| Patents for C01F 11 - Compounds of calcium, strontium, or barium (8,019) |
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| 07/25/2012 | CN102600707A Carbon dioxide sequestration materials and processes |
| 07/25/2012 | CN102115136B Method for co-production of barium sulfate and manganese chloride from barium chloride waste |
| 07/25/2012 | CN102001687B Method for preparing calcium chloride with co-produced sodium chloride and gypsum by using sodium carbonate distillation waste liquor |
| 07/25/2012 | CN102001636B Method for producing broad-concentration phosphoric acid and clean plaster by middle-low grade phosphorus ore wet process |
| 07/25/2012 | CN101993105B Method for preparing light calcium carbonate and co-producing ammonium sulfate from phosphogypsum |
| 07/25/2012 | CN101516985B Calcium carbonate treated with curing active ingredient |
| 07/19/2012 | WO2012095815A1 Production of calcium carbonate |
| 07/18/2012 | CN202337696U 一种用于碳酸钙的振动过滤装置 A filter device for vibration calcium carbonate |
| 07/18/2012 | CN102583867A Method for treating waste water in chloro pyrimidine combining process |
| 07/18/2012 | CN102583489A Low-strontium and high-purity nitrate barium and preparation method thereof |
| 07/18/2012 | CN102583488A Method for producing low-strontium high-purity barium chloride and low-strontium high-purity barium chloride |
| 07/18/2012 | CN102583487A Method for preparing barium chloride by using witherite tailings and barium residues |
| 07/18/2012 | CN102583486A Preparation method of nano calcium fluoride for self-lubricating tool material |
| 07/18/2012 | CN102583485A Monodispersed vaterite type calcium carbonate microsphere and preparation method thereof |
| 07/18/2012 | CN102583484A Carbonization kettle and method for preparing nanometer calcium carbonate by using same |
| 07/18/2012 | CN102583483A Preparation method of micrometer spindle composite nano-calcium carbonate |
| 07/18/2012 | CN102583482A Preparation method of flake-shaped aragonite calcium carbonate |
| 07/18/2012 | CN102583481A Method for preparing spherical nanometer calcium carbonate particles of different grain diameters by reverse microemulsion method |
| 07/18/2012 | CN102583480A Method utilizing witherite to prepare barium hydroxide octahydrate |
| 07/18/2012 | CN102583458A Method for extracting basic magnesium carbonate, iron hydroxide and calcium sulfate from serpentine under normal temperature and pressure |
| 07/18/2012 | CN102583290A Low-grade phosphorite mineral dressing technology and method for producing by-product high-purity gypsum powder |
| 07/18/2012 | CN102580514A Additive for strengthening wet flue gas desulfurization technology |
| 07/18/2012 | CN102580512A Liquid oxidation and solid concentration integration process |
| 07/18/2012 | CN102580511A Liquid oxidation and solid concentration tower |
| 07/18/2012 | CN102030354B Treatment method of waste sulfuric acid |
| 07/17/2012 | US8221834 Titania composite and preparing method thereof |
| 07/17/2012 | US8221713 mixing titanate ester( teteraethoxytitanium), and ca, mg, sr, ba and rare earth metal salt ina reaction medium containing ethanol and water, heating, under an alkaline condition to form a white sediment; filtration to collect white sediment, washing and drying to form lanthanide doped titinate |
| 07/12/2012 | US20120177702 Solid Forms for Tissue Repair |
| 07/12/2012 | US20120176726 Nanocrystalline materials for electronic applications |
| 07/11/2012 | CN102575549A Connected heat conducting structures in solid ammonia storage systems |
| 07/11/2012 | CN102561086A Method for preparing spindle crystal form alkali recovery white clay |
| 07/11/2012 | CN102560538A Method for treating waste fused salt produced in production of TiCl4 |
