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    • 6. 发明公开
    • Sub-aqueous placement of water-based suspensions and method of manufacture and use
    • Unterwasserpositionierung von wasserbasierten Suspensionen und Herstellungsverfahren und Verwendung
    • EP2455166A2
    • 2012-05-23
    • EP11187664.5
    • 2011-11-03
    • Amcol International Corporation
    • Hornaday, Charles J.
    • B09C1/08
    • B09C1/08
    • A suspension (10) having a specific gravity greater than 1.0 that contains one or more reactive materials, said suspension containing a biopolymer that decomposes over time, thereby releasing the contaminant reactant for contact with the contaminants in the waterway bottom sediment or waterway floor material. In one embodiment, the suspension (10) includes a water-buoyant material, that can be placed underwater over a sub-aqueous waterway bottom or floor (12) that contains a contaminant to be treated or confined and remains in place for treatment and/or confinement. After the suspension is placed, it may be stabilized against movement by applying a confining or weighting layer, such as sand or a water-permeable or water-impermeable geotextile, thereover.
    • 比重大于1.0的悬浮液(10)含有一种或多种反应性材料,所述悬浮液含有随时间分解的生物聚合物,从而释放与水路底部沉积物或水路底板材料中的污染物接触的污染物反应物。 在一个实施方案中,悬浮液(10)包括水浮剂材料,其可以放置在水下的水下水路底部或地板(12)上,所述水下底部或地板(12)包含待处理或限制的污染物并保持在适当位置用于处理和/ 或限制。 在悬浮液放置之后,可以通过在其上施加限制或称重层,例如砂或水可渗透或不透水的土工织物来稳定其运动。