| 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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| 02/28/1989 | US4807973 Matrix address display apparatus having conductive lines and pads for repairing defects |
| 02/28/1989 | CA1250567A1 Regeneration of phosphorus poisoned automotive catalysts |
| 02/28/1989 | CA1250532A2 Single bed pressure swing adsorption gas separation system |
| 02/28/1989 | CA1250531A1 Pressure swing adsorption with intermediate product recovery |
| 02/23/1989 | WO1989001505A1 Process and installation for recovering reusable gas from waste through pyrolysis |
| 02/23/1989 | WO1988009203A3 Process for manufacturing reactive calcium hydroxide for purifying gases and exhaust gases and process for purifying gases and exhaust gases |
| 02/23/1989 | DE3741842C1 Method for reducing amounts of the gaseous pollutants SOx, HF and HCl formed during combustion |
| 02/23/1989 | DE3727269A1 Gas feed and distribution device for a gas purification plant or digestion plant |
| 02/23/1989 | DE3727233A1 Bulk-material feed and gas removal device, in particular for counterflow moving-bed filters |
| 02/23/1989 | DE3727217A1 Katalytischer wandler und substrattraeger Catalytic converters and substrattraeger |
| 02/23/1989 | DE3727004A1 Verfahren und anlage zur rueckgewinnung von verwertbarem gas aus muell durch pyrolyse Method and system for the recovery of recyclable trash by pyrolysis gas from |
| 02/23/1989 | DE3726762A1 Filter for ventilating automobile cabins |
| 02/23/1989 | DE3726732A1 Processing for scrubbing NO and/or SO2 out of gas mixtures containing NO and/or SO2 |
| 02/23/1989 | DE3726665A1 Activated hydrated lime, process for the preparation thereof and use thereof |
| 02/23/1989 | DE3724666C1 Process for the denitration of flue gas |
| 02/22/1989 | EP0304412A2 Process for treating combustion residues from an incinerator, in particular a waste incinerator |
| 02/22/1989 | EP0304095A2 Catalyst for treatment of exhaust gases |
| 02/22/1989 | EP0304010A2 Process for producing carbon materials |
| 02/22/1989 | EP0303838A2 Apparatus for processing compressed air for compressed-air systems |
| 02/22/1989 | EP0303832A1 Method and apparatus for reducing the concentration of oxides of nitrogen |
| 02/22/1989 | CN1031195A Thermally stabilized catalysts containing alumina and methods of making same |
| 02/22/1989 | CN1031191A Permeable membranes for enhanced gas separation |
| 02/21/1989 | US4806519 Inside layer of cerium oxide and platinum, outer layer of zirconium compound and rhodium |
| 02/21/1989 | US4806427 Process for the production of catalysts for the reduction of nitrogen oxides from exhaust gases and similar chemical air cleaning processes |
| 02/21/1989 | US4806320 Process for Nox control |
| 02/21/1989 | US4806319 Reduction of sulfur and nitrogen oxides using petroleum pitches |
| 02/21/1989 | US4806189 Composite fluid separation membranes |
| 02/21/1989 | US4806148 Apparatus for biological treatment of waste gases |
| 02/21/1989 | US4806134 Method and system for controlling a compressed air flow in an air drier |
| 02/21/1989 | US4806132 Turndown control method for membrane separation systems |
| 02/21/1989 | US4805317 Microwave regeneration of adsorbent materials for reuse as drying agents |
| 02/21/1989 | CA1250359A1 Flueric partial pressure sensor |
| 02/21/1989 | CA1250133A1 Hydrogen fluoride recovery process |
| 02/16/1989 | DE3823223A1 Process for purifying flue gases containing sulphur oxides and nitrogen oxides |
| 02/16/1989 | DE3726431A1 Process for separating off organic vapours from an air stream |
| 02/16/1989 | DE3725715A1 Waste gas de-nitrification by scrubbing with dithionite soln. - and electrochemical regeneration, useful for small or medium scale operations |
| 02/15/1989 | EP0303560A1 Method for denitration of exhaust gas containing arsenic compounds by catalysts and method and apparatus for regeneration of catalysts for denitration degraded by arsenic compounds |
| 02/15/1989 | EP0303501A2 Sulfur dioxide removal from gas streams using substituted piperazinones |
| 02/15/1989 | EP0303495A1 Thermally stabilized catalysts containing alumina and methods of making the same |
| 02/15/1989 | EP0303368A1 Treating waste gas |
| 02/15/1989 | EP0303005A1 Process for producing catalysts for the denitration of nitrogen oxides from exhaust gases or for chemical air cleaning processes, and catalysts obtained by this process |
| 02/15/1989 | EP0303004A1 Process for producing catalysts for the limitation of nitrogen oxides from exhaust gases or for chemical air purification processes, and catalysts prepared for these processes |
| 02/15/1989 | EP0302895A1 Heater for carbon particles. |
| 02/15/1989 | CN1031130A Dedusting and desulphurization method and apparatus for coal-fired boilers |
| 02/14/1989 | US4804523 Use of seawater in flue gas desulfurization |
| 02/14/1989 | US4804522 Absorption into formate solution, regeneration; chelation of nitrogen oxide |
| 02/14/1989 | US4804521 Using calcium aluminate or silicate absorbent formed by heating slurry of calcium alkali and alumina or silica |
