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天然气在英国的未来作用The future role of natural gas in the  UK 天然气在英国的未来作用The future role of natural gas in the  UK

天然气在英国的未来作用The future role of natural gas in the UK

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  • 更新时间:2021-09-09
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英国制定了到2050年的法定温室气体减排目标,要求到2050年,温室气体排放量比1990年减少80%。达到这个目标的成本效益将需要至少从那时起英国能源系统二氧化碳排放量的类似减少。天然气的单位能量燃烧二氧化碳排放量明显低于煤炭或石油,但高于核能和大多数可再生能源。因此,在英国寻求经济高效地向低碳能源体系迈进的过程中,天然气的作用就产生了疑问。在多大程度上使用天然气可以达到英国的碳减排目标?碳捕获和储存技术(ccs)是否可用对这一点有何影响?天然气能否取代煤炭,成为英国低碳能源系统的“桥梁燃料”,如果可以,这座桥梁需要多少天然气使用量,以及在多长时间内1?这些都是本报告中所讨论的问题

The UK has statutory greenhouse gas emission reduction targets through to 2050, which mandates an 80% reduction in emissions by that date from the level in 1990. Meeting this target cost-effectively will require at least a similar reduction in carbon dioxide emissions from the UK energy system by that date. Natural gas has signifcantly lower CO2 emissions on combustion per unit of energy delivered than either coal or oil, but higher emissions than nuclear and most renewable energy sources. Questions therefore arise about the role of gas as the UK seeks to move cost-effectively towards a low-carbon energy system. How much gas use is compatible with meeting the UK’s carbon emissions reductions targets? How is this affected by whether carbon capture and storage technology (CCS) is available? Can gas, by substituting for coal, act as a ‘bridging fuel’ to a low-carbon UK energy system and, if so, how much gas use does such a bridge entail, and over what period of time1? These are the questions which are addressed in this report

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