期刊
ENERGY CONVERSION AND MANAGEMENT
卷 46, 期 3, 页码 403-420出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.enconman.2004.03.009
关键词
bio-reactor; photosynthesis; carbon; capture; sequestration; greenhouse; solar; renewable
The world is faced with an intrinsic environmental responsibility, i.e. the minimisation of greenhouse gas emission to acceptable levels. This study seeks to explain the methods of carbon dioxide capture and sequestration and to discuss a line of research that may, in the future, help to reduce the greenhouse effect in a sustainable manner. The capture of carbon dioxide produced by combustion of fossil fuels used in electric generation can be achieved by amine scrubbing of the flue gases. This process is costly and may, in the future, be replaced by options such as membrane separation, molecular sieves or desiccant adsorption. Short term options of sequestration by direct injection into geologic or oceanic sinks are recognised as methods to reduce the carbon dioxide levels but do not address issues of sustainability. For this purpose, the topic of photosynthetic reaction, which has long been known as a natural process that can produce useful by-products of biomass, oxygen and hydrogen and can fix carbon dioxide, has been examined. In a controlled environment, such as a bio-reactor, micro-organisms capable of photosynthetic reactions may hold the key to reducing emissions in both an economically and environmentally sustainable manner. The design of such a laboratory scale reactor, described in this paper, may help researchers study the feasibility of implementing a larger scale economically sustainable system capable of sequestering significant quantities of carbon dioxide. (C) 2004 Elsevier Ltd. All rights reserved.
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