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Joint chemical flushing of soils contaminated with petroleum hydrocarbons

机译：联合化学冲洗被石油烃污染的土壤

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摘要

How to increase the efficiency of chemical flushing and decrease the remediation expenses of contaminated soils are two key scientific and technological issues to be solved. Joint chemical flushing was tested and compared with the water-flushing. The joint acid-flushing could effectively remove petroleum hydrocarbons in contaminated aquorizem and the dosage of washing powder as a flushing agent was greatly reduced, thereby, saving approximately 1200 US dollars of expenses relative to the water-flushing. The joint salt-flushing could be an optimal method for the cleanup of meadow burozem contaminated with petroleum hydrocarbons under the experimental conditions. Moreover, the amount of surfactant remained in the two washed soils after the joint acid-flushing and the joint-salt-flushing was minimal.
机译：如何提高化学冲洗效率，减少污染土壤的修复费用是亟待解决的两个关键科学技术问题。测试了联合化学冲洗，并与水冲洗进行了比较。联合酸洗可以有效地去除污染的氨苄西林中的石油烃，大大减少了洗衣粉作为冲洗剂的用量，从而节省了约1200美元的水冲洗费用。在实验条件下，联合冲洗盐分可能是一种最佳的方法，用于清理被石油烃污染的草甸布罗泽姆。而且，在联合酸冲洗和联合盐冲洗之后，在两种洗涤过的土壤中残留的表面活性剂的量是最小的。

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