| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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| 02/02/2000 | EP0975414A1 Method for regenerating a loaded wash liquid from a gas desulfurization facility |
| 02/02/2000 | CN1243033A Complementary heat-exchanging process of two conversions of sulfuric acid apparatus |
| 02/01/2000 | CA2124192C Chromium-free impregnated activated universal respirator carbon for adsorption of toxic gases and/or vapors |
| 01/26/2000 | EP0974552A2 Partial combustion of hydrogen sulphide |
| 01/26/2000 | CN1242254A Partial combustion of hydrogen sulphide |
| 01/25/2000 | US6017507 Process for oxidation of H2 S to sulphur |
| 01/25/2000 | US6017500 High purity lithium salts and lithium salt solutions |
| 01/25/2000 | CA2170021C Liquid sulfur degassing |
| 01/19/2000 | EP0972746A1 Process and apparatus for producing sulfuric acid |
| 01/19/2000 | CN1048418C Fluidizable sulfur sorbent and fluidized sorption method |
| 01/17/2000 | CA2277577A1 Process and device for the production of sulphuric acid |
| 01/12/2000 | EP0970016A2 Sulfuric acid purification process |
| 01/12/2000 | EP0917490A4 Hydrotalcite sulfur oxide sorption |
| 01/12/2000 | EP0851836B1 Process for the high pressure degassing of hydrogen sulfide from liquid sulfur |
| 01/12/2000 | EP0772569B1 Catalytic desulphurization process for a gas containing h2s and so2 |
| 01/07/2000 | CA2276922A1 Process for the treatment of fluoboric electrolyte sludges |
| 01/05/2000 | CN1240192A Process for preparing insoluble sulphur and productive equipment |
| 01/04/2000 | US6010677 Using an accereration nozzle; vacuum; adiabatic expansion |
| 12/29/1999 | EP0966398A1 Method and apparatus for producing gaseous sulfur trioxide |
| 12/28/1999 | US6007722 Extraction method |
| 12/22/1999 | EP0964829A1 Removal of acidic gases in a gasification power system with production of hydrogen |
| 12/21/1999 | US6004377 System for collecting and refining SF6 gas and method therefor |
| 12/15/1999 | EP0963341A1 Method and catalyst for direct sulphur oxidation of h 2?s contained in a gas |
| 12/15/1999 | CN1238712A Preparation of homogeneous gas mixtures with SF6 |
| 12/09/1999 | WO1999062818A1 Method for producing polysulfide by electrolytic oxidation |
| 12/08/1999 | EP0882214A4 Sealed observation element for sulfur recovery unit |
| 12/08/1999 | EP0782541B1 Process for separating hydrogen halides from gases containing sulphur dioxide |
| 12/07/1999 | US5998523 Controlling particle size |
| 12/07/1999 | CA2050497C Process of desulfurizing a gas mixture which contains h2s and s2 with recovery of said composites in the form of sulfur |
| 12/02/1999 | WO1999061387A1 Method of sulphur binders production and sulphur binders |
| 12/01/1999 | CN1236730A Process and apparatus for purifying raw gas of sulfuric acid |
| 12/01/1999 | CN1046920C Method for prodn. of sulfoxide chloride |
| 11/30/1999 | US5993765 Process for the dry desulfurization of a combustion gas |
| 11/25/1999 | WO1999059915A1 Catalyst and process for oxidation of sulphur dioxide |
| 11/25/1999 | CA2324501A1 Catalyst and process for oxidation of sulphur dioxide |
| 11/24/1999 | EP0958251A1 Biological treatment of spent caustics |
| 11/23/1999 | US5989513 Biologically assisted process for treating sour gas at high pH |
| 11/23/1999 | US5989508 Liquid medium extraction purification method |
| 11/23/1999 | CA2154898C Stable sulfide compositions, uses, and process for preparation thereof |
| 11/23/1999 | CA2006093C Removing hydrogen sulphide from a gas mixture |
| 11/17/1999 | EP0956124A1 Extraction method |
| 11/17/1999 | EP0939750A4 Co-oxidation of h2s and saturated hydrocarbons |
| 11/17/1999 | CN2349194Y Continuous material preparation drum |
| 11/14/1999 | CA2237744A1 Catalyst and process for oxidation of sulphur dioxide |
| 11/09/1999 | US5980610 Apparatus and method for improving electrostatic precipitator performance by plasma reactor conversion of SO2 to SO3 |
| 11/09/1999 | US5979470 Using a water soluble metal vanadate |
| 11/03/1999 | CN1046096C Process for removing elemental sulfur from gas stream |
| 11/02/1999 | US5976868 Process for the treatment of gases |
| 10/28/1999 | WO1999054950A1 Electrochemical oxidation of hydrogen sulfide |
| 10/28/1999 | CA2328355A1 Electrochemical oxidation of hydrogen sulfide |
| 10/27/1999 | EP0951530A1 Sulphur reducing bacterium and its use in biological desulphurisation processes |
| 10/27/1999 | EP0951338A1 Selective removal and recovery of sulfur dioxide from effluent gases using organic phosphorous solvents |
| 10/27/1999 | CN1233195A Barrier discharge conversion of SO2 and NOx to acids |
| 10/26/1999 | US5972197 High yield electrolysis of sulfide ions within compartment of an electrolytic cell provided with a porous anode having carbon surface; pulp process cooking liquor |
| 10/21/1999 | DE19816708A1 Method for reconditioning of inorganic acids contaminated with metals |
| 10/20/1999 | CN2344079Y Sulfuric acid residue humidifier |
