Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › 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
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)
10/1993
10/27/1993EP0567388A1 A process for separating a volatile organic compound from a gas
10/27/1993EP0567034A1 Electrically heatable catalytic converter
10/27/1993EP0566878A1 Catalyst for oxidative purifying exhaust gases of Diesel engines
10/27/1993EP0566748A1 Method of making metallic catalyst carrier
10/27/1993EP0566572A1 Ductile ceramic composites
10/27/1993EP0559808A4 A catalyst structure having integral heat exchange (ii)
10/27/1993CN1077704A Method and apparatus for treatment of animal dung, manure pit and sewage
10/27/1993CN1077664A Comprehensive utilization of gypsum for flue gas desulfurizing
10/27/1993CN1077661A "an oxidative diesel control catalyst"
10/27/1993CN1077660A Novel sox/nox sorbent and process of use
10/27/1993CN1077657A Method and apparatus for multipurpose use of recovered gas
10/26/1993US5257008 Compressed air system with warning mechanism for air dryer service life indication
10/26/1993US5256614 Catalyst for purification of exhaust gas
10/26/1993US5256384 Activated carbon process for removing hydrogen sulfide from gases
10/26/1993US5256379 Apparatus and method for removing hydrocarbons from airstream
10/26/1993US5256377 Ozone decomposing material and ozone decomposing apparatus using the ozone decomposing material
10/26/1993US5256296 Efficiency in gas or liquid separation; driving means for permselective membrane; vacuum pumping
10/26/1993US5256295 Two-stage membrane process and apparatus
10/26/1993US5256265 Process for oxide reactions by radiofrequency-char catalysis
10/26/1993US5256174 Gas separator system
10/26/1993US5256173 Using bonded high-silica zeolite agglomerates which have been calcined only once
10/26/1993US5256172 Separation of gas mixtures with energy recovery, utilization
10/26/1993US5256103 Ventilation arrangement for the interior of a vehicle, in particular a heating and/or air-conditioning unit for a motor vehicle
10/26/1993US5255446 Method for eliminating pollutants and/or bad-smelling substances from a gaseous flow produced by the drying of a damp substrate
10/26/1993US5255427 Ceramic hollow bodies and method of manufacturing such bodies
10/26/1993CA1323475C Treatment of permeable membranes
10/22/1993CA2094429A1 Oxidative diesel control catalyst
10/21/1993DE4212164A1 Board mfr. for heat and pressing - by vapour and gas extn. and air washing in plant attached
10/20/1993EP0566401A1 Catalyst for exhaust gas purification and method for exhaust gas purification
10/20/1993EP0566348A2 Zirconia-pillared clays and micas
10/20/1993EP0566304A1 Gas treatment process
10/20/1993EP0566180A1 Device for drying a gas
10/20/1993EP0566071A1 Method for reducing nitrogen oxides
10/20/1993EP0565879A1 Strengthening and mounting slotted metal honeycomb structures
10/20/1993EP0565790A1 Oxygen concentrator utilizing electrochemical cell
10/20/1993EP0565728A1 Method and apparatus for processing exhaust gas
10/20/1993EP0486578B1 Process for purifying and processing contaminated materials
10/20/1993EP0341280B1 Process for removing hazardous substances from water or air
10/20/1993CN1077396A Device for drying a gas
10/20/1993CN1077395A Asphalt flue gas purifying method
10/19/1993US5254797 Method of treating exhaust gas
10/19/1993US5254521 Leonardite char adsorbents
10/19/1993US5254519 On alumina support
10/19/1993US5254516 For fuel desulfurization
10/19/1993US5254515 Catalyst for decomposing nitrogen oxides and a method of purifying a waste gas containing nitrogen oxides
10/19/1993US5254512 Method for treating gas and regenerating catalyst portion by portion
10/19/1993US5254410 For mounting catalytic converters; intumescent
10/19/1993US5254368 Integrated reaction and pressure swing adsorption
10/19/1993US5254337 Deodorizing compositions for animal grooming
10/19/1993US5254322 Method for reducing automotive NOx emissions in lean burn internal combustion engine exhaust using a transition metal-containing zeolite catalyst which is in-situ crystallized
10/19/1993US5254227 Ion exchanging, conducting electric current, separating
10/19/1993US5254195 Impregnating a substrate with a colloidal silica solution, an acid and a metallic cation; drying and gelatinization
10/19/1993US5254154 Process for the purification of a gas by adsorption
10/19/1993US5254143 Diaphragm for gas-liquid contact, gas-liquid contact apparatus and process for producing liquid containing gas dissolved therein
