Accounting,optimization and prediction of carbon emission in ex-situ thermal desorption for site remediation
Carbon emissions from site remediation have been steadily increasing in tandem with market development,necessitating urgent implementation of carbon reduction measures to alleviate the pressure on China's pursuit of its"double carbon"goal.This study focused on the ex-situ thermal desorption remediation technology for carbon emission accounting,carbon reduction synergistic optimization and potential prediction.The carbon emission in the process of ex-situ thermal desorption was quantitatively analyzed in the field of organic contaminated soil remediation.Based on the life cycle assessment theory,this study also explored variations in carbon emission accounting using different factors from domestic and foreign institutions(IPCC,EP A,EEA,UK,CPC,etc.).It investigated differences in carbon emission accounting and the potential for carbon emission reduction under strategies such as technology optimization,clean power energy optimization(from thermal power to wind power,solar energy),and energy type adjustment(from fossil energy to electricity).Additionally,this study used China's 2000-2022 power grid energy structure data to construct a Prophet time series prediction model to predict and analyze carbon emissions from ex-situ thermal desorption technology for organic contaminated sites in China in the next five years(2023-2028).Therefore,this study is expected to improve the accuracy of carbon emission accounting for thermal desorption in site remediation,expand and enrich the path of carbon reduction synergies,and provide theoretical basis for carbon emission prediction and carbon emission reduction potential prediction methods under dynamic changes.
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