利用烟道气培养微藻的机制与应用

doi:10.13560/j.cnki.biotech.bull.1985.2015.02.001

摘要/Abstract

摘要： 微藻生物柴油是唯一有潜力代替传统化石燃料解决交通用油问题的可再生生物能源，但其产业化主要受到微藻培养高成本的制约。工业废气（烟道气）不仅含有大量CO₂，还含有硫氧化物（SOx）和氮氧化物（NOx）。因此，利用烟道气培养产油微藻既可以降低微藻生物柴油的生产成本，又可以减少温室气体和污染气体的排放。综述了微藻液体悬浮培养系统吸收、转化CO₂、SO_X和NOx的机理和利用烟道气培养微藻的研究与实践，基于微藻细胞具有高效吸收、转化CO₂、SO₂和NOx的能力，提出了建立微藻产油、固碳、脱硫、除硝一体化模式来帮助解决当前能源和环境问题的设想。

关键词: 微藻, 烟道气, 生物柴油, 固碳, 脱硫, 除硝

Abstract: Biodiesel from microalgae is considered as the only renewable biofuel that has the potential to displace traditional petroleum-derived transport fuels and meet the global demand for transport fuels. However, its more widespread use is limited by high cost of microalgal cultivation. Industrial waste gas（flue gas） contains not only a lot of CO₂, but also considerable sulfur oxides（SOx） and nitrogen oxides（NOx）, so utilization of flue gas for microalgal cultivation to reduce the cost of microalgal biodiesel has atracted more and more attention. In this paper, the mechanism of absorption and metablization of CO₂, SO₂ and NOx by microalgae and the applications of flue gas in cultivation of microalgae were reviewed. Based on the unique capacity of microalgal suspention culture system in utilization of CO₂, SO₂ and NOx, the idea of simultaneous lipid production, CO₂ fixation, SO₂ and NOx removal by microalgae was established.

Key words: microalgae, flue gas, biodiesel, CO₂ fixation, SO₂ removal, NOx removal

杜奎, 梁芳, 耿亚洪, 李夜光. 利用烟道气培养微藻的机制与应用[J]. 生物技术通报, 2015, 31(2): 1-9.

Du Kui, Liang Fang, Geng Yahong, Li Yeguang. Cultivation of Microalgae with Flue Gas: Mechanism and Application[J]. Biotechnology Bulletin, 2015, 31(2): 1-9.

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