| Patents for C01D 3 - Halides of sodium, potassium, or alkali metals in general (3,310) |
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| 09/01/1994 | WO1994019706A1 Substance sensitive to ionizing radiation |
| 08/24/1994 | EP0606447A4 Method for producing tetrafluorosilane and aluminum fluoride by hydrofluoric acid digestion of silica/alumina matrix. |
| 08/24/1994 | CN1025727C Potassium chloride preparing by chloride type patassium brine |
| 08/18/1994 | WO1994018119A1 Method for scrubbing pollutants from an exhaust gas stream |
| 08/18/1994 | WO1994018117A1 Process for the production of hydrogen |
| 08/18/1994 | WO1994017898A1 Off-gas scrubber system |
| 08/16/1994 | US5338449 Brine refining apparatus |
| 08/10/1994 | EP0609839A2 Method for electrolyzing an alkali metal chloride |
| 07/27/1994 | EP0608087A2 Dehydration of fluoride mixtures |
| 07/27/1994 | EP0607153A1 Method and apparatus for treating water and/or wastewater |
| 07/20/1994 | EP0606447A1 Method for producing tetrafluorosilane and aluminum fluoride by hydrofluoric acid digestion of silica/alumina matrix. |
| 07/20/1994 | CA2113707A1 Dehydration of mixtures |
| 07/06/1994 | EP0604718A2 Evaporative salt plant |
| 07/06/1994 | CN1088888A Method for fixing saltern vaporizing zone bedding film |
| 07/06/1994 | CN1025320C Process for purifying high purity sodium iodide |
| 07/06/1994 | CN1025319C Sodium bromide extracting method |
| 07/01/1994 | CA2103007A1 Salt plant evaporation |
| 06/29/1994 | EP0603218A1 Method for producing an aqueous industrial sodium chloride solution. |
| 06/22/1994 | EP0602081A1 Process for producing concentrated hypochlorous acid solutions |
| 06/22/1994 | EP0497880B1 Plate evaporator |
| 06/21/1994 | US5322677 Process for producing concentrated hypochlorous acid solutions |
| 06/08/1994 | CN1087602A Bittern-making method by spreading air cushion film in evaporation pond |
| 05/31/1994 | CA1329917C Process for the production of alkali metal chlorate |
| 05/18/1994 | CN2165127Y Negative pressure direct-reading type osmometer for saltern |
| 05/11/1994 | EP0595861A1 Method for producing an aqueous sodium chloride solution |
| 05/04/1994 | EP0595079A1 Process for the reaction of CFC's with alkali metal dispersions |
| 04/27/1994 | CN2163185Y Drainage valve for salt pan |
| 04/20/1994 | EP0592998A1 Method for the preparation of pellets of metal halide |
| 04/20/1994 | CN1085466A Technology & equipment for preparing magnesium sulfate and table salt by high temperature salt oscillating separation |
| 04/13/1994 | CN2161603Y Machine for salt pan |
| 04/13/1994 | CN1085187A Method for preparing alpha-alumina particles with nanometers size |
| 04/12/1994 | US5302246 Method of managing liquid steams in a pulp mill |
| 04/06/1994 | CN1084824A Process for the purification of an aqueous solution of alkali metal chloride to remove iodine |
| 04/05/1994 | US5300123 Method of reforming soluble salts to effect purification and increase crystal size thereof |
| 03/23/1994 | CN1084138A Method for separating high temp. salt into industrial salt and magnesium sulfate |
| 03/01/1994 | US5290535 Process for recycling saltcake |
| 02/15/1994 | US5286473 Reacting alkali metal with hydrochloric acid or water, heating formed chloride with aluminum to produce aluminum chloride and reusable alkali metal |
| 02/02/1994 | EP0460110B1 Process for the continuous recovery of hydrogen fluoride gas |
| 01/26/1994 | CN1081158A Salt-making equipment with moving crystallizing bed |
| 01/25/1994 | US5281242 Heating mixture of epsomite and halite crystals, to form clusters of magnesium sulfate crystals, pressurization, separation |
| 01/20/1994 | WO1994001364A1 Method for producing tetrafluorosilane and aluminum fluoride by hydrofluoric acid digestion of silica/alumina matrix |
| 01/20/1994 | CA2116557A1 Method for producing tetrafluorosilane and aluminum fluoride by hydrofluoric acid digestion of silica/alumina matrix |
| 01/18/1994 | US5279717 Process for removing chlorate salt from aqueous alkali chloride solution |
| 01/12/1994 | CN2152789Y Multipurpose job machine for saltfield |
| 01/12/1994 | CN2152788Y Seawater evaporator |
| 01/05/1994 | DE4214950C1 Increasing yield in electrostatic sepn. of hard salt contg. carnallite - by recycling residue from potash purificn. stage to potash sepn. from kieserite |
| 01/05/1994 | CN1080290A Comprehensive utilization method of tea waste |
| 12/29/1993 | EP0576335A1 Process for purification of aqueous alkali metal chloride solution for removal of iodine |
| 12/29/1993 | EP0575961A2 Preparation of potassium and cesium fluorides |
| 12/29/1993 | CN2151136Y Rolling drainage gate for salt production |
