Patents
Sitemap › C01 - Inorganic chemistry › C01D - Compounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium › C01D 5 - Sulfates or sulfites of sodium, potassium, or alkali metals in general
Patents for C01D 5 - Sulfates or sulfites of sodium, potassium, or alkali metals in general (1,848)
10/2012
10/17/2012CN202492374U Discharging device of nitrate production mother liquor
10/17/2012CN102351357B Resource utilization of waste water containing phenol and sodium sulfate and treating method
10/03/2012CN102698581A Method for producing sodium sulfate and sodium nitrate by simultaneous desulfurization and denitrification by soda-citric acid cobalt (II)
10/03/2012CN102697801A Manufacturing process of flavouring-containing medicinal mirabilite
10/03/2012CN101723845B Method for producing m-acetamino-N,N-diethyl aniline
09/2012
09/26/2012CN102690195A Para-hydroxybenzoic acid continuous production technique by liquid-phase method
09/26/2012CN102689999A Resourceful treatment method for silica gel waste water
09/19/2012CN102674405A Method for preparing potassium sulfate by using picromerite
09/19/2012CN102674404A Method and device for accurately feeding mannheim reaction furnace
09/19/2012CN102674403A Production method for preparing low chloride ammonium potassium sulfate in low energy crystallization process
09/19/2012CN102670644A Process for preparing high-purity medical mirabilite oral liquid
09/19/2012CN102030342B Method and device for recovering anhydrous sodium sulfate from hydroxy benzotriazole production waste liquor
09/12/2012CN102659143A Method for producing sodium metabisulfite or sodium sulphite by using gypsum as raw material
09/12/2012CN102659142A Preparation device and preparation method of sodium pyrosulfite and anhydrous sodium sulphite
09/12/2012CN102001688B Process for producing potassium sulfate by decomposing potassium feldspar at low temperature with fluorine-containing acid
09/05/2012CN102653407A Method for preparing potassium chloride from sulfate type salt lake brine
09/05/2012CN102652759A Process for preparing pharmaceutical mirabilite oral liquid containing dimethyl silicone oil
08/2012
08/29/2012CN102649594A Nitrate removal technology by membrane method
08/29/2012CN102311195B Recycling utilization and processing method for wastewater generated in sebacic acid production process
08/29/2012CN101563292B Method for the production of sodium sulphate and magnesium hydroxide
08/22/2012CN1512966B Methods of making cesium salts and other alkali metal salts
08/22/2012CN102642851A Production method of high-purity sodium bisulfite solution
08/22/2012CN101759578B Method for recovering useful ingredients in waste glycin mother liquor
08/16/2012US20120207666 Processing of manganous sulphate/dithionate liquors derived from manganese resource material
08/08/2012CN102627301A System and process of triple-effect cross-flow evaporation
08/08/2012CN102626674A Method for extracting vesuvius salt from carbonate saline lake
08/01/2012CN202358930U Production plant for original brine denitration
08/01/2012CN202358929U Sodium nitrate production device
08/01/2012CN102616891A Treating method for sewage containing sodium sulfate and sodium chloride
07/2012
07/25/2012CN102602946A Method for preparing high-specific-surface white carbon black by circularly utilizing waste water including sodium sulfate
07/25/2012CN102153157B ADC (Azodicarbonamide) foaming agent condensation mother liquor as well as washing waste water recycling device and method
07/25/2012CN102060313B Novel process for producing high-purify magnesium oxide from salt lake brine
07/25/2012CN102001690B Method for preparing industrial anhydrous sodium sulfate
07/25/2012CN101966997B Process and device for producing pyrotechnite from sodium sulfate decahydrate
07/25/2012CN101948122B Treatment method of crystalline material obtained through evaporation and concentration of vanadium oxide production wastewater
07/25/2012CN101844781B Manufacturing technique of high-purity thenardite
07/25/2012CN101723410B Method for recovering potassium elements from sintering ashes of steel and iron works and preparing potassium sulfate
07/18/2012CN202337695U 一种芒硝真空过滤脱水干燥系统 One kind of thenardite vacuum filtration drying system
07/18/2012CN102583452A Method and equipment for directly producing sodium sulfite by using sulfuric acid-containing gas
07/18/2012CN102583451A Method for preparing sodium sulfate and magnesium nitride compound fertilizer by processing astrakhanite
07/18/2012CN101985359B Method for preparing thiocyanate and sulfate by utilizing desulfuration waste liquor in coking plant
07/18/2012CN101830486B Preparation process of ultrafine particle thenardite
07/18/2012CN101637685B Comprehensive treatment method of sulfur-containing flue gas
07/12/2012US20120178633 Diagnostic composition for autoimmune diseases comprising agent measuring cd3z gene methylation level and a method for diagnosing autoimmune diseases using the same
07/11/2012CN202322403U 用于芒硝提取设备中的密闭罩 Glauber's salt extraction device for a sealed cover
07/11/2012CN202322402U 提取芒硝的设备 Glauber's salt extraction equipment
07/11/2012CN202322401U 用于芒硝提取设备中的支架 Glauber's salt extraction device for stent
07/11/2012CN102557320A Method for treating industrial wastewater containing ammonia, nickel, cobalt and sodium sulfate
07/11/2012CN102557081A Recycle method of byproduct mirabilite in caustic soda productive process
