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    • 3. 发明申请
    • Soil decontamination method and apparatus for river bottoms
    • 河底污染土壤去污方法及装置
    • US20040181112A1
    • 2004-09-16
    • US10383747
    • 2003-03-10
    • Joseph Essenter
    • A62D003/00
    • B09C1/08Y10S588/90
    • A system and apparatus is provided for the decontamination of river bottoms. The system makes use of a barge, which is passed over the soil that needs to be decontaminated. The barge carries a high intensity laser, such as a 2,000 kW excimer YAG laser. The output of the laser is directed into a plurality of fiber optic cables. These fiber optic cables extend from the laser all the way down to the bottom of the river. The fiber optic cables direct the high intensity laser beams at the bottom of the river. The laser light reacts with the PCBs in the soil and breaks down and dissociates the chemicals into harmless by-products. Additionally, UV light emitters can also be attached to the fiber optic cables, near the river bottom, to assist in the PCB decontamination process.
    • 提供了一种用于河底净化的系统和装置。 该系统利用驳船,该驳船通过需要去污的土壤。 驳船携带高强度激光器,例如2,000 kW准分子YAG激光器。 激光器的输出被引导到多个光纤电缆中。 这些光纤电缆从激光一直延伸到河底。 光纤电缆将高强度激光束引导到河底。 激光与土壤中的PCBs发生反应,分解并将化学物质分解成无害副产物。 另外,紫外线发射器也可以连接到靠近河底的光纤电缆,以协助PCB去污过程。
    • 5. 发明申请
    • Method for stabilizing chromium-contaminated materials
    • 稳定铬污染材料的方法
    • US20040126189A1
    • 2004-07-01
    • US10624826
    • 2003-07-22
    • Ajit K. Chowdhury
    • B09C001/08G21F009/00A62D003/00B01D001/00C02F007/00
    • A62D3/37A62D2101/43B09C1/002B09C1/08B09C2101/00C02F2101/22C02F2103/06
    • A cost-effective, long-term, permanent method for stabilizing chromium in a chromium-contaminated waste matrix characterized by high concentrations of alkaline material (such as lime) includes the steps of contacting a source of hexavalent chromium with a source of ferrous ions to produce ferric ions; oxidizing iron pyrite to produce ferrous sulfate and sulfuric acid; and contacting the alkaline chromium-contaminated particulate matter with the ferrous sulfate and the sulfuric acid for a time sufficient to convert ferrous sulfate into ferric sulfate and to reduce mobile hexavalent chromium to non-leachable trivalent chromium. The method is integrated in that ferrous sulfate produced by oxidizing iron pyrite serves as a source of ferrous ions in the first contacting step. Optionally, ferric ions can be generated in a side reactor and then used to produce ferrous ions. The ferrous ions can be used both to produce further ferric ions in the side reactor and to treat COPR waste.
    • 以高浓度碱性物质(如石灰)为特征的铬污染废物基质中稳定铬的成本效益,长期,永久的方法包括将六价铬源与亚铁离子源接触的步骤 产生铁离子; 氧化铁黄铁矿产生硫酸亚铁和硫酸; 并将碱性铬污染的颗粒物质与硫酸亚铁和硫酸接触足以将硫酸亚铁转化成硫酸铁并将可移动的六价铬还原成不可浸出的三价铬的时间。 该方法集成在通过氧化铁黄铁矿在第一接触步骤中作为亚铁离子源产生的硫酸亚铁中。 任选地,铁离子可以在侧反应器中产生,然后用于产生亚铁离子。 亚铁离子可用于在侧反应器中产生进一步的铁离子并处理COPR废物。
    • 7. 发明申请
    • Zero ground disturbance system
    • 零地面扰动系统
    • US20040120769A1
    • 2004-06-24
    • US10723853
    • 2003-11-26
    • Donald J. SiglinDavid A. Ver SteegCharles L. HammondGary D. SeebaKeith M. PolzinGary L. Hoover
    • E02B013/00E02B007/20A62D003/00
    • B65D90/24
    • A zero ground disturbance dike apparatus and method for the secondary containment of harmful chemicals that are stored in primary storage vessels, wherein the dike apparatus does not require the drilling of postholes or the setting of support posts in concrete. Sections of dike walls are attached to bracing assemblies, each bracing assembly being comprised of a brace and a base plate. Braces are configured to support the assembled wall sections and to provide resistance against the outwardly force exerted by material that is released from the primary storage vessel. Base plates attached to the braces assist in resisting bending moments that may be created about the base of the dike apparatus. The brace assembly also preferably includes at least one base support channel for additional base plate stiffness and support cables to further resist the outwardly forces exerted against the dike apparatus by said released materials.
    • 用于二次容纳存储在初级储存容器中的有害化学物质的零地面干扰堤防装置和方法,其中堤防装置不需要钻孔或在混凝土中设置支柱。 堤防壁的部分连接到支撑组件,每个支撑组件由支架和底板组成。 支架被构造成支撑组装的壁部分并且提供抵抗由从主存储容器释放的材料施加的向外的力的阻力。 连接到支架的基板有助于抵抗围绕堤防设备的底部产生的弯曲力矩。 支架组件还优选地包括至少一个基部支撑通道,用于附加的基板刚度和支撑电缆,以进一步抵抗由所述释放的材料施加在堤防设备上的向外的力。