| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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| 07/23/1996 | US5538707 Acid concentration control in SO3 absorption |
| 07/23/1996 | US5538703 Hot gas desulfurization by injection of regenerable sorbents in gasifier-exit ducts |
| 07/17/1996 | EP0721917A1 Catalyst for reducing sulphurous acid gas, manufacturing method thereof and method for recovering sulphur using the same |
| 07/16/1996 | CA2028293C Method for treating zinc-containing sulfate solution |
| 07/11/1996 | WO1996020906A1 Method for upgrading a gas |
| 07/09/1996 | US5534471 Multilayer membrane with metal oxidelayer on a surface coated with catalyst |
| 07/03/1996 | EP0719236A1 Improvements in or relating to sulphur production from sulphur-bearing gas streams |
| 07/02/1996 | US5531970 Calcium fluoride sediments, complexing, reacting with acid, separating primary values of ta and nb from secondary values of u or th, solubilizing |
| 07/02/1996 | US5531936 Sulfides or selenides for optical transmisson |
| 07/02/1996 | US5531169 Treatment of liquid waste material |
| 06/27/1996 | WO1996019281A1 Integrated cos-h2s hydrolysis process |
| 06/26/1996 | EP0718031A1 Composite hydrogen separation element and module |
| 06/26/1996 | EP0718026A1 Removing hydrogen sulphide from a gas stream |
| 06/26/1996 | EP0717720A1 Liquid sulfur degassing |
| 06/26/1996 | CN1125432A Process for purifying sulphide-containing waste water |
| 06/20/1996 | WO1996018453A1 Air pollution control and heat recovery system |
| 06/20/1996 | CA2162084A1 Composite hydrogen separation element and module |
| 06/19/1996 | EP0716677A1 Process for scrubbing a substantially oxygen-free fuel gas |
| 06/18/1996 | US5527985 Exposing waste to focused radiatoin emission to form sulfur trioxide and water |
| 06/18/1996 | US5527475 Method for determining the parameters of a gas-liquid contact apparatus |
| 06/13/1996 | DE19548009A1 Selectively removing (in)organic cpds. from gases |
| 06/12/1996 | EP0715886A1 Apparatus and process for carrying our exothermic reactions |
| 06/12/1996 | EP0715602A1 Catalyst for the selective oxidation of sulfur compounds to elemental sulfur, process for preparing such catalyst and process for the selective oxidation of sulfur compounds to elemental sulfur |
| 06/11/1996 | US5524836 Method for producing powder from polycrystalline inorganic material |
| 06/05/1996 | DE19548006A1 Selective removal of sulphur cpds. from gases |
| 06/05/1996 | CN1123713A Alumina-based catalyst for the treatment of gases containing sulphur compounds, use of these catalysts for the treatment and processes for treatment of the said gases |
| 06/05/1996 | CN1031934C Purification of sulfur |
| 06/05/1996 | CN1031926C Catalyst for oxidation of sulfur dioxide |
| 06/04/1996 | US5523518 Purification by electrolysis |
| 05/30/1996 | WO1996015987A1 Metal and fluorine values recovery from mineral ore treatment |
| 05/30/1996 | CA2205482A1 Metal and fluorine values recovery from mineral ore treatment |
| 05/28/1996 | US5520818 Method for effecting gas-liquid contact |
| 05/23/1996 | WO1996015279A1 Processing of sulphides |
| 05/23/1996 | DE4441193A1 Condensing waste gas using condenser |
| 05/22/1996 | CN1122767A Method for utilization of filter residue from acid hydrolysis of calcium lactate |
| 05/22/1996 | CN1031817C Process of purifying gas containing H2S and CO2 |
| 05/15/1996 | EP0674598B1 Method and apparatus for treating a flow of gas containing oxidized sulphur compounds |
| 05/14/1996 | US5516498 Process for the removal of sulfur dioxide from gases |
| 05/07/1996 | US5514358 Method for the synthesis of chemical compounds |
| 05/07/1996 | US5514351 Simplified process for treating effluent from claus process, adsorption, desorption, oxidation, heat exchanging |
| 05/02/1996 | WO1996012673A1 NOx DESTRUCTION IN SULPHURIC ACID |
| 05/01/1996 | EP0709471A1 Use of diethyl dodecylphosphonate for extracting acid and metal salts from aqueous solutions |
| 04/30/1996 | US5512260 Hydrogenation and hydrolysis to convert sulfur compounds to hydrogen sulfide, oxidation with acid catalyst to convert hydrogen sulfide to elemental sulfur |
| 04/30/1996 | US5512258 Vanadium catalysts and desulfurization of sulfur compound-containing gases therewith |
| 04/27/1996 | CA2161180A1 Extraction of acids and metal salts from aqueous solutions with diethyl dodecylphosphonate |
| 04/25/1996 | WO1996011876A1 Reactor container, plant and process for the production of sulfuric acid |
| 04/25/1996 | CA2177841A1 Reactor container, plant and process for the production of sulfuric acid |
| 04/24/1996 | EP0672020B1 Drying and separating process and plant |
| 04/24/1996 | EP0670811B1 Process for desulphurating a h2s-containing crude gas |
| 04/18/1996 | WO1996011164A1 Method and apparatus for desulfurizing a gas |
| 04/18/1996 | DE4447583A1 Removing harmful pollutants from combustion waste gases and recovering |
