Patents for C01D 3 - Halides of sodium, potassium, or alkali metals in general (3,310) |
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02/13/2002 | EP1179506A2 Procedure for industrial use of mussel shells |
02/13/2002 | CN1335822A Method for reducing the bromide content in an aqueous bromide-containing solution using hydrogen peroxide |
02/13/2002 | CN1335261A Physical process of eliminating NaCl from mixed K and Mg salt with high Na salt content |
02/13/2002 | CN1335260A Halogenation process of preparing KCl |
02/06/2002 | CN1334239A Process for neutralizing and wettiong sodium hydroxide on solid surface directly with CO2 gas |
01/31/2002 | DE10033762A1 Verfahren zum Entbromen einer wäßrigen Salzlösung unter Verwendung von Ozon A method for Entbromen an aqueous salt solution using ozone |
01/30/2002 | CN1333182A Process for preparing sodium chloride from old bittern and bitter bittern |
01/24/2002 | WO2002006158A1 A method of producing salt |
01/22/2002 | US6340736 Sodium chloride brine streams, polycarbonates |
01/22/2002 | CA2092651C Method for producing alkaline metal hydroxide |
01/17/2002 | WO2002004363A1 Process for the debromination of an aqueous salt solution using ozone |
01/17/2002 | CA2413018A1 Process for the debromination of an aqueous salt solution using ozone |
01/16/2002 | EP1171649A1 Stabilized bromine solutions, method of manufacture and uses thereof for biofouling control |
01/16/2002 | CN2471767Y Hydraulic salt collector |
01/16/2002 | CN1331658A Method for reducing metal ion concentration in brain solution |
01/03/2002 | WO2002000551A2 A process and apparatus for brine purification |
12/20/2001 | US20010053345 Granulating or chemically treating a powdered inorganic salt containing an organic material, and then subjecting the material to heat treatment. |
12/19/2001 | CN1076317C Process for producing potassium sulfate |
11/15/2001 | US20010040305 Plant for producing pressure die-cast or injection moulded articles using salt cores |
11/14/2001 | EP1153887A2 Process for the purification of inorganic salt containing organic material |
11/14/2001 | EP0973692B1 Method for enriching raw salt |
11/14/2001 | CN1321610A Method for preparing potassium chloride from adkaline residue and potassium-containing rock |
11/07/2001 | CN2458279Y Efficient checker press for salt field |
11/07/2001 | CN1321102A Method of treatment of halogenous, organic waste material |
10/30/2001 | US6309530 Concentration of chlor-alkali membrane cell depleted brine |
10/25/2001 | WO2001079214A1 Removal of chloride from phosphonomethyliminodiacetic acid process |
10/25/2001 | WO2001079114A2 Salt comprising more than 95 wt. % of sodium chloride, use and preparation method thereof and method for measuring salt water content |
10/24/2001 | CN1318515A Preparation method of potassium sulfate with sulfate-type salt lake bittern containing potassium salt |
10/24/2001 | CN1073534C Salt extraction process and device |
10/18/2001 | DE19631520C2 Verfahren und Anlage zur soltechnischen Gewinnung von Evaporiten und Aufbereitung von Salzlösungen Process and apparatus for the solution mining of evaporites and preparation of salt solutions |
10/17/2001 | EP1144311A2 Method for reducing the bromide content in an aqueous bromide-containing solution using hydrogen peroxide |
10/16/2001 | CA2237425C Method for preparing a salt, particularly potassium chloride, by leaching and cooling a solution thereof |
09/27/2001 | US20010024676 Liquid vegetable salt preparation method and liquid vegetable salt |
09/26/2001 | CN1071707C Process for preparing potassium sulfate with chromium containing sodium sulfate |
09/20/2001 | WO2001067893A1 Method for manufacturing pure salt |
09/13/2001 | US20010021408 Plant extract |
09/12/2001 | EP1131265A1 Method for making an aqueous sodium chloride solution |
09/07/2001 | WO2000002815A3 Method for reducing the bromide content in an aqueous bromide-containing solution using hydrogen peroxide |
09/07/2001 | EP1144311A3 Method for reducing the bromide content in an aqueous bromide-containing solution using hydrogen peroxide |
09/05/2001 | EP1129032A1 Method for reducing metal ion concentration in brine solution |
09/04/2001 | US6284165 Methods of strengthening metal halide particles, and improved lamp fill material |
08/22/2001 | CN1309085A Process for separating alkaline-contg. hydrazine hydrate salt mud |
08/16/2001 | EP0821615B1 Nanofiltration of concentrated aqueous salt solutions |
08/09/2001 | US20010011645 Method for reducing metal ion concentration in brine solution |
08/07/2001 | US6270722 Stabilized bromine solutions, method of manufacture and uses thereof for biofouling control |
08/01/2001 | CN1069089C Salt mine bittern deaminasing method |
07/31/2001 | US6267789 Saturated solution od sodium chloride; controlling particle size |
07/25/2001 | EP1117463A1 A method of treatment of halogenous, organic waste material |
07/25/2001 | CN1304877A Process for preparing potassium chloride by 'decomposing separation' method |
07/25/2001 | CN1304683A Counter-distilling process for continuously preparing roasted salt |
07/18/2001 | EP1019322B1 Treatment of molten salt reprocessing wastes |
07/11/2001 | EP1113990A1 Method for producing sodium chloride crystals |
