Patents
Patents for C01D 3 - Halides of sodium, potassium, or alkali metals in general (3,310)
11/1980
11/18/1980CA1089797A1 Fibrous electrolytic bed for the recovery of mercury and other heavy metal ions
11/18/1980CA1089626A1 Non-pollutant process for the manufacture of neutral calcium hypochlorite
10/1980
10/16/1980WO1980002116A1 Disposal of pcb
09/1980
09/23/1980US4224290 Process for recycling chemical plant waste streams containing recoverable chlorine
08/1980
08/19/1980CA1083780A1 Brine purification process
08/05/1980US4216191 Method of preparing inorganic-alkali metal salts
07/1980
07/29/1980US4215009 Purification method
07/23/1980EP0013309A1 Electrolysis of aqueous solution of potassium chloride
07/01/1980US4210626 Manufacture of magnesium carbonate and calcium sulphate from brine mud
07/01/1980US4210421 Method for reducing kcl tailings loss from evaporation
06/1980
06/17/1980US4208258 Method for the recovery of mercury and other heavy metal ions from a liquid stream
06/10/1980US4207152 Adhesion
05/1980
05/27/1980CA1078138A1 Production of chlorine dioxide
05/13/1980US4202743 Electrolysis of aqueous solution of sodium chloride
05/13/1980CA1077435A1 Chlorine-based bleachery effluent treatment
04/1980
04/29/1980CA1076517A1 Process for the purification of electrolysis brine
04/16/1980EP0009506A1 Process for producing table salt
04/15/1980US4198288 Froth flotation using polygalactomannan and a polyamide
04/01/1980CA1074528A1 Manufacture of magnesium carbonate and calcium sulphate
03/1980
03/11/1980US4192756 Lignosulfonates
02/1980
02/19/1980CA1071842A1 Process for producing salt having a reduced calcium sulfate content
02/19/1980CA1071841A2 Process for modifying the appearance of crystalline sodium chloride
01/1980
01/29/1980CA1070457A1 Removal of sodium chloride from pulp mill operations
01/01/1980CA1069083A Gaseous preconditioner for electrostatic separation of potassium salts
12/1979
12/25/1979US4180547 Process for recovery of chemicals from saline water
12/12/1979EP0005859A1 Process for reducing metal ion content of aqueous solutions
11/1979
11/27/1979US4176168 Process for producing chlorine dioxide
11/27/1979US4176056 Cyclic operation of a bed of mixed ion exchange resins
11/27/1979US4176022 Removal of part per billion level hardness impurities from alkali metal chloride brines
10/1979
10/31/1979EP0004883A2 Process for the preparation of free-flowing inorganic ammonium and alkali salts
10/23/1979CA1064676A1 Process for modifying the appearance of crystalline sodium chloride
10/16/1979CA1064222A1 Process for preventing the caking of alkali chlorides and alkali-chloride-containing salt mixtures and for maintaining their fluidity
10/04/1979WO1979000713A1 Process for producing common salt
09/1979
09/11/1979CA1061962A1 Sodium chloride removal in pulp mill systems
09/04/1979CA1061512A1 Sodium chloride removal in pulp mill systems
08/1979
08/14/1979US4164507 Process for separation of salt from heavy ends wastes of glycerine manufacture
08/14/1979CA1060181A1 Treating remains containing sodium choride and sodium sulphate
08/08/1979EP0003429A1 Production of alkali metal chlorides
07/1979
07/25/1979EP0003065A1 Process for the production of potassium chloride
07/24/1979CA1059063A1 Process for the production of sodium hydroxyde from a sulfate containing sodium chloride and hyroxyde solution from electrolytic cells_________
07/17/1979CA1058358A1 Removal of dissolved salts from sulphide liquors
07/10/1979CA1057945A1 Process for preparing a composition useful for reducing the caking tendency of a particulate sodium chloride
06/1979
06/26/1979US4159311 Anion exchange resin having microcrystals of lithium halide-aluminum hydroxide suspended therein
05/1979
05/22/1979US4155820 Coprecipitation of silica
05/22/1979US4155819 Removal of heavy metals from brine
03/1979
03/27/1979US4146578 Alkali metal hydroxide reacted with chlorine, hypochlorous acid vaporized to separate it from alkali metal chloride
03/13/1979US4144315 Reacting fluosilicic acid with ammonia
01/1979
01/02/1979US4132759 By precipitation of double salt of sodium sulfate and calcium sulfate
12/1978
12/26/1978US4131645 Iodine recovery process
