Patents
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
05/1983
05/04/1983EP0078073A1 Process for the manufacture of sulfuric acid
05/03/1983US4382072 Catalytic preparation of sulfuryl fluoride
05/03/1983US4382011 Melt of sodium and aluminum sulfides
05/03/1983US4382010 Scrubbing with sodium aluminate-sodium oxide maxture
04/1983
04/28/1983WO1983001438A1 A method in the manufacture of sulphuric acid from gases generated in discontinuous processes
04/28/1983WO1983001437A1 Flowing melt layer process for production of sulfides
04/19/1983US4380532 Process for fine purification of sulphur hexafluoride from impurities
04/12/1983CA1144502A1 Pollutants control in cracking system using a combustion promoter
04/12/1983CA1144340A1 Process for the recuperation of sulfuric acid
04/05/1983US4378977 Removal of undesired gaseous components from hot waste gases
04/05/1983CA1144084A1 Method of and apparatus for the separation of sulphur from a scrubbing liquid
04/05/1983CA1143924A1 Process for purifying sulfuric acid
03/1983
03/29/1983US4378339 Ammonium thiosulfate products and methods of making the same
03/08/1983US4376108 Process and apparatus for reclaiming sulfur-containing waste materials
03/08/1983US4376107 Process for the regeneration of spent sulfuric acid
03/08/1983CA1142424A1 Process for concentrating dilute solutions in an evaporator
03/08/1983CA1142326A1 High pressure process for recovery of sulphur from gases
03/02/1983EP0073074A2 Process for reducing the total sulphur content of a high CO2-content feed gas
03/01/1983CA1141942A1 Purification process
02/1983
02/22/1983US4374819 Catalytic process for removing toxic gases from gas streams
02/16/1983EP0071983A2 Process for removing sulfur compounds from gases
02/16/1983EP0071837A1 Process for decomposing diluted sulfuric acid
02/15/1983US4374104 Composition and method for removing hydrogen sulfide from gas stream
02/09/1983EP0071133A2 Process for preparing chlorosulfonic acid
02/09/1983EP0071078A1 Process for producing sulfuric acid
02/08/1983US4372940 Process and apparatus for treatment of thiosulfate containing liquors
02/08/1983US4372938 Sulfur monochloride or dichloride or sulfur-chlorine mixture
02/08/1983CA1140924A1 Gas purification process
02/04/1983EP0061444A4 Method for removing hydrogen sulfide from gas streams.
02/01/1983US4371512 Production of alkali metal sulfates
01/1983
01/18/1983CA1139530A2 Method of producing tricalcium silicate
01/11/1983US4368183 Oxidation of hot, humid sulfur dioxide without drying
01/11/1983US4368178 Process for the removal of H2 S and CO2 from gaseous streams
01/05/1983EP0068248A1 Process for the production of dithionites
01/04/1983US4367212 Control of thiosulfate in wet desulfurization process solutions
01/04/1983US4367211 Plasma arc process for the reduction of sulfur dioxide to sulfur
12/1982
12/28/1982US4366222 Cadmium sulfide/cadmium carbonate/cadmium oxide photoconductor produced by high temperature, inert atmosphere calcination
12/28/1982US4366134 Absorption in aqueous potassium citrate, stripping
12/22/1982EP0067180A1 Apparatus for continuous liquid separation by liquid boiling
12/21/1982US4365061 Storage stability
12/21/1982US4364918 Reaction with nickel derivative of ethylenediamine
12/21/1982US4364911 Controlled hydrolysis
12/21/1982US4364858 Method of producing an activated alumina Claus catalyst
12/21/1982US4364774 Sulphur pelletizing
12/21/1982CA1138141A1 Sulfur processing release agents
12/21/1982CA1137754A1 Process for controlling sulfur oxides in coal gasification
12/14/1982US4363790 Desulfurization of H2 S containing gas streams with production of elemental sulfur
12/14/1982CA1137435A1 Sulphur extraction
12/14/1982CA1137320A1 Method and apparatus for protecting an ion-exchange resin from chemical poisoning
12/14/1982CA1137279A1 Process for sulfur production
12/08/1982EP0066540A1 Process for producing hydrogen and elemental sulphur by photochemical redox reaction of hydrogen sulphide and sulphides
12/08/1982EP0066310A1 Sulphur recovery process
