Patents for C01B 7 - Halogens; Halogen acids (5,959) |
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05/28/1996 | US5520901 Method for the recovery of iodine from an environment |
05/23/1996 | WO1996015444A2 Process for determining the equilibrium concentrations of halogen, halogenide, trihalogenide, hypohalogenite and hypohalogenic acid components in aqueous solutions |
05/23/1996 | WO1996015066A1 Recovery of chlorine from hydrogen chloride, with internal recycle of hydrogen chloride |
05/23/1996 | DE4440872A1 Verfahren zur Bestimmung der Gleichgewichtskonzentrationen der Komponenten Halogen, Halogenid, Trihalogenid, Hypohalogenid und/oder Hypohalogeniger Säure in wässrigen Lösungen A method of determining the equilibrium concentrations of the components halogen, halide, trihalide, hypohalite and / or hypohalous acid in aqueous solutions |
05/22/1996 | EP0650506B1 Process for the thermal recycling of waste pvc with the recovery of heat and anhydrous hydrogen chloride |
05/21/1996 | US5518583 Minimizing effluents from a cellulose pulp mill |
05/17/1996 | WO1996014726A1 Process and apparatus for chemical conversion |
05/15/1996 | EP0711729A1 Process for the oxidation of hydrogen chloride |
05/15/1996 | EP0711728A1 Process for the oxidation of hydrogen chloride |
05/15/1996 | EP0711727A1 Process for the oxidation of hydrogen chloride |
05/15/1996 | EP0711599A1 Catalyst for preparing chlorine from hydrogen chloride |
05/15/1996 | EP0711596A1 Method and device for delivering hot, aggressive media |
05/15/1996 | CA2162643A1 Process for the oxidation of hydrogen chloride |
05/15/1996 | CA2162642A1 Method and device for delivering hot, aggressive media |
05/15/1996 | CA2162641A1 Process for the oxidation of hydrogen chloride |
05/15/1996 | CA2162640A1 Process for the oxidation of hydrogen chloride |
05/14/1996 | US5516496 Converting feed materials of high mineral content and substantial radioactivity levels to concentrated radionuclide products of high radioactivity levels and to other products of low radioactivity levels |
05/08/1996 | CN1121899A Process for low temp. production of potassium sulfate |
05/02/1996 | WO1996012527A1 Carbonization of halocarbons |
05/01/1996 | EP0709471A1 Use of diethyl dodecylphosphonate for extracting acid and metal salts from aqueous solutions |
04/27/1996 | CA2161180A1 Extraction of acids and metal salts from aqueous solutions with diethyl dodecylphosphonate |
04/25/1996 | WO1996011744A1 Process for reprocessing and utilizing boron trifluoride catalyst residues |
04/18/1996 | DE4447583A1 Removing harmful pollutants from combustion waste gases and recovering |
04/18/1996 | DE19534545A1 Regenerating hydrogen chloride pickling solns. |
04/10/1996 | EP0705639A1 Process for purifying halogen-containing gas |
04/10/1996 | EP0705218A1 Method for separating chlorine from a mixture of gases |
04/09/1996 | US5505926 HCL adsorbent and method for making and using same |
03/28/1996 | WO1996009271A1 Purification process for hexafluoroethane products |
03/27/1996 | EP0616601B1 Production of phosphoric acid and hydrogen fluoride |
03/27/1996 | CN1031393C Process and equipment for reducing corrosion in production of hydrochloric acid |
03/21/1996 | WO1996008445A2 Process for treating an aqueous kf waste stream and for converting kf into hf and koh |
03/21/1996 | WO1996008442A1 Method and apparatus for preparing high purity hydrogen bromide |
03/21/1996 | CA2199723A1 Process for treating an aqueous kf waste stream and for converting kf into hf and koh |
03/20/1996 | CN1119010A Hydrogen fluoride recovery process |
03/19/1996 | US5500035 Weak adsorbents, short cycle time, reduced waste |
03/12/1996 | US5498818 Method for suppressing the evaporation of hydrogen fluoride from a mixing of hydrogen flouride and sulfone |
03/07/1996 | DE4431558A1 Harmful substances such as HF, HCl, SO2 and Hg are removed from combustion waste gases in a process |
03/06/1996 | EP0699473A1 Structural elements in columns for suspensions with precipitating particles |
03/05/1996 | US5496778 Point-of-use ammonia purification for electronic component manufacture |
02/27/1996 | US5493972 Method for producing maximum energy flows |
02/14/1996 | EP0696267A1 AZEOTROPIC AND AZEOTROPE-LIKE COMPOSITIONS AND A PROCESS FOR SEPARATING HCl AND HALOCARBONS |
02/13/1996 | US5490390 Liquefaction of chlorine or other substances |
02/06/1996 | CA2060457C Method for burning halogenated hydrocarbon containing waste |
02/01/1996 | WO1996002315A1 Exhaust gas cleaning process |
02/01/1996 | DE4426727A1 Hydrogen fluoride removal by distn. in purificn. of hydrochloric acid |
01/25/1996 | DE4425471A1 Verfahren zum Reinigen von Abgasen A method for purifying exhaust gases |
01/24/1996 | EP0693469A1 Azeotropic mixture composed of 1,1-difluoroethane and hydrogen fluoride and process for producing 1,1-difluoroethane |
01/18/1996 | DE4424367A1 Process and appts. to purify flue gas |
