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    • 19. 发明授权
    • Microporous diffusion apparatus
    • 微孔扩散仪
    • US06872318B2
    • 2005-03-29
    • US09943111
    • 2001-08-30
    • William B. Kerfoot
    • William B. Kerfoot
    • B01F3/04B09C1/00B09C1/08B09C1/10C02F3/22E21B43/00C02F1/72
    • C02F1/78B01F3/04262B01F2003/04319B01F2003/04858B01F2003/04886B01F2215/0052B09C1/00B09C1/002B09C1/08B09C1/10B09C2101/00C02F3/226C02F2103/06E21B43/00Y02W10/15Y10S210/908Y10S210/909
    • Apparatus for active in situ multi-element gas sparging for bioremediation or physico-chemical degration for removal of contaminants in a soil formation containing a subsurface groundwater aquifer or a substantially wet unsaturated zone, the multi-gas contained in bubbles, wherein the apparatus includes a plurality of injection wells extending to a depth of a selected aquifer; introducing an oxidizing agent comprising ozone mixed with ambient air to provide a multi-element gas by means of microporous diffusers, without applying a vacuum for extraction of stripped products or biodegration by-products, wherein said diffusers form micro-fine bubbles containing said multi-element gas that oxidizes, by stripping and decomposition, chlorinated hydrocarbons from the aquifer and surrounding saturated soil formation into harmless by-products; also including a pump for agitating water in the well selecting microbubbles, injecting them into the aquifer and effective to alter the path of micro-fine bubbles through a porous solid formation whereby enhanced contact between the oxidizing agent contained in each said bubble by stripping pollutant from solution in ambient water into the mini-atmosphere of each bubble effective to increase the efficiency and speed of remediation of a site.
    • 用于活性原位多元素气体喷射用于生物修复或物理化学降解的装置,用于去除含有地下水含水层或基本上湿的不饱和区域的土壤中的污染物,所述多气体包含在气泡中,其中所述装置包括 多个注入井延伸到所选含水层的深度; 引入包含与环境空气混合的臭氧的氧化剂,以通过微孔扩散器提供多元素气体,而不施加用于提取剥离产物或生物降解副产物的真空,其中所述扩散器形成含有所述多孔扩散器的微细气泡, 通过汽提和分解氧化碳氢化合物从含水层和周围的饱和土壤形成氧化成无害的副产物; 还包括用于在选择性良好的微泡中搅拌水的泵,将其注入含水层中并有效地通过多孔固体形成改变微细气泡的路径,由此通过从每个所述气泡中除去污染物从而增加每个所述气泡中包含的氧化剂的接触 环境水中的溶液进入每个气泡的微小气氛,有效提高了场地修复的效率和速度。
    • 20. 发明授权
    • Integrating corrosion monitor
    • 集成腐蚀监测仪
    • US4270922A
    • 1981-06-02
    • US098874
    • 1979-11-30
    • William B. Kerfoot
    • William B. Kerfoot
    • G01N17/00
    • G01N17/00Y10T436/25375
    • This disclosure relates to a method of and apparatus for determining the corrosion rate of metal by liquid flowing in a metallic pipe system by continuously bleeding off upstream and downstream liquid portions from a metallic pipe at predetermined rates for predetermined time periods and filtering therefrom both heavy metals and particulate metals, determining the rate of solution corrosion and cavitation-erosion of the metal from the amount of heavy metals and particulate metals, respectively, filtered from the upstream and downstream bled-off liquid portions, and integrating the difference between the upstream and downsteam determinations to obtain the corrosion rate of the metallic pipe system.
    • 本公开涉及一种用于通过在金属管系统中流动的液体来确定金属的腐蚀速率的方法和装置,其以预定的速率从金属管连续排出上游和下游液体部分预定的时间段,并从其中过滤重金属 和颗粒金属,分别从上游和下游排出液体部分过滤的重金属和颗粒金属的量确定金属的溶液腐蚀速率和气蚀侵蚀速率,以及将上游和下游之间的差异 确定金属管道系统的腐蚀速率。