Patents
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)
01/1989
01/25/1989EP0218601B1 Regenerator plant
01/25/1989CN2031308U Purification tower made from reinforced glass-fibre
01/25/1989CN1030534A Process for separating nitrogen from mixtures thereof with less polar substance
01/24/1989US4800190 Adsorber particles on open-cell foam
01/24/1989US4800189 Mass for removal, through chemical sorption, of homogeneously dissolved impurities, particularly oxygen, from gases or liquids
01/24/1989US4800070 Catalysts for absorptive air separation
01/24/1989US4800068 System for NO reduction using sublimation of cyanuric acid
01/24/1989US4799994 Process for cooking and bleaching pulp
01/24/1989US4799941 Cooling, humidifying
01/24/1989EP0237568A4 Reduction of nitrogen- and carbon-based pollutants.
01/24/1989CA1249229A1 Production of oxygen enriched air
01/24/1989CA1249175A1 Temperature sensitive control system for liquid motor and pump in a natural gas dehydration system
01/24/1989CA1249116A1 Methods and apparatus for purifying inert gas streams
01/24/1989CA1249111A1 Method for producing a very thin, dense membrane and (supported) membrane so produced
01/19/1989DE3823035A1 Apparatus for impinging with a second fluid a reaction space through which a fluid flows
01/19/1989DE3823034A1 Apparatus and process for impinging with a second fluid a reaction space through which a fluid flows
01/19/1989DE3722995A1 Process for the utilisation of sulphite-containing flue gas desulphurisation products
01/19/1989DE3722983A1 Sensor-supported and microprocessor-controlled detection and regulating system for combatting odours during combustion, coking and gasification and during biological reaction processes
01/18/1989EP0299922A2 Process for preparing metal salts of phosphoric and phosphonic acid esters
01/18/1989EP0299637A1 Method for preparing a catalyst
01/18/1989EP0299626A2 Method of Protecting and Insulating a Catalytic Converter Block
01/18/1989EP0299485A1 Catalyst for oxidation of hydrocarbon compounds
01/18/1989EP0299340A1 Method of removing heavy metal compounds from the filter dust from plants for the incineration of solid waste from plants for removing dust from smoke gases and from plants for gas purification
01/18/1989EP0299294A2 Process for eliminating nitrogen oxide from exhaust gases
01/18/1989EP0299197A2 Electrostatic filter for cleaning gases
01/18/1989EP0162893B1 Non-catalytic method for reducing the concentration of nitrogen oxide in combustion effluents
01/17/1989US4798819 Bismuth, chromium or rare earth oxide crystals, alkali metal
01/17/1989US4798817 Selective catalytic reduction catalyst consisting of iron sulfate, ceria and alumina
01/17/1989US4798813 Catalyst for removing nitrogen oxide and process for producing the catalyst
01/17/1989US4798711 Processes for removing nitrogen oxides, sulfur oxides and hydrogen sulfide from gas streams
01/17/1989CA1248942A1 Absorption of gases by amine and phosphine complexed mn (ii)
01/17/1989CA1248880A1 Molecular sieve type gas separation systems
01/17/1989CA1248757A1 Room air conditioner with high capacity fresh air circulation means
01/17/1989CA1248737A1 Device for the purification of gas, especially combustion gas
01/17/1989CA1248735A1 Method and apparatus for dry desulfurization of exhaust gas
01/12/1989DE3822631A1 Method for heat recovery and control of catalytic or thermal afterburning
01/12/1989DE3808374A1 Scrubbing method for purifying exhaust gases
01/12/1989DE3721725A1 Facility for cleaning flue gases in heating systems
01/12/1989DE3721684A1 Verfahren zum nassen entfernen von schwefeldioxid A method for wet remove sulfur dioxide from
01/12/1989DE3721293A1 Process for recovering drycleaning solvent residues dissolved and/or emulsified/dispersed in the contact water and contained in the waste air
01/12/1989DE3721251A1 Use of fluidised-bed ashes
01/11/1989EP0298943A2 A catalyst carrier
01/11/1989EP0298941A1 Method for destructing undesired organic substances
01/11/1989EP0298531A1 Gas separation apparatus and also method for separating gases by means of such an apparatus
01/11/1989EP0298351A2 Catalysts for controlling auto exhaust emissions including hydrocarbon, carbon monoxide, nitrogen oxides and hydrogen sulfide
01/11/1989EP0298288A2 Process for reducing hydrocarbon emissions generated in tankers, tanker depots and ships and plant for performing the process
01/11/1989EP0298212A2 Process for purifying gas containing hydrogen sulfide, sulfur compounds as well as hydrocyanic acid as pollutant
01/11/1989EP0187787B1 Process for separating so 2? and no x?