12/08/1982EP0066309A1 Sulphur recovery process
12/08/1982EP0066307A2 Process for the removal of acid gases from gaseous streams
12/08/1982EP0066306A1 Process for the removal of H2S and CO2 from gaseous streams
11/1982
11/30/1982CA1136384A1 Regeneration of spent so.sub.2-so.sub.3 sorbents with h.sub.2s at moderate temperature
11/23/1982US4360508 Treatment of effluents
11/16/1982US4359452 Vaporizing sulfur and mixing with hydrogen sulfide, quenching
11/16/1982US4359450 Absorption of carbon dioxide and carbonyl sulfide, hydrolysis, conversion of hydrogen sulfide to sulfur
11/16/1982CA1135481A1 Method for removing hydrogen sulfide from gas streams
11/10/1982EP0064355A1 Process for the reduction of sulphur dioxide
11/10/1982EP0064311A1 Prilling process for fusible materials using a cooling liquid
11/10/1982EP0022785B1 A method of recovering calcium and sulphur compounds from a metallurgical waste material
11/09/1982CA1135173A1 Incineration of sulfur plant tail gas
11/09/1982CA1135029A1 Method for the oxidation of sulfur dioxide present in concentrated sulfuric acid
11/02/1982US4357256 Bleaches, hexamethylenetetramine, sulfite
11/02/1982CA1134596A1 Process for producing hydrogen from hydrogen sulphide in a gas fluidized bed reactor
10/1982
10/27/1982EP0063551A2 A method for removing sulphur in conjunction with the gasification of carbonaceous material in metal smelts
10/26/1982US4356161 Absorption followed by reduction
10/26/1982CA1134315A1 Device for an installation of a quartz tube in a device for concentration of mineral acids
10/20/1982EP0062930A1 Process for producing a gas containing sulphur trioxide for waste gas purification in an electrostatic precipitator
10/19/1982US4355012 Sulfonation, for use in the stretford process
10/19/1982US4354899 A furnace containing one or more quartz tubes
10/12/1982US4353874 Rotary tube reactor for the thermal treatment of material
10/12/1982US4353852 Making sulfur pellets by spraying molten sulfur onto sulfur particles
10/12/1982CA1133453A1 Catalytic incineration of hydrogen sulfide from gas streams
10/06/1982EP0061444A1 Method for removing hydrogen sulfide from gas streams.
10/05/1982CA1132775A1 Method of prilled sulphur storage in the open area
09/1982
09/29/1982EP0061193A1 Process for the recovery of sulfuric acid
09/28/1982US4351812 Hydrolysis of carbon oxysulfide with morpholines and piperazines
09/22/1982EP0060742A1 Catalyst and process for the oxidation of hydrogen sulfide and or organic sulfur compounds into sulfur dioxide
09/22/1982EP0060741A1 Catalyst and process for treating industrial-waste gases that contain sulphur
09/21/1982US4350670 Process for treating flue gas
09/21/1982US4350598 Oil in calcium hydroxide
09/21/1982CA1131883A1 Process for the further processing of hydrogen sulphide-containing gases
09/08/1982EP0059548A1 Method and apparatus for treating sulfur-containing gas stream
09/08/1982EP0059412A2 Method of combusting gaseous fuels
09/07/1982US4348373 Increased efficiency
09/07/1982US4348368 Oxidation to sulfur with metal compound which is regenerated with oxygen
08/1982
08/31/1982CA1130721A1 Petroleum production technique utilizing a hot aqueous fluid
08/31/1982CA1130538A1 Control of thiosulfate in wet desulfurization process solutions
08/17/1982CA1129625A1 Method for separating sulphuric acid from the sulphoxide discharge arising during the reaction of paraffins with sulphur dioxide, oxygen and water in the presence of ultra-violet light
08/17/1982CA1129609A1 Method for oil-treating insoluble sulfur
08/11/1982EP0057608A1 Production of alkali metal sulfates
08/10/1982US4343778 Process for the purification of residual industrial gases containing small quantities of sulfur compounds
08/10/1982US4343687 Production of chain reactions by laser chemistry
08/10/1982CA1129182A1 Pelletizing method and apparatus
08/10/1982CA1129181A1 So.sub.2 scrubbing system for flue gas desulfurization
08/10/1982CA1129175A1 Sulfur and sulfur compounds oxidation process
08/03/1982US4342731 Method for removing hydrogen sulfide from coke oven gas