07/11/2012CN102107888B Method for preparing potassium sulphate
07/04/2012CN202297166U 用于芒硝提取设备中的网带 Glauber's salt extraction equipment for the network with
07/04/2012CN202289647U 用于提取芒硝的设备中的辊轮系统 Device for the extraction rollers in the Glauber system
07/04/2012CN102531263A Method for treating saponified wastewater generated in production process of epoxy compound
07/04/2012CN102531222A Treatment method for vanadium precipitating waste water
07/04/2012CN102531221A Method used for processing waste water after vanadium precipitation
07/04/2012CN102530998A Bloedite mineralizing brine mixing clear liquid nitre freezing process
07/04/2012CN102530997A Desulfurization product recycling technology and system
07/04/2012CN102530996A Method for industrially and continuously producing potassium sulfate at low temperature
07/04/2012CN102530995A Process for producing magnesium sulfate heptahydrate by mother liquor obtained after mirabilite freezing
07/04/2012CN102153111B Method for preparing anhydrous sodium hydrogen sulfate by using ethephon production waste liquid
07/04/2012CN102115407B Method for producing co-product of pentaerythritol as well as potassium formate and sodium sulfate
07/04/2012CN102060312B Method and device for preventing bittern delivery pipeline from scaling
07/04/2012CN101941721B Technique for producing medicinal mirabilite by continuous crystallization
06/2012
06/27/2012CN202284152U 一种制硝工艺中的热水回收利用装置 A process for producing a denitration process water recycling means
06/27/2012CN102515279A Comprehensive extraction method of ferro-silico-aluminum in gangue
06/27/2012CN102515209A Method for preparing industrial-grade sodium pyrosulfite from tail gas generated in production of acyl chloride
06/27/2012CN102515208A Method and apparatus for producing sodium sulfite through 100% recovery of boiler exhaust gas by sodium carbonate
06/27/2012CN102515207A Method for recovering sulfate radicals from dechlorinated light salt brine to prepare anhydrous sodium sulfate
06/27/2012CN102515206A Technological method and equipment for extracting mirabilite
06/27/2012CN102512931A Method for preparing sodium hydrosulphite by utilization of tail gas from acyl chloride production
06/20/2012CN202279702U 一种制硝蒸发罐的硝脚结构 Nitrate foot structure for a system of nitrate evaporation tank
06/20/2012CN102502986A Comprehensive utilization method of ionic membrane electrolytic saline solution waste liquid
06/20/2012CN102502715A Method for reclaiming reagent-grade anhydrous sodium sulfate from basic nickel carbonate production waste liquor
06/20/2012CN102502714A Nitrate preparation mother solution discharge method and discharge device therefor
06/20/2012CN102502713A Sodium sulphate preparation method and sodium sulphate foot structure of evaporator therefor
06/20/2012CN102502712A Hot water recovery device used in the preparation process of sodium sulfate
06/13/2012CN102491452A Process for treating sodium sulfate wastewater by using nanofiltration-reverse osmosis combined membrane
06/13/2012CN102491419A Method for comprehensively recycling waste vanadium catalyst
06/13/2012CN101709043B Method for comprehensively utilizing waste gas and waste liquid in production of biurea
06/07/2012WO2012074074A1 Method and for separation and collection of purified alkali metal salt
06/06/2012CN102115206B Method for producing ferrous carbonate and sodium sulfate from waste acid generated during titanium dioxide production through sulfuric acid method
05/2012
05/30/2012CN202246139U Treatment device for biurea condensation mother liquid
05/30/2012CN202246050U Device for co-producing pure hydrogen chloride and potassium sulfate/sodium sulfate
05/30/2012CN102476887A 一种提钒废水的处理方法 A vanadium wastewater treatment
05/30/2012CN102476880A 一种沉钒废水的处理方法 A Shen vanadium wastewater treatment
05/24/2012WO2012065731A1 Method for recovering potassium sulphate from biodiesel production
05/24/2012CA2817885A1 Method for recovering potassium sulphate from biodiesel production
05/23/2012CN102107973B Closed cyclic processing method for low-concentration acid wastewater during industrial production
05/23/2012CN102050471B Method for recycling sodium formate and sodium sulfite from waste sodium hydrosulfite liquid with sodium formate method
05/23/2012CN101948123B Technique for manufacturing anhydrous medicinal mirabilite
05/23/2012CN101734688B Production technique of sodium sulfate decahydrate and magnesium sulfate heptahydrate
05/22/2012US8182784 Process for the time recovery of sulphate of potash (SOP) from sulphate rich bittern
05/16/2012DE102010051512A1 Verfahren zur Gewinnung von Kaliumsulfat aus der Biodieselproduktion Process for the recovery of potassium sulfate from biodiesel production
05/16/2012CN202220084U Production equipment directly extracting sodium sulphate by acid bath
05/16/2012CN102452769A Processing method for waste alkali liquor in ethylene unit
05/16/2012CN102452696A Treatment method for high salt content and high COD alkaline residue neutralization water
05/16/2012CN102452674A Processing method for recycling sodium sulfate from waste alkali liquor in ethylene unit
05/16/2012CN102452673A Recovery processing method of waste alkaline liquor in ethylene plant
05/16/2012CN102452672A Method for recycling sodium sulfate from waste alkali liquor of ethylene unit
05/16/2012CN101804987B Preparation method of white carbon black
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