Long-term sorption of halogenated organic chemicals by aquifer material. 2. Intraparticle diffusion
摘要：
The sorption of tetrachloroethene (PCE) and 1,2,4,5-tetrachlorobenzene (TeCB) was studied on sandy aquifer material from Borden, ON, by using a batch methodology designed to accurately measure sorption over long equilibration periods. Autoclaving was effective in inhibiting biotransformation, and use of fire-sealed glass ampules precluded volatilization losses. Data analysis techniques were developed to accurately account for partitioning to sample headspace and other losses. Sorption isotherms for PCE and TeCB with Borden solids deviated from linearity when a 4-5 order of magnitude range in aqueous concentration was considered. However, in the dilute range (
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关键词：
environmental sciences chlorinated aliphatic hydrocarbons adsorption reservoir rock sorptive properties sand adsorption isotherms aqueous solutions aquifers carbon 14
DOI：
10.1021/es00019a002
被引量：
年份：
1991
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