A mutant strain of microalga Chlorella sp. for the carbon dioxide capture from biogas

Chien Ya Kao, Sheng Yi Chiu, Tzu Ting Huang, Le Dai, Guan Hua Wang, Ching-Ping Tseng, Chiun-Hsun Chen, Chih-Sheng Lin*

*此作品的通信作者

研究成果: Article同行評審

77 引文 斯高帕斯(Scopus)

摘要

To upgrade biogas produced from the anaerobic digestion of swine wastewater, an outdoor photobioreactor was established in this study. A mutant strain of microalga Chlorella sp. MM-2 was firstly isolated by ethyl methane sulfonate-induced random mutagenesis. The Chlorella sp. MM-2 grew in the presence of gas containing H 2S < 100 ppm, and the growth capacity of the microalgal culture aerated with 80% CH 4 was ∼70% that of the control culture (0% CH 4). In the field study, CO 2 capture efficiency of the Chlorella cultures, at a biomass concentration of 1.2 g L -1, from the desulfurized biogas (∼20% CO 2, ∼70% CH 4 and H 2S < 100 ppm) was approximate 70% on cloudy days and 80% on sunny days. CH 4 concentration in the effluent biogas from the Chlorella cultures was increased to approximate 84% on cloudy days and 87% on sunny days from its original 70%. The established outdoor photobioreactor system using a gas cycle-switching operation could be used as a CO 2 capture model for biogas upgrading.

原文English
頁(從 - 到)132-140
頁數9
期刊Biomass and Bioenergy
36
DOIs
出版狀態Published - 1月 2012

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