Growing Chlorella vulgaris on thermophilic anaerobic digestion swine manure for nutrient removal and biomass production

被引：60
作者：
Deng, Xiang-Yuan [1 ,2 ,3 ]
Gao, Kun [1 ,2 ,3 ]
Zhang, Ren-Chuan [2 ,3 ]
Addy, Min [2 ,3 ]
Lu, Qian [2 ,3 ]
Ren, Hong-Yan [2 ,3 ,4 ]
Chen, Paul [2 ,3 ]
Liu, Yu-Huan
Ruan, Roger [2 ,3 ,5 ]
机构：
[1] Jiangsu Univ Sci & Technol, Coll Biotechnol, Zhenjiang 212003, Peoples R China
[2] Univ Minnesota, Ctr Biorefining, 1390 Eckles Ave, St Paul, MN 55108 USA
[3] Univ Minnesota, Dept Bioprod & Biosyst Engn, 1390 Eckles Ave, St Paul, MN 55108 USA
[4] Jiangnan Univ, Sch Environm & Civil Engn, Wuxi 214122, Peoples R China
[5] Nanchang Univ, Minist Educ, Engn Res Ctr Biomass Convers, Nanchang 330047, Jiangxi, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2017年 / 243卷
关键词：
Swine manure; Chlorella vulgaris; Nutrient removal; Chemical composition; Fatty acid profiles; PROCESSING WASTE-WATER; BIODIESEL PRODUCTION; BIOFUEL PRODUCTION; LIPID PRODUCTION; CULTIVATION; MICROALGAE; SYSTEM; GROWTH; WASTEWATERS; BACTERIA;
D O I：
10.1016/j.biortech.2017.06.141
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Liquid swine manure was subjected to thermophilic anaerobic digestion, ammonia stripping and centrifugation in order to increase the available carbon sources and decrease the ammonia concentration and turbidity. Chlorella vulgaris (UTEX 2714) was grown on minimally diluted (2x, 3x and 4x) autoclaved and non-autoclaved pretreated anaerobic digestion swine manure (PADSM) in a batch-culture system for 7 days. Results showed that C. vulgaris (UTEX 2714) grew best on 3x PADSM media, and effectively removed NH4+-N, TN, TP and COD by 98.5-99.8%, 49.2-55.4%, 20.0-29.7%, 31.2-34.0% and 99.8-99.9%, 67.4-70.8%, 49.3-54.4%, 73.6-78.7% in differently diluted autoclaved and non-autoclaved PADSM, respectively. Results of chemical compositions indicated that contents of pigment, carbohydrate, protein and lipid in C. vulgaris (UTEX 2714) changed with the culture conditions. Moreover, its fatty acid profiles suggested that this alga could be used as animal feed if cultivated in autoclaved PADSM or as good-quality biodiesel feedstock if cultivated in non-autoclaved PADSM. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：417 / 425
页数：9
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