12/05/1978US4127989 Method for separating metal values from brine
11/1978
11/21/1978US4126526 Integration with production of chlorine
10/1978
10/24/1978CA1040866A1 Refining of chloride salts
10/10/1978US4119508 Method of purifying the raw brine used in alkali salt electrolysis
09/1978
09/26/1978US4117078 Debromination, reaction with calcium chloride
09/26/1978US4116858 Aluminum hydroxide suspended in ion exchange resin
09/19/1978US4115219 Brine purification process
09/12/1978US4113832 Process for the utilization of waste materials from electrolytic aluminum reduction systems
09/12/1978US4113831 Recovery of sodium fluoride and other chemicals from spent carbon liners
09/05/1978US4111991 Amine halides from a halogen, a hydrazine and an amine
08/1978
08/15/1978US4107274 Process for preventing caking and obtaining flowability of alkali chlorides and salt mixtures thereof
06/1978
06/13/1978US4094956 Method of reducing the sodium sulfate content of halite
06/06/1978US4093508 Process for recovering chemicals from the waste liquors of sulfate cellulose digestion and the waste waters of bleaching
05/1978
05/09/1978US4088451 Concentration of underground brines in situ by solar evaporation
05/02/1978US4087374 Photodichroic crystals and preparation thereof
05/02/1978US4087253 Method of obtaining caustic soda from a sodium chloride liquor containing sulphate ions recovered from an electrolytic cell
04/1978
04/04/1978US4082606 Evaporation apparatus
03/1978
03/14/1978US4078978 Purification of electrolysis brine for diaphragm cells
02/1978
02/21/1978US4075309 Process for the production of highly concentrated magnesium chloride solutions
02/14/1978US4073873 Cobalt oxide spinel catalyst
02/14/1978US4073706 Brine treatment for trace metal removal
02/07/1978US4072472 Solar evaporation
11/1977
11/29/1977US4060465 Method of purifying the raw brine used in alkali salt electrolysis
11/08/1977US4057614 Process for producing sodium fluoride from sodium silicofluoride
11/01/1977US4056599 Process for the recovery of magnesium chloride hydrate and potassium chloride from carnallite and bischofite
09/1977
09/27/1977US4051228 Complex iron cyanide, hydrophobic polymer
09/13/1977US4048288 Method for preventing evaporation-condensation caking of sodium chloride at high temperatures
09/06/1977US4046865 Process for producing sodium chloride brines suitable for electrolysis
07/1977
07/26/1977US4038365 Filtration
07/26/1977US4038188 Method for preventing eutectic caking of sodium chloride at high temperatures
06/1977
06/21/1977US4031184 Process for reclaiming cement kiln dust and recovering chemical values therefrom
05/1977
05/31/1977US4026676 Process for producing salt having a reduced calcium sulfate content
05/10/1977US4023059 High pressure light emitting electric discharge device
04/1977
04/05/1977US4016075 Adding ammonium hydroxide
03/1977
03/15/1977US4012297 From amalgam electrolytic cells
03/01/1977US4010000 Controlled particle size
02/1977
02/01/1977US4006214 Process for the recovery of fluorine from an aqueous solution
12/1976
12/21/1976US3998709 Treating remains containing sodium chloride and sodium sulphate
11/1976
11/30/1976US3994531 Method of solution mining potassium chloride from subterranean deposits
10/1976
10/19/1976US3987077 Composition useful for reducing the caking tendency of particulate sodium chloride
10/19/1976US3986951 Aluminum compounds, precipitation, chlorine, sodium chloride, hydroxide, and hypochlorite
10/19/1976US3986923 Removal of dissolved salts from sulphide liquors
08/1976
08/24/1976US3976758 Production of chlorine dioxide
08/17/1976US3975505 Production of chlorine dioxide
07/1976
07/20/1976US3970528 Calcium chloride, calcium sulfate
07/13/1976US3969491 Purification of alkali metal chlorides and bromides
07/06/1976US3968197 Process for treating sodium silico fluoride
06/1976
06/29/1976US3966541 Concentration of underground brines in situ by solar evaporation
06/29/1976US3966539 Evaporation
05/1976
05/04/1976US3954552 Removal of sodium chloride from pulp mill systems
04/1976
04/27/1976US3953571 Process for the treatment of carburizing salt wastes
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