| 07/11/2012 | CN102557869A Method for preparing methanol fuel by utilizing biomass charcoal |
| 07/11/2012 | CN102557101A Method for producing building gypsum powder by utilizing papermaking residual liquid |
| 07/11/2012 | CN102557100A Preparation method of spherical nano calcium carbonate |
| 07/11/2012 | CN102557099A Method for preparing calcite phase and/or vaterite phase calcium carbonate |
| 07/11/2012 | CN102557098A Method for preparing superfine high-purity barium carbonate powder |
| 07/11/2012 | CN102556978A Method for reductive decomposition of phosphogypsum with hydrogen gas |
| 07/11/2012 | CN102553492A Granulator for soda lime and calcium lime and preparing method of granulator |
| 07/11/2012 | CN102553422A Integrated method for improving desulfurized gypsum quality |
| 07/11/2012 | CN102060317B Method for recovering celestite from waste residue in strontium carbonate production by celestite back salt method |
| 07/05/2012 | US20120172194 Dielectric ceramic and method of manufacturing the same |
| 07/05/2012 | US20120171091 Method of making pure salt from frac-water/wastewater |
| 07/05/2012 | US20120168157 Method of making pure salt from frac-water/wastewater |
| 07/04/2012 | EP2470289A1 PARTICULATE, HETEROGENEOUS SOLID CO<sb>2 </sb>ABSORBENT COMPOSITION, METHOD FOR ITS PREPARATION AND USE THEREOF |
| 07/04/2012 | CN202297169U 一种新型石膏纤维的生产设备 A new type of gypsum fiber production equipment |
| 07/04/2012 | CN202289977U 氯化钙造粒机用喷头 Calcium chloride granulation machine nozzle |
| 07/04/2012 | CN102534801A Method for improving quality of calcium sulfate whiskers |
| 07/04/2012 | CN102534773A Production method of high-reinforcement modified anhydrous calcium sulfate crystal whiskers |
| 07/04/2012 | CN102534230A Method for extracting strontium carbonate from metal strontium residues |
| 07/04/2012 | CN102531020A Method for preparing nitrate and strontium sulfate mixed product by using manganese-containing waste solution |
| 07/04/2012 | CN102531019A Method for preparing mixed nitrate and calcium sulfate product by using manganese-containing waste solution |
| 07/04/2012 | CN102531018A Method for preparing nitrate and zinc sulfate mixed product by using manganese-containing waste solution |
| 07/04/2012 | CN102531017A Carbonizer and method for producing nano calcium carbonate |
| 07/04/2012 | CN102531016A Production method of food-grade calcium hydroxide |
| 07/04/2012 | CN102531001A Comprehensive soda ash producing process and product application thereof |
| 07/04/2012 | CN102530966A Method for recycling coal ashes in power plant |
| 07/04/2012 | CN102527286A Process and device for calcium carbide slag/white mud pretreatment |
| 07/04/2012 | CN102527223A Sintering machine flue gas desulfurization process and device thereof |
| 07/04/2012 | CN102134063B Method for manufacturing industrial phosphoric acid, industrial ammonium phosphate and food-grade phosphoric acid from medium and low-grade phosphorite by one-step extraction of hydrochloric acid method |
| 07/04/2012 | CN101967003B Method for preparing barium fluoride from organic fluoridation waste |
| 07/04/2012 | CN101845550B Method for extracting aluminum hydroxide and aluminum oxide from side product obtained by preparing magnesium metal by taking aluminum or aluminum alloy as reducing agent |
| 07/04/2012 | CN101774624B Method for preparing Sr (NO3)2 |
| 07/04/2012 | CN101723713B Overall treatment method of steel works sintering dust |
| 07/03/2012 | CA2564808C Process for preparing dispersible sulfate, preferably barium sulfate nanoparticles |
| 06/28/2012 | US20120164061 Production of Radiation-Resistant Fluoride Crystals, in Particular Calcium Fluoride Crystals |
