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KMID : 1024520140230111881
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Journal of the Environmental Sciences
2014 Volume.23 No. 11 p.1881 ~ p.1888
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Estimation of Greenhouse Gas Emissions and Environmental Assessment of Dye Wastewater Treatment Process
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Shin Choon-Hwan
Park Do-Hyun
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Abstract
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Greenhouse gas (GHG) emissions from dye wastewater treatment processes were estimated by analysing their mass
and energy balances, which were then used as baseline information for environmental assessment. The total GHG
emissions from dye wastewater treatment plants were divided into direct emissions from the treatment processes and
indirect ones from electricity usage. The amounts of CO2, CH4 and N2O emissions were calculated according to the
Intergovernmental Panel on Clime Change (IPCC) guideline for the GHG target management system. For 3 years
between 2011 and 2013, direct and indirect emissions were on average 8,742.7 and 7,892.0 Ton.CO2eq/year,
respectively, with the former exhibiting 52.6 %. Also, compared to 2012, in 2013, the eco-efficiency indicator by the
GHG emissions was found to be more than 1, suggesting that environmental quality was effectively improved.
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KEYWORD
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Process of dye wastewater treatment, Greenhouse gas, Mass and energy balance, Eco-efficiency
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