| Patents for C01D 7 - Carbonates of sodium, potassium, or alkali metals in general (1,753) |
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| 02/19/2014 | CN102616814B Equipment for recovering water vapor in heavy ash furnace gas and method for recovering water vapor in heavy ash furnace gas by using equipment |
| 02/12/2014 | CN103570047A Method for preparing compound through double decomposition reaction by using recyclable assistants |
| 02/05/2014 | CN103554995A Method for recycling mixed alkali liquor in indigo production |
| 02/05/2014 | CN103554952A Device for recycling mixed alkali from indigo-dyed product |
| 02/05/2014 | CN103553083A Improved combined-soda filter method |
| 02/05/2014 | CN103553067A Method for producing total-potassium W-type molecular sieve by utilizing KOH alkali-activated potassium feldspar |
| 02/05/2014 | CN103551099A Spray absorber type carbonization reaction device for alkali balance in indigo production |
| 01/29/2014 | EP2007681B1 Use of ultra-fine sodium bicarbonate powder for preparation of foaming agent |
| 01/29/2014 | CN203411426U Zero-emission mixed waste lye treatment system |
| 01/29/2014 | CN103537248A Mixed alkali recovery venturi injection type reaction device |
| 01/29/2014 | CN102257033B 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 |
| 01/22/2014 | CN103523802A Purification method for preparing alkali mother liquor II by employing combined soda process |
| 01/15/2014 | CN203392873U Molten alkali cooling recovery device for soap lye |
| 01/15/2014 | CN103517877A Method for preparing high-purity lithium carbonate from brine |
| 01/15/2014 | CN103508469A Purification method of sodium carbonate solution in lithium carbonate production |
| 01/09/2014 | WO2014007033A1 Method for treating saline wastewater and device for treating same |
| 01/09/2014 | WO2014007032A1 Method and device for treating saline wastewater |
| 01/09/2014 | WO2014006742A1 Device for treating saline wastewater and method for treating same |
| 01/09/2014 | WO2014006741A1 Method and device for treating saline wastewater |
| 01/07/2014 | US8623316 Combined solid waste, carbon dioxide quicklime sparging, brine water, and reverse osmosis/ion exchange processes for the production of soda chemicals |
| 01/03/2014 | WO2013126092A3 Method of producing soda ash and calcium chloride |
| 01/02/2014 | DE102009035388B4 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 |
| 01/01/2014 | CN103482659A Process and devices for evaporation of ammonium chloride by combined alkali process |
| 12/31/2013 | US8618020 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 |
| 12/25/2013 | CN203360021U Heavy-ash dust alkali removing device |
| 12/25/2013 | CN103466663A Production method for agricultural ammonium chloride and industrial sodium bicarbonate |
| 12/25/2013 | CN102951769B Method for recycling saponification wastewater generated in process of producing epoxypropane by adopting caustic soda saponification method |
| 12/19/2013 | WO2013185984A1 Method and installation for mechanically separating a solid from a solid-liquid mixture and subsequent thermal treatment of the solid |
| 12/18/2013 | CN103449653A Combined treatment method for sodium chloride-containing wastewater generated in dressing and smelting of rare earth |
| 12/12/2013 | DE102012105076A1 Verfahren und Anlage zur mechanischen Abtrennung eines Feststoffes von einem Feststoff-Flüssigkeit-Gemisch und anschließenden thermischen Behandlung des Feststoffes Method and apparatus for mechanical separation of a solid from a solid-liquid mixture and subsequent thermal treatment of the solid |
| 12/11/2013 | CN103435076A Cooling and recycling device and method for saponification liquid molten alkali |
| 12/11/2013 | CN103435075A Water washing method for carbonization tower and device thereof |
| 12/10/2013 | US8603214 Modifying flux for molten aluminium |
| 12/04/2013 | CN103420402A Method for extracting soluble potassium from potassium feldspar through alkaline process |
| 12/04/2013 | CN103420399A Method for extracting soluble potassium from potassium feldspar by using acid process |
| 12/04/2013 | CN102282106B Utilisation of desalination waste |
| 11/28/2013 | WO2013140039A8 Method for recovering lithium carbonate |
| 11/27/2013 | CN103415471A Selective salt recovery from mixed salt brine |
| 11/27/2013 | CN102515210B Method for producing potassium bicarbonate through self-carbonization multiple-effect cross flow continues evaporation crystallization |
| 11/26/2013 | US8591852 Method of producing soda ash and calcium chloride |
| 11/20/2013 | CN203295212U Carbonizer |
| 11/20/2013 | CN203295211U Screw inner-water-cooling type alkali cooling machine |
| 11/13/2013 | CN203281109U Alkali filtering machine equipped with pre-scraping unloading device |
| 11/06/2013 | CN102602964B Process method for reinforced alkali-united filtration |
| 11/06/2013 | CN102424406B Process for crystals of heavy sodium carbonate |
| 11/06/2013 | CN102374793B Light soda calcinator dedusting technology |
| 10/31/2013 | WO2013160710A1 Low energy cyclic method that uses soluble metallic salts in alkaline wastes to sequester carbon dioxide |
| 10/30/2013 | CN103373737A Technical method for preparing sodium carbonate by tronite trona |
| 10/16/2013 | EP2648829A1 Using alkaline fly ash and similar byproducts in an ion-exchange/reverse osmosis process for the production of sodium carbonate |
