Environmentally friendly radiation EDTA modified hydrogel based on gelatin for adsorptive removal of cationic and anionic dye from synthetic wastewater

Q1 Earth and Planetary Sciences

Egyptian Journal of Petroleum Pub Date : 2023-11-21 DOI:10.1016/j.ejpe.2023.10.002

Asmaa E. Elsayed , Sayed K. Attia , Ghada A. Mahmoud , Yasser M. Mostafa , Afaf R.Taman , Doaa I. Osman

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Abstract

Colored wastewater discharge from several industries, including paper, cosmetics, leather, dying, and textile industries, is a significant environmental management issue, especially in developing countries. Copolymerization of acrylic acid (AAc) as well as gelatin (Gltn) was performed in different compositions and crosslinked utilizing gamma irradiation to form Gltn/AAc hydrogel. EDTA has modified the hydrogel to improve adsorption properties. The effect of irradiation dose, the composition of Gltn-AAc, EDTA content, and AAc content on gel percentage was studied. The swelling behavior were studied as a time function. The prepared hydrogels’ surface morphologies and structure were confirmed with FTIR, SEM, as well as XRD. Modified hydrogel used in batch adsorption was studied to remove anionic and cationic dyes, namely methyl orange (MO) and methylene blue (MB), from simulated wastewater. The parameters of adsorption, like pH, time, and initial metals concentration, were studied. The removal of MB dye by modified Gltn/AAc/EDTA hydrogel was found to be greater than that of MO dye.

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基于明胶的环境友好型辐射EDTA改性水凝胶吸附去除合成废水中的阳离子和阴离子染料

造纸、化妆品、皮革、染色和纺织等行业的有色废水排放是一个重要的环境管理问题，特别是在发展中国家。将丙烯酸(AAc)和明胶(Gltn)以不同的组分进行共聚，并利用伽马辐射交联形成Gltn/AAc水凝胶。EDTA对水凝胶进行了改性，提高了其吸附性能。研究了辐照剂量、gln -AAc组成、EDTA含量和AAc含量对凝胶率的影响。研究了膨胀行为随时间的变化规律。用红外光谱(FTIR)、扫描电镜(SEM)和x射线衍射(XRD)对制备的水凝胶的表面形貌和结构进行了表征。研究了用改性水凝胶间歇吸附法去除模拟废水中的阴离子和阳离子染料甲基橙(MO)和亚甲基蓝(MB)。研究了pH、时间、初始金属浓度等吸附参数。改性Gltn/AAc/EDTA水凝胶对MB染料的去除率大于对MO染料的去除率。

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来源期刊

Egyptian Journal of Petroleum Earth and Planetary Sciences-Geochemistry and Petrology

CiteScore

7.70

自引率

0.00%

发文量

审稿时长

84 days

期刊介绍： Egyptian Journal of Petroleum is addressed to the fields of crude oil, natural gas, energy and related subjects. Its objective is to serve as a forum for research and development covering the following areas: • Sedimentation and petroleum exploration. • Production. • Analysis and testing. • Chemistry and technology of petroleum and natural gas. • Refining and processing. • Catalysis. • Applications and petrochemicals. It also publishes original research papers and reviews in areas relating to synthetic fuels and lubricants - pollution - corrosion - alternate sources of energy - gasification, liquefaction and geology of coal - tar sands and oil shale - biomass as a source of renewable energy. To meet with these requirements the Egyptian Journal of Petroleum welcomes manuscripts and review papers reporting on the state-of-the-art in the aforementioned topics. The Egyptian Journal of Petroleum is also willing to publish the proceedings of petroleum and energy related conferences in a single volume form.