標題: Microalgal biomass production and on-site bioremediation of carbon dioxide, nitrogen oxide and sulfur dioxide from flue gas using Chlorella sp cultures
作者: Chiu, Sheng-Yi
Kao, Chien-Ya
Huang, Tzu-Ting
Lin, Chia-Jung
Ong, Seow-Chin
Chen, Chun-Da
Chang, Jo-Shu
Lin, Chih-Sheng
生物科技學系
Department of Biological Science and Technology
關鍵字: Flue gas;Carbon dioxide;Microalga;Photobioreactor;Chlorella sp.
公開日期: 1-Oct-2011
摘要: The growth and on-site bioremediation potential of an isolated thermal- and CO(2)-tolerant mutant strain. Chlorella sp. MTF-7, were investigated. The Chlorella sp. MTF-7 cultures were directly aerated with the flue. gas generated from coke oven of a steel plant. The biomass concentration, growth rate and lipid content of Chlorella sp. MTF-7 cultured in an outdoor 50-L photobioreactor for 6 days was 2.87 g L(-1) (with an initial culture biomass concentration of 0.75 g L(-1)), 0.52 g L(-1) d(-1) and 25.2%, respectively. By the operation with intermittent flue gas aeration in a double-set photobioreactor system, average efficiency of CO(2) removal from the flue gas could reach to 60%, and NO and SO(2) removal efficiency was maintained at approximately 70% and 50%, respectively. Our results demonstrate that flue gas from coke oven could be directly introduced into Chlorella sp. MTF-7 cultures to potentially produce algal biomass and efficiently capture CO(2), NO and SO(2) from flue gas. (C) 2011 Elsevier Ltd. All rights reserved.
URI: http://dx.doi.org/10.1016/j.biortech.2011.06.091
http://hdl.handle.net/11536/18804
ISSN: 0960-8524
DOI: 10.1016/j.biortech.2011.06.091
期刊: BIORESOURCE TECHNOLOGY
Volume: 102
Issue: 19
起始頁: 9135
結束頁: 9142
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