Patents
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
12/1992
12/30/1992EP0520317A1 Process for thermal conversion of hydrogen sulphide to elemental sulphur
12/29/1992US5175136 Foraminous ceramic support with high surface area substrate, platinum active phase, titanium, zirconium or hafnium promoter
12/29/1992US5174973 Method and apparatus for effecting gas-liquid contact
12/29/1992US5174919 Sulfur absorbents and process for removing sulfur from fluid streams
12/29/1992CA1311909C Process and apparatus for treating a sulfur dioxide-containing gas
12/23/1992CN1067225A Improved process for producing sodium sulphide
12/22/1992US5173285 Two step process reacting molten sulfur and hydrogen sulfide
12/22/1992US5173088 Process for preparing crystals of anhydrous sodium sulfide
12/22/1992US5173044 Includes step of absorbing sulfur dioxide
12/15/1992US5171551 Zirconium dioxide gas desulfurization catalyst
12/15/1992CA1311344C Regulation system of a chemical treatment installation used for performance improvement by variance attenuation of adjustment parameters
12/10/1992WO1992021431A1 Dual impeller method and apparatus for effecting chemical conversion
12/09/1992EP0517228A1 Method for separating and recovering an acid
12/09/1992EP0431078B1 Process for catalytic oxidation of hydrogen sulphide
12/02/1992EP0516001A1 Process for the regeneration of spent sulphuric acid
12/01/1992US5167940 Process and apparatus for removal of H2 S from a process gas including polyvalent metal removal and decomposition of salts and complexes
11/1992
11/26/1992WO1992020621A1 Catalyst and process for removal of sulphur compounds and nitrogen oxides from fluid streams
11/26/1992WO1992020431A1 Treatment of acid gas using hybrid membrane separation systems
11/25/1992EP0514941A1 Process for the separation of sulphur oxides from offgases
11/25/1992EP0486676A4 Process using sorbents for the removal of so x? from flue gas and other gas streams
11/22/1992CA2108892A1 Treatment of acid gas using hybrid membrane separation systems
11/19/1992DE4115532A1 Removal of nickel tetra:carbonyl and iron penta:carbonyl from hydrogen sulphide gases - by washing with methanol and removing condensate
11/18/1992CN1066255A Activated carbon prodn. by making use of residue of furfural and the recovery of sulfur dioxide in flue gas
11/18/1992CN1066254A Continuous generation and purificaiton of hydrogen sulphide
11/12/1992WO1992019368A1 Method for concentrating aqueous solutions of acids containing metal ions by electrodialysis
11/10/1992US5162076 Electrodialysis
10/1992
10/28/1992EP0510529A1 Purification of sulfur hexafluoride
10/28/1992CN1065641A Preparing method for strontium carbonate with by-products of sodium hydrosulfide and ammonium chloride
10/26/1992WO1992019532A1 Method for producing sulphur from a combustible effluent and at least one acidic gas containing hydrogen sulphide, and thermal reactor
10/22/1992DE4211336A1 Enhanced sulphur oxide recovery in flue gas desulphurisation - by enrichment of boiler furnace fuels with waste sulphur-contg. materials
10/20/1992US5156827 Apparatus, process, and composition for in-situ generation of polyhydridic compounds of group iv-vi elements
10/20/1992CA1308876C Heat recovery from concentrated sulfuric acid
10/15/1992WO1992017401A1 Process and apparatus for removal of h2s from gaseous streams using membrane purification of recycle solution
10/14/1992EP0508244A1 Process and apparatus for removal of H2S with separate absorber, and oxidizer and a reaction chamber therebetween
10/13/1992CA1308537C Method for removing the sulphur content of a weak gas containing sulphurdioxide
10/07/1992EP0506741A1 Process of reclaiming battery acid from lead acid batteries
10/06/1992US5152970 Selective oxidation of hydrogen sulfide using metal sulfide catalysts so that elemental sulfur is deposited on a porous support and evaporating the sulfur in the absencce of oxygen to prevent the formation of sulfur oxides
10/06/1992CA1308237C Catalyst bed for exothermal reactions between gases or fluids
10/05/1992WO1992017410A1 Method for removing sulphur compounds from water
10/01/1992WO1992016453A1 Reduction of sulfur emissions from coal-fired boilers
09/1992
09/30/1992EP0506161A1 Process for the preparation of sulphur from a gas containing hydrogen sulphide
09/30/1992EP0506160A1 Process for eliminating hydrogen sulphide from gases by means of activated carbon
09/29/1992US5151395 Bulk gas sorption and apparatus, gas containment/treatment system comprising same, and sorbent composition therefor
09/29/1992US5151257 Removal of hydrogen sulfide from fluid streams
09/29/1992CA2106198A1 Process and apparatus for removal of h2s from gaseous streams using membrane purification of recycle solution
09/29/1992CA1307908C Process for the purification and reheating of exhaust gases
09/29/1992CA1307906C Method for the purification of hydrogen sulfide-containing gases
09/23/1992EP0504203A1 Method and apparatus for effecting gas-liquid contact.