| 12/22/1993 | EP0500648B1 Evaporation and condensation apparatus |
| 12/08/1993 | EP0573400A1 Treatment method for salt recycling |
| 11/03/1993 | CN1077935A Speeding method of evaporating seawater in the sun to make salt |
| 10/20/1993 | EP0565845A1 Process for treating an unorganic polluted hydrochloride acid from off gas scubbing |
| 10/19/1993 | US5254257 Reclaiming of spent brine |
| 09/16/1993 | WO1993017959A1 Production of transparent cationically homogeneous refractory oxides of nanometer-scale particle size diameters at reduced temperatures |
| 09/15/1993 | EP0560316A2 Method for producing alkaline metal hydroxide |
| 09/07/1993 | US5242670 Processing spent zeolite catalyst |
| 09/01/1993 | CN1021963C Method for removing magnesium from sodium chloride solution |
| 08/31/1993 | US5240687 Corrosion resistance, demetallization |
| 08/24/1993 | CA1321463C Sodium chloride in novel crystal form and aqueous solution containing the same |
| 08/04/1993 | EP0553173A1 Plant for preparing a saline solution. |
| 08/04/1993 | CN1074886A Process for recovery of high concentration salts-contg. waste water |
| 08/03/1993 | US5232557 Heat transfer plates evaporation and condensation apparatus |
| 07/27/1993 | US5230879 Using a reducing agent |
| 07/22/1993 | DE4200810A1 Flotation of granular potash salts in increased yield - by producing preconcentrate and residue in 1st flotation and stripping concentrate by re-flotation |
| 07/21/1993 | CN1021635C Process and plant for the crystallization of an inorganic substance |
| 06/30/1993 | CN1073662A Production of alkali metal carbonates |
| 06/29/1993 | US5223271 Lithium treatment |
| 06/22/1993 | US5221528 Process for the preparation of sodium chloride |
| 06/10/1993 | WO1993011071A1 Production of alkali metal carbonates |
| 06/10/1993 | CA2117294A1 Production of alkali metal carbonates |
| 06/08/1993 | CA1318880C Process of producing alkali hydroxide, chlorine and hydrogen by the electrolysis of an aqueous alkali chloride solution in a membrane cell |
| 05/27/1993 | DE4200167C1 Purificn. of sylvite - comprises treating with salicylic acid and glycolic acid in high humidity |
| 05/27/1993 | DE4200166C1 Improved sodium chloride selectivity - during electrostatic working up of sylvite using sodium salicylate |
| 05/25/1993 | US5213771 Gas injector for hypochlorous acid reactor |
| 05/19/1993 | CN1072155A Guideway type edge-clamping method for shifting winding plastic tarpaulin |
| 05/18/1993 | US5211922 Process for the recovery of values from secondary aluminum dross |
| 05/12/1993 | EP0541114A2 The process to recover salt from brine waste water |
| 05/05/1993 | CN1071643A Sodium bromide and sodium bromate extrating process from blow brom absorption liquor |
| 04/20/1993 | US5203406 Plate evaporator |
| 04/14/1993 | CN1020272C Preparation method of magnesium sulphate and sodium chloride from high temp. salt |
| 04/14/1993 | CN1020271C Technology and apparatus for united production of salt and potassium chloride |
| 04/06/1993 | US5200091 Process to recover salt from brine waste water |
| 04/01/1993 | CA2119455A1 Method and apparatus for treating water and/or wastewater |
| 03/30/1993 | US5198200 Process for the recovery of values from secondary aluminum dross |
| 03/24/1993 | EP0532894A1 Weakly basic anion exchange resins, process for their preparation by aminolysis and use for removing sulfates ions from acqueous solutions |
| 03/24/1993 | CN2128631Y Movable crystallizing bed salt-making equipment |
| 03/18/1993 | WO1993004983A1 Method for producing an aqueous industrial sodium chloride solution |
| 03/18/1993 | WO1993004981A1 Process for producing concentrated hypochlorous acid solutions |
| 03/18/1993 | CA2116763A1 Process for producing concentrated hypochlorous acid solutions |
| 03/17/1993 | CN1069958A material used for salt pan (pond) |
| 03/10/1993 | CN2127935Y Rotary cutting type slag removing machine |
| 03/10/1993 | CA2076455A1 Process for making chromic acid |
| 02/23/1993 | CA2076429A1 Weakly basic anion exchangers, processes for their preparation by aminolysis and their use for removing sulphate ions from aqueous liquids |
| 02/04/1993 | WO1993002014A1 Method for producing an aqueous sodium chloride solution and use thereof |
| 01/26/1993 | CA1313161C Process for the production of alkali metal chlorate |
| 01/13/1993 | CN1067865A Method of purifying alkali metals chlorides equeous solution by removing ammonium and iodine |
| 01/07/1993 | EP0521077A1 Halogen exchange fluorination |
| 12/16/1992 | EP0518727A1 Process for purifying an aqueous alkali meta chloride solution by removing ammonium and iodine |