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    • 43. 发明申请
    • Recovery of non-aqueous phase liquids from ground sources
    • 从地源回收非水相液体
    • US20070014633A1
    • 2007-01-18
    • US11179466
    • 2005-07-13
    • Tommy LiMarlos IoannidisIoannia Chatzis
    • Tommy LiMarlos IoannidisIoannia Chatzis
    • B09C1/02
    • B09C1/002B09C1/00B09C1/02
    • The invention disclosed relates to a method and apparatus for recovering non-aqueous phase liquids (NAPL) from regions below ground where NAPL spills are sources of aquifer contamination. The apparatus includes a system to supply gas-supersaturated liquid, a system of ground wells in fluid communication with the contaminated ground water region (source of contamination) and with an above-ground NAPL recovery system, said system of wells including an injection well in fluid communication with the system to supply gas-supersaturated liquid and with the contaminated region below ground, an extraction well in fluid communication with the contaminated region below ground and with the NAPL recovery system, wherein the NAPL is in the gaseous phase or gas-mobilized non-volatile liquid phase or both, and a pump for delivering the gas-supersaturated liquid to the vicinity of the contaminated region below ground.
    • 所公开的本发明涉及一种用于从NAPL泄漏作为含水层污染源的地下区域回收非水相液体(NAPL)的方法和装置。 该设备包括供应气体过饱和液体的系统,与受污染的地下水区域(污染源)流体连通的地下井系统以及地上NAPL回收系统,所述井系统包括注入井 与系统流体连通以供应气体过饱和液体和地下污染区域,提取井与地下污染区域和NAPL回收系统流体连通,其中NAPL处于气相或气体驱动 非挥发性液相或两者,以及用于将气体过饱和液体输送到地下污染区域附近的泵。
    • 47. 发明授权
    • Compositions for improved recovery of metals
    • 用于改善金属回收的组合物
    • US06908570B2
    • 2005-06-21
    • US10694543
    • 2003-10-27
    • Frederick H. Green
    • Frederick H. Green
    • B09C1/02C22B7/00C09K3/00
    • B09C1/02C22B7/008Y02P10/234
    • Liquor compositions for the extraction of metallic elements from solid and liquid metal-contaminated starting material such as mineral ores, recyclable wastes, contaminated soils, engraving solutions, metal finishing solutions, battery manufacturing solutions, toxic wastes such as dusts producing through steelmaking processes by effectuating preferably prolonged contacting of such starting material with the liquor to cause the underlying structure of the starting material to be broken down. The contaminated starting materials are more susceptible to metal separation because the released metallic element are readily solubilized in the contacting liquor. Compositions of the contacting liquor comprise caustic silicate solutions containing essentially saturating levels of silica. Once the plurality of metallic elements contained in the starting material have been solubilized, they tend to remain in solution, and then may be routinely extracted and removed using conventional extraction methodologies such as precipitation of insoluble salts, electrowinning, or electrodeposition.
    • 用于从固体和液体金属污染的原料如矿物矿石,可回收废物,污染土壤,雕刻溶液,金属整理溶液,电池制造解决方案中提取金属元素的酒精组合物,通过炼钢过程生产的有毒废物如粉尘 优选地将这种起始材料与液体长时间接触以使原料的下面的结构被分解。 污染的起始材料更易于金属分离,因为释放的金属元素容易溶解在接触液中。 接触液体的组成包含基本上饱和的二氧化硅含量的苛性硅酸盐溶液。 一旦包含在原料中的多种金属元素已被溶解,它们倾向于保留在溶液中,然后可以使用常规提取方法例如不溶性盐的沉淀,电解沉积或电沉积常规提取和除去。