| Patents for C01D 7 - Carbonates of sodium, potassium, or alkali metals in general (1,753) |
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| 05/07/2009 | WO2009056888A1 Fuel synthesis method |
| 05/06/2009 | CN100484875C Heavy soda ash fluidized calcoining coling device and process thereof |
| 05/06/2009 | CN100484874C Process for turning waste solution from production of soda to lime |
| 04/15/2009 | CN101407327A Production process for preparing sodium carbonate solution from caustic soda and carbon dioxide |
| 04/14/2009 | US7517509 Emulsifying an oil in an aqueous solution to form an oil-in-water emulsion; forming a saturated trona brine; adding the trona ore to the saturated brine to form a saturated trona suspension, trona ore including trona and gangue material; conditioning; separating |
| 04/09/2009 | WO2008052942A3 Dust material heating process |
| 04/07/2009 | US7514060 Porous potassium carbonate having special pore structure and method for its production |
| 04/01/2009 | EP2041029A1 Process for the production of sodium bicarbonate |
| 03/31/2009 | CA2426152C Process for desalination of seawater |
| 03/24/2009 | US7507388 Process for production of dense soda, light soda, sodium bicarbonate and sodium silicate from solutions containing bicarbonate |
| 03/18/2009 | EP1844133B1 Modified sodium carbonate carrier material |
| 03/18/2009 | CN100469697C Method for producing low-magnesium battery-stage lithium carbonate from lithium sulfate solution |
| 03/12/2009 | WO2008014464A3 Polymeric core-shell nanoparticles with interphase region |
| 03/11/2009 | CN101381284A Method for decomposing sodium phenolate using low CO2-content exhaust gas |
| 02/26/2009 | WO2009024630A1 Sequestration system for carbon dioxide |
| 02/26/2009 | WO2007115321A3 Visual, continuous and simultaneous measurement of solution ammonia and hydrogen ion concentration |
| 02/19/2009 | US20090045136 Method for adsorption of metal and an adsorption material directed thereto and method for re-use of the adsorption material |
| 02/18/2009 | EP2024287A1 Methods and compositions for controlled and sustained production and delivery of peroxides |
| 02/18/2009 | CN101367532A Heavy granulation process for light calcined soda |
| 02/18/2009 | CN101367531A Combined soda process for applying surface engineering technology to natural soda preparation |
| 02/12/2009 | US20090041651 sodium chloride is electrolyzed in cell with ion permselective membrane to produce chlorine which is converted, and aqueous sodium hydroxide solution which is carbonated using flue gas from electricity and steam cogeneration unit, and resulting carbonated solution is evaporated to produce crystals |
| 02/04/2009 | CN101357770A Method for preparing sodium bicarbonate |
| 02/03/2009 | US7485369 Food products, pharmaceuticals, bath additives, etc., which require no necessity to contain an anticaking agent |
| 01/21/2009 | EP2017223A2 Method and device for energy generation and desalination of sea water with controlled use of greenhouse gases and for provision of charcoal-type fertilisers with negative CO2 content |
| 01/15/2009 | US20090016949 High purity sodium hydrogencarbonate crystal particles and process for producing the same |
| 01/14/2009 | CN101346311A Milling process |
| 12/31/2008 | EP2007681A1 Process for preparing ultra-fine sodium bicarbonate powder |
| 12/31/2008 | CN101336207A Production of sodium sesquicarbonate and sodium carbonate monohydrate |
| 12/17/2008 | CN101323577A Method for extracting aniline and sodium carbonate and potassium carbonate from mixed alkaline residue in bipseudoindoxyl production |
| 12/17/2008 | CN101323490A Method for zero discharge processing of waste saponification lye of cyclohexanone produced by cyclohexane oxidation technology |
| 12/17/2008 | CN101323443A Reclaiming circulation method of polybasic acid inorganic salt solution |
| 12/10/2008 | CN101318668A Method for preparing agricultural ammonium sulphate and calcined soda for industry with salt cake ammonia soda process |
| 12/09/2008 | CA2497677C Treatment of spent caustic refinery effluents |
| 12/03/2008 | EP1997780A1 High-purity sodium hydrogen carbonate crystal grain and process for producing the same |
| 11/26/2008 | CN100436322C Sodium carbonate preparing process |
| 11/13/2008 | WO2008136542A1 Reactor for separating aluminium from multi-layer film materials |
| 11/12/2008 | CN101303426A Method for removing colorful optical filter protection layer |
| 11/12/2008 | CN101302017A Synthetic method of sodium pentathiosulfate |
| 11/12/2008 | CN101302016A Hydrochloric acid neutralisation degasification method for alkali making filtrated stock |
| 11/12/2008 | CN101302010A By-product carbon dioxide cogeneration carbonas in giobertite process and application method thereof to sewage disposal |
| 11/12/2008 | CN100431674C Method and apparatus for treating fluids |
| 10/29/2008 | EP1984098A1 Co2 capture and use in organic matter digestion for methane production |
| 10/22/2008 | CN201136792Y Tartar salt calcining apparatus |
| 10/22/2008 | CN101289199A Process for preparation potassium salt for plant ash |
| 10/15/2008 | CN100425535C Technique of carbonizing gas supply in procedure of producing soda under joint alkaline process |
| 10/14/2008 | US7435426 Micron sized bicarbonate particles and slurrys containing the same |
| 10/08/2008 | CN101282908A A process for the preparation of lyophilized sodium bicarbonate |
| 10/07/2008 | CA2235941C Vapor sterilization using inorganic hydrogen peroxide complexes |
| 09/24/2008 | CN101269825A 'Non-combined-soda process' production process for producing soda, ammonium chloride with melamine tail gas |
