Characterization of microalgae-bacteria consortium cultured in landfill leachate for carbon fixation and lipid production

被引：117

作者：

Zhao, Xin ^{[1
]}

Zhou, Yan ^{[2
]}

Huang, Sheng ^{[1
]}

Qiu, Duanyang ^{[1
]}

Schideman, Lance ^{[2
]}

Chai, Xiaoli ^{[1
]}

Zhao, Youcai ^{[1
]}

机构：

[1] Tongji Univ, State Key Lab Pollut Control & Resource Reuse, Shanghai 200092, Peoples R China

[2] Univ Illinois, Dept Agr & Biol Engn, Urbana, IL USA

来源：

BIORESOURCE TECHNOLOGY | 2014年 / 156卷

关键词：

Carbon fixation; Microalgae; Landfill leachate; Microalgae-bacteria consortium; Biofuel production; EXTRACELLULAR POLYMERIC SUBSTANCES; WASTE-WATER TREATMENT; CHLORELLA-VULGARIS; PHOSPHORUS REMOVAL; CULTIVATION; AMMONIA; GROWTH; ALGAE; EXTRACTION; TOXICITY;

D O I：

10.1016/j.biortech.2013.12.112

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The characteristics of cultivating high-density microalgae-bacteria consortium with landfill leachate was tested in this study. Landfill leachate was collected from Laogang landfill operated for over 10 years in Shanghai, China. The maximum biomass concentration of 1.58 g L-1 and chlorophyll a level of 22 mg L-1 were obtained in 10% leachate spike ratio. Meanwhile, up to 90% of the total nitrogen in landfill leachate was removed in culture with 10% leachate spike ratio with a total nitrogen concentration of 221.6 mg L-1. The fluorescence peak of humic-like organic matters red shifted to longer wavelengths by the end of culture, indicating that microalgae-bacteria consortium was effective for treating landfill leachate contaminants. Furthermore, with the leachate spike ratio of 10%, the maximum lipid productivity and carbon fixation were 24.1 and 65.8 mg L-1 d(-1), respectively. Results of this research provide valuable information for optimizing microalgae culture in landfill leachate. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：322 / 328

页数：7

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