胺官能化聚甲基丙烯酸缩水甘油酯水凝胶吸附刚果红

IF 1 Q4 ENGINEERING, ENVIRONMENTAL

Journal of Environmental Engineering and Science Pub Date : 2023-06-30 DOI:10.1680/jenes.23.00025

Kutalmis Gokkus, S. B. Sengel, Y. Yıldırım, Soner Hasanbeyoglu, Vural Butun

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引用次数: 0

摘要

染料由于用途广泛，是废水中最常见的污染物之一。因此，为了保护水生生态系统，必须对染料进行原位和/或体内处理。在本研究中，我们合成了聚甲基丙烯酸缩水甘油酯（PGMA）凝胶，然后用含有不同数量和长度氨基的二亚乙基三胺（DETA）和四亚乙基五胺（TEPA）进行改性，得到PGMA-NH2水凝胶，并用于CR吸附。吸附研究采用间歇吸附法进行。研究结果表明，接触时间为40分钟，最高吸附容量为196和147 PGMA-DETA和PGMA-TEPA分别达到mg/g。等温和动力学实验表明，吸附符合Freundlich等温线和拟二阶方程。CR染料是一种阴离子指示剂染料。这些结果表明，PGMA-NH2水凝胶在有效吸附阴离子染料方面具有显著的潜力。

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Amine functionalized poly (glycidyl methacrylate) hydrogels for Congo red adsorption

Dyes are one of the most common pollutants in wastewater due to their widespread use. Therefore, in order to protect aquatic ecosystems, dyes must be treated in situ and/or in vivo. In this study, we synthesized poly (glycidyl methacrylate) (PGMA) gels and then modified with diethylenetriamine (DETA) and tetraethylenepentamine (TEPA) containing different numbers and lengths amino groups to obtain PGMA-NH2 hydrogels and used in CR adsorption. The adsorption studies were carried out according to batch adsorption procedure. As a result of the study, the contact time was found 40 minutes and the highest adsorption capacity of 196 and 147 mg/g for PGMA-DETA and PGMA-TEPA was reached, respectively. Isotherm and kinetic experiments showed that adsorption obeys the Freundlich isotherm and pseudo-second-order equation. CR dye is an anionic indicator dye. These results showed that PGMA-NH2 hydrogels have significant potential for efficient adsorption of anionic dyes.

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来源期刊

Journal of Environmental Engineering and Science 环境科学-工程：环境

CiteScore

1.60

自引率

0.00%

发文量

审稿时长

12 months

期刊介绍： Journal of Environmental Engineering and Science is an international, peer-reviewed publication providing a forum for the dissemination of environmental research, encouraging interdisciplinary research collaboration to address environmental problems. It addresses all aspects of environmental engineering and applied environmental science, with the exception of noise, radiation and light.