1,1,2,2-四氯乙烷在土壤中反应活性研究
首发时间:2010-01-14
摘要:本论文选用1,1,2,2-四氯乙烷(1,1,2,2- tetrachloroethane,TeCA)作为目标污染物,在研究它在2种中国典型土壤上的吸附解吸规律的基础上,对1,1,2,2-TeCA在土壤不可逆吸附相的脱氢氯反应活性进行了研究。结果表明:吸附在土壤不可逆吸附相的1,1,2,2-TeCA能够直接发生脱氢氯反应,吸附相反应速率比溶解相慢很多,而且pH值会影响吸附相1,1,2,2-TeCA的反应速率。
关键词: 1,1,2,2-四氯乙烷 脱氢氯反应 吸附相反应活性
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The reactivity of adsorbed 1,1,2,2-tetrachloroethane on the irreversible sorption phase of two typical Chinese soils
Abstract:In this study, 1,1,2,2-tetrachloroethane (1,1,2,2-TeCA) was selected as the target pollutant,the sorption and desorption of 1,1,2,2-TeCA were investigated in two representative Chinese soils using a batch approach,and the reactivity of 1,1,2,2-TeCA on the irreversible sorption phase of two selected soils was studied. The results showed that 1,1,2,2-TeCA sorbed on irreversible phase by two soils is reactive. The beginning stage of reactive rate was much lower than the homogeneous aqueous solution,and the reactive rate had much relation with pH values.
Keywords: 1,1,2,2-tetrachloroethane elimination reaction reactivity of sorbed compounds
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No.3899751173412634****
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