Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing
Reexamination Certificate
2004-07-28
2009-02-10
Langel, Wayne (Department: 1793)
Chemistry of inorganic compounds
Oxygen or compound thereof
Metal containing
C423S593100, C423S594100, C423S594200, C423S594300, C423S594400, C423S594500, C423S594600, C423S595000, C423S596000, C423S598000, C423S599000, C423S600000, C423S594140, C423S594150, C423S594160, C423S604000, C423S605000, C423S606000, C423S607000, C423S608000, C423S622000, C423S624000, C423S625000, C423S632000, C423S633000, C423S635000, C423S636000, C423S641000, C423S594180, C423S594190, C502S514000
Reexamination Certificate
active
07488464
ABSTRACT:
Methods and systems for processing metal oxides from metal containing solutions. Metal containing solutions are mixed with heated aqueous oxidizing solutions and processed in a continuous process reactor or batch processing system. Combinations of temperature, pressure, molarity, Eh value, and pH value of the mixed solution are monitored and adjusted so as to maintain solution conditions within a desired stability area during processing. This results in metal oxides having high or increased pollutant loading capacities and/or oxidation states. These metal oxides may be processed according to the invention to produce co-precipitated oxides of two or more metals, metal oxides incorporating foreign cations, metal oxides precipitated on active and inactive substrates, or combinations of any or all of these forms. Metal oxides thus produced are, amongst other uses; suitable for use as a sorbent for capturing or removing target pollutants from industrial gas streams or drinking water or aqueous streams or for personal protective respirators.
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Boren Richard M.
Hammel Charles F.
EnviroScrub Technologies Corporation
Fredrikson & Byron PA
Langel Wayne
Martinez Brittany M
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