| Patents for C01D 7 - Carbonates of sodium, potassium, or alkali metals in general (1,753) |
|---|
| 08/07/2012 | US8236268 Process for producing sodium hydrogencarbonate crystal particles having low caking property |
| 08/01/2012 | CN202358931U Novel combined-soda calciner |
| 08/01/2012 | CN102616814A Equipment for recovering water vapor in heavy ash furnace gas and method for recovering water vapor in heavy ash furnace gas by using equipment |
| 07/25/2012 | CN102602964A Process method for reinforced alkali-united filtration |
| 07/18/2012 | CN101918316B Process for producing sodium carbonate and/or sodium bicarbonate from an ore mineral comprising sodium bicarbonate |
| 07/12/2012 | WO2012067348A3 Method for preparing high-purity lithium carbonate from brine |
| 07/11/2012 | CN202322404U 微粉碎设备 Pulverizing equipment |
| 07/11/2012 | CN102557082A Heating system for self-soda-returning steam heating calciner |
| 07/11/2012 | CN102557050A New process for comprehensively utilizing potassium feldspar |
| 07/04/2012 | CN102531001A Comprehensive soda ash producing process and product application thereof |
| 07/04/2012 | CN102531000A Non-cold carbonizer for preparing sodium bicarbonate |
| 07/04/2012 | CN102530999A Method for producing monohydrate sodium carbonate by virtue of liquid phase hydration |
| 07/04/2012 | CN101913628B Process for preparing electronic grade potassium carbonate by separating potassium and sodium in mixed alkali liquor and |
| 07/04/2012 | CN101683995B Energy-saving using method for circular batching of carbon mother liquor |
| 06/27/2012 | CN102515387A Method for treating organic wastewater |
| 06/27/2012 | CN102515213A Integrated utilization method of low grade magnesite |
| 06/27/2012 | CN102515210A Method for producing potassium bicarbonate through self-carbonization multiple-effect cross flow continues evaporation crystallization |
| 06/26/2012 | US8206670 Process for producing sodium bicarbonate for flue gas desulphurization |
| 06/20/2012 | CN102502718A Carbonization crystallization technology in process for producing sodium carbonate through Hou's method |
| 06/20/2012 | CN102502717A Method for producing low-salt high-quality heavy sodium carbonate |
| 06/20/2012 | CN102502716A Technology for cooling ammonia mother liquor I in crystallizing working section during combined soda producing process |
| 06/20/2012 | CN101643224B Combined type self soda-returning calcining furnace body and manufacturing method thereof |
| 06/19/2012 | US8202659 Method for obtaining sodium carbonate monohydrate crystals |
| 06/14/2012 | WO2012076915A1 Using alkaline fly ash and similar byproducts in an ion-exchange/reverse osmosis process for the production of sodium carbonate |
| 06/13/2012 | CN102491374A Method for alkali making by membrane crystallization |
| 06/07/2012 | WO2012074074A1 Method and for separation and collection of purified alkali metal salt |
| 06/07/2012 | US20120141745 Simplified control of color shifting properties of a chiral liquid crystal polymer |
| 06/07/2012 | US20120141690 Process for permanent deformation of keratin fibers |
| 06/07/2012 | US20120141352 System and method for separating high molecular weight gases from a combustion source |
| 06/06/2012 | CN101870487B Process for producing aluminium hydroxide and cement by utilizing fly ash |
| 06/06/2012 | CN101857253B Process for producing aluminium hydroxide, silicic acid and sodium carbonate by utilizing fly ash |
| 06/05/2012 | US8192712 Carbon manufacturing method |
| 05/30/2012 | CN202246119U Carbonating tower for sodium bicarbonate preparation |
| 05/30/2012 | CN102476816A 一种药品级无水碳酸钠的生产工艺 A pharmaceutical grade anhydrous sodium carbonate production process |
