| Patents for C01D 7 - Carbonates of sodium, potassium, or alkali metals in general (1,753) |
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| 05/12/2010 | CN201458759U Device for producing potash through ion exchange method |
| 05/12/2010 | CN201458758U Steam roaster |
| 05/12/2010 | CN201458757U Heating device for steam calciner |
| 05/12/2010 | CN101428915B Method for zero discharge processing of waste saponification lye of cyclohexanone produced by cyclohexane oxidation technology |
| 05/11/2010 | US7713312 Process for producing alkali metal hydrogencarbonate |
| 05/11/2010 | CA2368410C Method for the preparation of sodium percarbonate granules having enhanced stability |
| 05/05/2010 | CN201447368U Equipment system for reducing ammonia consumption in joint production of alkali |
| 05/05/2010 | CN101700897A Pharmaceutical grade anhydrous sodium carbonate and preparation method thereof |
| 05/05/2010 | CN101700896A Method for preparing sodium carbonate and ammonium chloride by petrochemical phenol residues to co-produce calcium sulfate |
| 05/04/2010 | US7708972 Method for obtaining sodium carbonate crystals |
| 04/29/2010 | WO2010046916A1 A method of removing fluoride impurities from trona |
| 04/29/2010 | WO2010046487A1 Improved method for the manufacture of poly(aryl ether ketone)s and improved method for providing a sodium carbonate suitable for the manufacture of poly(aryl ether ketone)s |
| 04/27/2010 | US7704485 System and method for processing fuel for use by a fuel cell using a micro-channel catalytic hydrogen separator |
| 04/27/2010 | US7704370 Process for jointly obtaining a chlorine derivative and crystals of sodium carbonate |
| 04/21/2010 | CN101696022A Process for producing food grade saleratus by double decomposition |
| 04/21/2010 | CN101357770B Method for preparing sodium bicarbonate |
| 04/14/2010 | CN101693543A High value-added greening comprehensive utilization method of boron concentrate, boron-containing iron concentrate and ludwigite |
| 04/08/2010 | US20100084283 Carbon dioxide sequestration and capture |
| 03/31/2010 | CN101683995A Energy-saving using method for circular batching of carbon mother liquor |
| 03/24/2010 | CN100595148C Method for preparing potassium carbonate |
| 03/23/2010 | US7682588 addition of Na2CO3 to an aqueous solution of NaHCO3 and Na2CO3 in an amount sufficient to exceed the solubility of sodium sesquicarbonate and to form an aqueous suspension comprising crystals of sodium sesquicarbonate, separation of sodium sesquicarbonate, crystallization/separation of monohydrate |
| 03/17/2010 | CN101671038A Method for comprehensively utilizing solid waste in methyl carbonate production |
| 03/16/2010 | US7678503 Precipitation of lithium, nickel, magnesium oxides; lithium batteries |
| 03/11/2010 | WO2010026572A1 A process for the production of hcl gas from chloride salts and for the production of carbohydrates |
| 02/24/2010 | CN201411377Y Device for preparing medicinal sodium bicarbonate |
| 02/24/2010 | CN201411376Y Carbonizing chamber used for producing sodium bicarbonate |
| 02/24/2010 | CN201411375Y Leaching vat used for producing sodium carbonate |
| 02/17/2010 | CN201404751Y Dust remover for manufacturing sodium bicarbonate |
| 02/17/2010 | CN100590073C 'Non-combined-soda process' production process for producing soda, ammonium chloride with melamine tail gas |
| 02/10/2010 | CN101643225A Novel process for making alkaline by combining melamine by-product |
| 02/10/2010 | CN101643224A Combined type self soda-returning calcining furnace body and manufacturing method thereof |
| 02/03/2010 | EP2149542A2 Method for producing calcium carbonate and ammonium sulphate fertilizer from organic waste and assembly for carrying out the method |
| 02/03/2010 | CN201395516Y Simple washing tower for producing sodium bicarbonate |
| 02/03/2010 | CN201395515Y Soda production device capable of recycling waste gas of calciner |
| 02/02/2010 | US7655053 Process for sodium carbonate crystals from solutions |
| 01/28/2010 | WO2010010417A1 A combined solid waste, carbon dioxide quicklime sparging, brine water, and reverse osmosis/ion exchange processes for the production of soda chemicals |
| 01/21/2010 | DE102009004963A1 Decentralized production of sodium hydrogen carbonate, useful to purify waste gases of sulfur oxides and nitrogen oxides, comprises contacting aqueous sodium containing reagent solution with carbon dioxide containing flue gas |
| 01/13/2010 | EP2142677A1 Reactor for separating aluminium from multi-layer film materials |
| 01/13/2010 | CN201381230Y Repairable cooling pipe assembly of soda cooling furnace |
| 01/12/2010 | US7645435 Hydration sodium carbonate, neutralization , crystallization, purging, recycling |
| 12/30/2009 | CN201372210Y Device for sealing tail of novel rotary soda cooling furnace |
| 12/30/2009 | CN101613119A Method for preparing medicinal sterile sodium bicarbonate raw powder |
| 12/29/2009 | US7638109 crystallization; conversion of the residual sodium bicarbonate to carbonate in the separated first crystallizer mother liquor is effected by neutralizing residual dissolved sodium bicarbonate, using a neutralizing agent selected from lime, slaked lime, and caustic soda; products dense and light soda ash |
| 12/23/2009 | EP1807349B1 Method for crystallizing soluble salts of divalent anions from brine |
| 12/16/2009 | CN100569967C Desulfurization and transformation method for waste lead accumulator regenerative lead |
