| Patents for C01F 11 - Compounds of calcium, strontium, or barium (8,019) |
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| 03/30/2011 | CN1989073B Process for producing caco3 or mgco3 |
| 03/30/2011 | CN101994153A Method for preparing modified calcium sulfate whisker by using desulfurization gypsum |
| 03/30/2011 | CN101993107A Method for preparing micronic barium sulfate and co-generating alkali sulfide and industrial salt from barium sulfate waste slag |
| 03/30/2011 | CN101993106A Method for preparing barium nitrate from barium sulfide waste slag for coproducing akali sulfide |
| 03/30/2011 | CN101993105A Method for preparing light calcium carbonate and co-producing ammonium sulfate from phosphogypsum |
| 03/30/2011 | CN101993104A Novel method for producing superfine calcium carbonate by using carbide slag as raw material |
| 03/29/2011 | US7914756 Double replacement cation neutralization of high alkalinity waste materials |
| 03/24/2011 | WO2011033119A2 Coarse pigment addition and high solids slurries for higher coating colour concentrations |
| 03/24/2011 | CA2774481A1 Coarse pigment addition and high solids slurries for higher coating colour concentrations |
| 03/23/2011 | EP2296786A1 Gas separation process |
| 03/23/2011 | CN101990520A Method of purifying gypsum |
| 03/23/2011 | CN101987926A Method for preparing nano-level active calcium carbonate for rubber and plastic |
| 03/23/2011 | CN101987744A Method for preparing precipitated barium sulfate and co-producing strontium sulfate by using barium sulphide residues |
| 03/23/2011 | CN101987743A Method for co-producing strontium sulfate and sodium sulphide while preparing superfine barium sulfate from barium sulfide waste slag |
| 03/23/2011 | CN101987742A Method for preparing precipitated barium sulfate and co-producing sodium sulphide by using waste residue of barium sulphide |
| 03/23/2011 | CN101987741A Method for coproducing sodium sulphide and industrial salts while preparing precipitated barium sulfate from barium sulfide waste slag |
| 03/23/2011 | CN101987740A Method for preparing strontium carbonate and co-producing calcium sulfate and industrial salt by using filter cake strontium sulfate |
| 03/23/2011 | CN101987739A Method for preparing calcium carbonate and sodium sulfide from sodium sulfide waste residues |
| 03/23/2011 | CN101987738A Method for preparing barium carbonate with co-production of sodium sulphide and industrial salt from waste barium sulphide slags |
| 03/23/2011 | CN101987737A Method for preparing spectrum pure calcium carbonate |
| 03/23/2011 | CN101987736A Preparation method of high-purity strontium carbonate |
| 03/23/2011 | CN101987734A Magnesite carbonization method for producing magnesium hydroxide and calcium carbonate product |
| 03/23/2011 | CN101987732A Method for co-producing calcium carbonate and sodium sulfide in preparation of sodium hydroxide from alcali sulphide slag |
| 03/23/2011 | CN101006013B Strontium carbonate dispersion and redispersible powder obtained therefrom |
| 03/17/2011 | US20110064829 Persistent and fast acting antiseptics and disinfectants based on calcium fluoride |
| 03/16/2011 | EP2294233A2 Method of producing calcium carbonate from waste and byproducts |
| 03/16/2011 | CN101985426A Method for treating glyphosate mother solution |
| 03/16/2011 | CN101985361A Material circulating system formed by petrochemistry zinc slag and hydrochloric acid |
| 03/16/2011 | CN101985073A Vacuum dehydration system and method for gypsum slurry |
| 03/16/2011 | CN101508447B Method for processing phosphogypsum |
| 03/09/2011 | EP2291232A1 Method for dissolving carbon dioxide from flue or other gas and for neutralizing the solution obtained |
| 03/09/2011 | EP1539337B2 Method for producing aqueous suspensions of mineral fillers |
