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The joint effect of ammonium and pH on the growth of Chlorella vulgaris and ammonium removal in artificial liquid digestate
Jiang, Renyuan1,2,3,4; Qin, Lei1,2,3; Feng, Siran1,5; Huang, Dalong1,2,3; Wang, Zhongming1,2,3; Zhu, Shunni1,2,3
2021-04-01
发表期刊BIORESOURCE TECHNOLOGY
ISSN0960-8524
卷号325页码:10
通讯作者Zhu, Shunni(zhusn@ms.giec.ac.cn)
摘要Although ammonium containing digestate is an ideal alternative medium for microalgae cultivation, high ammonium or unfavorable pH may inhibit microalgal growth. In this study, the joint effect of ammonium and pH on the growth of C. vulgaris and nutrient removal in artificial digestate was investigated. Our results show that ammonium and pH both affected algal growth, but free ammonia (FA) was the main actual inhibitory factor. Algal specific growth rate presented a negative correlation with FA and their relationship was well fitted by a linear regression model. Microalgal growth was little affected below 36.8 mg L-1 FA, while the obvious inhibition occurred at 184 mg L-1 FA (EC50), indicating a high tolerance to FA. Ammonium removal was well described by a first-order kinetics model. FA stress stimulated the production of extracellular organic matters (EOMs), which was good for micmalgae adaptation but adverse to pollutant removal.
关键词Chlorella vulgaris Ammonium pH Free ammonia Cell components Extracellular organic matters
DOI10.1016/j.biortech.2021.124690
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[21878291] ; National Natural Science Foundation of China[51861145103] ; Natural Science Foundation of Guangdong Province, China[2018A030313883] ; Natural Science Foundation for Research Team of Guangdong Province, China[2016A030312007]
WOS研究方向Agriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
项目资助者National Natural Science Foundation of China ; Natural Science Foundation of Guangdong Province, China ; Natural Science Foundation for Research Team of Guangdong Province, China
WOS类目Agricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS记录号WOS:000620173300018
出版者ELSEVIER SCI LTD
引用统计
被引频次:36[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/32696
专题中国科学院广州能源研究所
通讯作者Zhu, Shunni
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
2.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou 510640, Peoples R China
3.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Univ Technol Sydney, Ctr Technol Water & Wastewater, Sch Civil & Environm Engn, Sydney, NSW 2007, Australia
第一作者单位中国科学院广州能源研究所
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GB/T 7714
Jiang, Renyuan,Qin, Lei,Feng, Siran,et al. The joint effect of ammonium and pH on the growth of Chlorella vulgaris and ammonium removal in artificial liquid digestate[J]. BIORESOURCE TECHNOLOGY,2021,325:10.
APA Jiang, Renyuan,Qin, Lei,Feng, Siran,Huang, Dalong,Wang, Zhongming,&Zhu, Shunni.(2021).The joint effect of ammonium and pH on the growth of Chlorella vulgaris and ammonium removal in artificial liquid digestate.BIORESOURCE TECHNOLOGY,325,10.
MLA Jiang, Renyuan,et al."The joint effect of ammonium and pH on the growth of Chlorella vulgaris and ammonium removal in artificial liquid digestate".BIORESOURCE TECHNOLOGY 325(2021):10.
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