| 05/30/2012 | CN102476815A 一种药品级碳酸氢钠的生产工艺 A pharmaceutical grade sodium bicarbonate production process |
| 05/30/2012 | CN102476790A 一种以KCl为原料熔态水解法制备盐酸和碳酸钾的方法 A method to prepare material for KCl molten hydrolysis of hydrochloric acid and potassium carbonate |
| 05/24/2012 | WO2012067348A2 Method for preparing high-purity lithium carbonate from brine |
| 05/23/2012 | CN101962201B Method for preparing potassium carbonate and ammonium sulfate from wastes obtained in the process of producing sodium cyanate by urea method |
| 05/23/2012 | CN101962199B Method for preparing potassium carbonate monohydrate and ammonium sulfate from waste obtained from producing sodium cyanate by urea method |
| 05/23/2012 | CN101955204B Method for preparing potassium carbonate dihydrate and ammonium sulfate from wastes produced in process for producing sodium cyanate by urea method |
| 05/09/2012 | CN102442688A Method for processing sodium oxalate crystallized from industrial sodium aluminate solution |
| 05/09/2012 | CN101195494B Improved technique for producing alkali with double decomposition reaction |
| 05/02/2012 | CN102432041A Carbonization cleaning process of carbonizer for producing heavy soda ash |
| 05/02/2012 | CN102432040A Method for treating fly ash of chromic salt rotary kiln |
| 05/02/2012 | CN101486780B Apparatus and method for utilizing exhuast gas desulfurization by-product |
| 04/25/2012 | CN102424406A 重质纯碱的结晶体工艺 Crystal craft heavy soda ash |
| 04/25/2012 | CN102424405A Large-scale pressure carbonization tower |
| 04/25/2012 | CN102424404A 以循环利用的碳酸钙与盐为原料联产纯碱与盐酸的工艺 Recycling calcium carbonate to a salt with sodium carbonate and hydrochloric acid as raw materials in the process of cogeneration |
| 04/19/2012 | US20120093708 Device and method for extracting and separating sodium and potassium |
| 04/04/2012 | CN202181218U 一种大型加压碳化塔 A large, pressurized carbonation tower |
| 03/28/2012 | CN202173820U 清碱液过滤箱 Qing lye filter box |
| 03/22/2012 | WO2012036012A1 Production method for acidic component remover, and method for removing acidic component in gas |
| 03/21/2012 | CN102387993A Removal of impurities in the production of crystalline sodium carbonate, bicarbonate, or sulfite |
| 03/15/2012 | WO2012033752A1 Installation and sealing of a battery on a thin glass wafer to supply power to an intraocular implant |
| 03/15/2012 | WO2011149517A3 Methods for recycling carbonate byproducts in a hydrogen producing reaction |
| 03/15/2012 | US20120063974 Method of Beneficiating and Drying Trona Ore Useful for Flue Gas Desulfurization |
| 03/15/2012 | CA2810693A1 Installation and sealing of a battery on a thin glass wafer to supply power to an intraocular implant |
| 03/14/2012 | CN102374793A Light soda calcinator dedusting technology |
| 03/07/2012 | CN102009986B Method for co-production of zeolite molecular sieves, high-grade activated carbon and industrial alkali metal salt from wastes in biomass power plants |
| 03/06/2012 | US8128899 Process and apparatus for utilizing oxygen-containing polymers |
| 02/21/2012 | US8119091 Carbon dioxide capture |
| 02/15/2012 | CN102351219A Carbon dioxide removal method of combined alkali making method |
| 02/15/2012 | CN102351218A Process for removing carbon dioxide in combined alkali preparation method |
| 02/15/2012 | CN102350435A Novel process for treating indigo alkaline residue |
| 02/08/2012 | CN202139065U 一种改进的重碱固液分离用装置 An improved solid-liquid separation device bicarbonate |
| 02/01/2012 | EP2411123A1 Method for treating exhaust gases comprising sulfur oxides |
| 01/26/2012 | WO2011123817A3 Production of alkali bicarbonate and alkali hydroxide from alkali carbonate in an electrolytic cell |
