Statistical evaluation of different filter media and application of multiple criteria analysis to select the best media for pollutants removal in wastewater biofiltration: A review

IF 8.2 1区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Science of the Total Environment Pub Date : 2025-07-25 DOI:10.1016/j.scitotenv.2025.180104

Resty Nabaterega, Rebecca N. Vesuwe, Oliver T. Iorhemen

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Abstract

Biofiltration has undergone significant innovation in recent years, making it an essential and versatile technology for wastewater treatment worldwide. Wastewater biofiltration involves using microorganisms attached to the media to degrade and remove contaminants as the wastewater passes through the filter bed. Several filter media have been used in the biofiltration of wastewater under different experimental and pilot-scale conditions. To get a more thorough and generalizable understanding of the efficacy of biofilter media, this review statistically evaluated various wastewater biofilter media and applied multiple criteria analysis on a broad dataset to ascertain which biofilter media is the best for either organic matter (chemical oxygen demand (COD)) or nutrient removal from wastewater. The results indicated that converter slag/coal cinder and plant-based wastes were most suitable for nutrient removal, while synthetic-plastic and ceramic filter media were the most efficient for COD removal. The removal of emerging pollutants via biofiltration of wastewater, as well as other promising emerging wastewater biofilter media, including bioaugmented, biochar, barkcloth, and nanotechnology-assisted media were also reviewed. The results from the current study may serve as a guide for wastewater treatment plants aiming to embrace and optimize biofiltration for maximum organic matter and nutrient removal from wastewater.

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不同滤料的统计评价及应用多标准分析选择废水生物过滤中去除污染物的最佳滤料综述

生物过滤近年来经历了重大的创新，使其成为世界范围内污水处理的基本和通用技术。废水生物过滤是指在废水通过过滤床时，利用附着在介质上的微生物来降解和去除污染物。几种过滤介质在不同的实验和中试条件下用于废水的生物过滤。为了更全面和全面地了解生物过滤介质的功效，本文对各种废水生物过滤介质进行了统计评估，并对广泛的数据集进行了多标准分析，以确定哪种生物过滤介质最适合去除废水中的有机物（化学需氧量（COD））或营养物质。结果表明，转炉渣/煤渣和植物基废弃物最适合去除营养物，合成塑料和陶瓷滤料对COD的去除效果最好。通过废水生物过滤去除新出现的污染物，以及其他有前途的新兴废水生物过滤介质，包括生物增强、生物炭、树皮布和纳米技术辅助介质。本研究的结果可以为污水处理厂提供指导，旨在采用和优化生物过滤，以最大限度地去除废水中的有机物和营养物质。

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来源期刊

Science of the Total Environment 环境科学-环境科学

CiteScore

17.60

自引率

10.20%

发文量

8726

审稿时长

2.4 months

期刊介绍： The Science of the Total Environment is an international journal dedicated to scientific research on the environment and its interaction with humanity. It covers a wide range of disciplines and seeks to publish innovative, hypothesis-driven, and impactful research that explores the entire environment, including the atmosphere, lithosphere, hydrosphere, biosphere, and anthroposphere. The journal's updated Aims & Scope emphasizes the importance of interdisciplinary environmental research with broad impact. Priority is given to studies that advance fundamental understanding and explore the interconnectedness of multiple environmental spheres. Field studies are preferred, while laboratory experiments must demonstrate significant methodological advancements or mechanistic insights with direct relevance to the environment.