| 09/17/2008 | CN101264904A Method for producing sodium bicarbonate and sulfur from mirabilite by wet process |
| 09/10/2008 | EP1966087A1 Milling process |
| 09/10/2008 | CN100417609C Process for treating wastewater from preparation of N-(phosphonomethyl) iminodiacetic acid as synthetic intermediate of glyphosate |
| 09/03/2008 | CN100415648C Method for producing alkali metal hydrogencarbonate |
| 08/28/2008 | US20080207479 Mixing crystal growth moderator to aqueous solution of sodium carbonate; adding detergents, builders and heat sensitive detergents; drying |
| 08/27/2008 | EP1961479A2 Method and device for binding gaseous CO2 in connection with sea water desalination |
| 08/20/2008 | EP1958683A2 Method for treating flue gas in power stations and other facilities |
| 08/20/2008 | EP1866460B1 Process for jointly obtaining a chlorine derivative and crystals of sodium carbonate |
| 08/14/2008 | US20080193365 Method for Obtaining Sodium Carbonate Crystals |
| 08/12/2008 | US7410627 Recovering from nahcolite deposits; economical; decomposing bicarbonate in hot aqueous solution and concentrating by evaporation; crystallizating, dewatering and calcining to produce anhydrous sodium carbonate |
| 07/31/2008 | WO2008089523A1 Carbon dioxide sequestration and capture |
| 07/30/2008 | CN101229922A Method for abstracting potassium from straw by microwave technique |
| 07/23/2008 | CN201089726Y System for producing low salt strong mass soda |
| 07/23/2008 | CN101224899A Method for preparing sodium carbonate and sodium sulfate |
| 07/23/2008 | CN100404421C Process for combined production of melamine, sodium carbonate, and ammonium chloride |
| 07/16/2008 | CN101219797A Method for separatingcalcium chloride and sodium chloride in ammonia distillation waste clear solution with nanofiltration technology and application of production by the method |
| 07/01/2008 | US7393378 Adding ammonium bicarbonate and Glauber's salt to inlet sodium sulfate solution; adding carbon dioxide and ammonia; precipitation and removal of sodium bicarbonate; separation, concentration, salt formation |
| 06/17/2008 | CA2597179C Process for the production of cesium compounds |
| 06/11/2008 | CN101195494A Improved technique for producing alkali with double decomposition reaction |
| 06/04/2008 | CN101193691A Scavengers for removal of acid gases from fluid streams |
| 05/29/2008 | WO2008061305A1 Integrated chemical process |
| 05/29/2008 | CA2670299A1 Integrated chemical process |
| 05/28/2008 | CN101186317A Method for preparing potassium carbonate |
| 05/28/2008 | CN101186316A Calcium carbide, polyvinyl chloride, soda and chloro-alkaline combined device and method for saving energy, reducing discharge and preparing alkali from waste slag |
| 05/21/2008 | CN101182026A Method for removing sodium sulfate in aluminum oxide production process |
| 05/21/2008 | CN101182012A Method for quickly depositing lithium carbonate from lithium bicarbonate solution |
| 05/21/2008 | CN100388960C Carbonators with sieve-plate and hat shape mixture structure for preparing alkali by combined alkali process |
| 05/14/2008 | CN101177286A Method for utilization of carbide slurry in ammonia soda process soda production |
| 05/14/2008 | CN101177264A Method for combined production of activative carbon, white carbon black and soda by employing biomass power plant waste |
| 05/01/2008 | US20080102008 Plenum crusher dust injection |
| 04/30/2008 | CN101168443A Method for producing low-salt heavy soda and system for producing the same |
| 04/22/2008 | US7361318 Reducing concentration of potassium carbonate in mixture |
| 04/09/2008 | CN101157462A Cleaning process for outer cooling shift gas alkali preparation |
| 04/09/2008 | CN101157461A Method for producing sodium bicarbonate with joint production of ammonium chloride and calcium bicarbonate |
| 04/02/2008 | EP1904399A1 Hydrogen production using electrochemical reforming and electrolyte regeneration |
| 04/02/2008 | CN201043141Y Palm type alkali cooling machine |
| 03/27/2008 | DE102006040662B3 Verfahren und Vorrichtung zur Verwertung von sauerstoffhaltigen Polymeren Process and apparatus for recovery of oxygen-containing polymers |
| 03/26/2008 | CN101148261A Low-phosphorus low-boron high-pure anhydrous sodium carbonate and preparation method thereof |
| 03/20/2008 | WO2008031834A1 Method for obtaining sodium carbonate crystals |
| 03/19/2008 | EP1900688A1 Method for obtaining sodium carbonate crystals |
| 03/12/2008 | CN101139102A Method for preparing sodium carbonate liquor through stack gas carbonation |
| 03/11/2008 | CA2284669C Improved dasc compositions, process for preparing same and suspensions containing same |
| 03/06/2008 | WO2008026201A2 Methods and apparatuses for decreasing the co2 concentration of a fluid |
| 03/05/2008 | CN101137771A Process for jointly obtaining a chlorine derivative and crystals of sodium carbonate |
| 03/05/2008 | CN101137580A Method for obtaining sodium carbonate crystals |
| 02/27/2008 | CN201027171Y Heating device of steam calcining furnace |
| 02/20/2008 | CN101125668A Method for producing low-magnesium battery-stage lithium carbonate from lithium sulfate solution |
| 02/13/2008 | CN101121534A Ammonia-soda process mother liquid distillation tower scaring-proof method |
| 02/06/2008 | CN101117225A Process for producing high-purity magnesium oxide and lithium salt by using salt lake old brine |
| 02/06/2008 | CN100366537C Method for recovering purified sodium bicarbonate and ammonium sulfate |
| 01/30/2008 | CN101112998A Preparation method of soda |