钢材产品碳排放计算过程及计算方法、相关参数推值

附录A（规范性）钢材产品碳排放计算过程及计算方法单位钢材产品碳排放量计算方法单位钢材产品碳排放量等于原辅料获取阶段碳排放量和钢材产品生产阶段碳排放量之和与对应钢材产品产量之比，按式（1）计算：E=E原辅料+E式中：E——单位钢材产品碳排放量，单位为吨二氧化碳每吨钢材（tCO2/t钢材）；E原辅料——核算和报告期内原辅料获取阶段产生的二氧化碳排放量，单位为吨二氧化碳(tCO2)E生产——核算和报告期内钢材产品生产阶段产生的二氧化碳排放量，单位为吨二氧化碳(tCO2)Q——核算和报告期内对应钢材产品产量，单位为吨（t）。原辅料获取阶段产生的碳排放量计算原辅料获取阶段的碳排放量应包括原辅料与能源开采、生产和运输过程的碳排放。纳入核算的产品类型应包括表A.1界定的产品。表A.1原辅料获取阶段需纳入核算的产品类型产品类型产品名称原料铁矿石铁合金外购烧结矿外购球团矿外购铁锭外购废钢能源洗精煤、烟煤、无烟煤等外购焦炭辅料石灰石白云石菱镁石电极原辅料获取阶段产生的碳排放量宜优先采用供货企业提供的经第三方认证的碳排放量数据。对于原辅料供货企业无法提供碳排放量数据的，应按式（2）计算：E原辅料=h=1n式中：E开采及生产——核算和报告期内第h种原辅料开采及生产阶段的碳排放量，单位为吨二氧化碳(tCO2)E运输——核算和报告期内第h种原辅料运输过程的碳排放量，单位为吨二氧化碳(tCO2)h——原辅料的类型。原辅料开采及生产过程碳排放量计算方法原辅料开采及生产过程碳排放量应按式（3）计算：E开采及生产=h=1n式中：YDh——核算和报告期内第h种原辅料的活动数据，单位为吨YFh——第h种原辅料开采及生产过程的碳排放因子，单位为吨二氧化碳每吨(tCO2/t)活动数据获取原辅料的活动水平数据应采用采购单等结算凭证上的数据。排放因子数据获取原辅料的碳排放因子应采用附录B中B.1的数据。原辅料运输过程碳排放量计算方法原辅料运输过程产生的碳排放量应按式（4）计算：E运输=h=1n式中：Dh——核算和报告期内第h种原辅料的运输距离，单位为千米(km)VFhp——第h种原辅料的第p类运输方式的二氧化碳排放因子，单位为吨二氧化碳每吨每千米（tCO2p——原辅料的运输方式，例如公路、铁路、航运等。活动数据获取原辅料的活动水平数据应采用采购单等结算凭证上的数据。原辅料厂外运输距离宜采用实际里程数统计数据进行计算。排放因子数据获取运输方式的碳排放因子应采用附录B中B.3的数据。钢材产品生产阶段的碳排放量计算钢材产品生产阶段的碳排放量应参照GB/T32151.5的规定进行计算。

附录B（资料性）相关参数推荐值原辅料开采及生产过程碳排放因子常用原辅料开采及生产过程碳排放因子见表B.1。表B.1原辅料开采及生产过程碳排放因子名称单位碳排放因子外购焦炭tCO2/t0.93铁矿石tCO2/t0.04铁精粉（含加工）tCO2/t0.2铁合金铬铁tCO2/t6.6锰铁tCO2/t5.9钼铁tCO2/t8.1镍铁tCO2/t9.4硅铁tCO2/t11.4外购废钢tCO2/t2.3外购铁锭tCO2/t1.4外购烧结矿tCO2/t0.20外购球团矿tCO2/t0.07电极tCO2/t2.65煤tCO2/t0.3石灰石tCO2/t0.005白云石tCO2/t0.006原辅料运输过程碳排放因子常用原辅料运输过程碳排放因子见表B.2。表B.2原辅料运输过程碳排放因子原辅料运输方式单位碳排放因子道路交通（货运）tCO2/tkm0.074航空（货运）tCO2/tkm0.979水运（货运）tCO2/tkm0.012化石燃料相关参数推荐值常用化石燃料相关参数推荐值见表B.3。表B.3常用化石燃料相关参数推荐值燃料品种计量单位低位发热量（GJ/t，GJ/104Nm3）单位热值含碳量（tC/TJ）燃料碳氧化率固体燃料无烟煤t26.7c27.4b94%b烟煤t19.570d26.1b93%b褐煤t11.9c28.0b96%b洗精煤t26.334a25.41b90%b其他洗煤t12.545a25.41b90%b其他煤制品t17.46d33.6b90%b焦炭t28.435a29.5b93%b液体燃料原油t41.816a20.1b98%燃料油t41.816a21.1b98%b汽油t43.070a18.9b98%b柴油t42.652a20.2b98%b一般煤油t43.070a19.6b98%b液化天然气t44.2c17.2c98%b液化石油气t50.179a17.2c98%b焦油t33.453a22.0c98%b粗笨t41.816a22.7d98%b气体燃料焦炉煤气104Nm3179.81a13.58b99%b高炉煤气104Nm333.00d70.8c99%b转炉煤气104Nm384.00a49.60b99%b其他煤气104Nm352.270a12.2b99%b天然气104Nm3389.31a15.3b99%b注：数据取值来源为a《中国能源统计年鉴2013》，b《省级温室气体清单编制指南（试行）》，c《2006年IPCC国家温室气体清单指南》，d《中国温室气体清单研究》（2007）。生产过程排放因子推荐值常用生产过程排放因子推荐值见表B.4。表B.4生产过程排放因子推荐值名称计量单位CO2排放因子(tCO2/t)石灰石t0.440白云石t0.471电极t3.663生铁t0.172直接还原铁t0.073镍铁合金t0.037铬铁合金t0.275钼铁合金t0.018注：数据来源为《国际钢铁协会二氧化碳排放数据收集指南(第六版)》。其他排放因子和参数推荐值其他排放因子和参数推荐值见表B.5。表B.5其他排放因子和参数推荐值名称单位CO2排放因子电力tCO2MWh采用国家最新发布值热力tCO2/GJ0.11粗钢tCO2/t0.0154甲醇tCO2/t1.375饱和蒸汽热焓值饱和蒸汽热焓值见表B.6。