期刊
BIORESOURCE TECHNOLOGY
卷 385, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2023.129419
关键词
Adsorbent; Adsorption; Organic waste; Pyrolysis; Wastewater treatment
Wastewater contains odor-causing chemical compounds, and biochar has been proposed as an effective approach for their removal while maintaining environmental neutrality. The removal performance of biochar is influenced by its raw material, modification method, and the type of odorants. Further research is needed for practical application of biochar in reducing odorants in wastewater.
Wastewater contains chemical compounds that cause malodors, such as ammonium cation, dimethyl sulfide, and volatile organic compounds. Biochar-based reduction in the odorants has been proposed as an effective approach along with maintaining environmental neutrality as biochar is a sustainable material made from biomass and biowaste. Biochar can have high specific surface area and microporous structure with proper activation, appropriate for sorption purposes. Recently, various research directions have been proposed to determine the removal efficiency of biochar for different odorants contained in wastewater. This article is aimed at providing the most updated review of biochar-based removal of odor-causing compounds in wastewater while highlighting the current advances. It was distinguished that the odorant removal performance of biochar is highly associated with the raw material and modification method of biochar, and the kind of odorants. Further research should be required for more practical use of biochar for the reduction of odorants in wastewater.
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