Patents
Patents for C01B 7 - Halogens; Halogen acids (5,959)
03/1998
03/04/1998EP0826417A1 Bismuth containing catalysts
03/03/1998US5723699 Purification process for hexafluoroethane products
03/03/1998US5723097 Method of treating spent potliner material from aluminum reduction cells
03/03/1998US5722442 On-site generation of ultra-high-purity buffered-HF for semiconductor processing
02/1998
02/17/1998US5718807 Purification process for hexafluoroethane products
02/12/1998DE19734412A1 Chlorine production from hydrogen chloride
02/10/1998US5717149 Method for producing halogenated products from metal halide feeds
02/04/1998CN1037258C Process for preparing high concentration hydrochloric acid reagent
02/03/1998USH1709 Corrosion resist molybdenum alloy cylinder for collecting an aqueous solution of hydrogen halides the oxidative combustion wastes
01/1998
01/27/1998US5712219 Air and water pollution control
01/21/1998EP0819669A1 Azeotropic and azeotrope-like compositions and a process for separating HC1 and halocarbons
01/20/1998US5709791 Reacting water with halogen to produce oxygen and hydrogen halide using activated carbon catalyst
01/14/1998CN1036977C Desulphurisation of waste gases
01/13/1998US5707919 Catalyst for preparing chlorine from hydrogen chloride
01/13/1998US5707497 Process for the separation of hydrogen fluoride and of difluoromethane
01/08/1998WO1998000380A1 Separation of hydrogen fluoride from a fluorocarbon/hydrogen fluoride azeotropic mixture by sulfuric acid
01/07/1998EP0816285A1 Process for the production of gaseous hydrogen bromide and apparatus for carrying out said process
01/07/1998EP0815271A1 Fast quench reactor and method
12/1997
12/18/1997WO1997047574A1 Azeotrope-like compositions of difluoromethane and chlorine
12/11/1997WO1997046483A1 Process to produce commercial grade anhydrous hydrogen fluoride (ahf) and uranium oxide from the defluorination of uranium hexafluoride (uf6)
12/11/1997WO1997046315A1 Method of separating and selectively removing hydrogen contaminant from process streams
12/11/1997CA2256734A1 Method of separating and selectively removing hydrogen contaminant from process streams
12/09/1997US5695732 Method for treating a halogenated organic waste to produce halogen gas and carbon oxide gas streams
12/04/1997WO1997045371A1 Thermal process for the conversion of uranium hexafluoride
12/04/1997CA2264613A1 Thermal process for the conversion of uranium hexafluoride
12/03/1997CN1166791A Method for separating substances from a gaseous medium by dry adsorption
12/02/1997US5693306 Contacting zeolite containing sulfur impurities with crude hydrogen iodide, contacting addditional crude hydrogen iodide with purified zeolite
12/02/1997US5693191 Process for recovery of anhydrous hydrogen chloride from mixtures with non-condensable gases
11/1997
11/20/1997WO1997043216A1 Method and apparatus for treating and disinfecting water and/or wastewater
11/20/1997WO1997043208A1 Process for hydrogen fluoride separation
11/20/1997CA2254055A1 Process for hydrogen fluoride separation
11/19/1997CN1165509A Purification process for hexalfuoroethane products
11/19/1997CN1165130A Method for preparing sulfonyl azophoska compound fertilizer
11/19/1997CN1165110A Method and equipment for preparing reagent grade hydrochloric acid
11/13/1997DE19618668A1 Separating hydrochloric acid from waste calcium chloride solution with calcium carbonate production
11/11/1997US5685169 Rectification
11/06/1997WO1997041089A1 Organic base hydrogenofluorosulphonates, their use in releasing organic bases from their fluorohydrate, method of preparation thereof, compound containing them
10/1997
10/28/1997US5682593 Extraction of acids and metal salts from aqueous solutions with diethyl dodecylphosphonate
10/08/1997CN1161655A Carbonization of halocarbons
10/07/1997US5674464 Desulphurization of waste gases
09/1997
09/23/1997US5670029 Process for the separation of a mixture of benzyl chloride, benzyl alcohol, dibenzyl ether and aqueous hydrochloric acid
09/23/1997CA2115576C Generation of fluorine via thermal plasma decomposition of metal fluoride
09/12/1997WO1997032810A1 Hydrogen fluoride compositions
09/12/1997WO1997032809A1 Process for hydrogen fluoride separation
09/12/1997CA2248083A1 Hydrogen fluoride compositions
09/10/1997EP0793619A1 Process for recovery of anhydrous hydrogen chloride from mixtures with non-condensable gases
09/10/1997EP0793527A1 Method for separating substances from a gaseous medium by dry adsorption
