Global hexachlorobenzene emissions

Global hexachlorobenzene emissions
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DOI:
10.1016/s0045-6535(00)00186-7
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发表时间:
2001-04-01
期刊:
影响因子:
8.8
通讯作者:
Bailey, RE
Bailey, RE
中科院分区:
环境科学与生态学2区
文献类型:
--
作者:
Bailey, RE

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已收集了各种来源的资料,以提供1990年代中期全球六氯苯排放的情况。没有发现任何单一的六氯苯主要来源。全球不同来源的六氯代苯排放量的最佳估计如下:农药使用-6,500千克/年;制造业-9,500千克/年;燃烧-7,000千克/年,包括生物质燃烧产生的500千克。这意味着目前六氯代苯的总排放量约为23,000千克/年,估计范围为12,000 - 92,000千克/年。在大气中测得的六氯苯中有很大一部分被认为来自土壤中“旧的”六氯苯的挥发,这些六氯苯是过去沿着的污染造成的;来源不明。没有关于发展中国家潜在来源的资料。(C)2001爱思唯尔科技有限公司版权所有。
Information from a variety of sources has been assembled tio give a global picture of hexachlorobenzene (HCB) emissions in the mid 1990s. No single overwhelming source of HCB was identified. The best estimates of global HCB emissions from different categories of sources are as follows: pesticides application - 6500 kg/yr; manufacturing - 9500 kg/yr; combustion - 7000 kg/yr, includes 500 kg from biomass burning. This adds up to total current HCB emissions of approximately 23,000 kg/yr with an estimated range 12,000-92,000 kg/yr. A substantial portion of HCB measured in the atmosphere is thought to come from volatilization of "old" HCB on the soil from past contamination along; with unidentified sources. No information on potential sources in developing countries was available. (C) 2001 Elsevier Science Ltd. All rights reserved.