| 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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| 07/08/1992 | EP0493803A1 Catalyst for oxidizing carbon-containing compounds and method for the production of the same |
| 07/08/1992 | CN2109243U Gyratory sifter plate filling bed type tail-gas desulfurization device |
| 07/08/1992 | CN1062480A Multiple bundle fluid separation apparatus |
| 07/08/1992 | CN1062479A Method for treatment of f-containing waste gas from brick kiln |
| 07/08/1992 | CN1017331B Process for producing high purity oxygen gas from air |
| 07/08/1992 | CN1017310B Supercooling type purifying apparatus of smoke and fume |
| 07/07/1992 | US5128306 Catalytic exhaust system |
| 07/07/1992 | US5128305 Catalyst for denitrization |
| 07/07/1992 | US5128302 Methyl phthalocyanine |
| 07/07/1992 | US5128301 Catalyst for removal of nitrogen oxides and method for removal of nitrogen oxides by use of the catalyst |
| 07/07/1992 | US5128110 Filters |
| 07/07/1992 | US5128049 Scavenging |
| 07/07/1992 | US5128002 Method for processing residual baths from the photographic and photochemical industries |
| 07/07/1992 | US5127960 Exhaust system catalyst supports |
| 07/07/1992 | US5127926 Membrane process for treating pump exhausts |
| 07/07/1992 | US5127925 Contacting with polysilicone having solid adsorbent incorporated |
| 07/07/1992 | CA1304699C Preparation of high purity oxygen |
| 07/07/1992 | CA1304698C Continuous gas treatment method and apparatus for adsorption processes |
| 07/07/1992 | CA1304697C Ammonia separation using semipermeable membranes |
| 07/07/1992 | CA1304696C Ammonia separation using ion exchange polymeric membranes and sorbents |
| 07/04/1992 | CA2058521A1 Use of helium and argon diluent gases in modification of carbon molecular sieves |
| 07/02/1992 | DE4142365A1 Contamination measurement arrangement for air cleaning system - contains contamination sensor, microcomputer, memory unit, display and air throughput controller |
| 07/02/1992 | DE4042136A1 Gas purificn. removing acid, dioxin, furan and mercury@ - by adding calcium hydroxide suspension, drying, adding dry calcium hydroxide and surfactant and filtering, for energy supply and refuse incineration |
| 07/02/1992 | DE4042028A1 Plasma chemical disposal of problem substances using alkali metal - or alkaline earth metal or alloy to form solid reaction prod. converted to useful prod. |
| 07/02/1992 | DE4041088A1 Ozone removal from gas mixt. by filtering through two catalysts - first platinum@ to convert reactive gas to inert gas, then catalyst converting ozone to oxygen@ |
| 07/02/1992 | DE4040912A1 Verfahren zur selektiven hf-abtrennung aus einem hf und hcl und gegebenenfalls andere komponenten enthaltenden gas Process for the selective separation of HF from an HF and HCl and possibly other components-containing gas |
| 07/01/1992 | EP0493373A2 A production process of ferrite stainless steel covered with oxide whisker |
| 07/01/1992 | EP0493347A2 Process for the purification of methane |
| 07/01/1992 | EP0492945A1 Honeycomb heater with catalyst |
| 07/01/1992 | EP0492814A1 Method of and apparatus for controlling the solvent vapor concentration in a gas lock of an apparatus |
| 07/01/1992 | EP0492758A2 Device for the treatment of absorbing solution in exhaust gas desulfurization apparatus |
| 07/01/1992 | EP0492711A1 A retarding valve at a single-tower air drier |
| 07/01/1992 | EP0492540A1 Process for the recovery or disposal of ammonium or ammonium compounds from dust mixtures and wash waters |
| 07/01/1992 | EP0492539A1 Process for the recovery or disposal of ammonium or ammonium compounds from dust mixtures |
| 07/01/1992 | EP0492169A1 Method for treating gas and apparatus used therefor |
| 07/01/1992 | EP0492167A2 Apparatus for desulfurizing exhaust gas |
| 07/01/1992 | EP0492135A1 Device for purification of air with bio filters and process for such a purification of air |
| 07/01/1992 | EP0492083A1 Refractory body assembly |
| 07/01/1992 | EP0492045A1 Multiple bundle fluid separation apparatus |
| 07/01/1992 | EP0491931A1 COMPOSITE CLAY MATERIALS FOR REMOVAL OF SO x? FROM GAS STREAMS. |
| 07/01/1992 | EP0491767A1 Absorbent material and uses thereof. |
| 07/01/1992 | EP0491742A1 Method for reducing wear on nozzles or other supply means |
| 07/01/1992 | EP0491726A1 Combined catalytic/non-catalytic process for nitrogen oxides reduction |
| 07/01/1992 | EP0385983B1 Device for the washing of smoke gas |
| 07/01/1992 | EP0354952B1 Shaft with a moving bed of pourable material |
| 07/01/1992 | CN1062301A Process for removing mercury and arsenic from fluid in presence of capture agent of mercury and/or arsenic |
| 07/01/1992 | CN1062300A Process for removing arsenic by passing gas through material based on support and copper sulphide |
| 07/01/1992 | CN1017236B Improved mambrane separation system and process |
| 06/30/1992 | US5126466 Cyanocobaltate oxygen adducts |
| 06/30/1992 | US5126300 Alkaline earth oxide or hydroxide precipitated in smectite to react with sulfur oxides |
