开县特大天然气井喷事件对灾区环境影响评估  

THE EVALUATION OF ENVIRONMENTAL IMPACT OF SERIOUS GAS BLOWOUT ON DISASTER AREAS IN KAIXIAN COUNTY OF CHONGQING

作　　者：张华东[1] 陈新[1] 徐少华[2] 贾庆良[1] 

机构地区：[1]重庆疾病预防控制中心,重庆400042 [2]开县疾病预防控制中心

出　　处：《现代预防医学》2007年第9期1700-1701,共2页Modern Preventive Medicine

基　　金：重庆市科委资助课题

摘　　要：[目的]对开县特大天然气井喷事件对灾区环境的影响进行评估。[方法]本文作者收集开县井喷事件的所有相关资料,结合事件处理中环境空气、水和食品检测结果进行分析。[结果]井喷前H2S在空气中浓度高,点火后即迅速下降。[结论]根据对事件喷发的天然气量及其H2S含量分析,作者认为事件虽然造成大量的人员伤亡及动物死亡,但事件排放的硫化物总量相对于面积数平方公里而言其量较微,特别是后期由于点火,H2S燃烧生成相对毒性较低的二氧化硫最终沉积于环境,事件对环境影响较小。[Objective] To assess the environmental impact of serious gas blowout on disaster areas in Kaixian county of Chongqing. [Methods] All relevant data of the accident were collected to analyze, combined with the test results of the air, water and foods of the disaster areas. [Results] The concentrion of H2S was high before the blowout, but decreased rapidly after the late ignition. [Conclusion] According to the analysis of the volume of gas and H2S, although the accident caused a lot of casualties and dead animals, the total volume of sulfide emitted in the accident is fairly slim relative to several square kilometers areas, especially after the late ignition, H2S combusted of sulfur dioxide, which is a relatively less toxic, eventually deposited in the environment. There is less impact, on the environment.

关 键 词：突发公共事件 特大天然气井喷 环境影响 

分 类 号：X51[环境科学与工程—环境工程]