根据沈阳市72家供暖企业调研数据,利用IPCC温室气体清单方法核算供热企业碳排放量。结果表明:在151d供暖期内,不同热源形式碳排放强度差异显著,小型分散锅炉房平均碳排放强度为58.25 kg CO_2/m^2,区域锅炉房为53.42kgCO_2/m^2,热电联产...根据沈阳市72家供暖企业调研数据,利用IPCC温室气体清单方法核算供热企业碳排放量。结果表明:在151d供暖期内,不同热源形式碳排放强度差异显著,小型分散锅炉房平均碳排放强度为58.25 kg CO_2/m^2,区域锅炉房为53.42kgCO_2/m^2,热电联产为49.87 kgCO_2/m^2,组合式热源(燃煤锅炉+热泵)为34.49kgCO_2/m^2,清洁能源为21.58kg CO_2/m^2。基于不同热源形式碳排放强度和清洁发展机制推荐的基准线确定方法,设置了实际排放、历史排放、单体容量40 t/h以上区域锅炉房排放、热电联产排放、技术水平领先前30%和40%企业排放6种基准线情景。通过各个碳排放基准线值比较,结合沈阳市的经济技术发展水平和未来碳交易市场计划,建议选择技术水平领先前40%企业排放情景下的碳排放基准值46.57 kg CO_2/m^2作为沈阳市2013年供暖行业的碳排放基准线。以此基准线为起始基准线,对2014—2020年的碳排放基准线进行了预测。展开更多
It is difficult to quantify and certify the greenhouse gas(GHG)emission reduction in the entire process of a project of carbon capture,utilization and storage(CCUS)-enhanced oil recovery(EOR).Under the methodological ...It is difficult to quantify and certify the greenhouse gas(GHG)emission reduction in the entire process of a project of carbon capture,utilization and storage(CCUS)-enhanced oil recovery(EOR).Under the methodological framework for GHG voluntary emission reduction project,the carbon emission reduction accounting method for CCUS-EOR project was established after examining the accounting boundaries in process links,the baseline emission and project emission accounting methods,and the emission and leakage quantification and prediction models,in order to provide a certification basis for the quantification of GHG emission reduction in the CCUS-EOR project.Based on the data of energy consumption,emission and leakage monitoring of the CCUS-EOR industrial demonstration project in Jilin Oilfield,the net emission reduction efficiency is determined to be about 91.1%at the current storage efficiency of 80%.The accounting and prediction of carbon emission reduction for CCUS-EOR projects with different concentrations and scales indicate that within the project accounting boundary,the certified net emission reduction efficiency of the low-concentration gas source CCUS-EOR projects represented by coal-fired power plants is about 37.1%,and the certified net emission reduction efficiency of the high-concentration gas source CCUS-EOR projects represented by natural gas hydrogen production is about 88.9%.The proposed method is applicable to the carbon emission reduction accounting for CCUS-EOR projects under multiple baseline scenarios during the certification period,which can provide decision-making basis for the planning and deployment of CCUS-EOR projects.展开更多
文摘根据沈阳市72家供暖企业调研数据,利用IPCC温室气体清单方法核算供热企业碳排放量。结果表明:在151d供暖期内,不同热源形式碳排放强度差异显著,小型分散锅炉房平均碳排放强度为58.25 kg CO_2/m^2,区域锅炉房为53.42kgCO_2/m^2,热电联产为49.87 kgCO_2/m^2,组合式热源(燃煤锅炉+热泵)为34.49kgCO_2/m^2,清洁能源为21.58kg CO_2/m^2。基于不同热源形式碳排放强度和清洁发展机制推荐的基准线确定方法,设置了实际排放、历史排放、单体容量40 t/h以上区域锅炉房排放、热电联产排放、技术水平领先前30%和40%企业排放6种基准线情景。通过各个碳排放基准线值比较,结合沈阳市的经济技术发展水平和未来碳交易市场计划,建议选择技术水平领先前40%企业排放情景下的碳排放基准值46.57 kg CO_2/m^2作为沈阳市2013年供暖行业的碳排放基准线。以此基准线为起始基准线,对2014—2020年的碳排放基准线进行了预测。
基金Supported by the PetroChina Science and Technology Project (2021ZZ01-06,2021DJ1101)。
文摘It is difficult to quantify and certify the greenhouse gas(GHG)emission reduction in the entire process of a project of carbon capture,utilization and storage(CCUS)-enhanced oil recovery(EOR).Under the methodological framework for GHG voluntary emission reduction project,the carbon emission reduction accounting method for CCUS-EOR project was established after examining the accounting boundaries in process links,the baseline emission and project emission accounting methods,and the emission and leakage quantification and prediction models,in order to provide a certification basis for the quantification of GHG emission reduction in the CCUS-EOR project.Based on the data of energy consumption,emission and leakage monitoring of the CCUS-EOR industrial demonstration project in Jilin Oilfield,the net emission reduction efficiency is determined to be about 91.1%at the current storage efficiency of 80%.The accounting and prediction of carbon emission reduction for CCUS-EOR projects with different concentrations and scales indicate that within the project accounting boundary,the certified net emission reduction efficiency of the low-concentration gas source CCUS-EOR projects represented by coal-fired power plants is about 37.1%,and the certified net emission reduction efficiency of the high-concentration gas source CCUS-EOR projects represented by natural gas hydrogen production is about 88.9%.The proposed method is applicable to the carbon emission reduction accounting for CCUS-EOR projects under multiple baseline scenarios during the certification period,which can provide decision-making basis for the planning and deployment of CCUS-EOR projects.
