Study on the co-operative effect of kitchen wastewater for harvest and enhanced pyrolysis of microalgae

被引：48
作者：
Wang, Shuang [1 ]
Hu, Shuanhu [1 ]
Shang, Hao [1 ]
Barati, Bahram [1 ]
Gong, Xun [2 ]
Hu, Xun [3 ]
Abomohra, Abd El-Fatah [4 ,5 ]
机构：
[1] Jiangsu Univ, Sch Energy & Power Engn, Zhenjiang 212013, Jiangsu, Peoples R China
[2] Huazhong Univ Sci & Technol, Sch Energy & Power Engn, State Key Lab Coal Combust, Wuhan 430074, Peoples R China
[3] Univ Jinan, Sch Mat Sci & Engn, Jinan 250022, Shandong, Peoples R China
[4] Chengdu Univ, Sch Architecture & Civil Engn, Dept Environm Engn, Chengdu 610106, Peoples R China
[5] Tanta Univ, Bot Dept, Fac Sci, Tanta 31527, Egypt
来源：
BIORESOURCE TECHNOLOGY | 2020年 / 317卷
基金：
中国博士后科学基金;
关键词：
Microalgae; Kitchen wastewater; Flocculation; Pyrolysis; Bio-oil; CO-PYROLYSIS; SCENEDESMUS-OBLIQUUS; BIODIESEL PRODUCTION; CATALYTIC PYROLYSIS; CHLORELLA-VULGARIS; BIOMASS; FLOCCULATION; OPTIMIZATION; CULTIVATION; MECHANISM;
D O I：
10.1016/j.biortech.2020.123983
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Microalgae biofuels have received extensive attention as a new generation of renewable energy. However, the cost of cultivation and harvest limits the large-scale use of microalgae. An innovative method for harvesting microalgae through flocculation using kitchen wastewater (KWW) and further co-pyrolysis to enhance the crude bio-oil production was proposed. Flocculation efficiency of KWW for Scenedesmus obliques showed the highest value of 94.09%. Compared with centrifugation and chemical flocculation (CF), the thermogravimetric curve of the sample after KWW flocculation showed different pattern. In addition, bio-oil yield of microalgae harvested through KWW flocculation was also the highest among the three studied harvest methods, reaching 55.59%. Gas chromatographic mass spectrometry (GC-MS) analysis of bio-oil showed that addition of KWW could promote the production of esters and hydrocarbons in comparison to the microalgae harvested by centrifugation or CF.
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页数：7
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