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Journal of Shanghai University >

2018 , Vol. 24 >Issue 1: 92 - 99

DOI: https://doi.org/10.12066/j.issn.1007-2861.1779

Research Articles

Comprehensive risk assessment of ammonia desulfurization for coal-fired flue gas

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  • 1. School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China
    2. Energy Management Office, Shanghai University, Shanghai 200444, China

Received date: 2016-05-03

  Online published: 2018-03-05

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Abstract

According to the status of ammonia desulfurization for coal-fired flue gas, a comprehensive risk index system is established by combining a fuzzy assessment method with analytic hierarchical process (AHP) method. A hierarchical structure is established. Judgement matrix is constructed based on calibration of each element and calculated values of elements in all levels. The evaluation system contains five primary factors: technical risk, environmental risk, safety risk, benefit risk and management risk. There are four specific analytical objects for each index. According to the results of experts voting and fuzzy evaluation matrix, risk value can be calculated with reference to the score collection. The result shows that the risk value of ammonia desulfurization process is 60.65, and the risk value of the industry is a little high. Desulfurization technology is on a high risk level, in other words, the risk mainly comes from technology. The result of comprehensive risk assessment is in accordance with the status, and it has a reference value in studying the theory and practice of ammonia desulfurization.

Key words： ammonia desulfurization; analytic hierarchical process (AHP) method; fuzzy evaluation method; comprehensive risk assessment

Cite this article

MA Zhen, WAN Hao . Comprehensive risk assessment of ammonia desulfurization for coal-fired flue gas[J]. Journal of Shanghai University, 2018 , 24(1) : 92 -99 . DOI: 10.12066/j.issn.1007-2861.1779

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