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    • 3. 发明授权
    • In-situ generation of oxygen-releasing metal peroxides
    • 释放氧气的金属过氧化物的原位生成
    • US07160471B2
    • 2007-01-09
    • US10976089
    • 2004-10-27
    • Brian B. LooneyMiles E. Denham
    • Brian B. LooneyMiles E. Denham
    • B09C1/08C02F1/72
    • B09C1/08B09C1/002B09C1/02B09C1/10
    • A method for remediation of contaminants in soil and groundwater is disclosed. The method generates oxygen releasing solids in groundwater or soil by injecting an aqueous energetic oxidant solution containing free radicals, oxidative conditions can be created within or ahead of a contaminant plume. Some contaminants may be remediated directly by reaction with the free radicals. Additionally and more importantly, the free radicals create an oxidative condition whereby native or injected materials, especially metals, are converted to peroxides. These peroxides provide a long-term oxygen reservoir, releasing oxygen relatively slowly over time. The oxygen can enhance microbial metabolism to remediate contaminants, can react with contaminant metals either to form immobile precipitants or to mobilize other metals to permit remediation through leaching techniques. Various injection strategies for injecting the energetic oxidant solution are also disclosed.
    • 公开了一种补救土壤和地下水中污染物的方法。 该方法通过注入含有自由基的含水能量氧化剂溶液在地下水或土壤中产生释放氧的固体,可以在污染物羽流内或之前产生氧化条件。 一些污染物可以通过与自由基的反应直接补救。 另外且更重要的是,自由基产生氧化条件,其中将天然或注入的材料,特别是金属转化为过氧化物。 这些过氧化物提供长期的氧气储存器,随着时间的推移释放氧气相对较慢。 氧气可以增强微生物代谢以修复污染物,可以与污染金属反应形成固定的沉淀剂或调动其他金属,以允许通过浸出技术进行修复。 还公开了用于注入高能氧化剂溶液的各种注入策略。