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    • 2. 发明授权
    • Methods and apparatuses for reagent delivery, reactive barrier formation, and pest control
    • 用于试剂递送,反应性屏障形成和害虫控制的方法和装置
    • US06416250B1
    • 2002-07-09
    • US09429878
    • 1999-10-29
    • Tyler GilmoreDaniel I. KaplanGeorge Last
    • Tyler GilmoreDaniel I. KaplanGeorge Last
    • B09C108
    • B09C1/00A01M17/002
    • A reagent delivery method includes positioning reagent delivery tubes in contact with soil. The tubes can include a wall that is permeable to a soil-modifying reagent. The method further includes supplying the reagent in the tubes, diffusing the reagent through the permeable wall and into the soil, and chemically modifying a selected component of the soil using the reagent. The tubes can be in subsurface contact with soil, including groundwater, and can be placed with directional drilling equipment independent of groundwater well casings. The soil-modifying reagent includes a variety of gases, liquids, colloids, and adsorbents that may be reactive or non-reactive with soil components. The method may be used inter alia to form reactive barriers, control pests, and enhance soil nutrients for microbes and plants.
    • 试剂递送方法包括定位与土壤接触的试剂输送管。 管可以包括对土壤改性剂可渗透的壁。 该方法还包括将试剂供应到管中,将试剂扩散通过可渗透壁并进入土壤中,并使用试剂对所选择的土壤成分进行化学修饰。 管子可以与地下水接触,包括地下水,并且可以与独立于地下水井套管的定向钻井设备一起放置。 土壤改性试剂包括可能与土壤组分反应或不起反应的各种气体,液体,胶体和吸附剂。 该方法尤其可用于形成反应性屏障,控制害虫,并增强微生物和植物的土壤养分。
    • 3. 发明授权
    • In-situ chemical barrier and method of making
    • 原位化学屏障和制作方法
    • US5857810A
    • 1999-01-12
    • US807616
    • 1997-02-27
    • Kirk J. CantrellDaniel I. Kaplan
    • Kirk J. CantrellDaniel I. Kaplan
    • B09C1/00B09C1/08E02D31/00E21B33/138B09B3/00
    • B09C1/08B09C1/00E02D31/00E21B33/138E02D2250/003
    • A chemical barrier is formed by injecting a suspension of solid particles or colloids into the subsurface. First, a stable colloid suspension is made including a surfactant and a non-Newtonian fluid. This stable colloid suspension is characterized by colloid concentration, colloid size, colloid material, solution ionic strength, and chemical composition. A second step involves injecting the optimized stable colloid suspension at a sufficiently high flow rate to move the colloids through the subsurface sediment, but not at such a high rate so as to induce resuspending indigenous soil particles in the aquifer. While injecting the stable colloid suspension, a withdrawal well may be used to draw the injected colloids in a direction perpendicular to the flow path of a contaminant plume. The withdrawal well, may then be used as an injection well, and a third well, in line with the first two wells, may then be used as a withdrawal well, thereby increasing the length of the colloid barrier. This process would continue until emplacement of the colloid barrier is complete.
    • 通过将固体颗粒或胶体的悬浮液注入地下形成化学屏障。 首先,制备稳定的胶体悬浮液,其包括表面活性剂和非牛顿流体。 这种稳定的胶体悬浮液的特征在于胶体浓度,胶体尺寸,胶体材料,溶液离子强度和化学成分。 第二步包括以足够高的流速将优化的稳定胶体悬浮液注入,以使胶体通过地下沉积物而不是以如此高的速率移动,以便引起土壤中含水层的重新悬浮。 在注入稳定的胶体悬浮液的同时,可以使用取出孔沿垂直于污染物羽流的流动通道的方向吸引注入的胶体。 然后将抽出井用作注入井,然后可以将与前两个井相一致的第三井用作抽出井,从而增加胶体壁的长度。 该过程将持续到胶体屏障的放置完成。
    • 4. 发明授权
    • Method of removing oxidized contaminants from water
    • 从水中除去氧化污染物的方法
    • US5783088A
    • 1998-07-21
    • US554144
    • 1995-11-06
    • James E. AmonetteJonathan S. FruchterYuri A. GorbyCharles R. ColeKirk J. CantrellDaniel I. Kaplan
    • James E. AmonetteJonathan S. FruchterYuri A. GorbyCharles R. ColeKirk J. CantrellDaniel I. Kaplan
    • B09C1/00B09C1/08B09C1/10C02F1/28
    • B09C1/10B09C1/002B09C1/08
    • The present invention is a method for removing oxidized contaminant(s) from water. More specifically, the invention has the steps of contacting water containing the oxidized contaminant(s) with a layered aluminosilicate having Fe(II). The aluminosilicate may contain naturally occurring Fe(II), or the Fe(II) may be produced by reducing Fe(III) that is initially present. Reduction may be either by exposure to a chemical or biological reductant. Contacting the water containing oxidized contaminant(s) may be by (1) injection of Fe(II)-containing layered aluminosilicate, via a well, into a saturated zone where it is likely to intercept the contaminated water; (2) injection of contaminated water into a vessel containing the Fe(II)-bearing layered aluminosilicate; and (3) first reducing Fe(III) in the layered aluminosilicate to Fe(II) by injection of a biological or chemical reductant, into an aquifer or vessel having sufficient Fe(III)-bearing aluminosilicate to produce the necessary Fe(II).
    • 本发明是从水中除去氧化污染物的方法。 更具体地,本发明具有使含有氧化污染物的水与具有Fe(II)的层状硅铝酸盐接触的步骤。 硅铝酸盐可以含有天然存在的Fe(II),或者Fe(II)可以通过还原初始存在的Fe(III)来制备。 减少可能是通过暴露于化学或生物还原剂。 与含有氧化污染物的水接触可能是(1)通过井将含Fe(II)的层状硅铝酸盐注入到可能拦截污染水的饱和区域; (2)将污染水注入含有Fe(II)的层状硅铝酸盐的容器中; 和(3)通过注入生物或化学还原剂将层状铝硅酸盐中的Fe(III)首先还原成具有足够Fe(III)的硅铝酸盐的含水层或容器以产生必需的Fe(II) 。