| 06/30/1992 | US5126299 Oxides of potassium and thorium on alumina to lower emission of sulfur oxides in regeneration of cracking catalyst |
| 06/30/1992 | US5126118 Efficient oxidation of hydrogen sulfide to sulfur with redox catalyst solution |
| 06/30/1992 | US5126117 Depressurization of storage housing, passing mixture of air and leaked gases through absorbent materials |
| 06/30/1992 | US5126111 Fluid purification |
| 06/30/1992 | US5126054 Venting means |
| 06/30/1992 | US5126053 Forming superimposed planar layers by winding onto rotating drum, using reciprocating thread guide |
| 06/30/1992 | US5126046 Chamber having elongate bar of copper, zinc, nickel alloy |
| 06/30/1992 | US5125937 Reversible membrane plant |
| 06/30/1992 | US5125935 Countercurrent gas flow; simplification |
| 06/30/1992 | US5125934 Pressure swing adsorption |
| 06/30/1992 | US5125231 Dual converter engine exhaust system for reducing hydrocarbon emissions |
| 06/30/1992 | CA1304343C Adsorbents for use in the separation of carbon monoxide and/or unsaturated hydrocarbons from mixed gases |
| 06/30/1992 | CA1304331C Air dryer purge control for turbocharged compressors |
| 06/29/1992 | WO1992011918A1 Membrane process and apparatus for removing a component from a fluid stream |
| 06/29/1992 | CA2098715A1 Membrane process and apparatus for removing a component from a fluid stream |
| 06/29/1992 | CA2056123A1 Process and an apparatus for desulfurization of flue gases |
| 06/25/1992 | WO1992010279A1 Installation for separating liquid or gas mixtures |
| 06/25/1992 | WO1992010271A1 High durability auto exhaust catalyst with low hydrogen sulfide emissions |
| 06/25/1992 | WO1992010215A1 Apparatus and methods for remediating contaminated soils |
| 06/25/1992 | DE4106873C1 Prodn. of catalyst for denitrification of waste gases - with reduced amt. of waste water and waste gases during prodn. |
| 06/25/1992 | DE4041730A1 Catalytic device for diesel engines - is fitted directly behind exhaust valves and separates gaseous hydrocarbon from soot particles, oxidising it |
| 06/25/1992 | DE4041233A1 Odour removal using biological filter - using waste water for moistening and nutrient supply to the microorganism colony |
| 06/25/1992 | DE4040334A1 Process and assembly to recover solvent - and similar materials from effluent air |
| 06/25/1992 | DE4033621C1 Filter for cleansing exhaust gas, esp. from diesel engine - has filter body with longitudinal channels which are sepd. by porous sepg. walls which are not penetrated by soot particles |
| 06/25/1992 | CA2097588A1 Apparatus and methods for remediating contaminated soils |
| 06/24/1992 | EP0491360A1 Catalyst for purifying exhaust gas |
| 06/24/1992 | EP0491359A1 Catalyst for purifying exhaust gas |
| 06/24/1992 | EP0491358A1 Catalyst for purifying exhaust gas |
| 06/24/1992 | EP0491175A2 Filter for an air conditioning or heating system of a motor vehicle |
| 06/24/1992 | EP0331702B1 Apparatus for drying a wet gas |
| 06/24/1992 | CN1062205A Method and apparatus for monochannel simultaneous heat and mass transfer |
| 06/24/1992 | CN1062098A Rotary bed super gravity field installation of turning lathe with extracting device |
| 06/24/1992 | CN1017165B Process for production or recovery of acids from metalliferous solutims of such acid |
| 06/24/1992 | CN1017133B Process for recovering oxygen enriched gas |
| 06/23/1992 | US5124856 Magnetic recording device with unitary filter medium to trap organic and inorganic chemical pollutants |
| 06/23/1992 | US5124304 Zirconium, cerium, and platinum on refractory oxide support, stability, high strength |
| 06/23/1992 | US5124303 Reinforced catalyst for treatment of waste gas |
| 06/23/1992 | US5124177 Filter and method of making same |
| 06/23/1992 | US5124135 Process for the selective absorption of chlorine and/or bromine from CO.sub. -containing off-gases with the aid of steam |
| 06/23/1992 | US5123481 Method and apparatus for simultaneous heat and mass transfer |
| 06/23/1992 | US5123363 Method and apparatus for reducing the nitric oxide concentration in the waste gas flow of combustion processes |
| 06/23/1992 | US5123277 Apparatus and method for analyzing gas dryer performance |
| 06/23/1992 | CA1304066C High temperature resistant catalyst shaped bodies and process for their production |
| 06/23/1992 | CA1304065C Method for the dry regeneration of a catalyst |
| 06/23/1992 | CA1304008C Device and method for separating individual fluids from a mixture of fluids |
| 06/23/1992 | CA1303967C Combined fume scrubber/hood |
| 06/23/1992 | CA1303822C Use of seawater in flue gas desulfurization |
| 06/23/1992 | CA1303821C Desulphurisation process wherein cooling of regenerated sorbent is effectedby feedstock stream |
| 06/22/1992 | CA2058243A1 Process for extracting or disposing of ammonia or ammonia compounds from dust mixtures and washing water |
| 06/21/1992 | CA2058091A1 Method of controlling the solvent vapor concentration in a gas lock of an apparatus |