Adsorption efficiency of biochar produced by aquaculture by-products for removing geosmin in aquaculture environment
文献类型： 外文期刊
作者： Cui, Yadi 1 ; Chen, Xi 1 ; Pitakrattanawong, Chompoonuch 1 ; Du, Xiaolu 1 ; Qiu, Liping 2 ; Xu, Huimin 2 ; Chen, Jiazhang 1 ; Meng, Shunlong 1 ; Fan, Limin 1 ; Song, Chao 1 ;
作者机构： 1.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi 214081, Peoples R China
2.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Wuxi 214081, Peoples R China
3.Huazhong Agr Univ, Coll Fisheries, Wuhan 430000, Peoples R China
4.Minist Agr & Rural Affairs, Lab Qual & Safety Risk Assessment Aquat Prod Envir, Wuxi 214081, Peoples R China
5.Minist Agr & Rural Affairs, Key Lab Control Qual & Safety Aquat Prod, Beijing 100000, Peoples R China
6.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Key Lab Freshwater Fisheries & Germplasm Resources, Minist Agr & Rural Affairs, Wuxi 214081, Peoples R China
关键词： adsorption efficiency; aquaculture by-product; moss biochar; removal of odorous substances
期刊名称：WATER REUSE （ 影响因子：4.5； 五年影响因子：4.5 ）
ISSN： 2709-6092
年卷期： 2023 年
页码：
收录情况： SCI
摘要： Aquaculture produces numerous by-products like aquatic plants, algae, and nutrient-enriched sediment annually, which are often discarded as waste, are not environmentally friendly, and are harmful to the environment. In this study, aquaculture by-products were utilized to prepare moss biochar at 500, 700, and 800 C-degrees (BC500, BC700, and BC800, respectively); Elodea biochar (WBC800) at 800(degrees)C; and sediment biochar (SBC800) at 800 C-degrees. Characterization and experimental results showed that BC800 had the best adsorption effect on geosmin (GSM) under the same conditions; when using BC800 to treat GSM solution with a pH of 7, the adsorption efficiency of GSM was high (97.08%) under the conditions of dosage of 1.0 g, temperature of 25 C-degrees, and adsorption time of 2 min. Adsorption is a multimolecular layer process that involves both physical aspects of porous adsorption and connections between chemical bonds. Biochar, derived from aquaculture by-products, is utilized to eliminate odorous substances in aquaculture environments, thereby promoting resource recycling.
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