01/11/1989CN2030504U Gas absorbing tower
01/11/1989CN2030503U Smoke-eliminating and dust-removing device
01/11/1989CN1030197A Silica-bound calcium-containing zeolite granulate
01/11/1989CN1030193A Process for nitrogen oxides reduction and minimization of production of other pollutants
01/11/1989CN1030192A Method and system for vapor extraction from gases
01/10/1989US4797366 Removal of hydrogen sulfide with cation exchange resin
01/10/1989US4797268 Sulfur recovery process using metal oxide absorbent with regenerator recycle to Claus catalytic reactor
01/10/1989US4797185 Hydrogen separation and electricity generation using novel electrolyte membrane
01/10/1989US4797132 Gas control apparatus
01/10/1989US4796545 Fire furnace, denitrating reactor, dust collector, pipe for arsenil removal
01/10/1989CA1248463A1 Moisture removal from natural gas and other substances
01/10/1989CA1248462A1 Method and arrangement for the selective removal of acid gases from a feed gas
01/05/1989DE3820216A1 Process for removing monocyclic and multicyclic hydrocarbons
01/05/1989DE3721317A1 Process for the preparation of reactive calcium hydroxides for exhaust gas purification
01/05/1989DE3721233A1 Process for separating off calcium chloride from scrubbing waters of the flue gas scrubber
01/05/1989DE3721141A1 Process for mercury recovery from mercury-containing scrubbing waters of incineration plants
01/05/1989DE3721051A1 Process and device for the denitration of flue gas
01/05/1989DE3721039A1 Process for purifying exhaust gases
01/05/1989DE3720915A1 Process and apparatus for removing vapour from a fed compressed gas
01/05/1989DE3720045A1 Filter for the purification of a gaseous medium
01/04/1989EP0298039A2 Process and apparatus for separating sulphur dioxide from gases, especially from smoke
01/04/1989EP0297543A2 Process for eliminating organic odors and compositions for use therein
01/04/1989EP0297542A2 Process for separating nitrogen from mixtures thereof with less polar substances
01/04/1989EP0297340A1 Dry lime-slaking plant and process for dry lime-slaking, as well as a flue gas desulphuration plant with such a dry-lime slaking plant, and process for flue gas desulphuration
01/04/1989CN1030129A Process for treating gaseous effluents coming from manufacture of electronic components and incineration apparatus for carrying out said process
01/04/1989CN1030025A Process for treating waste gas
01/03/1989US4795620 Oxidation, purification, desulfurization
01/03/1989US4795619 Contacting with an alkaline reagent and a deliquescent compound
01/03/1989US4795615 Mounting for a metallic exhaust gas catalyst carrier body and method for manufacturing the same
01/03/1989US4795586 Method and composition for utilizing lime-urea hydrates to simultaneously reduce NOx and SOx in combustion effluents
01/03/1989US4795566 Method for cleansing a contaminated medium in a contact reactor
01/03/1989US4795482 Process for eliminating organic odors and compositions for use therein
01/03/1989CA1248007A1 Process for recovering c.sub.4 hydrocarbons using a dephlegmator
01/03/1989CA1247813A1 Cross-linked polyarylene oxide membranes
12/1988
12/29/1988DE3820398A1 Verfahren und vorrichtung zum reinigen von industrieabgasen Method and apparatus for cleaning industrial waste gases
12/29/1988DE3720527A1 Heat exchanger
12/29/1988DE3720259A1 Process for reducing the hydrocarbon emissions arising at tank farms, tanker truck filling stations and ships and plant for carrying out the process
12/29/1988DE3720258A1 Process for reducing the hydrocarbon emissions arising at tank farms, tanker truck filling stations and ships and plant for carrying out the process
12/29/1988DE3719614A1 Method and apparatus for the recovery of solvent from exhaust air of printing machines and other plants
12/29/1988DE3719138A1 Combustion plant
12/29/1988DE3719067A1 Bactericidal chemisorption filter
12/28/1988EP0296944A1 Method of processing gaseous effluents coming from the production of electronic components and incinerator for carrying out this method
12/28/1988EP0296720A2 Plasma extraction reactor and its use for vapor extraction from gases
12/28/1988EP0296645A1 Process for composting organic material and apparatus therefor
12/28/1988EP0296500A1 Method for removing hydrogen chloride from exhaust gas discharged from incinerator
12/28/1988EP0296474A2 Process for heating moist gases
12/28/1988CN88103731A Process for production or recovery of acids from metalliferous solutions of such acid
12/28/1988CA1247327A Continuous controlled process for removing sulphur oxides gases from stack gases
12/27/1988US4793982 Use of nitrites to enhance SO2 removal in flue gas desulfurization wet scrubbers
12/27/1988US4793981 Integrated injection and bag filter house system for SOx -NOx -particulate control with reagent/catalyst regeneration
12/27/1988US4793976 Sulfur recovery system
12/27/1988US4793857 Melt-down gasifier and iron reduction unit