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    • 2. 发明授权
    • Methods for purification of air
    • 净化空气的方法
    • US5207877A
    • 1993-05-04
    • US670885
    • 1991-03-18
    • Norman L. WeinbergJohn D. GendersAlfred O. Minklei
    • Norman L. WeinbergJohn D. GendersAlfred O. Minklei
    • B01D53/32B01D53/34C02F1/467
    • B01D53/34B01D53/326C02F1/4672
    • Air polluted with potentially harmful chemical and biological matter is purified and pollutants degraded to less hazardous substances by a combined chemical and electrochemical process. Scrubber liquid-electrolyte circulated between scrubber and electrolyzer zones containing an electrochemically renewable degradant complexes or oxidizes the pollutants with the aid of an electrochemical cell in the electrolyzer zone which also reactivates the degradant in the scrubber liquid for recycling. Adsorption of insoluble organics is enhanced by stable surfactant additives to the scrubber liquid-electrolyte. Surprisingly, the electrochemical cell performs efficiently without separators or membranes when the non-working cathodes comprise Magneli phase substoichiometric titanium oxides which preferentially generate hydrogen instead of reducing redox couples to their inactive lower valence state.
    • 被潜在有害的化学和生物物质污染的空气被净化,污染物通过组合的化学和电化学过程降解为较少的有害物质。 在洗涤器和电解槽区域之间循环的洗涤液体 - 电解质,其含有电化学上可再生的降解物络合物,或者借助于电解槽区域中的电化学电池来氧化污染物,其还使洗涤器液体中的降解物再次反应以进行再循环。 对洗涤液液 - 电解质的稳定的表面活性剂添加剂增强了不溶性有机物的吸附。 令人惊奇的是,当非工作阴极包含优先产生氢而不是将氧化还原对降低至其无效低价态的Magneli相亚化学计量钛氧化物时,电化学电池高效地执行而没有隔膜或膜。
    • 7. 发明授权
    • Methods of producing hydrogen iodide electrochemically
    • 电化学生产碘化碘的方法
    • US5520793A
    • 1996-05-28
    • US415700
    • 1995-04-03
    • J. David GendersNorman L. WeinbergDan M. Hartsough
    • J. David GendersNorman L. WeinbergDan M. Hartsough
    • C25B1/24C25B1/00
    • C25B1/24
    • Improved electrochemical processes for producing high purity grades of hydrogen iodide without developing cell fouling iodine solids through oxidation of iodide at the anode back migrating through ion exchange membrane into anolyte compartment. Two and three compartment electrochemical cells have anolyte solutions with chemical agents for oxidizing back migrating iodides to soluble iodine species to avoid build up of iodine solids on key cell components. Other embodiments include processes with undivided electrochemical cells fitted with hydrogen depolarized anodes, optionally operating electrogeneratively producing at least some of its own power requirements while simultaneously producing HI, or processes of making high purity HI with multi-phase aqueous/non-aqueous anolytes for solubilizing iodine solids as they develop in the anolyte compartment.
    • 改进用于生产高纯度等级的碘化氢的电化学方法,而不会通过在阳极处的碘化物氧化反过来通过离子交换膜迁移到阳极电解液室中来发展细胞污染碘固体。 两个和三个隔室电化学电池具有阳极电解液,其具有用于氧化回迁移碘化物到可溶性碘物质的化学试剂,以避免在关键细胞组分上积聚碘固体。 其他实施方案包括具有装配有氢去极化阳极的未分离的电化学电池的方法,任选地在电生产下产生其自身功率需求的至少一部分同时产生HI,或用多相水/非水性阳极电解液制备高纯度HI的方法用于溶解 碘固体,因为它们在阳极电解液室中形成。
    • 10. 发明授权
    • Solid state gas sensor and filter assembly
    • 固态气体传感器和过滤器组件
    • US5841021A
    • 1998-11-24
    • US523687
    • 1995-09-05
    • Emory S. De CastroJ. David GendersNorman L. Weinberg
    • Emory S. De CastroJ. David GendersNorman L. Weinberg
    • G01N27/416G01N27/16B32B5/00H01L7/00
    • G01N27/4162
    • An electrochemical gas sensor is provided, the use of which permits quantitative measurement of volatile gas contaminants in an atmosphere being monitored, generally at ambient temperatures below 100.degree. C. The sensor is constructed of a sensor electrode and a reference electrode on a separator in such a manner as to be exposed to the atmosphere which is sensed for gaseous contaminants. In an alternative embodiment, the sensors can be covered with a selective filter which will selectively allow only small molecule toxic gases to pass for sensing by the sensor electrode while excluding larger interfering gas molecules. In another alternative embodiment, a multiple layer electrochemical gas sensor detects the presence of volatile gas contaminants in a sample gas as well as humidity, temperature, and/or pressure of the gas sample.
    • 提供了一种电化学气体传感器,其使用允许定期测量正在监测的气氛中的挥发性气体污染物,通常在低于100℃的环境温度下。传感器由传感器电极和分离器上的参考电极构成 一种暴露于被气体污染物检测到的气氛的方式。 在替代实施例中,传感器可以被选择性过滤器覆盖,选择性过滤器将选择性地仅允许小分子有毒气体通过传感器电极进行感测,同时排除较大的干扰气体分子。 在另一替代实施例中,多层电化学气体传感器检测样品气体中挥发性气体污染物的存在以及气体样品的湿度,温度和/或压力。