Patents for C01F 11 - Compounds of calcium, strontium, or barium (8,019)
05/2011
05/25/2011EP2118000B1 Preparation of hydrogen fluoride from calcium fluoride and sulfuric acid
05/25/2011EP1690832B1 Resin composition containing calcium hydroxide and article formed therefrom
05/25/2011CN201842657U Modifier in calcium carbonate processing and baking process
05/25/2011CN102070274A Method and device for treating sulfonated wastewater by using calcium salt precipitation method
05/25/2011CN102070176A Method for producing barium sulfate, ultra-fine light magnesium carbonate and ultra-fine light calcium carbonate simultaneously with rock salt mud
05/25/2011CN102070175A Method for producing barium sulfate to co-produce light magnesium carbonate and calcium carbonate by utilizing salt mud of rock salt
05/25/2011CN102070174A Method for co-producing barium sulfate, light micro magnesium carbonate and calcium carbonate from rock salt slurry
05/25/2011CN102070173A Method for preparing anhydrous calcium sulfate to co-produce industrial hydrochloric acid by using pure alkali distilled waste liquid
05/25/2011CN102070172A Drainage process for suspension in gas purification and absorption process
05/25/2011CN102070171A Method for preparing gene transfer carrier nanometer calcium carbonate
05/25/2011CN102070163A Method for preparing magnesium carbonate to co-produce calcium carbonate and sodium sulfate by using pure alkali waste salt sludge
05/25/2011CN102070126A Method for co-producing calcium chlorate, light calcium carbonate and sodium chloride from chlor-alkali carbide slag
05/25/2011CN101723427B Method for resource utilization of oil production sludge of oilfield
05/25/2011CN101559964B Preparation method of platy strontium carbonate particles
05/25/2011CN101549876B Method for producing boric acid and co-produce magnesium hydrate and calcium sulphate by utilizing boron-rich slag
05/25/2011CN101293663B Novel technique for preparing fine calcium carbonate
05/24/2011US7947239 Carbon dioxide capture and mitigation of carbon dioxide emissions
05/18/2011EP2321225A1 Use of a weakly ionic acrylic polymer in the synthesis of precipitated calcium carbonate
05/18/2011CN102060317A Method for recovering celestite from waste residue in strontium carbonate production by celestite back salt method
05/18/2011CN102060316A Method for producing micro barium sulfate as well as light-weight magnesium carbonate and calcium carbonate from rock salt sludge
05/18/2011CN102059038A Treatment process and device of waste gas containing hydrogen sulfide and carbon dioxide
05/18/2011CN101624204B Four-great circulation method formed by waste gypsum mud and chlor-alkali industry
05/18/2011CN101575113B Mixed calcium carbonate, preparation method and application thereof
05/18/2011CN101555551B Method for comprehensively recovering Fe, Cu and Si from copper smelting slag
05/18/2011CN101531391B Method for industrially preparing nanometer calcium carbonate for solvent type ink addition agent
05/18/2011CN101381090B Flake light calcium preparation method
05/12/2011WO2011033119A3 Aqueous slurries comprising fine calcium carbonate particles for use in paper coatings
05/12/2011US20110111947 Dielectric ceramic composition and electronic component
05/12/2011US20110110831 Multi-stage crystallization apparatus and method
05/11/2011EP2318464A1 Process to prepare precipitated calcium carbonate implementing low charge acrylate a/o maleinate -containing polymer
05/11/2011CN201823477U Calcium-based CO2 absorption furnace
05/11/2011CN201823470U Wet flue gas desulfurization device convenient for adjusting pH
05/11/2011CN102050478A Method for removing barium in strontium salt production
05/11/2011CN101648725B Method for preparing industrial calcium chloride
05/11/2011CN101343773B Sodium sulfate wastewater liquid phase method in situ preparation of hydrophobic calcium sulphate crystal whisker
05/10/2011US7938346 Grinding method for inorganic particulate material
05/10/2011CA2478062C Device for drying and/or calcining gypsum
05/05/2011WO2011052680A1 Strontium carbonate micropowder and process for production thereof
05/05/2011US20110105671 Synthetic carbide lime filler composition and method of making
05/05/2011US20110104469 Method of hydrothermal liquid phase sintering of ceramic materials and products derived therefrom
05/05/2011US20110104039 Process for preparing catalysts involving the regeneration of metal carbonate precipitants
05/05/2011US20110104038 Method of making pure salt from frac-water/wastewater
05/04/2011CN102041128A Chemical deashing method for coal
05/04/2011CN102040250A Method for comprehensively utilizing chlor-alkali salt sludge
05/04/2011CN102040238A Recycling method for treating sludge containing heavy metals
05/04/2011CN102040199A Recovery of sulfur dioxide by using solid thermal carrier to decompose calcium sulfite
05/04/2011CN101746804B Method for synthesizing rare earth doped micron-size barium fluoride hollow spheres
05/04/2011CN101586255B Preparation method of calcium sulphate dihydrate crystal whisker
05/04/2011CN101565196B Method for processing alumina process calcium silicone slag
05/04/2011CN101353210B Method for processing aluminum section bar chromizing waste water with calcium sulfite type desulphurization mortar
04/2011
04/27/2011EP1562860B1 Method for producing alkaline earth sulphate nanoparticles
