Journal
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
Volume 28, Issue 11, Pages 13649-13659Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-020-11551-z
Keywords
Carbon sources; Mining activities; Pingshuo opencast mine; Driving force; IPAT equation; Carbon emission reduction
Categories
Funding
- National Key Research and Development Program of China [2017YFF0206802]
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This study selected the Pingshuo mining area in Shanxi Province as a case to analyze the dynamic changes in carbon emissions and the factors influencing them based on the IPCC method. It found that fuel consumption and methane emissions were the main sources of carbon emissions in opencast mines, and identified population, GDP, and coal output as key factors influencing carbon emissions.
In recent years, concern has been increasing regarding the carbon emissions generated by mining activities. China is an extremely large coal producer (3695 Mt/2015) and consumer (3698 Mt/2015), and Shanxi Province (i.e., a major coal-producing province in China) is a crucial element in China's energy conservation and emission reduction goals. In this study, the Pingshuo mining area (PMA) in Shanxi Province was chosen as a case to analyze the dynamic changes in carbon emissions based on the Intergovernmental Panel on Climate Change (IPCC) method, and the factors influencing carbon emissions were analyzed via the IPAT equation. Carbon emission sources in opencast mines mainly included fuel and explosive use, coal mine methane escape, coal and gangue spontaneous combustion, and electricity consumption. The carbon emission of the PMA increased from 4 x 10(4) Mg in 1986 to 1.05 x 10(6) Mg in 2015, with an average annual increase of 11.64%. In the PMA, 4.71 x 10(6) Mg of carbon emissions from fuel consumption accounted for 41.79% of carbon emissions, and 5.26 x 10(6) Mg of carbon emissions from methane emissions accounted for 46.66%. Carbon emissions from explosives and electricity use were 4.1 x 10(5) Mg and 8.8 x 10(5) Mg, respectively. In this mining area, the factors influencing carbon emissions included population, GDP, and coal output. The results of this study not only provide a reference for cleaner production in mining areas but also lay a foundation for the study of global opencast coal mining carbon emissions.
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