| Patents for C01D 3 - Halides of sodium, potassium, or alkali metals in general (3,310) |
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| 09/25/1996 | EP0733590A1 Salt having more than 99,0% by weight sodium chloride and its use |
| 09/25/1996 | CN2235963Y Salt collecting machine |
| 09/25/1996 | CN1131639A Method for preparing potassium sulfate with sulfate type bittern |
| 09/25/1996 | CA2171174A1 Salt containing more than 99,0 % per weight of sodium chloride and use thereof |
| 09/24/1996 | CA2095670C Process for recovering carnallite and sylvite by electrostatic separation from carnallite-containing crude salts |
| 09/19/1996 | WO1996028383A1 Method and device for reprocessing salt used for the temporary salting of products |
| 09/06/1996 | WO1996026899A1 Salt making method and apparatus |
| 09/04/1996 | CN1130152A Process for producing potassium sulfate from bittern and potassium chloride |
| 09/03/1996 | US5552126 Co-production of potassium sulfate, sodium sulfate and sodium chloride |
| 08/28/1996 | EP0728864A2 Zero discharge pulp mill cascading water management |
| 08/27/1996 | US5549788 Minimal effluents discharge pulp mill with chemical recovery |
| 08/22/1996 | WO1996025360A1 Method for preparing a salt, particularly potassium chloride, by leaching and cooling a solution thereof |
| 08/07/1996 | CN1128240A Method for synthesizing high-purity sodium iodide by using iodine and sodium carbonate |
| 08/06/1996 | US5542546 Process and apparatus for non-agitated flotation of substances with a low degree of hydrophoby and/or low stability in the foam structure, in particular of salt mixtures |
| 07/31/1996 | CN1127676A Method for producing low bulk density hollow fine powder of alkali metal compound |
| 07/24/1996 | CN1127219A Preparing large crystal high purity potassium chloride by adding halogen method to remove Na and isolate K. |
| 07/18/1996 | WO1996021620A1 Method for coproducing calcium carbonate and sodium hydroxide |
| 07/16/1996 | US5536415 Hydrated zirconium oxide |
| 07/11/1996 | WO1996008445A3 Process for treating an aqueous KF waste stream and for converting KF into HF and KOH |
| 07/03/1996 | EP0719359A1 Minimum adverse environmental impact pulp mill |
| 06/06/1996 | WO1996016900A1 Co-production of potassium sulfate, sodium sulfate and sodium chloride |
| 05/30/1996 | DE4442077A1 Purificn. of halide such as alkali(ne earth) or rare earth halide |
| 05/21/1996 | US5518583 Minimizing effluents from a cellulose pulp mill |
| 05/01/1996 | CN1121485A Improved method for nacl nacl in production of protein hydrochloric acid hydrolyzate |
| 04/23/1996 | US5509996 Method of evaporating and cooling liquid |
| 04/02/1996 | US5503641 Stepwise dissolving and purification to control grain size |
| 03/27/1996 | CN1031396C Process for preparing nm stage alpha-Al2O3 granule |
| 03/27/1996 | CN1031395C Guideway type edge-clamping method for shifting winding plastic tarpaulin |
| 03/21/1996 | WO1996008445A2 Process for treating an aqueous kf waste stream and for converting kf into hf and koh |
| 03/21/1996 | CA2199723A1 Process for treating an aqueous kf waste stream and for converting kf into hf and koh |
| 03/13/1996 | CN1118333A Process for extracting soluble non-sulfur potassium salt from feldspar |
| 03/13/1996 | CN1031255C recovery of organic waste from salts by infrared radiation |
| 03/06/1996 | EP0699628A2 Brine treatment method |
| 02/28/1996 | CN1117473A Chemical reacting tank for obtaining metal and salt |
| 02/14/1996 | EP0696551A1 Method of producing low bulk density hollow fine powder of alkali metal compound |
| 02/07/1996 | CN1116183A Hydrotropic making halogen technology by separating salt and alkali in lake |
| 02/04/1996 | CA2155365A1 Method for producing low bulk density hollow fine powder of alkali metal compound |
| 01/24/1996 | CN1115267A Ba mud, its coproducts such as barium sulfate, magnesium carbonate, refined salt or ammonium chloride, Ba brick and other products |
| 01/09/1996 | US5482696 Precipitating potassium sulfate |
| 01/03/1996 | CN1114288A Process for producing table salt by separating high-temp. salt using brine as carrier |
| 12/26/1995 | US5478515 Salt block release agents |
| 12/26/1995 | US5478447 Method for producing an aqueous industrial sodium chloride solution |
| 12/20/1995 | EP0687323A1 Zero discharge mill distillation, salt recovery, and water management |
| 12/20/1995 | EP0553173B1 Plant for preparing a saline solution |
| 12/12/1995 | US5474581 Method for producing an aqueous sodium chloride solution and use thereof |
| 11/29/1995 | EP0683689A1 Off-gas scrubber system |
| 11/28/1995 | US5470559 Treatment with sodium hydroxide |
| 11/20/1995 | CA2149717A1 Composition material and process for removing sulphate from aqueous solution |
