Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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06/23/1992 | CA1303815C Method for neutralization treatment of sulfuric acid containing iron ions |
06/23/1992 | CA1303814C Heat recovery from concentrated sulfuric acid |
06/23/1992 | CA1303813C Process and apparatus for the production of sodium hydrosulfite |
06/16/1992 | US5122359 Process for reprocessing sulfuric acid from phosphorous purification |
06/16/1992 | US5122358 Process for the purification of exhaust gases |
06/16/1992 | US5122357 Crystalline microporous metal oxysulfide compositions |
06/16/1992 | US5122353 Using alkali and alkaline earth sorbents |
06/16/1992 | US5122351 Method and apparatus for removing H2 S from a process gas and recovering sulfur |
06/16/1992 | CA1303481C Process for drying sulfur dioxide |
06/16/1992 | CA1303333C Sulfur dioxide removal from gas streams using hydroxyalkyl substituted piperazinones |
06/16/1992 | CA1303332C Process of simultaneously removing nitrogen oxides and sulfur dioxide from an oxygen-containing exhaust gas |
06/16/1992 | CA1303331C Three catalytic reactor extended claus process and apparatus |
06/11/1992 | WO1992009530A1 Precipitation of heavy-metal ions |
06/09/1992 | CA1302684C Microporous membrane trickle bed reactor |
06/05/1992 | WO1992010270A1 Process for the removal of sulphur compounds from gases |
06/04/1992 | DE4138618A1 Sulphuric acid prodn. in auto-thermal 3-stage contact process - with min. emission by using hot gas from sulphur combustion for heating gas to third stage |
06/03/1992 | EP0488477A1 Process for removing hydrogen sulphide from a sour gas |
06/03/1992 | EP0444166A4 Disposable oxide carrier for scavenging hydrogen sulfide |
06/03/1992 | CN1061579A Preliminary concentration method and device for associated thin acid in processing titania with sulphate process |
06/03/1992 | CN1016864B Prodn method of sadium dithionite with improved purity and granularity |
06/02/1992 | US5118490 Absorption of wet conversion gas |
06/02/1992 | CA1302383C Transition metal dichalcogenide catalysts |
05/31/1992 | CA2056600A1 Process for removing hydrogen sulphide from a sour gas |
05/29/1992 | CA2056199A1 Treatment of gas |
05/27/1992 | EP0486676A1 PROCESS USING SORBENTS FOR THE REMOVAL OF SO x? FROM FLUE GAS AND OTHER GAS STREAMS. |
05/27/1992 | DE4037326A1 Abtrennung von schwermetallionen Removal of heavy metal ions |
05/27/1992 | CN1016773B Layered silicates and their synthesis |
05/27/1992 | CN1016772B Layered metal oxides containing interlayer oxides and their synthesis |
05/27/1992 | CN1016771B Layered metal chalcogenides containing interspathic polymeric chalcogenides |
05/26/1992 | US5116798 Vanadium oxide and alkali salts |
05/21/1992 | DE4036899A1 Sulphuric acid prodn. by oxidn. of sulphur di:oxide mixt. - using hydrogen peroxide for desulphurisation of gases arising from sulphite-treated grape juice |
05/20/1992 | EP0485658A1 Method for purifying gaseous hydrides |
05/20/1992 | CN1016677B Method for preparation of layered metal oxides containing interlayer oxides |
05/19/1992 | US5114700 Electrically heated fluidized bed reactor and processes employing same |
05/19/1992 | US5114699 Recovering sulfuric acid for use in wet process phosphoric acid plants and agitation to homogenize and separation of carbon solids |
05/19/1992 | US5114698 Exposing to an amino material under pressure |
05/19/1992 | US5114691 Process using sorbents for the removal of SOx from flue gas |
05/19/1992 | US5114689 Integrated process for the removal of sulfur compounds from fluid streams |
05/19/1992 | CA1300852C Claus reaction furnace |
05/13/1992 | EP0484534A1 Apparatus for carrying out a catalytic process in a fluidized bed |
05/13/1992 | CN1016598B Process of sulfuic acid from supse |
05/12/1992 | US5112452 Removal of thiosulfate from hydrosulfite solutions |
05/06/1992 | WO1992007792A1 Use of chlorous acid for removing sulfur dioxide from combustion gases |
05/06/1992 | EP0484222A1 Process for the treatment of gases containing sulphur dioxide |
05/06/1992 | EP0422066A4 Removal of sulfur dioxide (so 2?) from waste gases and recovery as sulfuric acid |
05/06/1992 | CN1060865A Process for purifying high-temp. reducing gases |
05/06/1992 | CA2095116A1 Use of chlorous acid for removing sulfur dioxide from combustion gases |
05/05/1992 | US5110568 Stannosilicates and preparation thereof |
05/05/1992 | CA1300122C Process for fast removal of hydrogen sulfur contained in liquid sulfur, and catalytic system for application of said process |
05/05/1992 | CA1300117C Catalyst for the selective oxidation of sulfur containing compounds |
05/05/1992 | CA1299842C Reducing regeneration effluent rate by supplemental cooling and oxidantintroduction during regeneration of metal oxide absorbent |