| 10/16/1999 | CA2253161A1 Electrochemical oxidation of hydrogen sulfide |
| 10/13/1999 | EP0949263A2 Process for producing sulfur-containing organosilicon compounds and synthetic intermediates thereof |
| 10/13/1999 | CN1231214A Preparation of boron trifluoride and sulfuric acid from boron trifluoride hydrate |
| 10/12/1999 | US5965264 Powders providing controlled sustained release of a gas |
| 10/12/1999 | US5965100 Oxidizing feed gas with oxygen containing gas in furnace forming effluent stream containing elemental sulfur, hydrogen sulfiden and sulfur dioxide; separating and removing sulfur ; repeating process with gas stream |
| 10/07/1999 | WO1999050180A1 Method of processing sulfur-containing materials derived from flue gas desulfurization or other sources |
| 10/07/1999 | WO1999050177A1 Waste acid recovery |
| 10/07/1999 | WO1999050176A1 PHOTOCHEMICAL SYNTHESIS OF INSOLUBLE ν SULPHUR |
| 10/06/1999 | EP0946410A1 Process for recovering sulfur hexafluoride |
| 10/06/1999 | EP0946408A1 Treatment of chlorine dioxide generator effluent and feed streams with fixed-resin bed |
| 10/06/1999 | EP0946272A1 Preparation of homogeneous gas mixtures with sf 6? |
| 10/06/1999 | EP0740580B1 Desulfurizing a gas stream |
| 10/06/1999 | CN1230454A Method of processing sulfur-containing materials derived from flue gas desulfurization or other sources |
| 10/05/1999 | CA1340777C Process and facility for the treatment of sulfur dioxide-containing gas effluents with oxygen |
| 09/29/1999 | EP0944427A1 Use of a catalyst with base of molybdenum for direct oxidation at low temperature of sulphurous compounds into sulphur and/or sulphates |
| 09/29/1999 | CN1230158A Process for recovery of sulfur from SO2 containing gases |
| 09/28/1999 | US5958360 Introducing the hydrogen sulfide conatminated gas through tangentailly distributed gas inlets within reaction vessel containing a liquid redox solution which prevents buildup of elemental sulfur in the process equipment |
| 09/28/1999 | US5958359 Direct conversion of hydrogen sulfide to elemental sulfide using sulfated solid oxide(sulfated magnesium aluminate i.e. solid oxide* so3), regenerating the sulfated solid oxide |
| 09/28/1999 | US5958281 Lithium ion-conductive solid electrolyte and method for producing the same |
| 09/28/1999 | US5958238 Feeding to anerobic digestion system; converting to sulfide; circulating effluent; removing sulfide; converting sulfide to sulfur |
| 09/21/1999 | US5955050 Reduction with hydrazine, sulfamic acid or urea to n2; oxidation of nitrososulfuric acid to nitrylsulfuric acid with h2o2 or persulfate |
| 09/16/1999 | WO1999046223A1 Method and apparatus for direct fluorination of carbon or sulfur compounds |
| 09/15/1999 | CN1228715A Selective removal and recovery of sulfur dioxide from effluent gases using organic phosphorous solvents |
| 09/14/1999 | US5951961 Process for treating a gas containing hydrogen sulphide and sulphur dioxide, comprising a step for eliminating sulphur by cooling a gaseous effluent |
| 09/14/1999 | CA2158131C Sulfur dioxide generation using granulated or emulsoid sulfur feedstock |
| 09/10/1999 | WO1999045555A1 Apparatus and procedure for elimination of water, air and other gases from the mixture of sulfurhexafluoride (sf6) with gas |
| 09/08/1999 | EP0939750A1 Co-oxidation of h2s and saturated hydrocarbons |
| 09/08/1999 | CN1228118A Sulphur reducing bacterium and its use in biological desulphurisation processes |
| 09/07/1999 | US5948392 Stable sulfide compositions, uses, and process for preparation thereof |
| 09/07/1999 | CA2134445C Methods for regenerating a sulfur scavenging compound from a product of a sulfur scavenging reaction |
| 09/01/1999 | CN1044929C Method of separating sulphur compounds |
| 08/31/1999 | US5944868 Reacting ammonium thiosulfate with ion exchange resin; forming potassium thiosulfate |
| 08/31/1999 | CA2004652C Method and apparatus for effecting gas-liquid contact reactions |
| 08/26/1999 | WO1999042200A1 Aerosol method and apparatus for making particulate products |
| 08/26/1999 | WO1999031358A3 Claus unit cooling and heat recovery system |
| 08/25/1999 | EP0937680A1 Apparatus for the concentration and the purification of sulfuric acid |
| 08/25/1999 | CN2334489Y Sulfur fusion caldron |
| 08/25/1999 | CN1226873A Method for eliminating H2S, SO2, COS and/or CS2 sulphur compounds, contained in sulphur factory waste gas with recuperation of said compounds in form of sulphur |
| 08/25/1999 | CN1226459A Process for purifying and recovering waste SOx gas from coal boiler |
| 08/23/1999 | CA2262265A1 Apparatus for concentrating and purifying sulfuric acid |
| 08/19/1999 | DE19806276A1 Catalytic recovery of sulfur from hydrogen sulfide |
| 08/18/1999 | EP0814894B1 Process for the treatment of gases |
| 08/18/1999 | CN1226225A Biological treatment method for waste alkali liquid |
| 08/17/1999 | US5939586 Esterification of alkyloxybiphenylcarboxylic acid or chloride with purified thionyl chloride heated and distilled in phenol; by-product inhibition of sulfuryl chloride |