Process for disposing of solvent-containing liquids
    263.
    发明授权
    Process for disposing of solvent-containing liquids 失效
    处理含溶剂液体的方法

    公开(公告)号:US06955638B1

    公开(公告)日:2005-10-18

    申请号:US10429842

    申请日:2003-05-06

    Abstract: A process for disposing of solvent-containing liquids so that they do not contaminate ground water. An absorbent blend is mixed into a water-containing solvent mixture at the rate of about 1 lb. of blend per gallon of liquid. The blend is made up of a swellable polymer, consisting of polyacrylamide/polyacrylate co-polymer salt or poly 2-propenamide-co-2-propenoic acid homopolymer salt which swells and absorbs liquid. The blend also contains a mixture of solid absorbents. The resulting mixture is stirred in the container until it becomes thick and then it is allowed to set to provide a disposable modeling clay-like solid. The resulting solid material, after curing, may be then simply added to solid trash, and thus, be freed from contaminating ground water.

    Abstract translation: 一种处理含溶剂液体的方法,使其不污染地下水。 将吸收剂混合物以每加仑液体约1lb的混合物的速率混合到含水溶剂混合物中。 共混物由可膨胀的聚合物组成,其由聚丙烯酰胺/聚丙烯酸酯共聚物盐或聚2-丙烯酰胺 - 共-2-丙烯酸均聚物盐组成,其溶胀和吸收液体。 该混合物还含有固体吸收剂的混合物。 将所得混合物在容器中搅拌直至变稠,然后允许其设置以提供一次性建模粘土样固体。 固化后所得到的固体材料可以简单地添加到固体垃圾中,从而免除污染的地下水。

    Zinc oxide-based sorbents and processes for preparing and using same
    264.
    发明授权
    Zinc oxide-based sorbents and processes for preparing and using same 有权
    氧化锌基吸附剂及其制备和使用方法

    公开(公告)号:US06951635B2

    公开(公告)日:2005-10-04

    申请号:US10670206

    申请日:2003-09-26

    Abstract: Zinc oxide-based sorbents, and processes for preparing and using them are provided, wherein the sorbents are preferably used to remove one or more reduced sulfur species from gas streams. The sorbents contain an active zinc component, optionally in combination with one or more promoter components and/or one or more substantially inert components. The active zinc component is a two phase material, consisting essentially of a zinc oxide (ZnO) phase and a zinc aluminate (ZnAl2O4) phase. Each of the two phases is characterized by a relatively small crystallite size of typically less than about 500 Angstroms. Preferably the sorbents are prepared by converting a precursor mixture, containing a precipitated zinc oxide precursor and a precipitated aluminum oxide precursor, to the two-phase, active zinc oxide containing component.

    Abstract translation: 提供了氧化锌基吸附剂,以及制备和使用它们的方法,其中吸附剂优选用于从气流中除去一种或多种还原硫物质。 吸附剂含有活性锌组分,任选地与一种或多种促进剂组分和/或一种或多种基本上惰性的组分组合。 活性锌组分是基本上由氧化锌(ZnO)相和铝酸锌(ZnAl 2 O 4 O 4)相组成的两相材料。 两相中的每一个的特征在于相对较小的微晶尺寸通常小于约500埃。 优选地,通过将​​含有沉淀的氧化锌前体和沉淀的氧化铝前体的前体混合物转化成两相含活性氧化锌的组分来制备吸附剂。

    Four bed regenerable filter system
    266.
    发明申请
    Four bed regenerable filter system 有权
    四床可再生过滤系统

    公开(公告)号:US20050150377A1

    公开(公告)日:2005-07-14

    申请号:US10754837

    申请日:2004-01-12

    Abstract: A regenerable filter system includes a flow path along which a stream of fluid flows between an inlet and an outlet. A first filtering unit is located in the flow path. The first filter unit includes first and second regenerable filter beds, wherein each bed has a first adsorbent for removing a first contaminant from the fluid stream. A first valve is located between the inlet and the first and second filter beds for selectively directing the fluid stream through one of the first and the second filter beds. The other of the first and second filter beds is removed from the flow path. A second filtering unit is located in the flow path between the first filtering unit and the outlet. The second filtering unit includes third and fourth regenerable filter beds for removing a second contaminant from the stream of fluid. A second valve is located between the first filtering unit and the third and fourth filter beds for selectively directing the stream of fluid through one of the third and fourth filter beds, wherein the other of the third and fourth filter beds is removed from the flow path. A controller operates the first valve such that the stream of fluid is directed through one of the first and second filter beds. The second valve is so operated that the stream of fluid is directed through one of the third and fourth filter beds. The first and second filter beds are cycled independent of one another.

    Abstract translation: 可再生过滤器系统包括流动路径,流体流在入口和出口之间流动。 第一过滤单元位于流动路径中。 第一过滤器单元包括第一和第二可再生过滤床,其中每个床具有用于从流体流中除去第一污染物的第一吸附剂。 第一阀位于入口与第一和第二过滤床之间,用于选择性地引导流体流通过第一和第二过滤床之一。 第一和第二过滤床中的另一个从流动路径移除。 第二过滤单元位于第一过滤单元和出口之间的流动路径中。 第二过滤单元包括用于从流体流中除去第二污染物的第三和第四可再生过滤床。 第二阀位于第一过滤单元和第三和第四过滤床之间,用于选择性地引导流体流通过第三和第四过滤床之一,其中第三和第四过滤床中的另一个从流动路径 。 控制器操作第一阀,使得流体流被引导通过第一和第二过滤床之一。 第二阀被操作以使得流体流被引导通过第三和第四过滤床之一。 第一和第二过滤床彼此独立地循环。

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