Patents
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
10/2005
10/06/2005DE102004012751A1 Verwendung von N-Ethyl-2-pyrrolidon Use of N-ethyl-2-pyrrolidone
10/06/2005CA2558236A1 A process for the high recovery efficiency of sulfur from an acid gas stream
10/06/2005CA2558234A1 A process for the high recovery efficiency of sulfur from an acid gas stream
10/05/2005CN1678521A Compound semiconductor particles and production process therefor
10/05/2005CN1678520A Process for preparing SO2F2 and SO2CLF
10/04/2005CA2363904C Transporting sulfur pellets
09/2005
09/29/2005WO2005090447A2 Use of n-ethyl-2-pyrrolidone
09/29/2005US20050214925 Process for the high recovery efficiency of sulfur from an acid gas stream
09/29/2005DE102004012293A1 Verfahren und Anlage zur Herstellung von Schwefelsäure Process and apparatus for the production of sulfuric acid
09/28/2005CN2729040Y Heat recovering tower for low temp thermal energy recovery of sulfuric acid manufacture
09/28/2005CN1220669C Method for recovering organic acid and inorganic salt from oxidized and saponified cyclohexane waste lye
09/28/2005CN1220626C Production process of CS2 and H2S with mixed natural gas of methane and ethane
09/27/2005US6949230 Solid state oxygen anion and electron mediating membrane and catalytic membrane reactors containing them
09/22/2005WO2005087660A1 Flame synthesis of metal salt nanoparticles, in particular calcium and phosphate comprising nanoparticles
09/22/2005US20050207956 reducing sulfur oxides (SOx), nitrogen oxides (NOx) and carbon monoxide (CO) emissions from a fluid stream, using adsorber materials comprising oxides of magnesium, aluminum and other metals on supports; pollution control
09/22/2005US20050205774 System and method for mass flow detection device calibration
09/21/2005EP1575699A1 Method and apparatus for heat treatment in a fluidised bed
09/21/2005CN1671619A Method for isolating hydrogen sulphide from coke-oven gas with the subsequent recovery of elemental sulphur in a claus plant
09/21/2005CN1669912A Nano elemental sulfur dedicated to vulcanization of rubber tire and preparation method thereof
09/21/2005CN1219579C Absorbing liquid for eliminating sulfide from gas mixture
09/20/2005US6946111 A hydrogen sulfide containing gas stream is fed into a short contact time reactor where the hydrogen sulfide is partially oxidized by oxygen over a oxidation catalyst to form sulfur and water
09/15/2005WO2005085128A1 Purification of sulfuryl fluoride
09/15/2005US20050201924 Apparatus and catalytic partial oxidation process for recovering sulfur from an H2S-containing gas stream
09/15/2005DE4000609B4 Katalysator für die Oxidation von Schwefeldioxid zu Schwefeltrioxid Catalyst for the oxidation of sulfur dioxide to sulfur trioxide
09/14/2005EP1572325A1 Chemical-biological process for the removal of h2s from a gas
09/14/2005CN2725269Y High efficiency overflow regulatoble pipe acid distributing device
09/14/2005CN1668529A Fission reactor for a claus plant
09/14/2005CN1218868C Device for preparing high purity elemental sulfur from sulfate waste water by bio-physiochemical method
09/14/2005CN1218867C Method for preventing and resolving blockage of desulfurizing tower
09/13/2005CA2259939C Process of producing sulfuric acid
09/09/2005WO2005082778A1 Process and apparatus for converting hydrogen sulfide into hydrogen and sulfur
09/09/2005CA2598094A1 Process and apparatus for converting hydrogen sulfide into hydrogen and sulfur
09/08/2005US20050196338 Process for the high recovery efficiency of sulfur from an acid gas stream
09/07/2005EP1571126A1 Purification of sulfuryl fluoride
09/07/2005EP1240460B1 Partial oxidation of hydrogen sulphide
09/07/2005CN1217910C Method of producing acyl fluorides from acyl chlorides
09/07/2005CN1217852C Method and apparatus for producing hydrogen fluoride
09/01/2005US20050191237 The feed gas is comprised of hydrogen sulfide, the hydrogen product is comprised of elemental hydrogen and the sulfur product is comprised of elemental sulfur. In the process, separation then purification
09/01/2005US20050191231 Synthesis of magnetite nanoparticles and the process of forming fe-based nanomaterials
09/01/2005US20050189517 includes phosphors having a small particle size, narrow particle size distribution, spherical morphology and good crystallinity; utilized in cathode ray tube (CRT) screens for televisions and similar devices
08/2005
08/31/2005EP1568658A1 Apparatus recycling spent sulfuric acid
08/31/2005CN1662805A System and method for mass flow detection device calibration
08/25/2005WO2005077502A1 Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes
08/24/2005EP1565402A1 Process and plant for the manufacture of sulphuric acid from gases rich in sulphur dioxide
08/24/2005CN1657402A Vanadium catalyst for preparing sulfuric acid by wet conversion and its preparation method
08/18/2005WO2005075351A2 Process for the removal of hydrogen sulfide, by means of its oxidation in the presence of hetero polyacids
08/18/2005WO2005075056A1 Methods and configurations for acid gas enrichment
08/18/2005US20050180914 Catalytic partial oxidation of hydrogen sulfide to sulfur and water in presence of oxygen;a receiving reacted gases from said first catalyzing partial reduction of sulfure dioxide to elemental sulfur in presence of reducing gas of carbon monoxide, methane or natural gas; desulfurization
08/18/2005US20050180913 in a gas stream containing at least one aromatic hydrocarbon impurity; created in the flame at least one hot aromatic hydrocarbon impurity destruction region
08/18/2005US20050180905 Multi-stage heat absorbing reactor and process for SCR of NOx and for oxidation of elemental mercury
