阴离子表面活性剂在石油污染土壤中浸出降解的柱状研究87 - 97

A. Selberg, Jana Budashova, T. Tenno
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引用次数: 9

摘要

以粗粒和细粒砂质油污染土壤为研究对象,采用生物修复剂SR-100对土壤进行处理。测定了柱上土壤馏分中碳氢化合物和阴离子表面活性剂的浓度。粗粒土中,未污染土柱表面活性剂残留量最高,可达122 mg/kg。细砂土样品表面活性剂残留量分布均匀,污染土与CaCO3混合样品表面活性剂残留量略高。结果表明,污染土壤中表面活性剂有降解作用,但没有完全去除表面活性剂,并出现了土壤淋滤现象。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Column study of the leaching and degradation of anionic surfactants in oil-polluted soil; 87–97
The study was carried out with coarse-grained and fine sandy oil-polluted soils in column tests and the soil was treated with the bioremediation agent SR-100. The concentrations of the hydrocarbons and anionic surfactants were determined in the fractions of soil from the column. In the experiments with the coarse-grained soil the highest concentration of residual surfactants (up to 122 mg/kg) was found in the column with unpolluted soil. The distribution of the residual surfactants was even for the fine sandy soil sample s and it was slightly higher for the mixture of polluted soil and CaCO3. The results indicated degradation of surfactants in the polluted soil but the degradation did not completely remove the surfactants and leaching from soil was observed.
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