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Cultivation of oleaginous microalgae for removal of nutrients and heavy metals from biogas digestates
Yang, Suo1,2; Xu, Jin1,2,3,4; Wang, Zhong-Ming3; Bao, Lian-Jun1,2; Zeng, Eddy Y.1,2
2017-10-15
发表期刊JOURNAL OF CLEANER PRODUCTION
卷号164页码:793-803
摘要Cultivation of microalgae in anaerobically digested effluent is beneficial for removal of nutrients, such as nitrogen and phosphorus, and heavy metals at reduced cost and generation of biomass to produce biofuels. In the present study, four strains of oleaginous microalgae, separated from fresh water in South China, were evaluated for their ability to remove nitrogen and phosphorus. The results showed that Scenedesmus sp. (GN 171) was capable of removing nitrogen and phosphorous in BG-11 medium at the rates of 97% and 99%. Two types of anaerobically digested effluents, i.e., grass anaerobically digested effluent and molasses wastewater anaerobically digested effluent, were chosen as the nutrient sources. These anaerobically digested effluents diluted in BG-11 medium or with tap water were used as the substitute medium to cultivate GN 171; other pretreatment methods, such as sterilization and dilution ratio, were also taken into consideration. A ratio of 1/3 for unsterilized grass anaerobically digested effluent/tap water mixture (designated as G4) was the optimal proportion for growth of GN 171 and removal of nitrogen and phosphorus at a large scale. The dry weight of GN 171 reached 3.2 g L-1, and the total lipid, carbohydrate and protein contents were 34%, 30% and 16% in G4. The efficacies for removal of total nitrogen, ammonia nitrogen, phosphorus and selected heavy metals were generally satisfactory. It seems possible to use ADE, rather than any artificial medium, as the sole nutrient source for microalgae production. (C) 2017 Published by Elsevier Ltd.
文章类型Article
关键词Microalgae Grass Anaerobically Digested Effluent Molasses Wastewater Anaerobically Digested Effluent Biomass Nitrogen Phosphorus
WOS标题词Science & Technology ; Technology ; Life Sciences & Biomedicine
资助者Ministry of Science and Technology of China(2012ZX07503-003-002) ; Key Laboratory of Renewable Energy, Chinese Academy of Sciences(y507jb1001) ; Natural Science Foundation(2016A030312007) ; Ministry of Science and Technology of China(2012ZX07503-003-002) ; Key Laboratory of Renewable Energy, Chinese Academy of Sciences(y507jb1001) ; Natural Science Foundation(2016A030312007)
DOI10.1016/j.jclepro.2017.06.221
研究领域[WOS]Engineering ; Environmental Sciences & Ecology
关键词[WOS]WASTE-WATER TREATMENT ; ANAEROBIC-DIGESTION PERFORMANCE ; BIOMASS PRODUCTION ; LIQUID DIGESTATE ; LIGHT-INTENSITY ; SILAGE QUALITY ; CHLORELLA ; PHOSPHORUS ; NITROGEN ; GROWTH
收录类别SCI
语种英语
资助者Ministry of Science and Technology of China(2012ZX07503-003-002) ; Key Laboratory of Renewable Energy, Chinese Academy of Sciences(y507jb1001) ; Natural Science Foundation(2016A030312007) ; Ministry of Science and Technology of China(2012ZX07503-003-002) ; Key Laboratory of Renewable Energy, Chinese Academy of Sciences(y507jb1001) ; Natural Science Foundation(2016A030312007)
WOS类目Engineering, Environmental ; Environmental Sciences
WOS记录号WOS:000409290700074
引用统计
被引频次:2[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/344007/16289
专题中国科学院广州能源研究所
作者单位1.Jinan Univ, Sch Environm, Guangzhou Key Lab Environm Exposure & Hlth, Guangzhou 510632, Guangdong, Peoples R China
2.Jinan Univ, Guangdong Key Lab Environm Pollut & Hlth, Guangzhou 510632, Guangdong, Peoples R China
3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
4.Jinan Univ, Dept Ecol, Guangzhou 510632, Guangdong, Peoples R China
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GB/T 7714
Yang, Suo,Xu, Jin,Wang, Zhong-Ming,et al. Cultivation of oleaginous microalgae for removal of nutrients and heavy metals from biogas digestates[J]. JOURNAL OF CLEANER PRODUCTION,2017,164:793-803.
APA Yang, Suo,Xu, Jin,Wang, Zhong-Ming,Bao, Lian-Jun,&Zeng, Eddy Y..(2017).Cultivation of oleaginous microalgae for removal of nutrients and heavy metals from biogas digestates.JOURNAL OF CLEANER PRODUCTION,164,793-803.
MLA Yang, Suo,et al."Cultivation of oleaginous microalgae for removal of nutrients and heavy metals from biogas digestates".JOURNAL OF CLEANER PRODUCTION 164(2017):793-803.
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