Patents
Patents for C01D 7 - Carbonates of sodium, potassium, or alkali metals in general (1,753)
06/2013
06/12/2013CN103145156A Re-alkaline steam calcinator
06/12/2013CN103145155A Method for preventing damage on large rolling ring of steam roaster by automatic and skillful engine oil film coating process replacing water cooling process
06/12/2013CN102275937B Method for preparing sodium bicarbonate and white carbon black by utilizing wastes from rice hull power generation
06/12/2013CN102036914B A combined process for preparing calcined soda by applying surface engineering process into natural soda
06/12/2013CN101663236B Carbon dioxide sequestration and capture
06/05/2013CN202962342U Improved preliming barrel
06/05/2013CN103130248A Method for preparing potassium salt from biomass fuel boiler ash
06/05/2013CN102320631B Method for producing low-salt high-quality sodium carbonate by combined filtration
06/05/2013CN102303877B Method for preparing high purity potassium carbonate and high purity aluminium hydroxide through Baiyun ebo potash feldspar concentrate
06/05/2013CN101910064B Method of producing sodium carbonate decahydrate
05/2013
05/29/2013CN202953831U Heavy-alkali washing system
05/29/2013CN103121683A Easy separation method of benzene sulfonate and carbonate mixture
05/28/2013US8450017 Fuel-cell-based cogeneration system with radio frequency identification sensors
05/23/2013WO2013072722A1 Interconnected system and method for the purification and recovery of potash
05/23/2013CA2854103A1 Interconnected system and method for the purification and recovery of potash
05/22/2013CN103112874A Separating and recovering process for solid wastes
05/08/2013CN202924757U Carbonizing tower with tower top made of non-metal material
05/01/2013CN202912713U Sealed type furnace end for self-soda-returning steam calcining furnace
05/01/2013CN103074134A Method for preparing biogas and carbonate by straw wastes
04/2013
04/30/2013CA2584696C Method for crystallizing soluble salts of divalent anions from brine
04/18/2013US20130095011 Process for the joint production of sodium carbonate and sodium bicarbonate
04/17/2013CN202880919U Production system for synthetising soda ash by using caustic lye of soda
04/17/2013CN202880918U Calcining furnace
04/17/2013CN202880917U Connecting mechanism for race ring of calcining furnace
04/17/2013CN103042233A Method for quickly repairing surface radial deformation of large rolling ring of steam calcinator
04/10/2013CN102139893B Method for preparing potassium carbonate
04/03/2013CN202849083U Comprehensive utilization device of CO2 generated during sewage treatment
04/03/2013CN103025661A Process for the joint production of sodium carbonate and sodium bicarbonate
04/03/2013CN103025660A Impurities removal from waste solids in the production of soda ash, sodium bicarbonate and/or other derivatives
03/2013
03/27/2013CN102992357A Method for recovering alkali from red mud
03/21/2013WO2013036983A1 Process for producing lithium carbonate from concentrated lithium brine
03/20/2013CN202808388U Sodium bicarbonate pre-drying device for alkali combining system
03/14/2013US20130064752 Method for fixing carbon dioxide
03/13/2013EP2566815A1 Impurities removal from waste solids in the production of soda ash, sodium bicarbonate and/or other derivatives
03/13/2013CN102963931A Method for recycling byproduct chromium-containing sodium bicarbonate in process of producing sodium bichromate by using sodium chromium carbide
03/06/2013CN102952101A Process for producing epoxypropane by adopting caustic soda saponification method
03/06/2013CN102951769A Method for recycling saponification wastewater generated in process of producing epoxypropane by adopting caustic soda saponification method
03/06/2013CN102951660A Treatment method of cyclohexanone saponification alkali waste
02/2013
02/27/2013CN102942197A Arsenic alkali separation method for sodium arsenate composite salt
02/20/2013EP2558185A1 Co2 scrubber/separator using a cyclic carbonator for controlled carbonate/bicarbonate production
02/20/2013CN102935328A Method and device for preparing sodium carbonate by recycling tail gas of coal-fired boiler
02/13/2013CN102924956A Recovery, balance adjustment and comprehensive utilization technology for mixing alkali in indigo blue production
02/13/2013CN102923895A Method for disposing cyclohexanone saponified waste liquid
01/2013
01/31/2013WO2013014441A1 Conversion of gaseous carbon dioxide into aqueous alkaline and/or alkaline earth bicarbonate solutions
01/31/2013US20130028828 Conversion of gaseous carbon dioxide into aqueous alkaline and/or alkaline earth bicarbonate solutions
01/31/2013CA2846459A1 Conversion of gaseous carbon dioxide into aqueous alkaline and/or alkaline earth bicarbonate solutions
01/30/2013CN102897816A Deep recycling method of red mud
01/30/2013CN102190319B Novel process for refining brine
01/29/2013US8361361 Foaming agents for thermoplastic resins and method of preparing same
01/23/2013CN202687995U Combined soda mother liquor II feeding device
