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Uncertainties in Assessing the Environmental Impact of Amine Emissions from a Co2 Capture Plant : Volume 14, Issue 6 (31/03/2014)

By Karl, M.

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Book Id: WPLBN0003983148
Format Type: PDF Article :
File Size: Pages 61
Reproduction Date: 2015

Title: Uncertainties in Assessing the Environmental Impact of Amine Emissions from a Co2 Capture Plant : Volume 14, Issue 6 (31/03/2014)  
Author: Karl, M.
Volume: Vol. 14, Issue 6
Language: English
Subject: Science, Atmospheric, Chemistry
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Historic
Publication Date:
2014
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Solberg, S., Simpson, D., Svendby, T., Castell, N., Karl, M., Walker, S.,...Wright, R. F. (2014). Uncertainties in Assessing the Environmental Impact of Amine Emissions from a Co2 Capture Plant : Volume 14, Issue 6 (31/03/2014). Retrieved from http://worldlibrary.org/


Description
Description: Norwegian Institute for Air Research, NILU, Kjeller, Norway. In this study, a new model framework that couples the atmospheric chemistry transport model system WRF-EMEP and the multimedia fugacity level III model was used to assess the environmental impact of amine emissions to air from post-combustion carbon dioxide capture. The modelling framework was applied to a typical carbon capture plant artificially placed at Mongstad, west coast of Norway. WRF-EMEP enables a detailed treatment of amine chemistry in addition to atmospheric transport and deposition. Deposition fluxes of WRF-EMEP simulations were used as input to the fugacity model in order to derive concentrations of nitramines and nitrosamine in lake water. Predicted concentrations of nitramines and nitrosamines in ground-level air and drinking water were found to be highly sensitive to the description of amine chemistry, especially of the night time chemistry with the nitrate (NO3) radical. Sensitivity analysis of the fugacity model indicates that catchment characteristics and chemical degradation rates in soil and water are among the important factors controlling the fate of these compounds in lake water. The study shows that realistic emission of commonly used amines result in levels of the sum of nitrosamines and nitramines in ground-level air (0.6–10 pg m−3) and drinking water (0.04–0.25 ng L−1) below the current safety guideline for human health enforced by the Norwegian Environmental Directorate. The modelling framework developed in this study can be used to evaluate possible environmental impacts of emissions of amines from post-combustion capture in other regions of the world.

Summary
Uncertainties in assessing the environmental impact of amine emissions from a CO2 capture plant

Excerpt
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