08/17/2005CN1654337A Method for preparing iron oxide black by reducing nitrobenzene using ferrous powder with side product of aniline sulfate salts
08/17/2005CN1654316A Flowing light discharge plasma oxygenized sulfite
08/11/2005US20050173345 Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes
08/10/2005CN1651582A Method of comprehensively utilizing arsenic sulfur element in high arsenic containing pyrite
08/10/2005CN1214090C Processing of gas stream containing hydrogen sulphide
08/10/2005CN1213791C Process for recovering sulphur from gas stream containing hydrogen sulphide
08/10/2005CN1213790C Process for treating gas stream containing hydrogen sulphide
08/09/2005US6926927 Applying a thin chalcogen film to an acute tip of a glass fiber; holding acute tip in physical contact with a metal, whereby a metal chalcogenide nano-particle or nano-particles are generated by diffusional reaction
08/09/2005US6926757 Method for the concentration of spent acid
08/04/2005WO2005070821A1 Two-stage catalytic process for recovering sulfur from an h2s containing gas stream
08/04/2005WO2005069804A2 Process for the catalytic partial oxidation of h2s using staged addition of oxygen
08/04/2005US20050170662 Method and apparatus for processing semiconductor substrates
08/04/2005US20050166368 salts in feed solution diffuse into the layers of pond and a salt having a solubility which increases with temperature crystallizes in the upper layers, precipitates to the bottom and re-dissolves; solar energy
08/04/2005DE102004061730A1 Verfahren zur Reinigung des CO2-Stromes aus einem CO2-freien Kraftwerk Process for the purification of the CO2 stream from a CO2-free power plant
08/04/2005CA2550550A1 Process for the catalytic partial oxidation of h2s using staged addition of oxygen
08/04/2005CA2550099A1 Two-stage catalytic process for recovering sulfur from an h2s containing gas stream
08/03/2005CN2714537Y Industrial electric heating oven for sulfuric acid
08/03/2005CN1213002C Improved Process and system for separation and recovery of perfluorocompound gases
07/2005
07/28/2005WO2005068358A1 Production of 'useful material(s)' from waste acid issued from the production of titanium dioxyde
07/28/2005WO2005068357A2 Recovery of sulfur from a hydrogen sulfide containing gas
07/28/2005US20050163698 Novel graphite nanocatalysts
07/28/2005US20050161339 reacting aluminum halides with bauxite, alumina, aluminum hydroxide and/or aluminum, to form hydroxyhalides and halohydrates; converting raw material in salt form to acids via acidification with sulfuric or sulfurous acid, or by electrolysis; using heat of reaction to produce steam, gases or electricity
07/27/2005EP1047497B1 Method for producing sulfuric acid
07/27/2005CN2712893Y Sulfide synthesizing device
07/27/2005CN1645559A Method for synthesizing cadmium selenide and quantum point with cadmium selenide cadmium sulfide nucleocapsid structure
07/27/2005CN1644490A Continuous production of sulfur tetrafluoride
07/26/2005US6921523 Mixing magnesium oxide and water to form magnesium hydroxide, then reacting with sulfur dioxide to form magnesium sulfite slurries and with sulfur to form thiosulfuric acid magnesium salts used as fertilizers
07/26/2005CA2258799C Method for eliminating h2s, so2, cos and/or cs2 sulphur compounds, contained in a sulphur factory waste gas with recuperation of said compounds in the form of sulphur
07/26/2005CA2134270C Nox destruction in sulphuric acid
07/21/2005US20050158235 Process for the catalytic partial oxidation of H2S using staged addition of oxygen
07/21/2005US20050155459 forming a slurry of a sulfuric acid solution in an oxygen-containing atmosphere in an agitated multiple-compartment pressure leaching vessel; separating the solution from the product slurry to yield a residue; and recovering a (especially precious) metal value from the residue.
07/20/2005EP1555241A1 Recovery of sulfur from a hydrogen sulfide containing gas
07/20/2005EP1554429A2 Systems and methods for generating polysulfides
07/19/2005US6919296 Oxidation catalyst on support
07/19/2005US6919059 Process and apparatus for recovering sulphur from a gas stream containing sulphide
07/14/2005WO2005063383A1 Catalyst including titanium dioxide and tin dioxide sorbed onto ceramic or metal carrier and method of producing same
07/14/2005US20050151115 A battery comprising an electrocatalytic layer that has fine battery particles having an average particle size (<20 mu m) and have a substantially spherical morphology
07/13/2005EP1551531A1 Method for purifying carbon dioxide
07/13/2005EP1144304B1 Method for removing nitrogen oxides from nitrosyl sulphuric acid
07/13/2005CN1636866A Combined dry and wet process of preparing high concentration sulfuric acid with hydrogen sulfide
07/13/2005CN1636865A Nanometer sulphur preparing process
07/13/2005CN1210417C Recovery of nickel and cobalt and copper from sulfidic flotation concentrate by wet metallurgical process
07/13/2005CN1210201C Multifunction sulfur recovery catalyst and its preparing method
07/12/2005US6916457 Preparation and use of non-chrome catalysts for Cu/Cr catalyst applications
07/12/2005CA2139199C Removing hydrogen sulphide from a gas stream
07/07/2005WO2005061103A1 Multi-stage heat absorbing reactor and process for scr of nox and for oxidation of elemental mercury
07/07/2005WO2005060519A2 Mixed metal oxide sorbents
07/07/2005WO2004074811A3 Process for the recovery of sulfuric acid using polymeric membranes
07/07/2005US20050147752 Small particle size, narrow size distribution and a spherical morphology; spray pyrolysis
07/07/2005US20050147554 System and method of wet oxidation of a viscose process stream
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