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    • 4. 发明授权
    • Enhancement of soil and groundwater remediation
    • 加强土壤和地下水的修复
    • US06265205B1
    • 2001-07-24
    • US09013729
    • 1998-01-27
    • G. Duncan HitchensDrahomira BrejchovaAlan J. CisarDalibor HodkoOliver J. Murphy
    • G. Duncan HitchensDrahomira BrejchovaAlan J. CisarDalibor HodkoOliver J. Murphy
    • C12S1300
    • C12P5/02B09C1/08B09C1/10Y02E50/343
    • This invention is a novel method for bioremediation of soil and ground water based on supplying hydrogen (H2) to naturally occurring anaerobic bacteria in the soil or ground water. These organisms use the hydrogen as an electron donor to perform adventitious chemical reactions including the dehalogenation of chlorinated organic compounds. The hydrogen can be supplied from a number of sources, including; stored hydrogen, hydrogen generated above ground on site, either electrochemically or by reforming a fuel source, or by electrolysis in the soil, either using an electric current supplied from above ground or an electric current generated by the corrosion of metal particles in the ground. For the last of these cases, a novel multi-metallic particle especially useful for the generation of hydrogen, and a method for making these particles, are disclosed.
    • 本发明是一种基于向土壤或地下水中的天然存在的厌氧细菌供应氢(H2)的土壤和地下水生物修复的新方法。 这些生物体使用氢作为电子给体来进行不定期的化学反应,包括氯化有机化合物的脱卤。 氢可以从许多来源提供,包括: 储存的氢气,现场地面上产生的氢气,电化学或通过燃料源重整,或通过土壤中的电解,使用从地面提供的电流或由地下金属颗粒的腐蚀产生的电流。 对于这些情况中的最后一种,公开了特别可用于产生氢的新型多金属颗粒和制造这些颗粒的方法。