| 01/18/2012 | CN102320631A Method for producing low-salt high-quality sodium carbonate by combined filtration |
| 01/11/2012 | EP2403806A1 Removal of impurities in the production of crystalline sodium carbonate, bicarbonate, or sulfite |
| 01/11/2012 | CN102312388A Method of comprehensive utilization of black liquor from alkaline pulping |
| 01/11/2012 | CN102311824A Method for purifying byproducts of soda ash and sodium sulphide by utilizing methane |
| 01/11/2012 | CN102311820A Method for producing artificial liquefied gas by compressing methane and acetylene gas |
| 01/04/2012 | CN102307809A Process for producing gas from mineral ore |
| 01/04/2012 | CN102303877A Method for preparing high purity potassium carbonate and high purity aluminium hydroxide through Baiyun ebo potash feldspar concentrate |
| 12/29/2011 | WO2011161120A1 Process for the joint production of sodium carbonate and sodium bicarbonate |
| 12/29/2011 | US20110318252 Process for producing gas from mineral ore |
| 12/28/2011 | EP2399866A1 Process for the joint production of sodium carbonate and sodium bicarbonate |
| 12/21/2011 | CN102284189A 一种新型混浆循环式结晶器及其应用 Mixing a new circulation crystallizer and its application |
| 12/21/2011 | CN101837997B 用纯碱废盐泥制备碳酸镁联产碳酸钠和硫酸钙的方法 Preparation of soda ash waste salt mud magnesium carbonate and calcium sulfate generation methods |
| 12/14/2011 | CN102282106A 淡化废水的利用 Dilute the use of wastewater |
| 12/14/2011 | CN102275937A 利用稻壳发电废弃物制备小苏打和白炭黑的方法 Use of waste preparation method of baking soda and silica rice husk power generation |
| 12/13/2011 | CA2515712C Method for recovering purified sodium bicarbonate and ammonium sulfate |
| 12/07/2011 | CN101693543B 一种综合利用硼精矿、含硼铁精矿、硼镁铁矿的方法 One boron ore, iron ore boron, boron, magnesium ore utilization methods |
| 12/01/2011 | WO2011149517A2 Methods for recycling carbonate byproducts in a hydrogen producing reaction |
| 11/30/2011 | CN102264644A 联合生产碳酸钠和碳酸氢钠的方法 Joint production of sodium carbonate and bicarbonate methods |
| 11/23/2011 | CN102257033A 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 |
| 11/23/2011 | CN102249266A Method for preparing sodium carbonate and sodium sulfite |
| 11/23/2011 | CN102249264A Method for preparing sodium hydroxide and co-producing sodium carbonate and calcium sulfide |
| 11/23/2011 | CN101381284B Method for decomposing sodium phenolate using low CO2-content exhaust gas |
| 11/16/2011 | CN202038873U Device adopting sulfonating tail gas absorbing liquid to prepare mirabilite |
| 11/16/2011 | CN102240120A Cooling pad |
| 11/15/2011 | US8057765 Methods for constructing underground borehole configurations and related solution mining methods |
| 11/10/2011 | WO2011138005A1 Impurities removal from waste solids in the production of soda ash, sodium bicarbonate and/or other derivatives |
| 11/10/2011 | US20110274599 Impurities removal from waste solids in the production of soda ash, sodium bicarbonate and/or other derivatives |
| 11/10/2011 | DE102010019554A1 Verfahren zur Abreicherung von Magnesium und Anreicherung von Lithium in chloridisch geprägten Salzlösungen A method for the depletion of magnesium and lithium in enrichment of chloridisch embossed salt solutions |
| 11/03/2011 | US20110268633 Utilisation Of Desalination Waste |
| 10/26/2011 | CN202016881U System for producing soda ash and ammonium sulfate |
| 10/26/2011 | CN101302010B By-product carbon dioxide cogeneration carbonas in giobertite process and application method thereof to sewage disposal |
| 10/20/2011 | WO2011129707A1 Co2 scrubber/separator using a cyclic carbonator for controlled carbonate/bicarbonate production |
| 10/19/2011 | CN202010511U Carbonizing device used for carbon dioxide absorption |