通向虛無(wú)的橋梁:甲烷排放和天然氣的溫室氣體足跡A bridge to nowhere: methane emissions and the greenhouse gas footprint of na
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- 更新時(shí)間:2021-09-21
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天然氣經(jīng)常被當(dāng)作一種橋式燃料,可以 允許社會(huì)繼續(xù)使用化石能源 未來(lái)幾十年溫室氣體排放量減少 而不是使用煤和石油等其他礦物燃料。 盡管人均排放的二氧化碳確實(shí)較少 天然氣燃燒時(shí)釋放的單位能量比較 對(duì)于煤或石油,天然氣主要由甲烷組成, 它本身就是一種極強(qiáng)的溫室氣體。甲基- 甲烷在吸收大氣中的熱量方面更有效- 球體比二氧化碳還要大,所以即使是很小的速率 甲烷的排放會(huì)對(duì) 天然氣使用的溫室氣體足跡(GHG)。
Natural gas is often promoted as a bridge fuel that will allow society to continue to use fossil energy over the coming decades while emitting fewer greenhouse gases than from using other fossil fuels such as coal and oil. While it is true that less carbon dioxide is emitted per unit energy released when burning natural gas compared to coal or oil, natural gas is composed largely of methane, which itself is an extremely potent greenhouse gas. Meth- ane is far more effective at trapping heat in the atmo- sphere than is carbon dioxide, and so even small rates of methane emission can have a large in?uence on the greenhouse gas footprints (GHGs) of natural gas use.
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上一條:世界能源展望-天然氣展望——天然氣的作用(2017)World Energy Perspectives-Natural Gas Perspectives_the role of natural gas
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