Adsorption efficiency of biochar produced by aquaculture by-products for removing geosmin in aquaculture environment

被引：0
作者：
Cui, Yadi [1 ,2 ]
Chen, Xi [1 ,2 ,3 ]
Pitakrattanawong, Chompoonuch [1 ]
Du, Xiaolu [1 ]
Qiu, Liping [2 ,4 ,5 ,6 ]
Xu, Huimin [2 ,4 ,5 ,6 ]
Chen, Jiazhang [1 ,2 ,4 ,5 ,6 ]
Meng, Shunlong [1 ,2 ,4 ,5 ,6 ]
Fan, Limin [1 ,2 ,4 ,5 ,6 ]
Song, Chao [1 ,2 ,4 ,5 ,6 ]
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
来源：
WATER REUSE | 2024年 / 14卷 / 01期
关键词：
adsorption efficiency; aquaculture by-product; moss biochar; removal of odorous substances; PHOTOCATALYTIC DEGRADATION; PHYTOPLANKTON POPULATIONS; CLADOPHORA-GLOMERATA; ODOR COMPOUNDS; WATER; UV; BIODEGRADATION; MANAGEMENT; MECHANISM; SINENSIS;
D O I：
10.2166/wrd.2023.129
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
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.
引用
收藏
页码：65 / 79
页数：15
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