stability, an economically viable method was proposed for efficient palladium (II) separation from wastewater.

Key words: palladium (II), porous glass-ceramics, waste glass, surface modification, wastewater

摘要：

以废玻璃为原材料, 制备表面修饰多孔微晶玻璃(Thio-aminopropyltriethoxysilane-modified porous glassceramics, TAMPG), 实现对水溶液中钯(II)的高效吸附分离。通过在废玻璃制成的多孔微晶玻璃上负载有机配体2-噻吩甲醛、2-巯基苯并咪唑和2-巯基苯并噻唑, 得到新型吸附剂TAMPG-1, TAMPG-2和TAMPG-3, 同时对钯(II)吸附过程的pH 值、温度、初始浓度和吸附时间等条件进行优化。由于原材料廉价易得, 吸附性能良好, 可循环使用, 同时具备优良的选择性和稳定性, 所以表面修饰多孔微晶玻璃既可以高效地分离钯(II), 也能产生良好的经济效益。

关键词: 钯(Ⅱ), 多孔微晶玻璃, 废玻璃, 表面修饰, 废水

TAO Huchun, HUANG Shuaibin, GU Yihan, ZHANG Lijuan, ZHU Lili. Thio-Aminopropyltriethoxysilane-Modified Porous Glass-Ceramics as New Sorbents for Palladium (II) Separation from Wastewater[J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2019, 55(2): 360-366.

陶虎春, 黄帅斌, 谷翼涵, 张丽娟, 朱丽丽. 表面修饰多孔微晶玻璃的制备及其对废水中钯(II)的吸附分离[J]. 北京大学学报自然科学版, 2019, 55(2): 360-366.

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Thio-Aminopropyltriethoxysilane-Modified Porous Glass-Ceramics as New Sorbents for Palladium (II) Separation from Wastewater

表面修饰多孔微晶玻璃的制备及其对废水中钯(II)的吸附分离

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