01/11/1996 | WO1996000696A1 Method and apparatus for recovering bromine from a liquid effluent |
01/10/1996 | CN1114632A Method for preparation of chlorine dioxide and generator thereof |
01/04/1996 | WO1996000187A1 Method for removing nitrogen trichloride from raw chlorine |
12/27/1995 | EP0688300A1 Hydrogen fluoride recovery process |
12/27/1995 | EP0609319B1 Improved process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof |
12/27/1995 | CN1113878A Producing method for sulfuric acid, nitric acid and hydrochloric acid |
12/21/1995 | WO1995034379A1 Chromium catalyst and catalytic oxidation process |
12/20/1995 | EP0687323A1 Zero discharge mill distillation, salt recovery, and water management |
12/19/1995 | CA2025612C Gas separation by semi-permeable membranes |
12/14/1995 | WO1995033680A1 Method for the removal of unwanted colour from hydrochloric acid |
12/13/1995 | EP0686136A1 Improved process for manufacture of fluoroaromatics |
11/30/1995 | DE4417104A1 Hydrofluoric acid and metal oxide(s) mfd. and neutralised sludges from pickling processes |
11/29/1995 | CN1112540A Seperation of hydrogen fluoride and methane difluoride |
11/23/1995 | WO1995031679A1 Liquefaction of chlorine or other substances |
11/22/1995 | EP0626885A4 Cebr 3? catalyst and process for producing bromine. |
11/22/1995 | CN1030305C Process for production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acid |
11/15/1995 | EP0682100A1 Suppression of carbonaceous deposits in a process for hydrotreating an organic feedstock containing unstable olefinic compounds |
11/15/1995 | EP0681556A1 Hydrogen chloride purfication process |
11/08/1995 | EP0599903B1 Hydrofluoric acid compositions |
11/02/1995 | EP0679607A1 Transportation of hydrogen fluoride |
10/24/1995 | US5461183 Removal of ASO from HF/sulfolane alkylation catalyst |
10/19/1995 | WO1995027679A1 Iron oxide/magnesium oxide composites and method for destruction of chlorinated hydrocarbons using such composites |
10/17/1995 | US5458858 Integrated procedure for high yield production of chlorine dioxide |
10/17/1995 | US5458781 Bromide separation and concentration using semipermeable membranes |
10/17/1995 | US5458674 Sorbing hydrofluoric acid of a mixture onto sulfonic acid group containing fluoropolymer beads, isolating the polymer and recovering hf by backflowing an inert gas through beads |
10/11/1995 | EP0676386A1 Process for de separation of 1,1-difluoroethane from its mixtures with hydrogen fluoride |
10/10/1995 | US5457267 Dehalogenation of forming hydrofluoric acid, hydrogen bromide, scrubbing in an absorption column using water, hydrochloric acid and compressed air or steam to separate, recover reusable products |
09/27/1995 | EP0625957A4 Acid regeneration. |
09/27/1995 | CN2208565Y Hydrochloric acid synthesis furnace with new device for homogenizing distribution absorption solution |
09/26/1995 | CA2037160C Amorphous alloy catalysts for decomposition of flons |
09/13/1995 | CN2207379Y Chlorine preparing unit with absorption plant |
09/12/1995 | US5449848 Dehydrogenation process |
09/05/1995 | CA1336889C Treatment of iodine deficiency diseases |
08/30/1995 | EP0669303A1 Process for the separation of hydrogen fluoride and difluoromethane |
08/30/1995 | EP0669283A1 Production of phosphoric acid |
08/30/1995 | EP0417194B1 Method and apparatus for purifying hydrogen fluoride |
08/30/1995 | CN2206283Y Fluorhydric acid purified liquid and solid separating rakeless setting path |
08/23/1995 | EP0517723B1 Process for purifying hydrogen fluoride |
08/22/1995 | US5443804 System for the manufacture of methanol and simultaneous abatement of emission of greenhouse gases |
08/16/1995 | EP0666830A1 Method of recovering iodine from iodated organic compounds |
08/02/1995 | EP0665203A1 Process for purification of 1,1,1-trifluoro-2-chloroethane |
08/01/1995 | US5437848 Recovery of metal values from process residues |
08/01/1995 | US5437711 Method of purifying chlorine-containing gases |
08/01/1995 | US5437691 Production of spherical shaped products of subliming substances |
07/27/1995 | DE4402028A1 Regeneration of spent hydrofluoric acid esp. pickling acid |
07/20/1995 | WO1995019211A1 Recycling of wafer cleaning substances |
07/19/1995 | EP0662859A1 Method and apparatus for cleaning a gas. |
07/12/1995 | CN1104992A Method for treating ferrous salt in industrial halogen hydrogen acid |
07/05/1995 | EP0660803A1 Process for converting hexafluoroarsenic acid or any salt thereof to a water insoluble arsenate salt which can then be rendered nonhazardous. |
06/29/1995 | WO1995017366A1 Process for purifying 1,1,1,3,3-pentafluoro-2,3-dichloropropane |
06/29/1995 | WO1995017344A1 Process for extracting hydrochloric acid from bromine- and iodine-containing smoke gas |
06/28/1995 | EP0659686A1 Process and installation for the purification of an aqueous solution of an alkali metal chloride |