Organics removal and protein recovery from wastewater discharged during the production of chondroitin sulfate
Sheng, Yanqing1; Xing, Li2
2013
发表期刊WATER SCIENCE AND TECHNOLOGY
卷号68期号:7页码:1582-1590
产权排序[Sheng, Yanqing] Chinese Acad Sci, Res Ctr Coastal Environm Engn Technol Shandong Pr, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China; [Xing, Li] Ningxia Qiyuan Pharmaceut Co Ltd, Yinchuan 750100, Peoples R China
摘要Bentonite, chitosan and polyaluminum chloride (PAC) were applied to treat wastewater discharged during the production of chondroitin sulfate and recover protein dissolved in the wastewater. The results showed that the combination of pH 9.00, 3-4 mL chitosan solution, 2 g of bentonite and 5 mL of 8% PAC solution per 100 mL of wastewater with a 4.0 h flocculation time were the optimal conditions for the recovery of protein and removal of total organic carbon (TOC) from wastewater. A pilot-scale test also was conducted, and 130 kg (dry weight) of sediment was obtained from 1.1 m(3) of discharged wastewater. This sediment contained abundant amino acids (proteins comprised 61% of the total sediment), after the recovery of protein, the dissolved TOC concentration in wastewater was decreased by approximately 80% and the residual wastewater could be readily disposed using a traditional activated sludge process.; Bentonite, chitosan and polyaluminum chloride (PAC) were applied to treat wastewater discharged during the production of chondroitin sulfate and recover protein dissolved in the wastewater. The results showed that the combination of pH 9.00, 3-4 mL chitosan solution, 2 g of bentonite and 5 mL of 8% PAC solution per 100 mL of wastewater with a 4.0 h flocculation time were the optimal conditions for the recovery of protein and removal of total organic carbon (TOC) from wastewater. A pilot-scale test also was conducted, and 130 kg (dry weight) of sediment was obtained from 1.1 m(3) of discharged wastewater. This sediment contained abundant amino acids (proteins comprised 61% of the total sediment), after the recovery of protein, the dissolved TOC concentration in wastewater was decreased by approximately 80% and the residual wastewater could be readily disposed using a traditional activated sludge process.
通讯作者Sheng, YQ (reprint author), Chinese Acad Sci, Res Ctr Coastal Environm Engn Technol Shandong Pr, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China. yqsheng@yic.ac.cn
关键词Chitosan And Bentonite Chondroitin Sulfate Polyaluminum Chloride Protein Recovery Wastewater Treatment
学科领域Engineering ; Environmental ; Environmental Sciences ; Water Resources
项目资助者National Natural Science Foundation of China [40906045]
收录类别SCI
关键词[WOS]CHITOSAN ; SEPARATION ; CARTILAGE
文章类型Article
语种英语
WOS研究方向Engineering ; Environmental Sciences & Ecology ; Water Resources
WOS记录号WOS:000327140100019
引用统计
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/6765
专题中科院海岸带环境过程与生态修复重点实验室_污染过程与控制实验室
作者单位1.Chinese Acad Sci, Res Ctr Coastal Environm Engn Technol Shandong Pr, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
2.Ningxia Qiyuan Pharmaceut Co Ltd, Yinchuan 750100, Peoples R China
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Sheng, Yanqing,Xing, Li. Organics removal and protein recovery from wastewater discharged during the production of chondroitin sulfate[J]. WATER SCIENCE AND TECHNOLOGY,2013,68(7):1582-1590.
APA Sheng, Yanqing,&Xing, Li.(2013).Organics removal and protein recovery from wastewater discharged during the production of chondroitin sulfate.WATER SCIENCE AND TECHNOLOGY,68(7),1582-1590.
MLA Sheng, Yanqing,et al."Organics removal and protein recovery from wastewater discharged during the production of chondroitin sulfate".WATER SCIENCE AND TECHNOLOGY 68.7(2013):1582-1590.
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