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Developing a sustainable process for the cleaner production of baker's yeast: An approach towards waste management by an integrated fermentation and membrane separation process

文献类型：期刊论文

作者Xu, Yingying1,2; Cao, Weifeng2,3; Cui, Jiandong1; Shen, Fei2,3; Luo, Jianqun2,3; Wan, Yinhua2,3
刊名JOURNAL OF ENVIRONMENTAL MANAGEMENT
出版日期2022-12-01
卷号323页码:10
ISSN号0301-4797
关键词Baker ?s yeast Wastewater Nanofiltration Reverse osmosis Saccharomyces cerevisiae
DOI10.1016/j.jenvman.2022.116197
英文摘要Baker's yeast industries generate highly polluted effluents, especially the cell free broth (i.e., vinasse) charac-terized by high chemical oxygen demand, nitrogen, and salts. In this work, it was found that the residual by-products (i.e., ethanol and acetic acid) and salts in the vinasse severely inhibited the cell growth, which hin-dered the reuse of the vinasse for the production of Saccharomyces cerevisiae. Through optimizing a suitable control strategy, the productions of ethanol and acetic acid were eliminated. Then, a nanofiltration membrane (i. e., NF5) was preferred for preliminarily and simultaneously separating and concentrating valuable molecules (i. e., invertase, food grade proteins and pigments) in the vinasse, and the main fouling mechanism was cake layer formation. Subsequently, a reverse osmosis membrane (RO) was suitable to separate and concentrate salts in the NF5 permeate, where the membrane fouling was negligible. Finally, the RO permeate was successfully reused for the production of S. cerevisiae. In addition, without calculating the benefit from the recovery of the valuable molecules, the cost of the integrated process can be decreased by 59.8% compared with the sole triple effect evaporation. Meanwhile, the volume of the fresh water used in the fermentation process can be decreased by 68.8%. Thus, it is a sustainable process for the cleaner production of baker's yeast using the integrated fermentation and membrane separation process.
WOS关键词SUGARCANE MOLASSES ; WATER ; ANTIOXIDANT ; IRRIGATION ; RECOVERY ; NANOFILTRATION ; FRACTIONATION ; EFFLUENT ; REMOVAL ; IMPACT
资助项目Beijing Natural Science Foundation, China[5182025] ; National Natural Science Foundation of China, China[21406240] ; National High Technology Research and Development Program of China[2015AA021002] ; National High Technology Research and Development Program of China[2014AA021005]
WOS研究方向Environmental Sciences & Ecology
语种英语
出版者ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
WOS记录号WOS:000865437000002
资助机构Beijing Natural Science Foundation, China ; National Natural Science Foundation of China, China ; National High Technology Research and Development Program of China
源URL[http://ir.ipe.ac.cn/handle/122111/55152]  
专题中国科学院过程工程研究所
通讯作者Cao, Weifeng; Cui, Jiandong
作者单位1.Tianjin Univ Sci & Technol, Coll Biotechnol, Tianjin 300457, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Xu, Yingying,Cao, Weifeng,Cui, Jiandong,et al. Developing a sustainable process for the cleaner production of baker's yeast: An approach towards waste management by an integrated fermentation and membrane separation process[J]. JOURNAL OF ENVIRONMENTAL MANAGEMENT,2022,323:10.
APA Xu, Yingying,Cao, Weifeng,Cui, Jiandong,Shen, Fei,Luo, Jianqun,&Wan, Yinhua.(2022).Developing a sustainable process for the cleaner production of baker's yeast: An approach towards waste management by an integrated fermentation and membrane separation process.JOURNAL OF ENVIRONMENTAL MANAGEMENT,323,10.
MLA Xu, Yingying,et al."Developing a sustainable process for the cleaner production of baker's yeast: An approach towards waste management by an integrated fermentation and membrane separation process".JOURNAL OF ENVIRONMENTAL MANAGEMENT 323(2022):10.

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来源：过程工程研究所

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