表B.6饱和蒸汽热焓表压力（MPa）温度（℃）焓（kJ/kg）压力（MPa）温度（℃）焓（kJ/kg）0.0016.982513.81179.8827770.00217.512533.21.1184.062780.40.00324.12545.21.2187.962783.40.00428.982554.11.3191.627860.00532.92561.21.4195.042788.40.00636.182567.11.5198.282790.40.00739.022572.21.6201.372792.20.00841.532576.71.4204.32793.80.00943.792580.81.5207.12795.10.0145.832584.41.9209.792796.40.015542598.92212.372797.40.0260.092609.62.2217.242799.10.02564.992618.12.4221.782800.40.0369.122625.32.6226.032801.20.0475.892636.82.8230.042801.70.0581.3526453233.842801.90.0685.952653.63.5242.542801.30.0789.962660.24250.332799.40.0893.5126665263.922792.80.0996.712671.16275.562783.30.199.632675.77285.82771.40.12104.812683.88294.982757.50.14109.322690.89303.312741.80.16113.322696.810310.962724.40.18116.932702.111318.042705.40.2120.232706.912324.642684.80.25127.432717.213330.812662.40.3133.542725.514336.632638.30.35138.882732.515342.122611.60.4143.622738.516347.322582.70.45147.922743.817352.262550.80.5151.852748.518356.962514.40.6158.842756.419361.442470.10.7164.962762.920365.712413.90.8170.422768.421369.792340.20.9175.36277322373.682192.5过热蒸汽热焓值过热蒸汽热焓值见表B.7。表B.7过热蒸汽热焓表温度压力0.01MPa0.1MPa0.5MPa1MPa3MPa5MPa7MPa10MPa14MPa20MPa25MPa30MPa0℃00.10.51357.110.114.120.125.13010℃4242.142.54344.946.948.851.755.661.366.170.820℃83.98484.384.886.788.690.493.297102.5107.1111.740℃167.4167.5167.9168.3170.1171.9173.6176.3179.8185.1189.4193.860℃2611.3251.2251.2251.9253.6255.3256.9259.4262.8267.8272276.180℃2649.3335335.3335.7337.3338.8340.4342.8346350.8354.8358.7100℃2687.32676.5419.4419.7421.2422.7424.2426.5429.5434437.8441.6120℃2725.42716.8503.9504.3505.7507.1508.5510.6513.5517.7521.3524.9140℃2763.62756.6589.2589.5590.8592.1593.4595.4598602605.4603.1160℃28022796.22767.3675.7676.9678679.2681683.4687.1690.2693.3180℃2840.62835.72812.12777.3764.1765.2766.2767.8769.9773.1775.9778.7200℃2879.32875.22855.52827.5853853.8854.6855.9857.7860.4862.8856.2220℃2918.32914.728982874.9943.9944.4945946947.2949.3951.2953.1240℃2957.42954.32939.92920.528231037.810381038.41039.11040.31041.51024.8260℃2996.82994.12981.52964.82885.511351134.71134.31134.111341134.31134.8280℃3036.530343022.93008.32941.828571236.71235.21233.51231.61230.51229.9300℃3076.33074.13064.23051.32994.22925.42839.21343.71339.51334.61331.51329表B.7过热蒸汽热焓表(续)温度压力0.01MPa0.1MPa0.5MPa1MPa3MPa5MPa7MPa10MPa14MPa20MPa25MPa30MPa400℃3279.432783217.832643231.63196.93159.73098.530042820.12583.22159.1420℃3320.963319.683313.83306.63276.93245.432113155.983072.722917.022730.762424.7440℃3362.523361.363355.93349.33321.93293.23262.33213.463141.443013.942878.322690.3450℃3383.33382.23377.13370.73344.43316.832883242.23175.83062.42952.12823.1460℃3404.423403.343398.33392.13366.83340.43312.43268.583205.243097.962994.682875.26480℃3446.663445.623440.93435.13411.63387.23361.33321.343264.123169.083079.842979.58500℃3488.93487.93483.73478.33456.43433.83410.23374.133233240.231653083.9520℃3531.823530.93526.93521.863501.283480.123458.63425.13378.43303.732373166.1540℃3574.743573.93570.13565.423546.163526.443506.43475.43432.53364.63304.73241.7550℃3593.23595.43