04/27/2011CN201809182U Stirring device of carbonation reaction tower with double stirring blade
04/27/2011CN102030354A Treatment method of waste sulfuric acid
04/27/2011CN102030353A Method for preparing gypsum and simultaneously producing sodium sulfate and hydrochloric acid by distilled ammonia waste liquid of sodium carbonate
04/27/2011CN101648721B Method for preparing nanometer magnesium oxide and active light calcium carbonate
04/27/2011CN101618888B Method for preparing calcium bromide solution used for oil drilling
04/27/2011CN101580260B Method for preparing amorphous calcium carbonate by microemulsion method
04/27/2011CN101319382B Calcium sulphate crystal whisker preparation method with sea water bittern as raw material
04/27/2011CN101269830B Method for producing nano-scale rare earth doping composite oxides sosoloid with low-temperature carbothermic method
04/27/2011CN101249977B Method for preparing different crystal system calcium carbonate by using chitosan
04/20/2011EP2310319A2 Gypsum-fibre composite product and paper comprising such
04/20/2011EP0981667B2 Rotogravure printing papers coated with aragonitic precipitated calcium carbonate pigment
04/20/2011CN102021329A Method for extracting tungsten from scheelite and producing high-quality calcined gypsum
04/20/2011CN102020305A Device and method for preparing gypsum by using semi-dry method to sinter flue gas desulfurization byproduct
04/20/2011CN102020304A Preparation method for spectrograde calcium oxide
04/20/2011CN101613161B Method for treating and using sintering flue gas desulphurization wastewater and special device thereof
04/20/2011CN101514028B Method for preparing flaky ground calcium carbonate powder
04/20/2011CN101121534B Ammonia-soda process mother liquid distillation tower scaring-proof method
04/19/2011US7928033 Catalyst for reducing mercury, a mercury conversion unit, and an apparatus for measuring total mercury in combustion exhaust gas by using the same
04/14/2011US20110084210 Process for producing a particularly strong scintillation material, a crystal obtained by said process and uses thereof
04/13/2011EP2307316A1 Procedure for manufacture of aqueous suspensions of calcium carbonate and suspensions obtained, and their uses
04/13/2011EP1094910B1 Process for the production of ultrafine powders
04/13/2011CN201791394U Cooling crystallizer
04/13/2011CN201791393U Evaporating crystallizer
04/13/2011CN101696025B Carbonizing device and technique for making nano calcium carbonate by carbonization method
04/13/2011CN101337683B Combination production method for obtaining multi-products using high iron bauxite as raw material
04/13/2011CN101137580B Method for obtaining sodium carbonate crystals
04/07/2011WO2011038936A1 Production of calcium carbonate
04/07/2011WO2011038916A1 Connected heat conducting structures in solid ammonia storage systems
04/07/2011CA2780900A1 Production of calcium carbonate
04/07/2011CA2775021A1 Connected heat conducting structures in solid ammonia storage systems
04/06/2011EP2305979A1 Connected heat conducting structures in solid ammonia storage systems
04/06/2011EP2305605A1 Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process
04/06/2011EP2303971A1 Use of (meth)acrylic polymers in a method for manufacturing a calcium carbonate aqueous suspension
04/06/2011EP2303779A1 Strand cladding of calcium wire
04/06/2011CN201785357U Waste recycling device in acetylene production system by calcium carbide process
04/06/2011CN201783262U Multifunctional dust remover capable of desulphurization conversion of carbon dioxide for flue gas passage
04/06/2011CN102002756A Method of preparing calcium sulfate whisker by using agglomerate fume desulfurized by-products
04/06/2011CN102001694A Method for preparing magnesium carbonate and coproducing calcium carbonate and ammonium chloride by using sodium carbonate waste salt silt
04/06/2011CN102001693A Process for preparing light magnesium oxide and calcium carbonate powder by utilizing dolomite acid method
04/06/2011CN102001687A Method for preparing calcium chloride with co-produced sodium chloride and gypsum by using sodium carbonate distillation waste liquor
04/06/2011CN102001636A Method for producing broad-concentration phosphoric acid and clean plaster by middle-low grade phosphorus ore wet process
04/06/2011CN102000494A Method for desulfurizing sintering machine flue gas by magnesium strengthened line-gypsum
04/06/2011CN101348268B Two comprehensive methods of utilization of boron mud, giobertite and talc deposit for preparing magnesia and silicon dioxide
04/06/2011CN101269823B Method for producing ammonium sulphate with phosphogypsum as raw material
04/05/2011US7919432 Adsorbent, adsorption apparatus, and method for manufacturing the adsorption apparatus
04/05/2011US7919067 Slaking, causticizing and white liquor preparation; causticizing process is controlled by applying a mathematical model that describes at least a part of the causticizing process
03/2011
03/31/2011US20110076212 Methods and systems for oxidizing nitric oxide in a gas stream
03/30/2011EP2302131A1 Aqueous slurries comprising fine calcium carbonate particles for their use in paper coatings
03/30/2011EP2299799A2 A method and composition to improve mushroom cultivation
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