Investigation of water-energy-emission nexus of air pollution control of the coal-fired power industry: A case study of Beijing-Tianjin-Hebei region, China

Investigation of water-energy-emission nexus of air pollution control of the coal-fired power... Coal-fired power generation is water- and energy-intensive and is associated with high emissions. As a result, China has issued a strict emission policy ("ultra-low emission control") for the coal-fired power industry. This study investigated the water, energy and emissions nexus (WEEN), focusing on end-of pipe treatment technologies for the coal-fired power industry in the Beijing-Tianjin-Hebei region. The result revealed that the energy consumption for pollutant removal was 1.2 million tons coal equivalent (Mtce) for the 118 investigated plants in 2014. Of the energy consumed, 60%, 11% and 29% was used for SO2, NOx and dust removal, respectively. Water consumption for pollutant removal was 13% of total water consumption for electricity generation. The result implied that this policy could reduce SO2, NOx and dust emissions by 89%, 90%, and 88%, respectively, while consuming an average of 2% less energy and 8% more water as tradeoffs. Construction cost associated with implementing these technology changes could be as high as 5–14 billion yuan in total. The synergies and tradeoffs quantified in this study provide numerical information that could assist with making decisions on the most suitable technology sets for emission control with consideration of water, energy, emissions and cost. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Energy Policy Elsevier

Investigation of water-energy-emission nexus of air pollution control of the coal-fired power industry: A case study of Beijing-Tianjin-Hebei region, China

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Ltd
ISSN
0301-4215
D.O.I.
10.1016/j.enpol.2018.01.035
Publisher site
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Abstract

Coal-fired power generation is water- and energy-intensive and is associated with high emissions. As a result, China has issued a strict emission policy ("ultra-low emission control") for the coal-fired power industry. This study investigated the water, energy and emissions nexus (WEEN), focusing on end-of pipe treatment technologies for the coal-fired power industry in the Beijing-Tianjin-Hebei region. The result revealed that the energy consumption for pollutant removal was 1.2 million tons coal equivalent (Mtce) for the 118 investigated plants in 2014. Of the energy consumed, 60%, 11% and 29% was used for SO2, NOx and dust removal, respectively. Water consumption for pollutant removal was 13% of total water consumption for electricity generation. The result implied that this policy could reduce SO2, NOx and dust emissions by 89%, 90%, and 88%, respectively, while consuming an average of 2% less energy and 8% more water as tradeoffs. Construction cost associated with implementing these technology changes could be as high as 5–14 billion yuan in total. The synergies and tradeoffs quantified in this study provide numerical information that could assist with making decisions on the most suitable technology sets for emission control with consideration of water, energy, emissions and cost.

Journal

Energy PolicyElsevier

Published: Apr 1, 2018

References

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