| Patents for B01D 53 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols (135,933) |
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| 04/12/1995 | CN2194211Y Smoke dry method desulfurate tower |
| 04/12/1995 | CN2194210Y Ceramic multi-tube desulfurate dust remover |
| 04/12/1995 | CN1101484A Adsorption process and unit for the production of a gas by separation of a gaseous mixture |
| 04/12/1995 | CN1101300A Process for the purification of inert gases |
| 04/12/1995 | CN1101299A Air purifier for toxic gases in underground construction engineering |
| 04/12/1995 | CN1101290A Freshing agent |
| 04/11/1995 | US5405812 Thermal regeneration |
| 04/11/1995 | US5405593 A pollution control to remove sulfur dioxide, nitrogen oxides, heavy metals from flue gas |
| 04/11/1995 | US5405591 Method for removing sulphide(s) from sour gas |
| 04/11/1995 | US5405590 Neutralization; continuous recycling |
| 04/11/1995 | US5405534 Process for separating and purifying a multicomponent mixture |
| 04/11/1995 | US5405445 Vacuum extraction system for chemical vapor deposition reactor vessel and trapping device incorporated therein |
| 04/11/1995 | US5405433 Direct centrate/filtrate return |
| 04/11/1995 | US5405420 Flue gas treatment apparatus and flue gas treatment system |
| 04/11/1995 | US5405260 Partial combustion catalyst of palladium on a zirconia support and a process for using it |
| 04/11/1995 | US5404719 Engine exhaust gas purification device |
| 04/11/1995 | CA1335197C Catalyst-on-carrier for the non-selective oxidation of organic compounds, a process for the non-selective oxidation of, in particular, organic compounds |
| 04/11/1995 | CA1335151C Process for the removal of hydrogen sulfide from gases |
| 04/11/1995 | CA1335150C Process for the production or recovery of acids from metalliferous solutions of such acid |
| 04/07/1995 | CA2133302A1 Integrated process for purifying and liquefying a feed gas mixture with respect to its less strongly adsorbed component of lower volatility |
| 04/07/1995 | CA2133301A1 Pressure swing adsorption process for purifying a high pressure feed gas mixture with respect to its less strongly adsorbed component |
| 04/06/1995 | WO1995009048A1 Catalyst for exhaust emission control and method for producing the same |
| 04/06/1995 | WO1995009047A1 Adsorption material for nitrogen oxides and exhaust emission control catalyst |
| 04/06/1995 | WO1995009041A1 Acid emission reduction |
| 04/06/1995 | WO1995004900A3 System for treating fumes or polluted air |
| 04/06/1995 | DE4435074A1 Catalyst component for exhaust gas purification, a process for the production thereof and a process for the production of an exhaust gas purification catalyst component |
| 04/06/1995 | DE4435073A1 Hydrocarbon adsorbent for exhaust gas purification, exhaust gas purification catalyst and exhaust gas purification apparatus |
| 04/06/1995 | DE4426081A1 Gas purification apparatus and use thereof |
| 04/06/1995 | DE4333792A1 Process for purifying the exhaust air from rubber industry manufacturing plants, in particular textile coating |
| 04/06/1995 | DE4333619A1 Exhaust air purification using gas-separation membranes and biodegradation |
| 04/06/1995 | DE4333504A1 Process for O2 recovery from life support systems |
| 04/06/1995 | CA2172846A1 Acid emission reduction |
| 04/05/1995 | EP0646603A1 Production of alkene polymers |
| 04/05/1995 | EP0646558A1 Process for the production of hydrocarbon partial oxidation products |
| 04/05/1995 | EP0646543A1 Purification of fluids by adsorption |
| 04/05/1995 | EP0646406A1 Novel polyimide gas separation membranes |
| 04/05/1995 | EP0646405A1 System for the prevention of dioxin formation in combustion flue gases |
| 04/05/1995 | EP0646404A1 Process for dry or semi-dry purification of refuse incineration flue gases |
| 04/05/1995 | EP0646403A2 Apparatus for removing caprolactam emissions |
| 04/05/1995 | EP0646402A1 Process and apparatus for removing emissions by a washing method |
| 04/05/1995 | CN1101118A Production of ultrahigh purity nitrogen |
| 04/04/1995 | USH1430 Closed bioreactor containing carrier coated with bacteria culture and kaolin and humidifying salt solution; increased biooxidation; detoxification |
| 04/04/1995 | US5403808 Mixing silicate reactant and a compound which facilitates conversion of the silicate to a desulfurizing agent comprising calcium oxide, silicon dioxide, and water |
| 04/04/1995 | US5403569 Process for boiler flue gas cleaning by absorption, separation and liquefaction |
| 04/04/1995 | US5403568 Deflecting the hot gas stream flow with packing and baffles near the injection of aqueous magnesium sulfite and magnesium hydroxide |
| 04/04/1995 | US5403567 Desulfurizing a natural gas stream containing the sulfur compounds by absorpting with a liquid medium, oxidizing with oxygen gas to form insoluble sulfur or sulfur compound |
| 04/04/1995 | US5403523 Wet scrubber inlet awning with low pressure drop |
| 04/04/1995 | US5403461 Solid electrolyte-electrode system for an electrochemical cell |
