Characteristics of Chloroaliphatic Hydrocarbons in Shallow Groundwater Contaminated from Lanfill Leachates
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摘要: 研究区是浅层地下水主要补给区.通过区内地下水监测说明, 受垃圾淋滤液影响的地下水中氯代烃高值点主要集中在研究区中部; 地下水中氯代烃检出值和检出率有季节性变化特征, 与垃圾堆放时间和该井距垃圾堆放场距离有密切关系, 堆放时间越长, 离垃圾堆放场越近, 检出率、检出值越高; 对地下水污染的敏感性和影响氯代烃迁移的机理方面进行了初步分析.Abstract: The studying area is the recharge area of shallow groundwater. The results indicate that the chloroaliphatic hydrocarbons (CAHs) from landfill leathates is mainly distributed in the middle of the area. The seasonal characteristics of CAHs occurrence and concentration can be well correlated with the distance and the age of landfills, which decrease with the distance and increase with the age. The article discusses the characteristics of CAHs in groundwater contaminated from landfill leachates in two aspects: vulnerability to contamination of groundwater and contamination mechanism.
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表 1 受垃圾淋滤液影响的地下水中氯代脂肪烃检出情况
Table 1. Characterization of chloroaliphatic hydrocarbons in groundwater contaiminated from landfill leachates
表 2 两取样点氯代脂肪烃检出情况
Table 2. Occurrence of chloroaliphatic hydrocarbons in groundwater at two sites
表 3 不同堆放时间的垃圾场周围监测井氯代脂肪烃检出情况
Table 3. Occurrence of chloroaliphatic hydrocarbons in groundwater contaiminated from different age landfills
表 4 不同时期地下水氯代脂肪烃检出情况
Table 4. Occurrence of chloroaliphatic hydrocarbons in groundwater contaiminated in different sampling times
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