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    • 5. 发明授权
    • Landfill bioreactor
    • 填埋生物反应器
    • US5984580A
    • 1999-11-16
    • US891673
    • 1997-07-11
    • Robert K. HamDaniel R. Viste
    • Robert K. HamDaniel R. Viste
    • B09B1/00B09B3/00C02F3/28
    • B09B1/00Y02E50/343Y02W30/35Y10S210/901
    • Disclosed is a method of producing a landfill and the landfill produced thereby wherein waste to be landfilled is comminuted to yield homogeneously-sized waste particles, mixed with liquid wastes such as waste water treatment sludges and the like, and then placed into a sanitary containment site with a leachate and gas collection system such that there is a uniform moisture distribution throughout the waste mass. Leachate collected from the waste mass is uniformly re-introduced into the waste mass so as to maintain the uniform moisture distribution. The landfill produced thereby maximizes anaerobic fermentation within the waste mass, thereby maximizing the production of valuable landfill gasses.
    • 公开了一种生产垃圾填埋场的方法和由此生产的垃圾填埋场,其中将填埋的废物粉碎以产生均匀大小的废物颗粒,与诸如废水处理污泥等的液体废物混合,然后置于卫生容纳场所 具有渗滤液和气体收集系统,使得整个废物质量均匀分布。 将从废料收集的渗滤液均匀地重新引入废料中,以保持均匀的水分分布。 所生产的垃圾填埋场最大限度地利用废物中的厌氧发酵,从而最大限度地提高宝贵的垃圾填埋气体的产量。
    • 10. 发明授权
    • Process for in situ biodegradation of hydrocarbon contaminated soil
    • 碳氢化合物污染土壤原位生物降解过程
    • US5017289A
    • 1991-05-21
    • US333048
    • 1989-04-03
    • Douglas L. ElyDavid A. Heffner
    • Douglas L. ElyDavid A. Heffner
    • B09C1/10C02F3/34
    • B09C1/10C02F3/34Y10S210/901
    • The present invention is a process for in situ biodegradation of spilled hydrocarbons. The process involves drawing oxygen into a hydrocarbon contaminated zone. A borehole is drilled into the contaminated zone and gas is evacuated at high rates out of the borehole to thereby draw oxygen from the earth's surface and through the contaminated zone. Surprisingly, the carbon dioxide concentration in the evacuated gas remains high even at the high flow rates. The rate of gas evacuation in the present process is maintained sufficiently high so that the hydrocarbon biodegradation rate is within at least 50% of the maximum hydrocarbon biodegradation within the zone. The process can be applied to both porous and nonporous soils having relatively low water and gas permeability.
    • 本发明是溢出的烃的原位生物降解方法。 该过程包括将氧气吸入碳氢化合物污染区域。 将钻孔钻入污染区域,气体以高速率排出井眼,从而从地球表面吸入氧气并通过污染区域。 令人惊讶的是,即使在高流量下,抽真空气体中的二氧化碳浓度也保持很高。 本方法中的气体排出速率保持足够高,使得烃生物降解速率在该区域内最大烃生物降解的至少50%之内。 该方法可以应用于具有相对低的水和气体渗透性的多孔和无孔土壤。