| Patents for C01D 7 - Carbonates of sodium, potassium, or alkali metals in general (1,753) |
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| 10/13/2011 | US20110250109 Process for the joint production of sodium carbonate and sodium bicarbonate |
| 10/12/2011 | EP2373583A1 A combined solid waste, carbon dioxide quicklime sparging, brine water, and reverse osmosis/ion exchange processes for the production of soda chemicals |
| 10/06/2011 | WO2011123817A2 Production of alkali bicarbonate and alkali hydroxide from alkali carbonate in an electrolytic cell |
| 10/05/2011 | CN102205979A Salt, alkali and calcium combined cycle production technology by the use of well mineral salt |
| 10/05/2011 | CN101575105B Equipment for preparing medical natrium bicarbonicum |
| 09/28/2011 | CN102198992A Treatment method for vanadium precipitation mother liquor wastewater |
| 09/28/2011 | CN102198953A Methods for coproducing sodium carbonate and ammonium sulfate from melamine tail gas and mirabilite |
| 09/28/2011 | CN102198952A Large-scale joint alkali-making circulation process |
| 09/28/2011 | CN101717100B Method for producing low-salt high-quality soda ash dense |
| 09/21/2011 | EP2142677B1 Reactor for separating aluminium from multi-layer film materials |
| 09/21/2011 | CN102190319A Novel process for refining brine |
| 09/21/2011 | CN102190318A Method for preparing potassium carbonate from mica ore obtained by carrying out floatation on potassium feldspar |
| 09/21/2011 | CN102188940A Crystallization method through gas-liquid biphasic reaction and apparatus thereof |
| 09/14/2011 | CN102180504A Method for preparing sodium carbonate and calcium hydroxide from waste lime residues generated in chlorohydrination method |
| 09/14/2011 | CN102180503A Method for preparing potassium carbonate and calcium hydroxide from chlorohydrination method waste lime residues |
| 09/14/2011 | CN102180481A Method for preparing caustic soda as well as potassium carbonate and potassium sulfide with waste alkali liquor in ethylene cracking |
| 09/14/2011 | CN101522566B Method for obtaining sodium carbonate crystals |
| 09/08/2011 | US20110217227 Combined solid waste, carbon dioxide quicklime sparging, brine water, and reverse osmosis/ion exchange processes for the production of soda chemicals |
| 09/07/2011 | CN102172598A Red mud slurrying multistage circulating dealkalization method |
| 08/31/2011 | EP2361224A1 Utilisation of desalination waste |
| 08/31/2011 | CN102171149A A combined solid waste, carbon dioxide quicklime sparging, brine water, and reverse osmosis/ion exchange processes for the production of soda chemicals |
| 08/31/2011 | CN102167382A Method for co-preparing barium nitrate, sodium carbonate and sodium hydrosulphite with barium mud |
| 08/31/2011 | CN102167366A Method for preparing potassium carbonate, iron carbonate and co-preparing aluminum sulfate and sodium sulfate using alum paste |
| 08/31/2011 | CN102166502A Efficient sieve plate carbonating tower with liquid phase as continuous phase |
| 08/24/2011 | EP2360121A2 Method for producing aerosol particles by spraying of an aqueous starting solution, aerosol particles obtainable by this method and their use |
| 08/24/2011 | CN102161494A Method for preparing carbonate and potassium sulphate blended product by using manganese-containing waste liquid |
| 08/17/2011 | CN201932917U 一种生产纯碱的系统 A process for producing soda ash system |
| 08/17/2011 | CN102153113A Process for producing mirabilite type bittern, sodium carbonate, sodium chloride, sodium sulfate and ammonium chloride |
| 08/17/2011 | CN102153112A Method and special cooling device for recovering pure alkali from molten-state saponifiable waste alkali liquor |
| 08/10/2011 | CN101570370B Method for high resource treatment of cyclohexanone waste saponification lye |
| 08/03/2011 | CN201914926U 一种联产纯碱和小苏打的系统 One kind of soda ash and baking soda cogeneration system |
| 08/03/2011 | CN102139905A Method for preparing mixed product of carbonate and magnesium sulfate from manganese-containing waste solution |
| 08/03/2011 | CN102139893A Method for preparing potassium carbonate |
