【摘要】 通过对燃料天然气各主要使用领域进行的现场调研和气体取样分析,计算得到我国天然气的平均碳含量、碳氧化因子和二氧化碳排放因子。结果表明,我国天然气的碳含量与IPCC给出的缺省值基本一致,碳氧化因子比IPCC缺省值略低,因此计算出的二氧化碳排放因子也比IPCC缺省值低。碳氧化因子小于1表示燃烧不充分,主要是由于一部分碳被氧化成为一氧化碳。由于一氧化碳在大气中可以稳定存在,且会造成环境污染,故燃烧时产生的一氧化碳排放应该单独报告,而不是折算后并入二氧化碳排放量。更多还原

【Abstract】 Fuel natural gas in several main application fields are sampled and analyzed. Average carbon content,carbon oxidation factor and CO₂ emission factor of natural gas in China are calculated based on the gas composition data.Compared with IPCC default values,almost the same carbon content value and a lower carbon oxidation factor in China are obtained. The calculated CO₂ emission factors are correspondingly lower than the IPCC default value. The COF which is less than 1 means incomplete combustion because of the incomplete oxidation of carbon to CO. As CO can stably exist in the atmosphere and result in environmental pollution,it is suggested to report CO emission separately instead of being converted and added to CO₂ emission.更多还原