09/23/1992EP0504187A1 Dual impeller method and apparatus for effecting chemical conversion.
09/22/1992US5149509 Production of liquid sulfur
09/22/1992CA1307747C Continuous recovery of sulfur from flue gas
09/22/1992CA1307653C Apparatus for recovering elemental sulphur
09/22/1992CA1307652C Mte sulphur recovery process
09/15/1992US5147620 Desulfurization with copper
09/15/1992US5146755 Method for reducing flue gas acid vapor emissions and energy recovery
09/15/1992CA1307492C Gas and alcohol recovery process
09/15/1992CA1307380C Process and means for the selective extraction of n s contained in a gas
09/08/1992CA1307138C Use of a chromium-containing alloy
09/03/1992WO1992014532A1 Process and apparatus for purifying elemental sulfur carried in an aqueous cake
09/02/1992EP0501933A2 Process for the purification of fluorine-containing gases
09/01/1992US5144234 Hall-effect sensor with integrally molded frame and plate supported Hall element
08/1992
08/27/1992WO1992014678A1 Oxygen-based noncatalytic sulfuric acid process
08/27/1992CA2081318A1 Oxygen-based noncatalytic sulfuric acid process
08/26/1992EP0500320A1 Treatment of gases
08/25/1992US5141733 High pressure-low pressure steam system for extended Claus sulfur recovery plant
08/25/1992US5141720 Two-cooling elements in parallel relationship
08/23/1992CA2036885A1 Photosynthesis reaction-process, applications thereof and implementation apparatus
08/19/1992EP0499290A1 Heat recovery from concentrated sulfuric acid
08/18/1992US5139765 Dual combustion zone sulfur recovery process
08/18/1992US5139764 Sulfur recovery process for ammonia-containing feed gas
08/18/1992US5139753 Continuous process for mass transfer of a liquid reagent with two different gases
08/12/1992CN2112624U Device for extracting sodium thoisulfate from waste water
08/11/1992US5136854 Centrifugal gas compressor - expander for refrigeration
08/11/1992CA1306096C Process of removing hydrogen sulfide from exhaust gas
08/04/1992US5136551 System for evaluation of velocities of acoustical energy of sedimentary rocks
08/04/1992CA1305848C Process for oxidizing hydrogen sulfide contained in mineral acid
08/04/1992CA1305845C Process for producing elemental sulphur
07/1992
07/29/1992EP0496101A1 Process for the thermal treatment of ammonium sulfate containing wastes especially ammonium sulfate containing waste-waters
07/28/1992US5133954 Process for regenerating a scrubbing agent loaded with H2 S and/or COS
07/28/1992US5133949 Process and device for the removal of H2 S
07/28/1992US5133190 Electric power plant, cogeneration
07/23/1992WO1992012786A1 Stripping method and apparatus
07/23/1992WO1992012391A1 Rotating tube heat treatment unit, in particular a rotating tubular kiln, with indirect heat feed or dissipation
07/23/1992CA2100768A1 Stripping and method and apparatus
07/21/1992US5132098 Claus process
07/21/1992CA1305307C Process for the removal of sulphur dioxide from gases
07/15/1992CN1062708A Producing technology of sulphone chloride binding producing phosphorus oxytrichloride
07/14/1992US5130112 Method for recovering high grade process energy from a contact sulfuric acid process
07/14/1992CA1304913C Process for selectively removing hydrogen sulfide from a gas stream at high pressure
07/14/1992CA1304912C Gas/solid contact method for removing sulfur oxides from gases
07/09/1992WO1992011200A1 Manufacture of peroxidic compositions
07/08/1992EP0494005A1 Multicomponent agent or kit for the preparation of the sulphoconjugated forms of pyridino-, pyrimidino- or triazino-N-oxyde compounds and method of application thereof
07/07/1992US5128303 Group 1A-titanium-metal oxides, catalysts and supports
07/02/1992DE4041914A1 Sulphide-based luminous material prodn. - by burning under hydrogen sulphide then under hydrogen sulphide or sulphur@ then under sulphur@
06/1992
06/30/1992US5126118 Efficient oxidation of hydrogen sulfide to sulfur with redox catalyst solution
06/29/1992CA2058471A1 Multicomponents agent or preparation kit for producing the sulfo-conjugated form of pyridino-, pyrimidino- or triazino-n-oxide compounds and process therefor
06/29/1992CA2056123A1 Process and an apparatus for desulfurization of flue gases
06/23/1992US5124139 Method for preparing basic aluminum chlorosulfate
06/23/1992CA1303823C Sulphur melter
06/23/1992CA1303820C Four catalytic reactor extended claus process
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