| 04/17/1996 | CN1120617A Dirt-removing paper |
| 04/17/1996 | CN1031561C Process for preparation of large grain ammonium sulphate |
| 04/16/1996 | US5508018 Process for the regeneration of sodium hydroxide from sodium sulfide |
| 04/16/1996 | US5508013 Controlled combustion of fuel |
| 04/16/1996 | US5508012 Reacting calcium oxide woth sulfur-containing hetero compound, derived from reaction of hydrogen sulfide and amine; reacting calcium sulfide product with alkali to produce sodium sulfide, regenerate calcium oxide |
| 04/14/1996 | CA2160412A1 Method and apparatus for degassing sulphur |
| 04/11/1996 | DE4436019A1 Prepn. of sulphuric acid free of heavy metals |
| 04/10/1996 | EP0705060A1 Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio)butyric acid manufacture |
| 04/09/1996 | US5505823 Electrolysis of molten mixture of potassium aluminum sulfate or aluminum sulfate with potassium sulfate in covered crucible |
| 04/09/1996 | US5505767 System and process for collecting sulfuric acid fumes |
| 04/02/1996 | US5503821 Methods for recovering high grade process energy from a contact sulfuric acid process |
| 04/02/1996 | US5502969 Passing carrier gas containing fluorine compounds into mass transfer contacting device with wash liquid, producing carrier gas vapor and fluorine compound containing wash liquid, separating in cryogenic rectification column |
| 03/28/1996 | WO1996009248A1 A method to prepare calcium carbonate |
| 03/28/1996 | WO1996009245A1 Process for separating hydrogen halides from gases containing sulphur dioxide |
| 03/28/1996 | DE19507179C1 Catalyst for oxidn. of gaseous sulphur cpds. esp. hydrogen sulphide |
| 03/27/1996 | EP0702663A1 Process for purifying sulphide-containing waste water |
| 03/27/1996 | CN1119429A Sulfur dioxide generation using granulated or emulsoid sulfur feedstock |
| 03/26/1996 | US5502201 Process for preparing 2-chloro-benzothiazoles or 2-chloro-benzoxazoles |
| 03/26/1996 | US5501847 Process for purifying impure sulphuric acid |
| 03/21/1996 | DE4433246A1 Verfahren zur Herstellung eines reversiblen Adsorbens A method for manufacturing a reversible adsorbent |
| 03/21/1996 | DE4433049A1 Producing sulphur di:oxide-contg. gas and cement clinker from waste gypsum |
| 03/20/1996 | EP0701967A1 A method of forming sulphur |
| 03/20/1996 | CN1119032A A method of separating sulphur compounds |
| 03/20/1996 | CN1118710A Catalysts for the treatment of gas containing sulphur compounds, use and process for the treatment of a gas containing sulphur compounds |
| 03/20/1996 | CA2158314A1 Method of forming sulphur |
| 03/19/1996 | US5500135 Method for effecting gas-liquid contact |
| 03/19/1996 | US5500130 Method for effecting gas-liquid contact |
| 03/19/1996 | US5500095 Distillation, purification |
| 03/14/1996 | WO1996007614A1 Very high temperature and atmospheric pressure superconducting compositions and methods of making and using same |
| 03/14/1996 | DE19531630A1 Sulphur tri:oxide mfr. for sulphuric acid prodn. |
| 03/13/1996 | EP0640066A4 Methods for regenerating a sulfur scavenging compound from a product of a sulfur scavenging reaction. |
| 03/12/1996 | US5498790 Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio)butyric acid manufacture |
| 03/12/1996 | US5498400 Preparation of thionyl chloride and phosphorus oxyhloride from sulfur dioxide |
| 03/12/1996 | US5498398 Using hydrogen sulfide to form copper sulfide, blowing air to oxidize other metals in solution |
| 03/12/1996 | US5498278 Composite hydrogen separation element and module |
| 03/12/1996 | US5498270 Sulfur trap |
| 03/09/1996 | CA2157644A1 Hydrogen peroxide for flue gas desulfurization |
| 03/07/1996 | DE4431558A1 Harmful substances such as HF, HCl, SO2 and Hg are removed from combustion waste gases in a process |
| 02/27/1996 | US5494879 Catalyst for the reduction of sulfur dioxide to elemental sulfur |
| 02/27/1996 | US5494650 Controlling oxidation |
| 02/20/1996 | US5492882 Chromium-free impregnated activated universal respirator carbon for adsorption of toxic gases and/or vapors in industrial applications |
| 02/15/1996 | WO1996004202A1 Method and equipment for recovery and treatment of sulphur dioxide contained in exhaust gases |
| 02/15/1996 | CA2196531A1 Method and equipment for recovery and treatment of sulphur dioxide contained in exhaust gases |
| 02/14/1996 | EP0656154B1 Process for disposing of sodium-sulphur accumulator cells |
| 02/08/1996 | WO1996003198A1 Desulfurization of incondensible gases from the vacuum distillation of crude oil |
| 02/08/1996 | CA2195631A1 Desulfurization of incondensible gases from the vacuum distillation of crude oil |
| 02/07/1996 | CN1030905C Hydrogen sulfide continuous generating and refinery technology |
| 02/06/1996 | US5489423 Process for recovering sulfuric acid from metallic sulfate-containing exhaust sulfuric acid |
| 02/01/1996 | WO1996002461A1 Methods for recovering sodium sulfides from a sulfur scavenging reaction |