Biowastes and derived green sorbents for water decontamination: Insights on thermochemical conversion strategies

IF 9.3 2区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Current Opinion in Green and Sustainable Chemistry Pub Date : 2024-01-05 DOI:10.1016/j.cogsc.2024.100880

Joshua O. Ighalo

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Abstract

Biowastes are waste materials of organic/biological origin. The aim of this paper was to discuss the recent breakthroughs in the thermochemical conversion of biowastes to green adsorbents for pollutant uptake. The review also discussed how thermochemical conversion impacts adsorbent cost considerations after their use in water decontamination. The nature of the biowaste feedstock and process temperature are important in controlling the biochar properties, especially those relevant to pollutant removal. Considering that biowaste tends to have wide compositional variations with each batch (especially from home and municipal waste), it would be difficult to fully tune properties based on composition. Biochar can have good cost performance when applied for pollutant removal since its adsorptive capacity tends to be high for a wide range of pollutants. The simplicity and efficiency of thermochemical processes ensure they will continue to be a reliable choice for researchers in adsorbent synthesis.

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用于水净化的生物废料和衍生绿色吸附剂：热化学转化战略的启示

生物废料是源于有机/生物的废料。本文旨在讨论生物废料热化学转化为绿色吸附剂以吸附污染物方面的最新突破。综述还讨论了热化学转化如何影响吸附剂用于水净化后的成本考量。生物废料原料的性质和加工温度对于控制生物炭的特性，特别是与去除污染物相关的特性非常重要。考虑到每批生物废料（尤其是来自家庭和城市垃圾的生物废料）的成分变化往往很大，因此很难完全根据成分来调整特性。由于生物炭对多种污染物的吸附能力较强，因此在用于去除污染物时具有良好的性价比。热化学工艺的简单性和高效性确保其将继续成为吸附剂合成研究人员的可靠选择。

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来源期刊

Current Opinion in Green and Sustainable Chemistry Chemical Engineering-Catalysis

CiteScore

16.00

自引率

2.20%

发文量

140

审稿时长

103 days

期刊介绍： The Current Opinion journals address the challenge specialists face in keeping up with the expanding information in their fields. In Current Opinion in Green and Sustainable Chemistry, experts present views on recent advances in a clear and readable form. The journal also provides evaluations of the most noteworthy papers, annotated by experts, from the extensive pool of original publications in Green and Sustainable Chemistry.