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    • 81. 发明申请
    • Process for decontamination of ballast pitch material
    • 镇流器沥青材料去污工艺
    • US20030036672A1
    • 2003-02-20
    • US09923798
    • 2001-08-08
    • Luciano A. GonzalezBlair F. SimHenry E. KowalykJames D. Harcus
    • A62D003/00
    • A62D3/34A62D2101/22C10G21/006
    • A two step process for destruction of polyhalogenated aromatic compounds contained in pitch from ballasts of fluorescent lamps comprises: (a) contacting the pitch with a sufficient amount of an organic solvent such that the pitch and the solvent together form a liquid phase in which the polyhalogenated aromatic compounds are dissolved; and (b) chemically destroying the polyhalogenated aromatic compounds in the liquid phase. In preferred embodiments of the process, the solvent comprises mineral oil and the polyhalogenated aromatic compounds comprise polychlorinated biphenyls. Chemical destruction of the polyhalogenated aromatic compounds preferably comprises treatment with an alkali metal dispersion, preferably sodium metal in mineral oil.
    • 用于销毁荧光灯镇流器的沥青中的多卤代芳族化合物的两步法包括:(a)使沥青与足够量的有机溶剂接触,使得沥青和溶剂一起形成液相,其中多卤化 芳香族化合物溶解; 和(b)化学破坏液相中的多卤代芳族化合物。 在该方法的优选实施方案中,溶剂包括矿物油,多卤代芳族化合物包括多氯联苯。 多卤代芳族化合物的化学破坏优选包括用碱金属分散体,优选矿物油中的金属钠处理。
    • 83. 发明申请
    • Treatment of electric arc furnace dust to resist acid and alkaline leaching of heavy metals
    • 处理电弧炉灰尘以抵抗重金属的酸碱浸出
    • US20030023128A1
    • 2003-01-30
    • US09848930
    • 2001-05-04
    • Charles L. Smith
    • A62D003/00
    • A62D3/33A62D2101/08A62D2101/24
    • A supplemental agent for a hazardous waste composition containing electric arc furnace dust (EAFD) includes potassium magnesium sulfate or a magnesium salt such as magnesium sulfate or magnesium chloride. The supplemental agent when mixed with EAFD and water, along with lime either lime inherent within the EAFD or added lime, reduces the leaching of heavy metals from the waste composition over a wide range of leaching conditions, including both acidic, neutral, and alkaline environments. The method for reducing the concentration of heavy metals in a leachate from the EAFD involves forming a mixture of EAFD, water, the supplemental agent, and, optionally, ferrous sulfate, along with lime, then permitting the mixture to react.
    • 含有电弧炉灰尘(EAFD)的危险废物组合物的补充剂包括硫酸镁钾或镁盐如硫酸镁或氯化镁。 当与EAFD和水以及石灰混合时,补充剂与EAFD或添加的石灰中固有的石灰一起减少了在广泛的浸出条件(包括酸性,中性和碱性环境)下从废弃物组合物中浸出重金属 。 从EAFD中降低渗滤液中重金属浓度的方法包括与石灰一起形成EAFD,水,补充剂和任选的硫酸亚铁的混合物,然后允许混合物反应。
    • 86. 发明申请
    • AVS melting process
    • AVS熔化工艺
    • US20020165422A1
    • 2002-11-07
    • US10063460
    • 2002-04-25
    • Radioactive Isolation Consortium, LLC
    • James R. PowellMorris Reich
    • A62D003/00
    • G21F9/305B09B3/0075C03B5/005C03B5/021C03B5/08G21F9/308Y02P40/52
    • The AVS Melting Process is a process for vitrification of waste in a disposable canister. In the process, waste is dropped into the disposable canister from the top. While the waste is being dropped into the disposable canister, radiant energy is added to the space above the waste in the canister, such that the temperature of the gaseous atmosphere above the waste is higher than the melting point of the waste. Since only the space above the waste in the canister is heated, the temperature of the melt decreases with increasing depth of the waste in the canister. The decreasing temperature permits a small surface melt volume to be maintained and solidified product to form with increasing depth. The process continues until the disposable canister is filled, then all heating is stopped and the disposable canister allowed to cool to ambient temperature.
    • AVS熔化过程是一次性罐中废物玻璃化的过程。 在此过程中,垃圾从顶部落入一次性罐中。 当废物被丢弃到一次性罐中时,辐射能量被添加到罐中的废物上方的空间中,使得废物上方的气态气体的温度高于废物的熔点。 由于只有罐中的废物上方的空间被加热,熔体的温度随着罐中废物的深度的增加而减小。 降低的温度允许保持小的表面熔融体积并且随着深度增加而形成固化的产品。 该过程一直持续到一次性罐被填充,然后停止所有加热并且一次性罐被允许冷却至环境温度。
    • 87. 发明申请
    • PROCESS FOR THE NON-INCINERATION DECONTAMINATION OF MATERIALS CONTAINING HAZARDOUS AGENTS
    • 含有危险物质的材料的非焚烧去除的方法
    • US20020137980A1
    • 2002-09-26
    • US09781818
    • 2001-02-12
    • John A. ScottJames D. Osterloh
    • A62D003/00
    • A62D3/20A62D3/38A62D2101/02A62D2203/02
    • A process for the low temperature, non-incineration decontamination of contaminated materials, such as chemical weapon components containing residual quantities of chemical warfare agents. The process includes the steps of (a) contacting the contaminated materials with steam at substantially ambient pressure in a substantially dry first heated vessel for a period of at least about 15 minutes, the steam being at a temperature of at least about 560null C., (b) removing condensible and non-condensible gases from the first heated vessel and heating them in a second vessel at substantially ambient pressures to temperatures of at least about 500null C. for a period of at least about one second in an atmosphere containing steam in a concentration greater than about 250% of stoichiometry, and (c) catalytically treating non-condensible gases from the second vessel in the presence of oxygen so as to reduce the concentration of chemical warfare agents to less than about 1.0 mg/m3 at standard temperature and pressure.
    • 一种对受污染物质进行低温,非焚烧净化的过程,如含有剩余量的化学战剂的化学武器成分。 该方法包括以下步骤:(a)将基本环境压力下的受污染物质与基本上干燥的第一加热容器中的蒸汽接触至少约15分钟,蒸汽处于至少约560℃的温度。 ,(b)从第一加热容器中除去可冷凝和不可冷凝的气体,并将其在基本环境压力下在第二容器中加热至至少约500℃的温度至少约1秒的时间, 浓度大于化学计量的约250%的蒸汽,(c)在氧气存在下催化处理来自第二容器的不可冷凝气体,以便将化学战剂的浓度降低至小于约1.0mg / m 3 标准温度和压力。