07/11/2001 | CN2438704Y Electronic sterilizing liquid generator |
07/03/2001 | US6254846 Process for purifying fumes and for manufacturing an aqueous sodium chloride solution |
07/03/2001 | CA2211281C Metal fluoride particles and a dental composition including said metal fluoride particles |
06/26/2001 | US6251358 Process for the preparation of sodium fluoride |
06/21/2001 | WO2000065607A8 Deactivation of metal liquid coolants used in nuclear reactor systems |
06/21/2001 | DE10033478A1 Sanitization of processing residues from the potash and rock salt industry comprises dissolving out soluble salts and recovering them as useful products |
06/13/2001 | EP1106643A2 Process for recovering lithium ion |
06/13/2001 | EP1106573A2 Process for separating a non-lithium hydroxide solid compound from a mixture |
06/13/2001 | CN1298848A Process for preparing K fertilizer from non-soluble potassium ore and waste ammonia-soda solution |
06/13/2001 | CN1298838A Process for preparing potassium chloride from alkali dregs and rock containing potassium |
06/06/2001 | CN1297847A Comprehensive utilization method of waste ammonia sode liquid and sodium sulfate containing waste liquid |
05/31/2001 | WO2001038419A1 Method and apparatus for the production of polycarbonates with brine recycling |
05/29/2001 | US6238544 Method of purification of salt solutions for electrolysis |
05/23/2001 | CN1296462A Process for removal for quaternary ammonium salt |
05/10/2001 | WO2001032585A1 Potassium chloride for fertilizer and process for producing the same |
05/08/2001 | US6228298 Spraying a solution of water soluble dicarboxylic acid or salts, release agents, counter rotation rolling and briquette pressing, drying |
04/12/2001 | WO2001025001A1 Beads of polycrystalline alkali-metal or alkaline-earth metal fluoride, their preparation and their use |
04/11/2001 | EP1090883A2 Process for increasing the concentration of diluted brine in NaCl electrolysis plants that work along the membrane process |
04/10/2001 | US6214235 Process for removal of quaternary ammonium salt |
03/21/2001 | CN1288286A Improvement and application of magnetohydrodynamic generation technology |
03/14/2001 | CN2423272Y Salt lake region regenerated salt mechanical pitting device |
03/01/2001 | WO2001014253A1 Flowable alkaline fluorides and alkaline earths fluorides |
03/01/2001 | WO2001014252A2 Method for reducing metal ion concentration in brine solution |
02/22/2001 | DE19939353A1 Fluoride mixtures, used in production of highly pure metal, in silver solder or as catalyst in organic reactions or for fluorinating organic compounds, contain alkali(ne earth) fluoride and small amount of silica |
02/21/2001 | EP0796223B1 Co-production of potassium sulfate, sodium sulfate and sodium chloride |
02/20/2001 | US6190636 Reacting alkali-metal sulfate with alkaline earth metal chloride; treating alkaline earth metal sulfate with ammonia/carbon dioxide or ammonium carbonate and ammonium bicarbonate to form alkaline earth metal carbonate |
01/25/2001 | DE19932955A1 Verfahren zur Aufbereitung von Salzsole und Alkalihalogenide, erhalten aus einem Verfahren zur Aufbereitung von Salzsole A process for the preparation of alkali metal halides and brine obtained from a process for the preparation of salt brine |
01/24/2001 | EP1070017A1 Process for removal of quaternary ammonium salt |
01/23/2001 | CA2279003A1 Process for removing aluminum species from alkali metal halide brine solutions |
01/18/2001 | WO2001004052A1 Method of preparing brine and alkali halides, obtained from a method of preparing brine |
01/16/2001 | US6175051 Deactivation of metal liquid coolants used in nuclear reactor systems |
01/16/2001 | US6173840 Beneficiation of saline minerals |
01/10/2001 | CN1279034A Process for preparing edible refined salt from separated salt |
12/21/2000 | WO2000065607B1 Deactivation of metal liquid coolants used in nuclear reactor systems |
12/20/2000 | CN1059641C Process for producing gypsum, sodium chloride and magnesium chloride from calcium-containing waste liquid and high- and low-temp. salt |
12/13/2000 | EP1059321A2 Process for manufacturing polyarylene sulfide |
12/07/2000 | WO2000073208A1 Pressed products of non-caking salt |
12/06/2000 | CN1275531A Method for directly obtaining low-sodium fine carnallitite |
12/05/2000 | US6156247 Method for producing salt grains having a given particle size |
11/22/2000 | CN1273941A Process for separating Mg and Li from high-Mg Li-contained bittern |
11/15/2000 | CN1273561A Salt making apparatus |
11/07/2000 | CA2016670C Process for scrubbing a water solution of metal alcaline chloride into ammoniac and iodine compositions |
11/02/2000 | WO2000065607A1 Deactivation of metal liquid coolants used in nuclear reactor systems |
11/01/2000 | CN1057978C Bittern comprehensive utilization method |
10/26/2000 | DE19917610A1 Verfahren zum Recycling von Alkalimetallfluoriden bzw. -bifluoriden Method for recycling alkali metal fluorides or -bifluoriden |
10/25/2000 | EP1046615A1 Method for recycling alkali metal fluoride or bifluoride values |
10/19/2000 | CA2305164A1 Process for recycling alkali metal fluorides and/or difluorides |
10/17/2000 | US6132591 Method for removal of sulfate groups and chlorate groups from brine |