| 12/09/2009 | CN101598927A Control system of soda carbonization technique based on neural network and control method thereof |
| 12/09/2009 | CN100567156C Method and apparatus for purifying and recovering silking dirt alkali adopting superfiltering film |
| 12/09/2009 | CN100567155C Method for utilization of carbide slurry in ammonia soda process soda production |
| 12/09/2009 | CN100567154C Synthetic method of sodium pentathiosulfate |
| 11/26/2009 | US20090291038 Process For The Joint Production of Sodium Carbonate and Sodium Bicarbonate |
| 11/24/2009 | US7621968 Process for producing low sodium sea salt from seawater |
| 11/19/2009 | WO2009138403A1 Process for the joint production of sodium carbonate and sodium bicarbonate |
| 11/18/2009 | EP2119670A1 Process for the joint production of sodium carbonate and sodium bicarbonate |
| 11/18/2009 | CN201347363Y Improved calciner sealing face structure |
| 11/18/2009 | CN100560497C Treatment method of waste potassium carbonate solution during production process of hydrogen peroxide solution by anthraquinones method |
| 11/18/2009 | CN100560496C Cleaning process for outer cooling shift gas alkali preparation |
| 11/11/2009 | CN101575105A Equipment for preparing medical natrium bicarbonicum |
| 11/03/2009 | US7611208 Methods for constructing underground borehole configurations and related solution mining methods |
| 10/20/2009 | CA2438912C Abrasion-resistant agglomerate mineral substance granule, powder comprising such granules and production method therefor |
| 10/15/2009 | WO2009124493A1 A combined process for preparing calcined soda by applying surface engineering process into natural soda |
| 09/30/2009 | EP2104642A2 Dust material heating process |
| 09/30/2009 | CN101544385A Calcined soda and gypsum crystal whisker co-production technology by Glauber's salt organic amine method |
| 09/24/2009 | US20090238740 Method of removing fluoride impurities from trona and preparation of sodium bicarbonate |
| 09/23/2009 | EP2103571A1 A method of removing fluoride impurities from trona and preparation of sodium bicarbonate |
| 09/23/2009 | CN101538056A Technical method for producing potassium carbonate by ion exchange method |
| 09/23/2009 | CN101538055A Production method of dense soda ash in high altitude localities |
| 09/16/2009 | CN101531383A Method for producing soda with low salty but high quality by solid-liquid phase hydration method altogether |
| 09/09/2009 | EP2097164A1 Integrated chemical process |
| 09/09/2009 | CN101526221A Process for incinerating cotton linter black liquor and recycling alkaline by utilizing heat conduction oil boiler |
| 09/02/2009 | CN101522566A Method for obtaining sodium carbonate crystals |
| 09/02/2009 | CN101519383A Process for jointly producing cyanuramide, sodium carbonate and ammonium chloride by using carbamide |
| 08/26/2009 | CN201296667Y Associated-alkaline mother solution purifying device system |
| 08/26/2009 | CN101516779A Polymeric core-shell nanoparticles with interphase region |
| 08/12/2009 | CN201288063Y Spray ammonia absorber |
| 08/12/2009 | CN101503204A Wet decomposition evaporation alkali production technique for NaHCO3 alkali halide |
| 08/06/2009 | WO2009062177A3 Systems and processes for producing high purity trona |
| 08/05/2009 | CN101500942A Process for the production of sodium bicarbonate |
| 07/22/2009 | CN100515948C Novel process for producing sesquiter soda |
| 07/22/2009 | CN100515947C Process for producing sodium carbonate using industrial salt dreg |
| 07/16/2009 | WO2009087149A1 Process for producing sodium carbonate |
| 07/16/2009 | WO2009087145A1 Process for producing sodium carbonate and/or sodium bicarbonate from an ore mineral comprising sodium bicarbonate |
| 07/16/2009 | WO2009087143A1 Process for producing sodium bicarbonate for flue gas desulphurization |
| 07/15/2009 | EP2078698A1 Process for producing sodium carbonate |
| 07/15/2009 | EP2078697A1 Process for producing sodium carbonate and/or sodium bicarbonate from an ore mineral comprising sodium bicarbonate |
| 07/15/2009 | CN101481124A Production process of potassium carbonate |
| 07/08/2009 | CN101475195A Process for preparing calcined soda by high salt low alkali forced-circulation carbonization |
| 07/08/2009 | CN100509629C Light soda ash fluidized calcining system and process thereof |
| 06/17/2009 | CN201258264Y Soda filtering machine |
| 06/11/2009 | US20090148729 Inorganic-hydrogen-polymer and hydrogen-polymer compounds and applications thereof |
| 06/10/2009 | EP2066586A1 Method for obtaining sodium carbonate crystals |
| 06/04/2009 | WO2009068670A1 Method of producing sodium carbonate decahydrate |
| 06/04/2009 | DE202006020665U1 Zusammensetzung zur Vernichtung von Fadenalgen Composition for the destruction of filamentous algae |
| 05/27/2009 | CN101443272A Methods and compositions for controlled and sustained production and delivery of peroxides |
| 05/27/2009 | CN101439867A Method for extracting potassium carbonate from cabo and refining carbon |
| 05/21/2009 | US20090131338 Anesthesia arousal composition |
| 05/14/2009 | WO2009062177A2 Systems and processes for producing high purity trona |
| 05/14/2009 | US20090123360 Inorganic hydrogen compounds |
| 05/13/2009 | CN101428915A Method for zero discharge processing of waste saponification lye of cyclohexanone produced by cyclohexane oxidation technology |
| 05/13/2009 | CN101428833A Process for producing calcined soda with trona |
| 05/13/2009 | CN101428824A Apparatus for concentrating and refining alkaline liquor |