| 08/03/2011 | CN102139892A Method for preparing potassium carbonate and ammonium sulfate by waste matter obtained in the production of sodium cyanate by urea method |
| 08/02/2011 | US7989384 Catalysts, activating agents, support media, and related methodologies useful for making catalyst systems especially when the catalyst is deposited onto the support media using physical vapor deposition |
| 07/27/2011 | CN102134084A System and method for producing calcined soda or producing calcined soda and baking soda |
| 07/27/2011 | CN101700897B Pharmaceutical grade anhydrous sodium carbonate and preparation method thereof |
| 07/14/2011 | WO2011082444A1 Process for the production of lithium carbonate |
| 07/14/2011 | US20110171105 System and Process for Capturing, Concentrating, or Crystallizing a Target Compound from a Mixture |
| 07/14/2011 | CA2786317A1 Process for the production of lithium carbonate |
| 07/13/2011 | EP2342261A1 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 |
| 07/13/2011 | CN102120601A Method for preparing carbonate and strontium sulfate mixed product from manganese-containing waste liquid |
| 07/06/2011 | CN201890775U Novel thick-gas soda production apparatus |
| 07/06/2011 | CN102115422A Method for producing co-product of pentaerythritol as well as lithium formate and sodium carbonate by waste liquid generated by preparation of pentaerythritol |
| 07/06/2011 | CN102115410A Method for preparing pentaerythritol as well as zinc formate and sodium carbonate |
| 07/06/2011 | CN102115409A Method for preparing pentaerythritol as well as magnesium formate and sodium carbonate |
| 07/06/2011 | CN102115408A Method for preparing pentaerythritol with co-production of potassium formate and sodium carbonate |
| 07/06/2011 | CN102115405A Method for preparing pentaerythritol as well as ammonium formate and sodium carbonate |
| 07/06/2011 | CN102115392A Method for producing pentaerythritol with co-production of strontium formate and sodium carbonate from waste liquid generated in pentaerythritol preparation |
| 07/06/2011 | CN102115391A Method for producing pentaerythritol, zinc formate and sodium carbonate with waste liquor generated during preparation of pentaerythritol |
| 07/06/2011 | CN102115390A Method for producing pentaerythritol and co-producing ammonium formate and sodium carbonate by utilizing waste liquid generated by preparing pentaerythritol |
| 07/06/2011 | CN102115366A Method for producing pentaerythritol and co-producing cobaltous formate and sodium carbonate by utilizing waste liquid generated by preparing pentaerythritol |
| 07/06/2011 | CN102115364A Method for preparing pentaerythritol, and co-producing manganese formate and sodium carbonate |
| 07/06/2011 | CN102115361A Method for producing pentaerythritol with co-production of manganous formate and sodium carbonate from waste liquid generated in pentaerythritol preparation |
| 07/06/2011 | CN102115129A Method for preparing mixed product of carbonate and zinc sulfate from manganese-containing waste liquid |
| 07/06/2011 | CN102115127A Method for preparing mixed product of carbonate and cobalt sulfate by manganese-containing waste liquid |
| 07/06/2011 | CN102115126A Method for preparing mixed product of carbonate and manganese sulfate by manganese-containing waste liquid |
| 07/06/2011 | CN102115125A Method for preparing mixed product of carbonate and lithium sulfate from manganese-containing waste liquid |
| 07/06/2011 | CN102115124A Method for preparing mixture of carbonates and ammonia sulfate by using manganese-containing waste liquor |
| 07/06/2011 | CN102115119A Method for preparing barium carbonate, calcium sulfide and sodium carbonate by using alkali sulfide waste residue |
| 07/06/2011 | CN101538056B Technical method for producing potassium carbonate by ion exchange method |
| 06/29/2011 | CN102107891A Method for treating free ammonia during sodium bicarbonate production and application |
| 06/29/2011 | CN102107890A Treatment method and application of mother liquor in production process of sodium bicarbonate |
| 06/29/2011 | CN102107889A Method for treating ammonium chloride in sodium bicarbonate mother solution at normal temperature |
| 06/23/2011 | US20110150744 Method for Drying Potash |
