Unlocking the application potential of superabsorbent polymers in landfill leachate treatment

IF 5 2区材料科学 Q1 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Polymer Testing Pub Date : 2024-08-05 DOI:10.1016/j.polymertesting.2024.108537

Wuxiang Feng , Katherine Zhang , Mohammad Jalal Zohuriaan-Mehr , Kourosh Kabiri , Congrui Jin

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Abstract

The leachate generation is an inevitable consequence of landfill disposal, and thus it is critically important to acquire effective approach to preventing contamination of the underlying soils and groundwater aquifers. Currently, there is no consensus on the best approach; the biological treatment and the membrane technology are widely tested but each has its own drawbacks. On the other hand, superabsorbent polymers are nowadays widely used in many liquid-absorbing applications but have rarely been assessed for the application of landfill leachate treatment. In this study, a comprehensive analysis of the physicochemical parameters, ionic parameters, and trace elements of the collected leachate was carried out, and four commercially available superabsorbent polymers with different chemical compositions were tested in respect of their kinetics of adsorption and desorption, both load-free and under-load, in deionized water, tap water, and leachate, respectively. The results are of significant importance in elucidating the application potential of commercially available superabsorbent polymers in landfill leachate treatment.

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挖掘超吸收聚合物在垃圾填埋场渗滤液处理中的应用潜力

沥滤液的产生是垃圾填埋处理不可避免的后果，因此获得有效的方法来防止底层土壤和地下水含水层受到污染至关重要。目前，对于最佳方法还没有达成共识；生物处理和膜技术已被广泛应用，但各有缺点。另一方面，超吸收聚合物如今已广泛应用于许多液体吸收领域，但在垃圾填埋场沥滤液处理方面却很少进行评估。本研究对收集到的渗滤液的理化参数、离子参数和微量元素进行了综合分析，并测试了四种不同化学成分的市售超吸附聚合物在去离子水、自来水和渗滤液中分别进行无负荷和欠负荷吸附和解吸的动力学特性。这些结果对于阐明市售超吸附聚合物在垃圾填埋场沥滤液处理中的应用潜力具有重要意义。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Polymer Testing 工程技术-材料科学：表征与测试

CiteScore

10.70

自引率

5.90%

发文量

328

审稿时长

44 days

期刊介绍： Polymer Testing focuses on the testing, analysis and characterization of polymer materials, including both synthetic and natural or biobased polymers. Novel testing methods and the testing of novel polymeric materials in bulk, solution and dispersion is covered. In addition, we welcome the submission of the testing of polymeric materials for a wide range of applications and industrial products as well as nanoscale characterization. The scope includes but is not limited to the following main topics: Novel testing methods and Chemical analysis • mechanical, thermal, electrical, chemical, imaging, spectroscopy, scattering and rheology Physical properties and behaviour of novel polymer systems • nanoscale properties, morphology, transport properties Degradation and recycling of polymeric materials when combined with novel testing or characterization methods • degradation, biodegradation, ageing and fire retardancy Modelling and Simulation work will be only considered when it is linked to new or previously published experimental results.