05/05/1992 | CA1299839C Method for purifying high-temperature reducing gas |
04/28/1992 | US5108976 High-density and mean-porosity catalyst supported on a siliceous matrix, based on vanadium, iron, oxygen and alkali metal |
04/28/1992 | US5108731 Droplets caught in special filter |
04/28/1992 | US5108625 Process for removing sodium sulfate from aqueous buffer solutions |
04/22/1992 | EP0481298A1 Water containing sodium dithionite compositions |
04/22/1992 | EP0481281A2 Process for purifying high-temperature reducing gases |
04/21/1992 | US5106607 Multilobar catalysts for the conversion of sulfur containing gaseous effluents |
04/21/1992 | CA1298956C Utilization of sulphur dioxide for energy production |
04/20/1992 | CA2052871A1 Sodium dithionite preparation containing water |
04/15/1992 | EP0479891A1 Removal of hydrogen sulfide from produced fluids |
04/15/1992 | CN1060226A Devulcanizing agent prepared from waste acidic liquid and preparing process thereof |
04/14/1992 | US5104445 Extracting metals from ore by contacting with a solid salt to obtain a mixture, heating and chlorination and recovering the metals |
04/07/1992 | US5102635 Method for improving the long-term stability of H2 S absorption-oxidation process solutions |
04/06/1992 | CA2027048A1 Demister candle assembly |
04/01/1992 | EP0477338A1 Process for the treatment of water containing sulphur compounds. |
04/01/1992 | CN1016068B Sulfur dissolving composition |
03/31/1992 | US5100640 Furnaces Connected in Parallel |
03/25/1992 | EP0476744A1 Process for the concentration of diluted acid in a three-stage vacuum evaporator system |
03/25/1992 | EP0476385A1 Process for the preparation of a granular insoluble sulfur having improved flowability, vulcanizing agent and rubber composition containing said sulfur |
03/25/1992 | EP0476172A1 Process for preconcentrating diluted acid obtained during titanium dioxide preparation according to the sulphate process and use of apparatus for this process |
03/25/1992 | CN1015980B Process for separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids |
03/24/1992 | US5098679 Purification of alkali metal hydrosulfite solutions |
03/24/1992 | CA1297904C Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids |
03/24/1992 | CA1297903C Process for the separation of sulphuric acid from aqueous mixtures thereof with paraffin-sulphonic acids |
03/24/1992 | CA1297680C Method for recovering vanadium from residues from the combustion of petroleum fractions |
03/24/1992 | CA1297659C Sulfur recovery process using metal oxide absorbent with regenerator recycle to claus catalytic reactor |
03/21/1992 | CA2050710A1 Preconcentration of sp spent acid with non-purified calcination waste gases in a venturi scrubber |
03/17/1992 | US5096691 Treating a stream with an aqueous solution of a ferric salt of an aminopolycarboxy compound, a buffer and water-soluble hydroxyl-scavenger to form solid sulfur |
03/17/1992 | US5096683 Process of combusting an H2 S-containing gas |
03/17/1992 | US5096675 Front and rear chambers each having inner/outer entrance and exit; reaction of hydrogen sulfide and calcium carbonate |
03/17/1992 | US5096571 Recovery of sulfur from native ores |
03/17/1992 | CA1297269C Dual combustion oxygen-enriched claus sulfur plant |
03/17/1992 | CA1297268C Simultaneous separation and conversion to sulfur of h s |
03/17/1992 | CA1297267C Method and apparatus for making sulphuric acid |
03/10/1992 | US5094833 Sodium borohydride, sodium hydroxide, sulfur dioxide and sodium bisulfite |
03/10/1992 | US5094826 Method and arrangement for the denitrification and desulfurization of hot waste gases, particularly from furnaces |
03/10/1992 | US5094824 Desulfurization |
03/10/1992 | CA1297212C Method of oxidizing sulfide-containing liquor |
03/10/1992 | CA1296867C Process for selectively removing sulfur dioxide |
03/10/1992 | CA1296866C H s removal from gas streams |
03/08/1992 | CA2050838A1 Process for making improved sodium dithionite suspensions |
03/05/1992 | CA2024525A1 Process for removing hydrogen sulfide from a gaseous mixture and producing sulfur therefrom |
03/04/1992 | EP0464091A4 Improved sulfur dioxide generator |
03/03/1992 | US5093617 Hall-effect sensor having integrally molded frame with printed conductor thereon |
03/03/1992 | US5093090 Process for separating antimony from acidic solutions containing same with an organic diluent containing a polyol |
03/03/1992 | CA1296508C Removal of water vapor diluent after regeneration of metal oxide absorbent to reduce recycle stream |
03/01/1992 | WO1992004278A1 Method for preparing basic aluminum chlorosulfate |
03/01/1992 | CA2090413A1 Method for preparing basic aluminum chlorosulfate |
03/01/1992 | CA2050060A1 Process for preparation of granular insoluble sulfur having improved flowability, vulcanizing agent and rubber composition comprising same |