| 04/04/1995 | US5403387 Apparatus for removing moisture from a gas |
| 04/04/1995 | US5403385 Serial flow pressure swing adsorption process for gas separation |
| 04/04/1995 | US5403384 Apparatus and method for avoidance of turbomachinery pressure surge |
| 04/04/1995 | US5402641 Exhaust gas purification apparatus for an internal combustion engine |
| 04/04/1995 | US5402639 Device for cleaning exhaust gases |
| 03/31/1995 | CA2132384A1 Purification of fluids by adsorption |
| 03/31/1995 | CA2131583A1 Process for the production of ethanol and isopropanol |
| 03/31/1995 | CA2130387A1 Process for the production of oxo products |
| 03/31/1995 | CA2128131A1 Process for removing emissions by a washing method |
| 03/31/1995 | CA2128130A1 Apparatus for removing caprolactam emissions |
| 03/31/1995 | CA2128129A1 Process for removing caprolactam emissions by a washing method |
| 03/31/1995 | CA2128128A1 Apparatus for removing emissions |
| 03/30/1995 | WO1995008851A1 Method and apparatus for oxidizing carbon monoxide in the reactant stream of an electrochemical fuel cell |
| 03/30/1995 | WO1995008850A1 Electrochemical fuel cell assembly with integral selective oxidizer |
| 03/30/1995 | WO1995008745A1 Automated air filtration and drying system for waterborne paint and industrial coatings |
| 03/30/1995 | WO1995008383A1 Prevention of air pollution by noxious gases and vapours |
| 03/30/1995 | WO1995008360A1 Method and device for producing a hypoxic gas mixture |
| 03/30/1995 | DE4342485C1 Apparatus for removing gaseous substances from a gas stream |
| 03/30/1995 | DE4342162C1 Scrubbing tower for flue gas desulphurisation plants and process for flue gas scrubbing |
| 03/29/1995 | EP0645346A1 Activated carbon bodies having phenolic resin binder |
| 03/29/1995 | EP0645345A1 Process for the separation of a gaseous hydride or a mixture of gaseous hydrides with the aid of a membrane |
| 03/29/1995 | EP0645173A2 Catalyst for purifying exhaust gases and process for purifying exhaust gases |
| 03/29/1995 | EP0645172A1 Method and catalyst for treating exhaust gases containing dioxines |
| 03/29/1995 | EP0645171A1 Palladium-alloy catalyst for thermal decomposition of NO |
| 03/29/1995 | EP0644857A1 Treatment installation and method for treating water and/or gases. |
| 03/29/1995 | EP0644800A1 Support of a three-way catalyst and method of producing the same |
| 03/29/1995 | EP0644795A1 A purifying apparatus. |
| 03/29/1995 | EP0614400A4 Chromium-free impregnated activated universal respirator carbon for adsorption of toxic gases and/or vapors. |
| 03/29/1995 | CN2193200Y Small-sized solidity absorbing air noisture remover |
| 03/29/1995 | CN1100666A Dynamic dust gas purifier |
| 03/29/1995 | CN1100663A Toxic material disposal |
| 03/29/1995 | CN1028011C Process and equipment for removing carbon dioxide from transformation gas by using propenyl carbonate |
| 03/28/1995 | US5401872 Dechlorination or degassing hydrogen chloride and recovering chlorinated silane |
| 03/28/1995 | US5401706 Desiccant-coated substrate and method of manufacture |
| 03/28/1995 | US5401481 Processes for removing acid components from gas streams |
| 03/28/1995 | US5401480 Reaction of sulfur oxides with ammonia to produce ammonium sulfate |
| 03/28/1995 | US5401479 Process for the removal of nitrogen oxides from off-gases |
| 03/28/1995 | US5401478 Selective catalytic reduction of nitrogen oxides |
| 03/28/1995 | US5401475 Process and apparatus for generating elemental sulfur and re-usable metal oxide from spent metal sulfide sorbents |
| 03/28/1995 | US5401372 Electrochemical catalytic reduction cell for the reduction of NOx in an O2 -containing exhaust emission |
| 03/28/1995 | US5401300 Sour gas treatment process including dehydration of the gas stream |
| 03/28/1995 | US5401297 Process for removing caprolactam emissions by a washing method |
| 03/28/1995 | CA1334962C Catalyst for purifying exhaust gas and method for production thereof |
| 03/28/1995 | CA1334929C Process for the dehydratation, the desacidification and the separation of a natural gas condensate |
| 03/28/1995 | CA1334888C Process and apparatus for the production of high purity oxygen and carbon dioxide |
| 03/27/1995 | EP0653962A4 METHOD FOR REDUCING AUTOMATIVE NO x? EMISSIONS IN LEAN BURN INTERNAL COMBUSTION ENGINE EXHAUST USING ZEOLITES. |
| 03/25/1995 | CA2128146A1 Activated carbon bodies having phenolic resin binder |
| 03/23/1995 | WO1995008081A1 Method for controlling a combustion process |
| 03/23/1995 | WO1995007856A2 Catalyst for the selective oxidation of sulfur compounds to elemental sulfur, process for preparing such catalyst and process for the selective oxidation of sulfur compounds to elemental sulfur |
| 03/23/1995 | WO1995007855A1 Improvements in or relating to sulphur production from sulphur-bearing gas streams |
| 03/23/1995 | WO1995007831A1 Device for cleaning and drying compressed gas |
| 03/23/1995 | WO1995007751A1 Exhaust gas boiler |