| 10/18/1995 | CN2210181Y Feeding means for liquor thinkening equipment |
| 09/14/1995 | DE4431404C1 Sodium chloride recovery from flue gas wash water |
| 09/06/1995 | CN1107903A Method for preparing sodium hydroxide by brine electrolysis |
| 09/06/1995 | CN1107804A Process for the removal of sulphate ions present in saline solutions |
| 09/05/1995 | US5447543 Which form saturated solutions having isothermic or polythermic concave solubility curves |
| 08/31/1995 | DE4422034C1 High grade sodium chloride purificn. by leaching and flotation |
| 08/23/1995 | CN1107121A Method of preparing refined brine by using bittern |
| 08/15/1995 | US5441646 Process of removing sulfate ions from water with a poly(meth)acrylamide exchange resin |
| 07/19/1995 | CN1105204A Flaky salt composition |
| 07/11/1995 | US5431779 Method of controlling evaporator for salt manufacturing plant |
| 06/28/1995 | EP0659686A1 Process and installation for the purification of an aqueous solution of an alkali metal chloride |
| 06/22/1995 | DE4343625C1 Pure kieserite recovery economically from preconcentrate |
| 06/21/1995 | EP0658587A2 Process for manufacturing polyarylene sulfide |
| 06/20/1995 | CA1336021C Process for separating salts in seawater |
| 06/18/1995 | CA2137314A1 Process and facility for the purification of an aqueous alcaline metal chloride solution |
| 06/01/1995 | DE4416261C1 Unstirred pneumatic flotation of poorly hydrophobic salts |
| 05/18/1995 | WO1995013617A1 Radioattenuant composition, method and container |
| 05/17/1995 | CN1102600A Process and unit for separating sulfate from sodium chloride in high temp. salt |
| 05/10/1995 | EP0652180A1 Method for recovering magnesium sulfate products from mixtures of epsomite and halite |
| 05/09/1995 | CA1335489C Method for producing crystallisates out of solutions, more particularly salt-solutions, such as potassium-salt solutions, for example, by cold-crystallization |
| 04/19/1995 | CN2194902Y Screen for saltworks |
| 04/18/1995 | US5407547 Electrodialysis of a metal chlorate and acid solution |
| 04/13/1995 | WO1995009935A1 Process for production of acidified process streams |
| 04/12/1995 | EP0647474A1 Method for removing sulfate ions from saline solutions |
| 04/11/1995 | US5405590 Neutralization; continuous recycling |
| 04/05/1995 | CN1101009A Salt-extrating apparatus and method for fast evapourizing sea water |
| 03/29/1995 | CN2193357Y Hand-control open-close sluice gate |
| 03/22/1995 | EP0602081A4 Process for producing concentrated hypochlorous acid solutions. |
| 03/21/1995 | CA1334821C Method of reforming soluble salts to effect purification and increase crystal size thereof |
| 03/09/1995 | WO1995006775A1 Minimum adverse environmental impact pulp mill |
| 03/09/1995 | CA2170594A1 Minimum adverse environmental impact pulp mill |
| 03/08/1995 | CN1099724A Pure natural plant alkaloid and preparing method |
| 03/02/1995 | DE4431403A1 Process for evaporating scrubbing water from flue gas scrubbers |
| 02/28/1995 | US5393503 Reacting sodium chromate and sulfuric acid producing sodium bichromate, and sodium sulfate. sodium bichromate reacts with sulfuric acid forming chromic acid and sodium bisulfate, sulfuric acid is regenerated for reuse |
| 02/15/1995 | EP0638518A2 Process for the electrolysis of an aqueous solution of potassium chloride |
| 02/05/1995 | CA2129280A1 Method for the electrolysis of an aqueous potassium chloride solution |
| 01/26/1995 | DE4340105C1 Process for the continuous preparation of potassium sulphate from sodium sulphate |
| 12/25/1994 | CA2126510A1 Granulation process |
| 12/15/1994 | DE4340839C1 Process for the utilisation of waste sodium sulphate |
| 12/15/1994 | DE4318875A1 Process for purifying and recycling used salt from preserving processes |
| 12/07/1994 | EP0627384A1 Process and apparatus for the treatment of a potassium chloride mixture |
| 11/22/1994 | US5366514 Evaporation of brine to separate water from salt using high pressure steam turbines for heating |
| 10/27/1994 | WO1994024049A1 Process for recycling saltcake |
| 10/25/1994 | CA1332708C Process and apparatus for crystallization of a mineral and sodium chloride crystals |
| 10/19/1994 | CN1093543A Calcium-enriched salt and preparation |
| 09/22/1994 | DE4308250A1 Sorption of CO2 by CaCl2 from the Solvay soda process |
| 09/21/1994 | CN2177707Y Screen for removing bittern |
| 09/15/1994 | WO1994020675A1 Zero discharge mill distillation, salt recovery, and water management |
| 09/15/1994 | CA2155439A1 Zero discharge mill distillation, salt recovery, and water management |
| 09/14/1994 | EP0614446A1 Production of alkali metal carbonates. |
| 09/07/1994 | CN2176361Y Raw salt washer |
| 09/06/1994 | CA1331832C Process for the simultaneous crystallization of potassium and sodium chloride |