| Patents for C01F 11 - Compounds of calcium, strontium, or barium (8,019) |
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| 08/14/2013 | CN203128220U Equipment for producing nano calcium carbonate from gypsum |
| 08/14/2013 | CN203128219U Equipment for producing food-grade calcium carbonate from gypsum |
| 08/14/2013 | CN203128218U Equipment for producing calcium oxide with calcium sulfate |
| 08/14/2013 | CN203128217U Device for producing calcium oxide by utilizing gypsum |
| 08/14/2013 | CN203128216U Device for producing calcium oxide from gypsum |
| 08/14/2013 | CN103241759A Barium chloride reaction kettle with electrode type liquid level meter |
| 08/14/2013 | CN103241758A Method of producing calcium fluoride through bottom mud generated by fluoride waste |
| 08/14/2013 | CN103239979A Economical method for desulfurizing and dedusting glue gas produced during smelting of secondary lead |
| 08/14/2013 | CN102431975B Method for recovering and utilizing three wastes during titanium white production through sulfuric acid process |
| 08/14/2013 | CN101434384B Process for preparing of nanowires of metal oxides with dopants in lower valence state |
| 08/13/2013 | US8507284 Method and apparatus for extraction of strontium from urine |
| 08/08/2013 | WO2013113807A1 Process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate and its use |
| 08/08/2013 | WO2013113805A1 Process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate and its use |
| 08/07/2013 | EP2623467A1 Process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate and its use |
| 08/07/2013 | EP2623466A1 Process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate and its use |
| 08/07/2013 | CN203112526U Efficient vibrating filter device for producing calcium carbonate |
| 08/07/2013 | CN203112525U Vibrating filter device for producing calcium carbonate |
| 08/07/2013 | CN203112524U Vehicle-mounted type sludge dewatering equipment |
| 08/07/2013 | CN103237760A Method for separation and collection of purified alkali metal salt |
| 08/07/2013 | CN103232068A Recycling and reutilization process for treating chromium slag and wastewater |
| 08/07/2013 | CN103232054A Method for oxidizing CaSO3 in desulfurized fly ash in alkaline condition |
| 08/07/2013 | CN103232053A Method for producing calcium fluoride by bottom sludge generated during treatment of industrial fluoride-containing wastewater |
| 08/07/2013 | CN103232052A Method for preparing high-purity calcium carbonate directly from phosphogypsum |
| 08/07/2013 | CN103232051A Preparation method of ultrafine porous calcium carbonate microsphere |
| 08/07/2013 | CN103230840A Process for conducting dehydration control on white clay calcium carbonate |
| 08/07/2013 | CN102502504B Method for preparing iodized salt from iodine-contained absorption solution |
| 08/07/2013 | CN102086073B Recycling method of circuit board tin stripping wastewater |
| 08/07/2013 | CN101835727B Process of removing calcium and obtaining sulfate salts from an aqueous sugar solution |
| 08/01/2013 | US20130195748 Process for obtaining precipitated calcium carbonate |
| 08/01/2013 | US20130195747 Calcium sulfate and co2 sequestration |
| 07/31/2013 | EP2620207A2 Non-cementitious compositions comprising CO2 sequestering additives |
| 07/31/2013 | CN203095637U Device system for recycling phosphate residues |
| 07/31/2013 | CN203090748U Oxidation air supply device for desulfurization tower |
| 07/31/2013 | CN103224247A Method for preparing nanometer barium sulfate by adopting alginate as template |
| 07/31/2013 | CN103224246A Chemical gypsum-to-ammonium sulfate reaction slurry concentration, waste heat recovery and waste ammonia recovery method |
| 07/31/2013 | CN102275966B Preparation method of calcium carbonate particulates |
| 07/31/2013 | CN101955166B Method for decomposing semi-hydrated phosphogypsum |
| 07/25/2013 | WO2013107937A1 A method, a system, and an apparatus for reducing the content of and/or for separating compounds from source material |
| 07/25/2013 | US20130190441 Spherical, amorphous calcium carbonate particles |
| 07/24/2013 | CN203079705U Calcium carbonate preparation system |
| 07/24/2013 | CN103221489A Use of alkaline carbonate salts to reduce the amount of acrylic polymer in a method for grinding calcium carbonate in water |
| 07/24/2013 | CN103221360A Method for producing wet gypsum accelerator |
| 07/24/2013 | CN103215849A Method for recycling white-clay refined paper calcium carbonate filler by improved soda-process pulping alkali |
| 07/24/2013 | CN103214077A Preparation method of byproduct high-purity calcium sulphate by deep purification of nitrate aqueous solution |
| 07/24/2013 | CN103214040A Comprehensive utilization method of rice hull ash |
| 07/24/2013 | CN103214039A Comprehensive utilization method of coal ash |
| 07/24/2013 | CN103214026A Preparation method of CaO/ZnO core-shell structure nanometer material |
| 07/24/2013 | CN103214010A Regenerating recycling method of alkali wash effluent in chloroethylene converting process |
| 07/24/2013 | CN102424415B Preparation method for needle cluster-like micrometer-scale calcium carbonate |
| 07/24/2013 | CN102390848B Comprehensive utilization process for magnesium sulfate |