| 06/28/2012 | US20120164042 Systems and Methods for Enhancing Rates of Carbonation of Peridotite |
| 06/27/2012 | EP2468388A1 Carbon dioxide sequestration processes |
| 06/27/2012 | CN102517106A Slurry stabilizing agent and applications thereof |
| 06/27/2012 | CN102515238A Device for synthesizing nano calcium carbonate, and method for implementing device |
| 06/27/2012 | CN102515237A Method for preparing nanometer CaCO3 from calcium carbide slag through ultrasonic process |
| 06/27/2012 | CN102515236A Preparation method for vaterite-phase calcium carbonate microspheres with uniform size |
| 06/27/2012 | CN102515235A Method for preparing strontium hydroxide octahydrate granular crystals |
| 06/27/2012 | CN102515174A Process for recycling treatment of chromium slag and waste water |
| 06/27/2012 | CN102079601B Resource recovery and zero discharge process for treating rare-earth wet-method smelting wastewater |
| 06/27/2012 | CN101880099B Treatment process for oilfield water comprehensive recovery |
| 06/27/2012 | CN101863580B Process for treating oil field water |
| 06/26/2012 | US8206680 Calco-magnesian aqueous suspension and method for the production thereof |
| 06/26/2012 | US8206679 Method for producing Ca-La-F based transparent ceramic, Ca-La-F based transparent ceramic, optical element, optical system, and ceramic-forming composition |
| 06/26/2012 | CA2534056C Calcium carbonate granulation |
| 06/26/2012 | CA2466261C Surface-treated calcium carbonate, production method thereof, and resin composition containing the calcium carbonate |
| 06/21/2012 | WO2012080565A1 Method and apparatus for the preparation of finely divided calcium hydroxide |
| 06/21/2012 | WO2012079201A1 Selenium recovery from bioreactor sludge |
| 06/21/2012 | DE102010063325A1 Preparing barium sulfate, useful as filler e.g. in paper and lacquers, comprises reacting an aqueous solution of barium sulfide with dilute sulfuric acid at a specified pH and filtering the precipitated barium sulfate |
| 06/21/2012 | CA2819783A1 Selenium recovery from bioreactor sludge |
| 06/20/2012 | EP1380675B1 Method for reducing oxygen component and carbon component in fluoride |
| 06/20/2012 | CN202279703U 一种利用三胺尾气制备超细碳酸钙的装置 A three amine exhaust device utilizes the preparation of ultrafine calcium carbonate |
| 06/20/2012 | CN102505082A Method and device for extracting barium and barium salt from ore |
| 06/20/2012 | CN102502753A Synthetic method of calcium fluoride |
| 06/20/2012 | CN102502752A Method for regulating and controlling scale of functional alkaline-earth fluoride nanocrystals by doping of lanthanide ions |
| 06/20/2012 | CN102502751A Preparation method of porous calcium carbonate crystal particle having nanometer cone microstructure |
| 06/20/2012 | CN102502750A Process for producing barium sulfate byproduct in process of removing barium from yellow water |
| 06/20/2012 | CN102502749A Method for preparing rose calcium carbonate from low-grade limestone |
| 06/20/2012 | CN102502748A Microwave method for preparing rose-shaped calcium carbonate |
| 06/20/2012 | CN102502552A Method for recycling phosphorus and fluoride in sewage residue of phosphorus fertilizer plant |
| 06/20/2012 | CN102502551A Method for recycling phosphorus and fluorine in defluorination residues |
| 06/20/2012 | CN102502504A Method for preparing iodized salt from iodine-contained absorption solution |
| 06/20/2012 | CN102500213A Waste gas and waste liquid treatment method in polycrystalline silicon production |
| 06/20/2012 | CN102500211A Improved desulfuration method and device |
| 06/20/2012 | CN102500184A Closed-circuit recycling process of waste gas and waste residue generated during production of brown fused alumina and calcium carbide |