Development of algae-bacteria granular consortia in photo-sequencing batch reactor

被引：147

作者：

Liu, Lin ^{[1
,2
]}

Fan, Hongyong ^{[1
]}

Liu, Yuhong ^{[1
]}

Liu, Chaoxiang ^{[1
]}

Huang, Xu ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Pollutant Convers, Xiamen 361021, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2017年 / 232卷

基金：

中国国家自然科学基金;

关键词：

Algae; Aerobic granules; Wastewater; Biomass energy; WASTE-WATER TREATMENT; IN-SITU; BIODIESEL PRODUCTION; AEROBIC GRANULATION; NUTRIENTS REMOVAL; NITROGEN REMOVAL; SCENEDESMUS; COMPETITION; DIVERSITY; BIOFUELS;

D O I：

10.1016/j.biortech.2017.02.025

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The development and properties of algae-bacteria granular consortia, which cultivated with the algae (Chlorella and Scenedesmus) and aerobic granules, was investigated in this experiment. The results indicated that the granular consortia could be successfully developed by selection pressure control, and the algal biomass and extracellular polymeric substances (EPS) concentration in the consortia showed notable correlation with the operating parameters of reactor. The maximum specific removal rates of total nitrogen and phosphate were obtained from the granular consortia with the highest algal biomass, yet the correlation between the fatty acid methyl esters yield and the algal biomass in the consortia was not markedly observed. The seed algae maintained dominance in the phototroph community, whereas the cyanobacteria only occupied a small proportion (5.2-6.5%). Although the bacterial communities with different operational strategies showed significant difference, the dominated bacteria (Comamonadaceae, 18.79-36.25%) in the mature granular consortia were similar. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：64 / 71

页数：8

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