| 10/16/2013 | CN103351891A New process for carrying out desulfurization, decyanation and decarbonization by using sodium hydroxide and separating reaction products |
| 10/16/2013 | CN103351009A Internal alkali returning steam calcining furnace |
| 10/16/2013 | CN102284189B Novel slurry circular-type crystallizer and application thereof |
| 10/16/2013 | CN101573295B Dust material heating process |
| 10/03/2013 | WO2013148279A1 Methods and systems for utilizing carbide lime |
| 10/02/2013 | CN103332704A Inner water-cooled type alkali cooling machine with threaded rod |
| 09/26/2013 | WO2013140039A1 Method for recovering lithium carbonate |
| 09/25/2013 | EP2641870A2 Method for preparing high-purity lithium carbonate from brine |
| 09/19/2013 | WO2013134879A1 Enzyme enhanced production of bicarbonate compounds using carbon dioxide |
| 09/19/2013 | US20130243920 Teeth color maintenance composition for addition into beverages |
| 09/18/2013 | CN203200038U Steam calcining furnace capable of returning alkali |
| 09/18/2013 | CN103303946A Sodium bicarbonate crystal preparation equipment and process for preparing sodium bicarbonate crystals by utilizing same |
| 09/18/2013 | CN102312388B Method of comprehensive utilization of black liquor from alkaline pulping |
| 09/04/2013 | CN203173837U Device for reducing content of sodium bicarbonate |
| 09/04/2013 | CN103274432A Method for comprehensively utilizing hydrazine hydrate by-product sodium carbonate decahydrate through urea method |
| 09/04/2013 | CN102557050B New process for comprehensively utilizing potassium feldspar |
| 09/04/2013 | CN102432040B Method for treating fly ash of chromic salt rotary kiln |
| 08/29/2013 | WO2013124652A1 Sodium bicarbonate product |
| 08/28/2013 | CN103269769A Using alkaline fly ash and similar byproducts in an ion-xchange/reverse osmosis process for the production of sodium carbonate |
| 08/28/2013 | CN102351219B Carbon dioxide removal method of combined alkali making method |
| 08/28/2013 | CN102351218B Process for removing carbon dioxide in combined alkali preparation method |
| 08/27/2013 | US8518854 Heterogeneous, composite, carbonaceous catalyst system and methods that use catalytically active gold |
| 08/22/2013 | US20130216467 Method of producing soda ash and calcium chloride |
| 08/21/2013 | CN102188940B Crystallization method through gas-liquid biphasic reaction and apparatus thereof |
| 08/14/2013 | CN103242182A Clean production technology of glycine |
| 08/07/2013 | CN203112523U Calcining furnace sealing and compacting device |
| 08/07/2013 | CN103237760A Method for separation and collection of purified alkali metal salt |
| 08/07/2013 | CN102502716B Technology for cooling ammonia mother liquor I in crystallizing working section during combined soda producing process |
| 08/07/2013 | CN102424405B Large-scale pressure carbonization tower |
| 08/07/2013 | CN101734689B Method and device for separating and recycling alkali waste in cyclohexane oxide solution |
| 08/06/2013 | CA2602752C Scavengers for removal of acid gases from fluid streams |
| 08/01/2013 | WO2013083226A8 Anhydrous sodium carbonate with few pores |
| 07/31/2013 | CN102660330B Method for co-producing various chemical products by taking coal, petroleum, natural gas and salt as raw materials |
| 07/24/2013 | CN102134084B System and method for producing calcined soda or producing calcined soda and baking soda |
| 07/18/2013 | WO2013106294A1 Boundary layer carbonation of trona |
| 07/17/2013 | EP2614036A1 Installation and sealing of a battery on a thin glass wafer to supply power to an intraocular implant |
| 07/17/2013 | CN103203174A Method for collecting SO2 and CO2 in flue gas from coal-fired power plant and producing chemical products |
| 07/17/2013 | CN102502718B Carbonization crystallization technology in process for producing sodium carbonate through Hou's method |
| 06/27/2013 | WO2013092754A1 Process for the joint production of sodium carbonate and sodium bicarbonate |
| 06/27/2013 | WO2013092650A1 Process for preparing sodium bicarbonate particles |
| 06/26/2013 | EP2607314A1 Solution mining of ore containing sodium carbonate and bicarbonate |
| 06/26/2013 | EP2607313A1 Solution mining of ore containing sodium carbonate and bicarbonate |
| 06/26/2013 | EP2607312A1 Process for preparing sodium bicarbonate particles |
| 06/26/2013 | CN103172090A Process for producing sodium bicarbonate |
| 06/26/2013 | CN103172089A Method for preparing sodium bicarbonate |
| 06/20/2013 | DE102012003487B3 Producing sodium bicarbonate from sodium carbonate-containing first stream, comprises e.g. mixing first stream with second stream portion, bicarbonizing flow, separating aqueous suspension and partially decarbonizing aqueous mother liquor |
| 06/20/2013 | DE102012003485B3 Preparing sodium bicarbonate comprises mixing stream containing sodium carbonate and water-soluble alkali metal salt impurity, bicarbonizing obtained stream with gas comprising carbon dioxide and separating suspension comprising crystals |
| 06/13/2013 | WO2013083226A1 Anhydrous sodium carbonate with few pores |
| 06/13/2013 | CA2858422A1 Anhydrous sodium carbonate having a low pore content |
| 06/12/2013 | CN202988761U Refueling device and sealed furnace end for self-alkali-returning steam calcining furnace |
| 06/12/2013 | CN103145157A Method for producing low-salt dense soda ash |