Treatment for Landfill Leachate via Physicochemical Approaches

IF 1.6 4区生物学 Q4 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Chemical and Biochemical Engineering Quarterly Pub Date : 2020-01-01 DOI:10.15255/cabeq.2019.1703

K. Khoo, Xuefei Tan, T. Nguyen, Shih‐Hsin Ho, T. Ling, J. Juan, Preeti Pal, P. Show

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引用次数: 6

Abstract

Leachate waste consists of various mixtures of organic, inorganic, and heavy metal contaminants, which are responsible for groundwater and surface water contamination. Landfills apply physical, chemical, and biological processes for the treatment of leachate. Most studies on leachate treatment by coagulation and flocculation are based on the selection and performance of natural based biopolymers in comparison with various inorganic metal salts and grafted polymers used for the removal of contaminants. In addition, adsorption processes utilizing non-conventional activated carbons as absorbents are the current emerging focus of the researchers in leachate treatment. These adsorbents are low-in-cost, efficient, and renewable compared to conventional adsorbents. The present paper aimed to evaluate and review the technology utilising various greener approaches in coagulation, flocculation, and adsorption as the physicochemical approaches to leachate treatment. The challenges and future work regarding the development of these green products in the commercial markets were comprehensively evaluated.

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垃圾渗滤液的理化处理

渗滤液废物由有机、无机和重金属污染物的各种混合物组成，这些污染物是地下水和地表水污染的原因。垃圾填埋场采用物理、化学和生物方法处理渗滤液。大多数关于混凝和絮凝处理渗滤液的研究都是基于天然基生物聚合物的选择和性能，并与用于去除污染物的各种无机金属盐和接枝聚合物进行比较。此外，利用非常规活性炭作为吸附剂的吸附工艺是目前渗滤液处理研究的热点。与传统吸附剂相比，这些吸附剂成本低、效率高、可再生。本文旨在评价和回顾利用混凝、絮凝和吸附等各种绿色方法作为物理化学方法处理渗滤液的技术。全面评估了这些绿色产品在商业市场上的发展所面临的挑战和未来的工作。

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来源期刊

Chemical and Biochemical Engineering Quarterly 工程技术-工程：化工

CiteScore

2.70

自引率

6.70%

发文量

审稿时长

>12 weeks

期刊介绍： The journal provides an international forum for presentation of original papers, reviews and discussions on the latest developments in chemical and biochemical engineering. The scope of the journal is wide and no limitation except relevance to chemical and biochemical engineering is required. The criteria for the acceptance of papers are originality, quality of work and clarity of style. All papers are subject to reviewing by at least two international experts (blind peer review). The language of the journal is English. Final versions of the manuscripts are subject to metric (SI units and IUPAC recommendations) and English language reviewing. Editor and Editorial board make the final decision about acceptance of a manuscript. Page charges are excluded.