Trends in Adsorption Mechanisms of Fruit Peel Adsorbents to Remove Wastewater Pollutants (Cu (II), Cd (II) and Pb (II))

Q3 Environmental Science Journal of Water and Environment Technology Pub Date : 2020-01-01 DOI:10.2965/jwet.20-004

Norfahana Abd-Talib, Chuo Sing Chuong, S. Mohd-Setapar, U. A. Asli, Khairul Faizal Pa’ee, K. Y. T. Len

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引用次数: 14

Abstract

Currently, there is increasing interest on low cost and commercially available materials for the adsorption of heavy metals. The vital benefits of adsorption technologies are its potential in reducing the concentration of heavy metal ions using low-cost adsorbent materials. Fruit peel wastes (FPW) are readily available in abundance. Furthermore, it has a high potential as a sustainable adsorbent due to its large quantity of lignocellulosic materials. Realizing this potential, there are many studies on various fruit peels waste adsorbents used in the removal of Pb (II), Cu (II) and Cd (II) ions from wastewater. However, there is no comprehensive review of these adsorbents, especially on the factors that influenced the adsorption capacity. Hence, this review aims to study on the various fruit peels waste adsorbents and the factors by comparing the metal binding capacities, metal removal perfor-mances, sorbent dosage, optimum pH, temperature, initial concentration and contact time. Finally, the adsorption mechanisms were also discussed.

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果皮吸附剂对废水污染物(Cu (II)、Cd (II)、Pb (II))的吸附机理研究进展

目前，人们对低成本和商业上可用的吸附重金属的材料越来越感兴趣。吸附技术的重要好处是它在使用低成本吸附剂材料降低重金属离子浓度方面的潜力。果皮废料(FPW)很容易获得大量。此外，由于其大量的木质纤维素材料，它作为一种可持续吸附剂具有很高的潜力。意识到这一潜力，人们对各种果皮废物吸附剂用于去除废水中的Pb (II)、Cu (II)和Cd (II)离子进行了大量研究。然而，目前对这些吸附剂的研究还没有全面的综述，特别是对其吸附能力的影响因素的研究。因此，本文从金属结合力、金属脱除性能、吸附剂用量、最佳pH、温度、初始浓度和接触时间等方面对各种果皮废弃物吸附剂及其影响因素进行了比较研究。最后对吸附机理进行了讨论。

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

Journal of Water and Environment Technology Environmental Science-Water Science and Technology

CiteScore

1.80

自引率

0.00%

发文量

审稿时长

43 weeks

期刊介绍： The Journal of Water and Environment Technology is an Open Access, fully peer-reviewed international journal for all aspects of the science, technology and management of water and the environment. The journal’s articles are clearly placed in a broader context to be relevant and interesting to our global audience of researchers, engineers, water technologists, and policy makers. JWET is the official journal of the Japan Society on Water Environment (JSWE) published in English, and welcomes submissions that take basic, applied or modeling approaches to the interesting issues facing the field. Topics can include, but are not limited to: water environment, soil and groundwater, drinking water, biological treatment, physicochemical treatment, sludge and solid waste, toxicity, public health and risk assessment, test and analytical methods, environmental education and other issues. JWET also welcomes seminal studies that help lay the foundations for future research in the field. JWET is committed to an ethical, fair and rapid peer-review process. It is published six times per year. It has two article types: Original Articles and Review Articles.