Analysis on Energy Consumption and Optimal Operation of FGD System in Power Plant

Xu, Gang; Yang, Yongping; Wang, Nan; Yuan, Xing; Li, Ji; Song, Xiaona

doi:10.1109/appeec.2010.5448640

Cited by 6 publications

(6 citation statements)

References 4 publications

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“…First, this work explored emission mitigation pathways based on national strategies without the consideration of economic costs, such as replacement costs of new power units and costs of control device upgrades. Second, electric energy is consumed to make end-of-pipe control measures operate, − which is not included in the total coal-fired electricity demand in this work. A set of sensitivity test scenarios on conventional end-of-pipe controls (de-SO 2 , de-NO x , and de-PM devices) shows that additional 2% energy consumption from end-of-pipe controls have a minor effect on air pollutants and CO 2 emissions increasing by 0.5–2.3% during 2015–2030 (Figure S6).…”

Section: Discussion and Policy Implicationsmentioning

confidence: 99%

Current Emissions and Future Mitigation Pathways of Coal-Fired Power Plants in China from 2010 to 2030

Tong

Zhang

Liu

et al. 2018

Environ. Sci. Technol.

145

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As the largest energy infrastructure in China, the power sector consumed approximately half of China's coal over the past decade and threatened air quality and greenhouse gas (GHG) abatement targets. In this work, we assessed the evolution of coal-fired power plants and associated emissions in China during 2010−2030 by using a unit-based emission projection model, which integrated the historical power plant information, turnover of the future power plant fleet, and evolution of end-of-pipe control technologies. We found that, driven by stringent environmental legislation, SO 2 , NO x , and PM 2.5 (particulate matter less than 2.5 μm in diameter) emissions from coalfired power plants decreased by 49%, 45%, and 24%, respectively, during 2010−2015, compared to 15% increase in CO 2 emissions. In contrast to everincreasing CO 2 emissions until 2030 under current energy development planning, we found that aggressive energy development planning could curb CO 2 emissions from the peak before 2030. Owing to the implementation of a "near zero" emission control policy, we projected emissions of air pollutants will significantly decrease during 2016−2030. Early retirement of small and low-efficiency power plants would further reduce air pollutants and CO 2 emissions. Our study explored various mitigation pathways for China's coal-fired power plants, which could reduce coal consumption, air pollutants, and CO 2 emissions and improve energy efficiency.

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Section: Discussion and Policy Implicationsmentioning

confidence: 99%

Current Emissions and Future Mitigation Pathways of Coal-Fired Power Plants in China from 2010 to 2030

Tong

Zhang

Liu

et al. 2018

Environ. Sci. Technol.

145

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show abstract

“…(5) Most of the pollution reduction solutions currently used, such as FGD technology for SO 2 abatement, are end-of-pipe control solutions which generally increase energy consumption. According to Xu et al (2010), 1.1-1.5% of the power plant's electricity production is needed for FGD operation. Consequently, they increase emissions of CO 2 to some extent.…”

Section: Discussionmentioning

confidence: 99%

Air pollution reduction during China's 11th Five-Year Plan period—local implementation and achievements in Shanxi province

Zhang

Aunan

Seip

et al. 2012

Environmental Development

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a b s t r a c tFacing the increasing environmental degradation locally and globally, the Chinese government set mandatory goals of 10% reduction of SO 2 emission in its 11th Five-Year Plan period (FYP, 2006(FYP, -2010. In this paper we use Shanxi province to illustrate how policies and measures are implemented in practice at a provincial level as a response to the National FYP issued by the central government. Local policies are described and their effects are analyzed. We find that the 11th FYP goal for SO 2 pollution reduction in Shanxi has been surpassed. SO 2 reduction from estimated baseline level was calculated for the FYP period in order to identify which sectors have had the largest reductions. Regarding SO 2 , we find that Flue-gas desulfurization (FGD) in power plants has been the most important, while either the FGD operation rate or the efficiency, or both, are much lower in practice than officially required. SO 2 emission reduction from closing down outdated production capacity is small according to

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“…In fact, different works have shown that many pollutants, specifically sulfur compounds, can greatly harm the cell units [18][19][20][21]. The units implemented within this design were selective catalytic reduction and wet limestone scrubbing for flue gas pre-treatment for Nitrogen Oxides (NOx) [22,23] and Sulphur Dioxide (SO2) respectively [24][25][26]. A detailed assessment of differing removal methods was not considered within this project scope and so the selection of these unit methods was a result of industrial prevalence and applicability to the process system.…”

Section: Examination Of the Mcfc Integrated Plant Environmentmentioning

confidence: 99%

A feasibility assessment of a retrofit Molten Carbonate Fuel Cell coal-fired plant for flue gas CO2 segregation

Cooper

Bove

Audasso

et al. 2021

International Journal of Hydrogen Energy

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Analysis on Energy Consumption and Optimal Operation of FGD System in Power Plant

Cited by 6 publications

References 4 publications

Current Emissions and Future Mitigation Pathways of Coal-Fired Power Plants in China from 2010 to 2030

Current Emissions and Future Mitigation Pathways of Coal-Fired Power Plants in China from 2010 to 2030

Air pollution reduction during China's 11th Five-Year Plan period—local implementation and achievements in Shanxi province

A feasibility assessment of a retrofit Molten Carbonate Fuel Cell coal-fired plant for flue gas CO2 segregation

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