| 03/09/2011 | CN101983924A Method for preparing calcium carbonate with controllable topography by using calcium sulfate |
| 03/09/2011 | CN101983916A Method for production of calcium chlorate and coproduction of ultra-fine calcium carbonate and sodium chloride by using acetylene sludge |
| 03/09/2011 | CN101983747A Solid-liquid separation and collection device for byproducts |
| 03/08/2011 | US7901658 Chemically stable solid lithium ion conductor |
| 03/03/2011 | US20110054084 Hydraulic cements comprising carbonate compound compositions |
| 03/02/2011 | EP2289850A1 Vacuum dehydrating system and dehydrating method for gypsum slurry |
| 03/02/2011 | EP2288576A2 Device for releasing ammonia |
| 03/02/2011 | CN201753270U Precisely controlled reactor for strontium hydroxide and magnesium chloride sedimentation |
| 03/02/2011 | CN101456577B Liquid solid separation method for processing gypsum serum |
| 03/01/2011 | US7897134 System and method for calcining gypsum |
| 02/24/2011 | WO2010132779A3 Particulate matter and methods of obtaining same from a kraft waste reclamation |
| 02/24/2011 | US20110044883 Method of purifying gypsum |
| 02/23/2011 | EP2285911A1 Process for the production of a storage-stable barium sulphate having good dispersibility |
| 02/22/2011 | US7892599 Surface treatment; prewashing, stabilization; heating |
| 02/16/2011 | CN201746339U Cooling device for carbonization reaction tower |
| 02/16/2011 | CN101973568A Comprehensive utilization method of gypsum containing fluorine and fluosilicic acid as byproduct of phosphatic fertilizer |
| 02/16/2011 | CN101972597A Method for preparing calcium sulfite by utilizing sulfur dioxide waste gas |
| 02/16/2011 | CN101676213B Dry method preparation of barium fluorosilicate and barium fluoride |
| 02/16/2011 | CN101456545B Method for producing triple superphosphate and co-producing calcium chloride by middle-low grade phosphate rock |
| 02/15/2011 | US7887769 Method of removing sulfur dioxide from flue gases and treatment of oxidized effluent therefrom |
| 02/10/2011 | US20110034318 Process and plant for the heat treatment of fine-grained mineral solids |
| 02/10/2011 | US20110033350 Process for recovering substances from high salinity liquids |
| 02/09/2011 | EP1066818B1 Inorganic composite powder and cosmetic comprising the same |
| 02/09/2011 | CN201737719U White water recovery system in ground calcium carbonate slurry production |
| 02/09/2011 | CN201737711U Chemical gypsum decomposing device |
| 02/09/2011 | CN201735331U Waste gas desulfurization device |
| 02/09/2011 | CN201735209U Byproduct solid-liquid separating collecting device |
| 02/09/2011 | CN101970754A A method for crystallizing a filler in connection with a fiber web process, and an approach system for a fiber web machine |
| 02/09/2011 | CN101970753A A pigment particle composition, its method of manufacture and its use |
| 02/09/2011 | CN101970752A Surface-mineralized organic fibers |
| 02/09/2011 | CN101970357A Method for production of calcium compounds |
| 02/09/2011 | CN101967003A Method for preparing barium fluoride from organic fluoridation waste |
| 02/09/2011 | CN101967002A Method for simultaneously producing superfine calcium carbonate and ammonium carbonate |
| 02/09/2011 | CN101967001A Method for producing calcium carbonate by using calcium carbide slag and low concentration carbon dioxide-containing waste gas as raw materials |
| 02/09/2011 | CN101967000A Method for preparing high-solid-content and low-viscosity suspended nano calcium carbonate slurry and re-suspended nano calcium carbonate power |
| 02/09/2011 | CN101503208B Process for preparing high concentration milky calcium hydroxide |
