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Browse by Category: Main > Chemistry
Class Information
Number: 423/142
Name: Chemistry of inorganic compounds > Treating mixture to obtain metal containing compound > Iron group metal (fe, co, or ni) > Forming insoluble substance in liquid > Agitating during reaction
Description: Processes wherein the mixture is agitated or vibrated while a chemical reaction is taking place.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8603420 Galvanic waste sludge treatment and manufacturing of nano-sized iron oxides Dec. 10, 2013
8585993 Method for regenerating amorphous iron oxide hydroxide and desulfurizer containing amorphous iron oxide hydroxide as active component Nov. 19, 2013
8337805 Method for preparing magnetite nanoparticles from low-grade iron ore and magnetite nanoparticles prepared by the same Dec. 25, 2012
8287827 Process for the hydrometallurgical treatment of a lateritic nickel/cobalt ore and process for producing nickel and/or cobalt intermediate concentrates or commercial products using it Oct. 16, 2012
8241594 Processes for extracting aluminum and iron from aluminous ores Aug. 14, 2012
8211389 Metal scavenging polymers and uses thereof Jul. 3, 2012
8062620 Catalytic process for the conversion of Co (II)hydroxide in Co (III)oxidehydroxide Nov. 22, 2011
8038979 Metal oxide nano powder and manufacturing method of the same Oct. 18, 2011
7998452 Spherical tricobalt tetraoxide and method of preparing the same Aug. 16, 2011
7964165 Separation method for zinc sulfide Jun. 21, 2011
7922917 Porous ferro- or ferrimagnetic glass particles for isolating molecules Apr. 12, 2011
7914756 Double replacement cation neutralization of high alkalinity waste materials Mar. 29, 2011
7910085 Process for production of iron oxyhydroxide particles Mar. 22, 2011
7871584 Consecutive or simultaneous leaching of nickel and cobalt containing ores Jan. 18, 2011
7837961 Processes for extracting aluminum and iron from aluminous ores Nov. 23, 2010
7601314 Reductive ammoniacal leaching of nickel and cobalt bearing materials Oct. 13, 2009
7563421 Hydrometallurgical process of nickel oxide ore Jul. 21, 2009
7470647 Nickel oxide nanoparticles as catalyst precursor for hydrogen production Dec. 30, 2008
7294319 Method for precipitating iron from a zinc sulphate solution as hematite Nov. 13, 2007
7144561 Method for the preparation of iron hydroxide, iron oxide hydrate or iron oxide from filter salts of dilute acid recovery Dec. 5, 2006
7141227 Apparatus and method for preparing cerium oxide nanoparticles Nov. 28, 2006
6949232 Producing cobalt (III) hexammine sulfate from nickel cobalt sulfides Sep. 27, 2005
6811758 Precipitation process Nov. 2, 2004
6800396 Nickel hydroxide coated with cobaltous hydroxide Oct. 5, 2004
6800260 Processes for treating iron-containing waste streams Oct. 5, 2004
6767529 Process for producing magnetite particles Jul. 27, 2004
6680035 Atmospheric leach process for the recovery of nickel and cobalt from limonite and saprolite ores Jan. 20, 2004
6596246 Process for producing stable cupric hydroxide and basic cupric salts Jul. 22, 2003
6576205 Method for reducing the crystallinity of nickel hydroxide powders Jun. 10, 2003
6447650 Manufacturing method of CdS photocatalyst for hydrogen production and method for producing hydrogen by use of the same Sep. 10, 2002
6379637 Direct atmospheric leaching of highly-serpentinized saprolitic nickel laterite ores with sulphuric acid Apr. 30, 2002
6270738 Process for preparing usable products from an impure ferric sulfate solution Aug. 7, 2001
6139753 Method for treating acidic waste water Oct. 31, 2000
5746994 Method for synthesizing ferrate and ferrate produced thereby May. 5, 1998
5376342 Process for recovering zinc phosphating make-up feed from zinc phosphate sludge Dec. 27, 1994
5128047 Sequential separation of metals by controlled pH precipitation Jul. 7, 1992
5032367 Method for producing powdered iron oxide Jul. 16, 1991
4943418 Method of preparing high-purity manganese compounds Jul. 24, 1990
4872909 Process for acid leaching of manganese oxide ores aided by hydrogen peroxide Oct. 10, 1989
4830836 Metal stripping system and an operation process therefor May. 16, 1989
4594230 Recovery of cobalt Jun. 10, 1986
4572797 Method for removing trace pollutants from aqueous solutions Feb. 25, 1986
4229399 Process for pelletizing and neutralizing solid mixtures of metal chlorides Oct. 21, 1980
4208380 Process for the recovery of cobalt from its impure, aqueous, in particular nickel-bearing, solutions and catalyst therefor Jun. 17, 1980
4186088 Aqueous ferrous waste conversion process Jan. 29, 1980
4169053 Method of treating waste waters containing solid-phase difficultly-soluble compounds Sep. 25, 1979
4118459 Chemically removing iron from grits Oct. 3, 1978
4098870 Acid leaching of nickeliferous oxide ores with minimized scaling Jul. 4, 1978
4057616 Metal hydroxide scintigraphic agents and method of preparation Nov. 8, 1977
4044096 Sulfuric acid leaching of nickeliferous laterite Aug. 23, 1977

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