Mariculture wastewater treatment with Bacterial-Algal Coupling System (BACS): Effect of light intensity on microalgal biomass production and nutrient removal

doi:10.1016/j.envres.2021.111578

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	Mariculture wastewater treatment with Bacterial-Algal Coupling System (BACS): Effect of light intensity on microalgal biomass production and nutrient removal
	Gao, Yedong 2; Guo, Liang 2,4; Liao, Qianru 2; Zhang, Zengshuai 1; Zhao, Yangguo 2; Gao, Mengchun 2; Jin, Chunji 2; She, Zonglian 2; Wang, Guangce 3
刊名	ENVIRONMENTAL RESEARCH
	2021-10-01
卷号	201 页码:12
关键词	Mariculture wastewater Bacterial-Algal Coupling System Mixotrophic cultivation Light intensity Enzyme activity
ISSN号	0013-9351
DOI	10.1016/j.envres.2021.111578
通讯作者	Guo, Liang(geletu@ouc.edu.cn)
英文摘要	Mariculture wastewater generated from the mariculture industry has increased public concern due to its impact on the sustainability of aquatic environments and aquaculture practices. Herein, the Bacterial-Algal Coupling System was applied for mariculture wastewater treatment. Microalgae growth in heterotrophy and mixotrophy (2000-8000 lux) was first compared. The best microalgal growth and nutrient removal were obtained at 5000 lux, where biomass productivity of microalgae was 0.465 g L-1 d(-1), and 98.1% of chemical oxygen demand, 70.7% of ammonia-nitrogen, and 90.0% of total phosphorus were removed. To further understand the nutrient removal through microalgae cultivation, the enzyme activities involved in the Calvin cycle and the Tricarboxylic Acid cycle at different light intensities were determined. Under mixotrophic cultivation, there was a coordination between photosynthesis and heterotrophic metabolism in the agal cell, which resulted in a high algal biomass production and removal efficiency of nutrients. This study provided a novel insight into the bioremediation of mariculture wastewater and microalgae cultivation.
资助项目	National Natural Science Foundation of China[52070173] ; Fundamental Research Funds for the Central Universities[201964005] ; Open Fund of Laboratory for Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology[LMEES201805] ; Ocean University of China-Auburn University (OUC-AU)
WOS研究方向	Environmental Sciences & Ecology ; Public, Environmental & Occupational Health
语种	英语
出版者	ACADEMIC PRESS INC ELSEVIER SCIENCE
WOS记录号	WOS:000703964200007
内容类型	期刊论文
源URL	[http://ir.qdio.ac.cn/handle/337002/176532]
专题	中国科学院海洋研究所
通讯作者	Guo, Liang
作者单位	1.Tech Univ Denmark, Dept Environm Engn, DK-2800 Lyngby, Denmark 2.Ocean Univ China, Coll Environm Sci & Engn, Qingdao 266100, Peoples R China 3.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China 4.Ocean Univ China, Key Lab Marine Environm & Ecol, Minist Educ, Qingdao 266100, Peoples R China
推荐引用方式 GB/T 7714	Gao, Yedong,Guo, Liang,Liao, Qianru,et al. Mariculture wastewater treatment with Bacterial-Algal Coupling System (BACS): Effect of light intensity on microalgal biomass production and nutrient removal[J]. ENVIRONMENTAL RESEARCH,2021,201:12.
APA	Gao, Yedong.,Guo, Liang.,Liao, Qianru.,Zhang, Zengshuai.,Zhao, Yangguo.,...&Wang, Guangce.(2021).Mariculture wastewater treatment with Bacterial-Algal Coupling System (BACS): Effect of light intensity on microalgal biomass production and nutrient removal.ENVIRONMENTAL RESEARCH,201,12.
MLA	Gao, Yedong,et al."Mariculture wastewater treatment with Bacterial-Algal Coupling System (BACS): Effect of light intensity on microalgal biomass production and nutrient removal".ENVIRONMENTAL RESEARCH 201(2021):12.