| 02/09/2011 | CN101486446B Method for coproduction of bleaching powder, active carbon, sodium chloride and sulphuric acid from waste gypsum plaster |
| 02/09/2011 | CN101475215B Composite titanium dioxide and preparation thereof |
| 02/08/2011 | US7883681 Synthetic carbide lime filler composition and method of making |
| 02/03/2011 | US20110024683 Method for controlling the size of rare-earth-doped fluoride nanoparticles - ii |
| 02/02/2011 | EP2279151A1 Method of purifying gypsum |
| 02/02/2011 | EP1716080B1 Powder composition based on a calcium/magnesium compound |
| 02/02/2011 | CN201728056U Sintering flue gas treatment device |
| 02/02/2011 | CN101962202A Method for preparing barium sulfite by using sulfur dioxide waste gas |
| 02/02/2011 | CN101575115B Long-range orderly layered nano-structure calcium carbonate polycrystalline powder and preparation method thereof |
| 02/01/2011 | US7879305 fluidized bed reactor device simultaneously captures and mineralizes coal combustion flue gas CO2; traveling through the distributor plate and fly ash creating the reacted flue gas, filtering and separating from fly ash; reduced co2 emissions in power plant stack; air pollution control |
| 02/01/2011 | US7879303 Forming a mixture of cacium carboxylates and a metal phosphat, borate, silicate, sulfate, carbonate, hydroxide and/or fluorides; oxidizing said droplets at a high temperature of 1200-2600 degrees C.; flame spray pyrolysis; apatite, tricalcium phosphate biomaterialproducts; coatings for prosthetics |
| 01/26/2011 | CN101955216A Method for preparing super fine calcium carbonate and ammonia water from waste obtained in process for producing sodium cyanate by urea method |
| 01/26/2011 | CN101955215A Method for preparing fine calcium carbonate and ammonia water from wastes obtained in production process of sodium cyanate by urea method |
| 01/26/2011 | CN101955202A Method for preparing sodium cyanide and coproduct mixed calcium sulphate by black cyanide slag |
| 01/26/2011 | CN101955201A Method for preparing potassium cyanide and mixed calcium sulfate by using waste slag from cyanide melt process |
| 01/26/2011 | CN101955196A Method for preparing calcium cyanide cogenerated mixed calcium sulphate by using cyanide fusant waste residues |
| 01/26/2011 | CN101955195A Method for preparing zinc cyanide and jointly producing mixed sulfates from waste residues in Sodamide method |
| 01/26/2011 | CN101955194A Method for preparing zinc cyanide coproduced with calcium sulfate by utilizing cyanide melt slag |
| 01/26/2011 | CN101955191A Method for preparing light calcium carbonate and ammonia water from waste obtained in process of producing sodium cyanate by urea method |
| 01/26/2011 | CN101955166A Method for decomposing semi-hydrated phosphogypsum |
| 01/26/2011 | CN101654274B Barium chloride production technology |
| 01/26/2011 | CN101570341B Method for utilizing comprehensive resource of sulfur-containing solid waste |
| 01/26/2011 | CN101381091B Waste molten salt processing method |
| 01/20/2011 | WO2011008275A2 Systems and methods for enhancing the surface exchange of oxygen |
| 01/20/2011 | US20110011311 Calcium sulfate hemihydrate treatment process |
| 01/19/2011 | EP2274070A2 Capture and sequestration of carbon dioxide in flue gases |
| 01/19/2011 | CN201713334U Industrial byproduct gypsum recrystallization device |
| 01/19/2011 | CN101549880B Preparation method of anti-caking strontium nitrate |
| 01/19/2011 | CN101343077B Method for preparing gypsum by removing boiler flue gas sulphur dioxide with white slime from ammonia alkali factory |
| 01/18/2011 | US7871595 Fine barium titanate particles |
| 01/13/2011 | US20110008227 System and Method for the Calcination of Minerals |
| 01/12/2011 | EP2272795A1 Production of hydrogen from hydrocarbons and oxygenated hydrocarbons |