| 06/16/2011 | WO2011070384A1 Using the solid waste-quicklime membrane swqm process for the production of sodium hydroxide |
| 06/15/2011 | CN102092746A Treatment method of organic phase of sodium hydroxide in circulation fluid obtained by Bayer process modified by extraction |
| 06/15/2011 | CN101708858B Method for producing low-salt high-quality dense soda ash |
| 06/08/2011 | CN101696022B Process for producing food grade saleratus by double decomposition |
| 05/25/2011 | CN101044091B Method for crystallizing soluble salts of divalent anions from brine |
| 05/18/2011 | EP2321218A1 A process for the production of hcl gas from chloride salts and for the production of carbohydrates |
| 05/05/2011 | US20110104034 Hydride compounds |
| 04/27/2011 | CN102036915A Process for the joint production of sodium carbonate and sodium bicarbonate |
| 04/27/2011 | CN102030343A Shovelling plate for hydrated machine |
| 04/20/2011 | CN201801387U Sodium carbonate carbonizing thickening device |
| 04/20/2011 | CN201801386U Ammonia adding cooling device |
| 04/20/2011 | CN101121534B Ammonia-soda process mother liquid distillation tower scaring-proof method |
| 04/19/2011 | US7928033 Catalyst for reducing mercury, a mercury conversion unit, and an apparatus for measuring total mercury in combustion exhaust gas by using the same |
| 04/13/2011 | CN201793385U System for producing low-salt soda ash dense by liquid-phase hydration method |
| 04/13/2011 | CN102009986A Method for co-production of zeolite molecular sieves, high-grade activated carbon and industrial alkali metal salt from wastes in biomass power plants |
| 04/13/2011 | CN101323577B Method for extracting aniline and sodium carbonate and potassium carbonate from mixed alkaline residue in bipseudoindoxyl production |
| 04/13/2011 | CN101137580B Method for obtaining sodium carbonate crystals |
| 04/06/2011 | EP2305604A2 Purification method for an alkali metal chloride and method for producing an alkali metal hydroxide |
| 04/06/2011 | EP2303432A2 Carbon dioxide capture |
| 04/06/2011 | CN201783262U Multifunctional dust remover capable of desulphurization conversion of carbon dioxide for flue gas passage |
| 03/30/2011 | CN201777890U Mother liquor circulation equipment system in Hou's process |
| 03/30/2011 | CN201777889U Extraction device for sylvite in plant ash by reverse filter washing method |
| 03/30/2011 | CN101992015A Method for sequestering carbon dioxide |
| 03/30/2011 | CN101598927B Control system of soda carbonization technique based on neural network and control method thereof |
| 03/30/2011 | CN101303426B Method for removing colorful optical filter protection layer |
| 03/23/2011 | CN101987731A Method for preparing sodium hydroxide with co-production of sodium carbonate and calcium sulfide from waste sodium sulphide slags |
| 03/17/2011 | US20110064637 Process for the joint production of sodium carbonate and sodium bicarbonate |
| 02/23/2011 | EP2285743A1 Process for the joint production of sodium carbonate and sodium bicarbonate |
| 02/16/2011 | CN201748389U Apparatus for recovering waste heat of steam condensate in calcination plant |
| 02/10/2011 | US20110033355 Method and apparatus to sequester co2 gas |
| 02/09/2011 | CN201737724U Circulating treatment device for carbonized tower boiled liquid |
| 02/09/2011 | CN101111592B Modified sodium carbonate carrier material |
| 02/03/2011 | US20110027152 Combined process for preparing calcined soda by applying surface engineering technology to natural soda preparation |
| 02/03/2011 | DE102009035388A1 Verfahren und Vorrichtung zur Umwandlung von Kohlenmonoxid und Wasser in Kohlendioxid und Wasserstoff, mit der Abtrennung eines oder mehrer Produkte Method and apparatus for converting carbon monoxide and water into carbon dioxide and hydrogen, with the separation of one or more products |
| 02/03/2011 | DE102009035387A1 Verfahren und Anordnung zur Umwandlung von Kohlenmonoxid und Wasser in Kohlendioxid und Wasserstoff mit der Abtrennung von zumindest einem Produktgas Method and arrangement for the conversion of carbon monoxide and water into carbon dioxide and hydrogen with the separation of at least one product gas |