09/09/1997US5665266 Chloropentafluoroethane
09/04/1997WO1997031859A1 Process for recycling waste hydrochloric acid
09/04/1997DE19607667A1 Verfahren zur Verwertung von Abfallsalzsäure Process for the recovery of waste hydrochloric acid
09/03/1997CN2261421Y Short lamp-tube hydrochloric acid synthetic furnace
08/1997
08/27/1997CN1157797A Process and plant for extraction or recovery of acids from solutions these acids
08/26/1997US5660810 Method and device for delivering hot, aggressive media
08/13/1997EP0788395A1 Carbonization of halocarbons
08/13/1997CN2259394Y 石墨盐酸合成炉 Graphite hydrochloric acid synthesis furnace
08/06/1997EP0787684A2 Process for nitrogen trifluoride synthesis
08/06/1997EP0787039A1 Process for reprocessing and utilizing boron trifluoride catalyst residues
08/06/1997CN1156121A Chloride preparation
07/1997
07/30/1997CN1155512A Selective separation and recovery of chlorine from gas mixtures
07/16/1997EP0568670B1 Regeneration of hydrochloric acid
07/16/1997CN1154340A Preparation of chlorine from hydrogen chloride
07/09/1997EP0782557A1 Purification process for hexafluoroethane products
06/1997
06/25/1997CN1152544A Process for working up reaction gases during oxidation of HCl to chlorine
06/17/1997US5640709 Method and apparatus for producing a product in a regenerator furnace from impure waste containing a non-gasifiable impurity
06/17/1997US5640706 Pollution control
06/17/1997US5639932 Isoparaffin-olefin alkylation
06/17/1997US5639436 Exothermic two-stage process for catalytic oxidation of hydrogen chloride
06/17/1997US5639422 Reducing corrosion of carbon steel reboilers
06/10/1997US5637285 Process for nitrogen trifluoride synthesis
06/03/1997US5635438 Impregnating solid support; calcining
06/03/1997US5635152 Acid regeneration
05/1997
05/28/1997EP0775760A1 Process and apparatus for producing and/or recovering acids from metalliferous solutions of these acids
05/28/1997EP0754163A4 Iron oxide/magnesium oxide composites and method for destruction of chlorinated hydrocarbons using such composites
05/28/1997CN1150766A Chromium catalyst and catalytic oxidation process
05/28/1997CA2191259A1 Process and plant for extraction or recovery of acids from solutions of these acids
05/27/1997US5632966 Process for hydrogen fluoride separation
05/27/1997US5632866 Purification
05/22/1997WO1997018158A1 Manufacture of very low arsenic hydrogen fluoride
05/07/1997CN2253739Y Intensified heat-transmission type equipment for synthesizing hydrochloric acid
05/06/1997US5626725 Process for separation of 1,1-difluoroethane from its mixture with hydrogen fluoride
05/02/1997EP0705218B1 Method for separating chlorine from a mixture of gases
04/1997
04/24/1997WO1997014647A1 Process for obtaining hydrochloric acid from flue gases
04/23/1997EP0573508B1 Method and device for the production of hydrochloric acid
04/17/1997WO1997013719A1 Hydrogen fluoride recovery process
04/17/1997CA2234693A1 Hydrogen fluoride recovery process
04/16/1997EP0768291A2 Process for the separation of a mixture of benzyl chloride, benzyl alcohol, dibenzyl ether and aqueous hydrochloric acid
04/09/1997EP0767138A1 Process for the selective separation and recovery of chlorine from gas mixtures
04/09/1997EP0766644A1 Method for removing nitrogen trichloride from raw chlorine
04/08/1997US5618440 Method and apparatus for treating and disinfecting water and/or wastewater
04/02/1997EP0765838A1 Process for the treatment of the reaction gases during the oxydation of HCl to chlorine
03/1997
03/27/1997WO1997011047A1 Acid-salt metathetic process
03/27/1997WO1997011027A1 Method of processing fluorine-contaminated hydrochloric acid arising from waste treatment
03/27/1997WO1997011026A1 Exothermic two-stage process for catalytic oxidation of hydrogen chloride
03/27/1997CA2232598A1 Exothermic two-stage process for catalytic oxidation of hydrogen chloride
03/27/1997CA2232572A1 Acid-salt metathetic process
03/27/1997CA2232131A1 Process for processing a waste hydrochloric acid contaminated with fluorine
03/27/1997CA2186206A1 Process for working up reaction gases during the oxidation of hci to chlorine
03/26/1997EP0764467A1 Narrow pore size distribution monomodal and polymodal catalysts and catalyst carriers, and their manufacture
03/26/1997EP0764050A1 Chromium catalyst and catalytic oxidation process
03/26/1997CN1034324C Preparation method of high pure chlorine
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