| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
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| 05/26/1981 | US4269655 Device for concentration of mineral acids, particularly sulphuric acid |
| 05/26/1981 | CA1101639A1 Method for increasing the hydrogen sulphide concentration in an acid gas |
| 05/20/1981 | EP0028848A1 Process for producing concentrated sulfuric acid |
| 05/12/1981 | US4267162 Process and apparatus for the exploitation of the sulfur compounds contained in gases containing oxygen and a high water vapor content |
| 05/12/1981 | US4266512 Apparatus for the vaporization of elemental sulfur by means of carrier gas |
| 05/05/1981 | US4265871 Purification of boron-containing sulfuric acid |
| 05/05/1981 | US4265735 ZSM-5 Zeolite catalyzes dialkyl disulfide conversion to hydrogen sulfide |
| 05/05/1981 | CA1100290A1 Method for recovering concentrated sulphur dioxide from waste gases containing sulphur dioxide |
| 05/05/1981 | CA1100283A1 Removal of undesirable metal ions in the concentration of dilute sulfuric acid solutions containing iron (ii) sulfate |
| 05/05/1981 | CA1100282A1 Contact sulfuric acid process employing double conversion/double absorption |
| 04/29/1981 | EP0027607A1 Process for producing a purified oxidation-stable inorganic acid |
| 04/28/1981 | US4264568 By contacting with gaseous chlorine or hydrogen chloride |
| 04/28/1981 | US4264451 Water purification method |
| 04/28/1981 | CA1099898A1 No translation available |
| 04/28/1981 | CA1099897A1 Method of purifying a hydrogenated gas containing acid gases |
| 04/28/1981 | CA1099894A1 Method for the preparation of sulphur hexafluoride of high purity, and apparatus for carrying out same |
| 04/22/1981 | EP0027369A1 Stable precursor solution for the generation of hydrosulfite and use thereof in bleaching wood pulp, brightening kaolin clay and reducing vat dyestuffs to their leuco form |
| 04/21/1981 | US4263271 Adsorption on activated carbon |
| 04/21/1981 | US4263270 Process for working-up hydrogen sulphide-containing gases |
| 04/21/1981 | US4263234 Method of intimate contacting/separating of plural phases and phase contactor/separator apparatus therefor |
| 04/21/1981 | US4263012 Method of granulation of sulfur |
| 04/21/1981 | CA1099693A1 Desulfurization of hot reducing gas |
| 04/21/1981 | CA1099513A1 Method for the preparation of a gas mixture having a desired h.sub.2s/co.sub.2 ratio |
| 04/21/1981 | CA1099484A1 Process of producing sulfuric acid |
| 04/08/1981 | EP0026610A1 All dry solid potassium seed regeneration system for magnetohydrodynamic power generation plant |
| 04/02/1981 | WO1981000843A1 Sulfur oxide removal from gas |
| 04/01/1981 | EP0025824A2 Process and apparatus for the purification of waste sulfuric acid that contains fluorine |
| 03/31/1981 | US4259298 Dechlorination in presence of reducing agent, recovering chlorine as chloride of reducing agent |
| 03/31/1981 | US4259176 Reaction of product formed from alumina and sulfur oxides with hydrocarbons to form hydrogen sulfide |
| 03/31/1981 | CA1098287A1 Process for removing sulfur and no.sub.x components from a gas stream |
| 03/31/1981 | CA1098285A1 Process for working-up hydrogen sulphide-containing gases |
| 03/24/1981 | CA1098007A1 Apparatus and method for storing molten materials |
| 03/24/1981 | CA1097890A1 Control system for a sulfur process |
| 03/17/1981 | US4256721 Thermocracking waste sulfuric acid |
| 03/17/1981 | US4256712 Regenerable process for SO2 removal employing gelatinous aluminum hydroxide as absorbent |
| 03/17/1981 | US4256691 Zinc or magnesium compounds in ammonia |
| 03/17/1981 | CA1097485A1 Process to enrich acid gases with h2s |
| 03/17/1981 | CA1097477A1 Process for separating so.sub.2 from a current of gas, with production of sulphuric acid by the nitric oxide process |
| 03/11/1981 | EP0024746A1 Process for the absorption and removal of hydrogen sulphide as elemental sulphur from gases or gas mixtures, and an alkaline solution containing a derivative of anthraquinone sulfonic acid amide |
| 03/10/1981 | US4255408 Process for removing sulfur and sulfur compounds from the effluent of industrial processes |
| 03/10/1981 | US4255402 Sulphur dioxide gas scrubbing process |
| 03/10/1981 | US4255401 Treatment of exhaust gas containing sulfur oxides and nitrogen oxides |
| 03/10/1981 | US4255400 Process for oxidizing oxides of sulfur |
| 03/10/1981 | US4255388 Multistage reactor for desulfurization with aqueous sodium sulfite-sodium carbonate |
| 03/10/1981 | US4255162 Integrated process for converting sulfur-containing fuels to low sulfur combustible gas |
| 03/10/1981 | CA1097013A1 Process and apparatus for preparation of sulfur for storage and transportation |
