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    • 6. 发明授权
    • Environmental remediation of dense organic contaminants using polyaphron treatments
    • 使用polyaphron处理对致密有机污染物进行环境修复
    • US06602024B1
    • 2003-08-05
    • US10189207
    • 2002-07-03
    • Kalliat T. ValsarajKarsten E. ThompsonDanny D. ReibleLe Yan
    • Kalliat T. ValsarajKarsten E. ThompsonDanny D. ReibleLe Yan
    • B09C110
    • B09C1/02B09C1/002
    • A novel method that promotes upward mobilization of dense nonaqueous-phase liquid contaminants. In one embodiment, the method comprises the steps of: (1) injecting a treating agent (e.g., a polyaphron solution) comprising a light organic-phase fluid (e.g., kerosene, xylene, octane, hexane, etc.) into the Earth's subsurface, targeted within or adjacent to the dense contaminant source zone; and (2) injecting a post-flush agent comprising a polyvalent cation (e.g., Al3+, Fe3+, etc.), or similar species, once the treating agent is displaced throughout the source zone. The treating agent converts the contaminant to a density less than the density of groundwater by inducing in-situ mixing. The post-flush agent destabilizes the polyaphrons thus allowing the contaminant and the treating agent to mix.
    • 一种促进致密非水相液体污染物向上动员的新方法。 在一个实施方案中,该方法包括以下步骤:(1)将包含轻质有机相流体(例如煤油,二甲苯,辛烷,己烷等)的处理剂(例如,多柔比星溶液)注入到地球的地下 目标在密集的污染源区域内或附近; 和(2)一旦处理剂在整个源区域移位,则注入包含多价阳离子(例如Al 3+,Fe 3+等)或类似物质的后冲洗剂。 处理剂通过诱导原位混合将污染物转化为小于地下水密度的密度。 后冲洗剂使聚阴离子不稳定,从而允许污染物和处理剂混合。