| 02/14/1989 | US4804485 Antifouling agents to prevent sulfur plugging in sour oil and gas wells |
| 02/14/1989 | US4804473 Removal of water-immiscible solvents from offgases containing same |
| 02/14/1989 | US4803846 Method of and means for controlling the condition of air in an enclosure |
| 02/14/1989 | CA1249914A1 Device for continuous contacting of fluids and solids |
| 02/09/1989 | EP0266417A4 REDUCTION OF NO x? IN FLUE GAS. |
| 02/08/1989 | EP0302658A2 Process for producing high purity oxygen gas from air |
| 02/08/1989 | EP0302573A1 A method and a device for treating or mixing components in gas or liquid streams |
| 02/08/1989 | EP0302522A2 Method and additive for monitoring circuit water hardness in conversion plants |
| 02/08/1989 | EP0302436A2 Metal-diketone absorbents for carbon monoxide or olefins |
| 02/08/1989 | EP0302352A1 Apparatus for the removal of ammonia ions from waste |
| 02/08/1989 | EP0302316A1 Process for the production of argon |
| 02/08/1989 | EP0302280A2 Process and device for recovery of solvent gases from an air stream |
| 02/08/1989 | EP0235243B1 Process for the recovery of sulphur dioxide from gas flows |
| 02/07/1989 | US4803189 Layers of curved metal sheets; minimizes thermal stresses |
| 02/07/1989 | US4803059 Process for the reduction of nitrogen oxides in an effluent using a hydroxy amino hydrocarbon |
| 02/07/1989 | US4802995 Method for decomposing the cyanide radical in cyanide-bearing wastes or materials |
| 02/07/1989 | US4802982 Spiral-wound membrane with improved permeate carrier |
| 02/07/1989 | US4802966 Electrodialysis of saturated solution of gypsum which also contains dissolved magnesium chloride and sulfate; desalting |
| 02/07/1989 | US4802942 Method of making multilayer composite hollow fibers |
| 02/07/1989 | US4802899 Pressure swing adsorption apparatus |
| 02/07/1989 | US4802898 Method and apparatus for removing cyanogen chloride from air |
| 02/07/1989 | CA1249714A1 Absorbent material |
| 02/07/1989 | CA1249710A1 Process for separating co.sub.2 and h.sub.2s from hydrocarbons |
| 02/02/1989 | EP0305503A4 Process for the reduction of nitrogen oxides in an effluent using a heterocyclic hydrocarbon. |
| 02/02/1989 | DE3724671A1 Generation of germ-free air in hospitals for ventilation of patients |
| 02/02/1989 | DE3724512A1 Process for decreasing the calcium content of waste waters from gas scrubbers operated with lime or limestone for separating off sulphur oxides and other acidic pollutant gases |
| 02/02/1989 | DE3724050A1 Allergen-free air humidifier |
| 02/02/1989 | DE3716610A1 Process for removing pollutants from flue gases and apparatus for carrying out the process |
| 02/01/1989 | EP0301824A2 Separation of gas mixtures |
| 02/01/1989 | EP0301623A1 Process for the removal of gaseous components from a gas flow |
| 02/01/1989 | EP0301597A2 Permeable membranes for enhanced gas separation |
| 02/01/1989 | EP0301536A2 Palladium alloy as a catalyst for hydrogen oxidation in an atmosphere containing hydrogen and oxygen |
| 02/01/1989 | EP0301272A2 Process and device for purifying off-gas or waste gas |
| 02/01/1989 | EP0301090A1 Regenerating dynamic adsorber system and method for contaminant removal |
| 01/31/1989 | US4801426 Amine deodorization |
| 01/31/1989 | US4801359 Solid compositions based on superoxides having high ionic conductivity, their method of manufacture, and their electrochemical applications |
| 01/31/1989 | US4801313 Gas purification apparatus |
| 01/31/1989 | US4801311 Carbon impregnated with metal salts and triethylenediamine |
| 01/31/1989 | US4801308 Apparatus and process for pressure swing adsorption separation |
| 01/31/1989 | CA1249567A1 Stabilized and doubly promoted platinum group metal catalysts for emission control |
| 01/31/1989 | CA1249508A1 Impeller for gas treatment |
| 01/31/1989 | CA1249504A1 Product recovery process |
| 01/31/1989 | CA1249422A1 Process for inhibiting hydrates while producing moist co.sub.2 from subterranean reservoirs |
| 01/31/1989 | CA1249421A1 Process for selectively removing hydrogen sulfide |
| 01/26/1989 | WO1989000662A1 Incineration system for the destruction of hazardous wastes |
| 01/26/1989 | WO1989000449A1 Process for removing oxides of nitrogen from flue gases |
| 01/26/1989 | DE3823950A1 Process for reducing or removing ammonia and/or other odour-active substances from organically polluted waste waters |
| 01/26/1989 | DE3723852A1 Process for the start-up of plants for the denitration of solids-laden flue gases, and associated apparatus |
| 01/26/1989 | DE3723381A1 Process for removing dust and fly ash as well as sulphur oxides and nitrogen oxides from flue gases |
| 01/26/1989 | DE3723375A1 Process for treating aqueous solutions from fur and hide preservation and from slaughterhouses and carcass utilisation plants |
| 01/25/1989 | EP0300868A1 Absorbent for the purification of gas, and purification process |
| 01/25/1989 | EP0300101A1 Deodorizing plant |
| 01/25/1989 | EP0300028A1 Process and apparatus for reducing the concentration of pollutants in an effluent |