01/23/2013CN102892708A Process for the production of lithium carbonate
01/23/2013CN102172598B Red mud slurrying multistage circulating dealkalization method
01/17/2013WO2013009158A1 Method for producing hydrogen gas, alumina and sodium carbonate in a single stage from the reaction between aluminum particles and an aqueous solution of sodium hydroxide
01/16/2013CN102874848A Method for recovering sodium bicarbonate and organic acid sodium salt from cyclohexanone waste alkali solution
01/16/2013CN102874769A Method and device for oxidative conversion of sodium sulfide in alkali fusant
01/10/2013US20130011322 Method and apparatus on halting global warming
01/09/2013CN102115408B Method for preparing pentaerythritol with co-production of potassium formate and sodium carbonate
01/08/2013US8349964 Reversible polymer/metal nano-composites and method for manufacturing same
01/02/2013CN202643339U Hydrogen peroxide potassium carbonate concentrating device
01/02/2013CN202643338U Efficient platy type alkali cooling machine
01/02/2013CN102849764A Method for preparing pseudo-boehmite by pulverized fuel ash
01/02/2013CN102849758A Device for comprehensive utilization of CO2 generated in sewage treatment and method for producing NaHCO3 by the same
01/02/2013CN102153112B Method and special cooling device for recovering pure alkali from molten-state saponifiable waste alkali liquor
12/2012
12/20/2012US20120323021 Method for producing a high-purity aromatic methyl alcohol and high-purity aromatic methyl alcohol composition having excellent preservation stability
12/19/2012CN202609959U Device capable of preventing sodium carbonate from caking for calcining furnace
12/18/2012US8333942 Evaporite method to sequester carbon dioxide
12/06/2012WO2012164072A1 Sodium bicarbonate product with excellent flowability and its method of manufacture
12/05/2012CN202569831U Bag type dust collector especially used for soda dust collection
11/2012
11/29/2012US20120301375 Low energy method of preparing basic metal carbonates and other salts
11/22/2012WO2012129962A8 Full circulation process based on hou's process for soda manufacture
11/21/2012CN202542890U Equipment for recovering water vapor in heavy ash furnace gas
11/21/2012CN202542889U Soda production system
11/21/2012CN202542888U Black ash leaching device for soda ash production
11/21/2012CN202542887U Desalinating and cooling device for alkali cooling machine
11/20/2012US8314048 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
11/14/2012CN102775330A Recycling method of byproduct saline during preparation of hydrazine hydrate by using urea method
11/14/2012CN101636224B Integrated chemical process
11/07/2012CN102766159A Treatment method of glyphosate alkaline mother solution
11/01/2012US20120275987 Systems and methods for carbon sequestration of synthesis gas
10/2012
10/26/2012WO2012050437A3 Production of sodium bicarbonate from a basic process stream
10/24/2012CN102745723A Internal soda recycling steam calcination kiln
10/17/2012EP2509919A1 Using the solid waste-quicklime membrane swqm process for the production of sodium hydroxide
10/04/2012WO2012129962A2 Full circulation process based on hou's process for soda manufacture
10/04/2012US20120252999 Production of chemical compounds
10/03/2012CN202465306U Improved carbonization tower cleansing gas pipeline
10/03/2012CN102701238A Liquid feeding device and process of associated alkali mother liquor II
09/2012
09/26/2012CN202449866U Non-cold carbonizing tower for preparing sodium hydrogen carbonate
09/12/2012CN102660330A Method for co-producing various chemical products by taking coal, petroleum, natural gas and salt as raw materials
09/12/2012CN101955208B Method for preparing sodium carbonate decahydrate and ammonium sulfate from waste obtained by producing sodium cyanate with urea method
09/12/2012CN101955207B Method for preparing sodium carbonate and ammonium sulfate from waste obtained in process of producing sodium cyanate by urea method
09/11/2012US8263030 Controlled in-situ dissolution of an alkali metal
09/05/2012CN101955206B Metod for preparing sodium carbonate heptahydrate and ammonium sulfate from wastes produced in process for producing sodium cyanate by urea method
09/05/2012CN101955205B Method for preparing monohydrate sodium carbonate and ammonium sulfate from wastes produced in process for producing sodium cyanate by urea method
09/04/2012CA2599508C Process for jointly obtaining a chlorine derivative and crystals of sodium carbonate
08/2012
08/30/2012WO2012116058A1 Selective salt recovery from mixed salt brine
08/30/2012US20120220019 Air collector with functionalized ion exchange membrane for capturing ambient co2
08/30/2012CA2827921A1 Selective salt recovery from mixed salt brine
08/23/2012US20120213689 Selective Salt Recovery from
08/09/2012DE102009035387B4 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
08/08/2012CN102205979B Salt, alkali and calcium combined cycle production technology by the use of well mineral salt
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