10/19/1993CA1323175C Process for the purification of exhaust gases
10/19/1993CA1323174C Process for the treatment of sulfur composite containing industrial gases
10/14/1993WO1993020339A1 Conical honeycombed body
10/14/1993WO1993020013A1 Water compositions
10/14/1993WO1993020008A1 Desulfurization process using bromine
10/14/1993WO1993019852A1 Flue gas conditioning system
10/14/1993WO1993019838A1 Oxidation process at a controlled temperature in gaseous phase
10/14/1993WO1993019837A1 Method and apparatus for selective reduction of the no-content of exhaust gases from a kiln plant
10/14/1993WO1993019836A1 Method and apparatus for effecting gas-liquid contact
10/14/1993WO1993019835A1 Process for regenerating carbon-containing materials adsorptively loaded with nitrogen oxides
10/14/1993WO1993019811A1 Biocatalysis
10/14/1993DE4311439A1 Tapered combined gas filter and conditioning screen - e.g. for a ventilation system providing humidification and dehumidification
10/14/1993DE4307672A1 Biological reaction of gas stream and biomass bed - where moisture and nutrient probes are provided in biomass bed and gas pre- and post-treatments are controlled to ensure required moisture-nutrient content is maintained
10/14/1993DE4212071A1 Purifier for gas, esp. pyrolysis gas, contg. easily volatile heavy metals
10/14/1993DE4212038A1 Carbon di:oxide absorption from lime burning gas in ammonia soda process - using separate scrubber, pref. hot potash scrubber, instead of ammoniacal sodium chloride soln. to reduce atmos. pollution with ammonia
10/14/1993DE4212020A1 Katalysator für die katalytische Nachverbrennung von Kohlenmonoxid und/oder oxidierbare organische Verbindungen enthaltenden Abgasen Catalyst for the catalytic oxidation of carbon monoxide and / or oxidizable organic compounds containing waste gases
10/14/1993DE4211763A1 Appts. for sepg. melamine from hot reaction gases - using coaxial absorption tube with its interior coated with washing liq. with prevented deposition of melamine in appts.
10/14/1993DE4211713A1 New amino di:carboxylic-N,N-di:acetic acid deriv., useful as complexing agents - is prepd. from amino di:carboxylic acids, formaldehyde and hydrocyanic acid, or alkali metal cyanide, with amino di:carboxylic acid-N,N-di:acetonitrile as intermediate
10/14/1993CA2337131A1 Method and apparatus for effecting gas-liquid contact
10/14/1993CA2337121A1 Method and apparatus for effecting gas-liquid contact
10/14/1993CA2133835A1 Flue gas conditioning system
10/14/1993CA2131989A1 Method and apparatus for selective reduction of the no-content of exhaust gases from a kiln plant
10/14/1993CA2110066A1 Water compositions
10/13/1993EP0565316A2 Treatment of gas streams
10/13/1993EP0565291A1 Controlling atmospheres in containers
10/13/1993EP0564964A1 Process for the destruction of toxicants produced during the elimination of organic waste
10/13/1993EP0564563A1 Membrane process and apparatus for removing a component from a fluid stream
10/13/1993EP0391990B1 Process and installation for recovering ammonia from flue gases
10/13/1993EP0217928B1 Method for the preparation of a bicarbonate sorbent in flue gas desulfurization
10/13/1993CN1077139A Method and apparatus for separating mixed gas
10/13/1993CN1022384C Oxygen enriched air system
10/12/1993US5252299 Catalytic air cleaner
10/12/1993US5252298 Device for cleaning gases
10/12/1993US5252290 Putting waste in nonflammable container, radiating with infrared radiation to sterilize, crushing
10/12/1993US5252258 Method of recovering and storing radioactive iodine by freeze vacuum drying process
10/12/1993US5252219 Compressed permeate sweep membrane separation process
10/12/1993US5252190 Method for removing a harmful substance selected from the group consisting of ethylene, mercaptans, amines, and aldehydes
10/12/1993US5252124 Alternated apparatus comprising rotatable drum, a burner for combustion, drying and separator to purification; efficiency; heat exchangers
10/12/1993US5252034 For use in cooperative arrangement with a gas compressor system
10/12/1993US5251458 Extending the working depth
10/12/1993CA1322974C Inverse flow depth filter assembly
10/12/1993CA1322972C Heaterless adsorption system for combined purification and fractionation of air
10/12/1993CA1322971C Process for producing high purity oxygen gas from air
10/12/1993CA1322967C Membrane separation system and process
10/12/1993CA1322966C Turndown control method for membrane separation systems
10/12/1993CA1322963C Honeycomb structure and method of producing the same
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