Preprint Article Version 1 NOT YET PEER-REVIEWED

A Study on Applying Biomass Fraction for GHG Emission Estimation of Sewage Sludge Incinerator in Korea: A Case Study

Version 1 : Received: 10 February 2017 / Approved: 13 February 2017 / Online: 13 February 2017 (09:11:27 CET)

How to cite: Kang, S.; Kim, S.; Lee, J.; Jeon, Y.; Kim, K.; Jeon, E. A Study on Applying Biomass Fraction for GHG Emission Estimation of Sewage Sludge Incinerator in Korea: A Case Study. Preprints 2017, 2017020035 (doi: 10.20944/preprints201702.0035.v1). Kang, S.; Kim, S.; Lee, J.; Jeon, Y.; Kim, K.; Jeon, E. A Study on Applying Biomass Fraction for GHG Emission Estimation of Sewage Sludge Incinerator in Korea: A Case Study. Preprints 2017, 2017020035 (doi: 10.20944/preprints201702.0035.v1).

Abstract

According to the IPCC guidelines, CO2 emissions from biomass should be excluded from the entire amount of CO2 emissions when calculating CO2 emissions and should be separately reported due to the “carbon neutrality.” Sewage sludge is one of the representative biomass fuels. And it is mixed with fossil fuels in terms of greenhouse gas reduction or is used as fuel to replace fossil fuels by itself. According to the results of this study, biomass contents of both the sewage sludge and the sewage sludge incineration exhaust gases did not amount to 100%. At present, in many countries(South Korea, Japan, and Germany), when calculating greenhouse gas emissions from sewage sludge incinerator, all CO2 emissions from sewage sludge are judged to be biomass and only those greenhouse gas emissions that correspond to Non-CO2 gases are calculated as greenhouse gas emissions. However, since, according our results, the content of sewage sludge is not 100% biomass, if CO2 emissions are excluded according to the existing greenhouse gas emission calculation method, the amount of emissions may be underestimated. Therefore, to accurately calculate greenhouse gas emissions from sewage sludge incinerator, CO2 emissions should be calculated in consideration of the fossil carbon contents of sewage sludge.

Subject Areas

sewage sludge; biomass fraction; sewage sludge incinerator; GHG emission

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