| 07/24/2013 | CN102351590B Method for producing high-water solubility nitrophosphate fertilizer by phosphorite nitrolysis and calcium nitrate freezing |
| 07/24/2013 | CN102336428B Method for taking phosphogypsum under wet-process deslagging conditions |
| 07/24/2013 | CN102267713B Method for producing high-quality light calcium carbonate by ammonium salt circulation process |
| 07/24/2013 | CN102198388B Method and device for synthesizing compound by solid phase reaction |
| 07/24/2013 | CN101970753B A pigment particle composition, its method of manufacture and its use |
| 07/23/2013 | CA2561889C Bulky neutral paper |
| 07/18/2013 | WO2013106730A1 Carbon dioxide sequestration involving two-salt-based thermolytic processes |
| 07/17/2013 | EP2599750A9 Method and assembly for semi-continuous manufacture of crystalline calcium carbonate |
| 07/17/2013 | CN103204533A Method for preparation of barium sulfate porous material with different microstructures by taking barium peroxide as barium source |
| 07/17/2013 | CN103204532A Method for preparation of spinous spherical barium sulfate particulates by taking hydrogen peroxide water solution as structure regulator |
| 07/17/2013 | CN103204531A Method for preparation of barium sulfate nanoparticle by taking barium peroxide as barium source |
| 07/17/2013 | CN103204525A Application of lactam as solvent in nano-grade material preparation |
| 07/17/2013 | CN102674427B Method for producing light calcium carbonate by utilizing calcite |
| 07/17/2013 | CN102328947B Method for recovering strontium slag |
| 07/10/2013 | CN203048614U Device for producing potassium chloride by salt-making mother liquor without adding brine |
| 07/10/2013 | CN103193253A Pressurized acid-leaching potassium extracting technology for potassium feldspar |
| 07/10/2013 | CN103193239A Improved preparation method for combined production of calcium silicate filling material for papermaking by using fly ash |
| 07/10/2013 | CN103191636A Desulfurizing tower device |
| 07/04/2013 | WO2013098857A1 A process for the preparation of natural salt formulations for seawater substitution, mineral fortification |
| 07/04/2013 | DE202012012628U1 Gefällte Calciumcarbonatteilchen und Verwendung davon Precipitated calcium carbonate and use thereof |
| 07/03/2013 | EP2610373A1 Fluorite |
| 07/03/2013 | EP2610214A1 Method for converting nitrogen (N2) into ammonia and/or nitrate |
| 07/03/2013 | EP2609036A1 Lime causticization product brightness improvement via pre-slaking |
| 07/03/2013 | CN103189315A Production of high purity precipitated calcium carbonate |
| 07/03/2013 | CN103183370A Method for preparing industrial ultra-fine activated calcium carbonate from carbide slag |
| 07/03/2013 | CN103183369A Apparatus and method for pipeline continuous carbonization of calcium and magnesium |
| 07/03/2013 | CN102167386B Method for preparing barium sulfate nanoparticles |
| 07/03/2013 | CN101985426B Method for treating glyphosate mother solution |
| 07/02/2013 | US8475762 Method and apparatus to minimize air-slurry separation during gypsum slurry flow |
| 06/27/2013 | US20130164206 Calcium carbonate having a surface charge, the preparing process thereof and filler for producing a paper using the same |
| 06/27/2013 | US20130164202 Recirculated-suspension pre-calciner system |
| 06/26/2013 | EP2606181A1 A method and a system for precipitation of calcium carbonate and a product comprising calcium carbonate |
| 06/26/2013 | CN103172100A Method for preparing calcium carbonate in different grain sizes |
| 06/26/2013 | CN103172074A Process for decomposing potassium feldspar by adopting low-temperature semidry method for comprehensive utilization |
| 06/26/2013 | CN103170233A Method for improving reliability and availability of limestone-gypsum flue gas desulfurization system |
| 06/26/2013 | CN103170226A New process for fixing carbon dioxide |
| 06/26/2013 | CN102079550B Waste saline purification technique |
| 06/25/2013 | US8470282 Production of calcium carbonate |
| 06/25/2013 | US8470281 Method of producing carbonate using carbon dioxide microbubbles and carbonate thereof |
| 06/25/2013 | CA2526870C Methods for recovering at least one metallic element from ore |
| 06/19/2013 | CN203007150U Ardealite ball drying and afterheat comprehensive-utilization device |
| 06/19/2013 | CN103159248A Production method for nano barium sulfate particles |
| 06/19/2013 | CN103159247A Method for producing industrial calcium chloride by combining tetrachloroethylene saponification liquor and calcium carbide slag |
| 06/19/2013 | CN103159246A Light calcium carbonate produced by using shells |
| 06/19/2013 | CN102351233B Production process for nanometer barium sulfate |
| 06/19/2013 | CN102153127B Method for preparing gypsum by removing sulfate radicals from mineral salts with waste distillation liquid from ammonia alkali factory |
| 06/18/2013 | US8465712 Desulfurization apparatus and method |
| 06/13/2013 | WO2013083546A1 Method for producing a mineral solid |
| 06/12/2013 | CN202988765U Device for producing nanometer active calcium carbonate by calcium carbide slag and coproducing carbon powder |
| 06/12/2013 | CN103154369A A method and a system for precipitation of calcium carbonate and a product comprising calcium carbonate |