Evidence for improvements in containment of fluorinated hydrocarbons during use: an analysis of reported European emissions

Evidence for improvements in containment of fluorinated hydrocarbons during use: an analysis of reported European emissions
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DOI:
10.1016/j.envsci.2008.12.003
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发表时间:
2009-04
影响因子:
6
通讯作者:
A. Mcculloch
A. Mcculloch
中科院分区:
环境科学与生态学2区
文献类型:
--
作者:
A. Mcculloch

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作为《里约公约》承诺的一部分,1各国必须报告温室气体的年度计算排放量。该组中的含氟成员通常是具有高全球变暖潜势的强效温室气体,主要用于制冷和空调。它们仅从此类系统中缓慢发射;因此,长期遏制是一个重要的工程和环境问题。欧洲立法旨在改善遏制措施,因此需要一种简单的方法来监测这一情况。对欧洲国家提交的报告进行了审查,以确定遏制程度(表示为设备中残留的银行的排放率)随时间变化的程度。尽管各国之间存在很大差异,但过去 10 年中大多数制冷所用气体的年排放率已显着改善,目前仍占设备中气体库的 5% 至 10%。这意味着充入系统的原始制冷剂质量需要 10 到 20 年的时间才能释放到大气中。
As part of their commitment under the Rio Convention,1nations are required to report annual calculated emissions of greenhouse gases. The fluorine containing members of this group, which are generally potent greenhouse gases with high Global Warming Potentials, are mainly used in refrigeration and air conditioning. They are emitted only slowly from such systems; hence long term containment is an important engineering and environmental issue. European legislation is designed to effect improvements in containment and a simple way to monitor this would be desirable. The reports submitted by European countries have been examined to determine the extent to which containment (expressed as the rate of emission from the bank remaining in equipment) has changed with time. Although there is a wide variation between countries, the annual emission rates of most of the gases used in refrigeration have improved significantly over the past 10 years and now represent between 5 and 10% of the bank still contained in equipment. This implies that it would take between 10 and 20 years for the original mass of refrigerant charged into a system to be released into the atmosphere.