| 03/03/1981 | US4254094 Desulfurization and decarbonization |
| 03/03/1981 | US4254067 Sulphur pelletizing |
| 03/03/1981 | CA1096590A1 Sodium oxide fume for sulfur oxide removal |
| 02/25/1981 | EP0024138A1 Method of treating insoluble sulfur with oil and the insoluble sulfur product obtained thereby |
| 02/24/1981 | CA1096138A1 Purification of dilute sulfuric solutions |
| 02/17/1981 | US4251715 Method for directly heating concentrated sulfuric acid by electric current flow between surface-passivated electrodes |
| 02/17/1981 | US4251493 Desulfurization using anthraquinone sulfonamide and compound of polyvalent metal |
| 02/17/1981 | US4251492 Purification process |
| 02/11/1981 | EP0023523A1 Method for the transformation into sulphur dioxide of sulphuric anhydride contained in a gas mixture |
| 02/10/1981 | US4250153 Flue gas treatment |
| 02/10/1981 | US4250151 Recovery of sulfur from gas streams containing sulfur and sulfur compounds in dilute concentration |
| 02/10/1981 | US4249921 Sulphur condensing apparatus |
| 02/03/1981 | US4248825 Sulfur processing release agents |
| 02/03/1981 | CA1094777A1 Preparation of stoichiometric titanium disulfide |
| 01/28/1981 | EP0022785A1 A method of recovering calcium and sulphur compounds from a metallurgical waste material. |
| 01/27/1981 | CA1094299A1 Process and apparatus for burning hydrogen sulfide and other combustible fluid to recover sulfur |
| 01/27/1981 | CA1094294A1 Production of sulfur |
| 01/21/1981 | EP0022473A1 Process and apparatus for regenerating sulphuric acid |
| 01/20/1981 | US4246236 Apparatus for carrying out gaseous phase reactions |
| 01/20/1981 | US4246141 Vanadium oxide on hydrogen mordenite |
| 01/20/1981 | CA1094041A1 Method of controlling the reduction of aqueous thiosulfate solutions |
| 01/20/1981 | CA1093786A1 Production of sodium sulfite |
| 01/14/1981 | EP0022197A1 Process for recycling sulphur |
| 01/14/1981 | EP0022181A2 Process and apparatus for regenerating sulfuric acid |
| 01/13/1981 | US4244937 Sulfur dioxide oxidation catalyst and process |
| 01/13/1981 | US4244921 Contact node of a system for production of sulphuric acid |
| 01/13/1981 | CA1093541A1 Catalyst for the conversion of sulphurous to sulphuric anhydride and sulphuric to sulphurous anhydride |
| 01/13/1981 | CA1093281A1 Method of removing hydrogen sulfide from gases, and for obtaining elemental sulfur |
| 01/07/1981 | EP0021331A1 Process for producing sulfur tetrafluoride |
| 01/07/1981 | EP0021210A1 Evaporator for concentrating mineral acids, especially sulfuric acid |
| 01/07/1981 | EP0020963A2 Process and catalysts for oxidizing sulphur dioxide |
| 01/06/1981 | US4243648 Method for removing hydrogen sulfide from gas streams |
| 01/06/1981 | US4243647 Process for removal of hydrogen sulfide from gas streams |
| 01/06/1981 | US4243645 All dry solid potassium seed regeneration system for magnetohydrodynamic power generation plant |
| 01/06/1981 | US4243477 Device for an installation of a quartz tube in a device for concentration of mineral acids |
| 12/30/1980 | US4242448 Carbonates |
| 12/30/1980 | US4242374 Process for thin film deposition of metal and mixed metal chalcogenides displaying semi-conductor properties |
| 12/30/1980 | US4242321 Process for separating SO2 from a current of gas containing the same, and plant for carrying out such process |
| 12/30/1980 | US4242320 Reduction of ferric chloride |
| 12/30/1980 | CA1092735A1 Elemental sulfur having improved impact resistance |
| 12/23/1980 | US4241040 Incineration of sulfur plant tail gas |
| 12/23/1980 | US4241038 Using sulfur monochloride |
| 12/23/1980 | US4241032 Process for the removal of hydrogen sulfide from gas streams |
| 12/23/1980 | CA1091897A1 Removal of co.sub.2 and/or h.sub.2s from gases |
| 12/16/1980 | US4239742 Process for improving a gas containing a minor amount of sulfur dioxide impurity and producing a hydrogen sulfide-rich gas |
| 12/16/1980 | US4239515 Gas-liquid contact reaction apparatus |
| 12/16/1980 | CA1091430A1 Apparatus for the efficient deployment and operation of in situ sulphur block remelting equipment |
| 12/16/1980 | CA1091428A1 Method for substantially complete removal of hydrogen sulfide from sulfur bearing industrial gases |
| 12/16/1980 | CA1091427A1 Increased preheating of sulfur plant gases |
| 12/09/1980 | US4238470 Method for oil-treating insoluble sulfur |
| 12/09/1980 | US4238462 Autocirculation process and apparatus |
| 12/02/1980 | US4237318 Manufacture of aqueous methanolic solution of sodium formate |
| 12/02/1980 | US4237201 Ionic conductivity materials, suitable for constituting solid electrolytes for dry cells and batteries |
| 12/02/1980 | US4236918 Recovery of elemental sulfur and metal values from tailings from copper recovery processes |