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)
03/1995
03/07/1995US5395598 For cleaning polluted air, generating electricity, producing fresh water; heaters to create air flow, sprayers for removing pollution, turbines
03/07/1995US5395428 Filter material for motor vehicles
03/07/1995US5395427 Two stage pressure swing adsorption process which utilizes an oxygen selective adsorbent to produce high purity oxygen from a feed air stream
03/07/1995US5395426 Device for the removal and concentration of organic compounds from the atmosphere
03/07/1995US5395425 Apparatus employing porous diaphragms for producing useful work
03/07/1995CA1334628C Ethylene removal agent, postharvest preservation agent and deodorant
03/04/1995CA2131072A1 Adsorption process for oxygen removal using a multi-layered adsorbent bed
03/03/1995CA2131404A1 Procedure for the selective recovery of solvents from solvent gas mixtures and device for the realization of the procedure
03/02/1995WO1995006225A1 Improvements in removal of noxious gases from emissions
03/02/1995WO1995006146A1 Argon purification (system two)
03/02/1995WO1995005894A1 Filter material and a method of removing nitrogen oxides from gases and liquids
03/02/1995WO1995005886A1 Air filtration system
03/02/1995WO1995005885A1 Crude argon purification (system one)
03/02/1995WO1995005884A1 Hopper system and electrostatic gun for injection of an electrostatically charged sorbent into a polluted gas stream
03/02/1995DE4329427A1 Scrubbing tower for a flue gas desulphurisation plant
03/02/1995DE4328450A1 Recyclable filter material used for removing nitric oxide from gases and liquids
03/02/1995CA2170259A1 Filter material and a method of removing nitrogen oxides from gases and liquids
03/02/1995CA2167535A1 Hopper system and electrostatic gun for injection of an electrostatically charged sorbent into a polluted gas stream
03/01/1995EP0640401A1 Air atomizing spray nozzle assembly with angled discharge orifices
03/01/1995EP0640391A2 Honeycombcatalyst for the oxidation of hydrocarbons and halogenated hydrocarbons
03/01/1995EP0640390A2 Catalytic converters - metal foil material for use therein, and a method of making the material
03/01/1995EP0640386A1 Process for the production of mixed oxides powders for denitration catalysts
03/01/1995EP0640385A1 Packing with catalysts or adsorbants
03/01/1995EP0640382A1 Exhaust purifying filter material and method for manufacturing the same
03/01/1995EP0640381A1 Modified zeolite for trapping hydrocarbons
03/01/1995EP0640380A1 Exhaust gas cleaner and method for removing nitrogen oxides
03/01/1995EP0640379A1 Method for decomposing N20 utilizing catalysts comprising calcined anionic clay minerals
03/01/1995EP0640378A1 Reduction of NOX emissions
03/01/1995EP0640377A2 Process and apparatus for removing pollutants from a combustion gas
03/01/1995EP0640376A2 Method for recovering ethylene from ethylene oxide plant vent gas
03/01/1995EP0640375A2 NOx adsorption and removal apparatus
03/01/1995EP0640373A2 Spray tower and method for cooling, moistening and/or purifying gas
03/01/1995EP0640058A1 Method for removing hydrogen sulphide from a gas and recovering in the form of sulphur.
03/01/1995EP0640006A1 Spiral wound membrane element
03/01/1995EP0640005A1 Method for removing sulphur compounds from a residual gas such as a residual gas from a claus process sulphur plant, and recovering said compounds as sulphur.
03/01/1995EP0640004A1 Method for the direct, high-selectivity, catalytic, oxidative conversion into sulphur of h2s present in a low concentration in a gas
03/01/1995EP0640003A1 LOW NOx BURNER
03/01/1995EP0640002A1 Air filter.
03/01/1995EP0506701B1 Composite diaphragm, process for producing it and its use
03/01/1995CN1099317A Hooper system and electrostatic gun for injection of an electrostatically charged sorbent into a polluted gas stream
03/01/1995CN1027737C Gas drying apparatus
02/1995
02/28/1995US5393505 Process for increasing the acid gas absorption capacity of contaminated alkanolamine solutions
02/28/1995US5393329 Fuel-sorbing device using layered porous silica
02/28/1995US5393328 Fast response membrane generator using heat accumulation
02/28/1995US5393326 Process for the production of a gas with a substantial oxygen content
02/28/1995US5393325 Composite hydrogen separation metal membrane
02/28/1995US5393324 Aromatic polyetherketone gas separation membranes
02/28/1995US5393323 Aromatic polyethersulfone gas separation membranes
02/28/1995CA1334585C So /no _pollution control composition and method esp brown plume control
02/24/1995CA2130293A1 Internal support structure for large diameter absorption modules
02/23/1995WO1995005343A1 Method and apparatus for reducing ammonia in combustion gases
02/23/1995WO1995005236A1 USE OF SPENT NOx-REMOVING CATALYSTS TO REDUCE THE EMISSION OF INCOMPLETELY BURNED CHLORORGANIC PRODUCTS
02/23/1995DE4426788A1 Method for taking into account the actual degree of conversion of an exhaust emission control device
02/23/1995DE4333481C1 Process for dry or semi-dry purification of flue gases from waste incineration
02/22/1995EP0639701A1 Mounting mat with high temperature sealing material
02/22/1995EP0639700A1 Catalytic converter and diesel particulate filter
02/22/1995EP0639699A2 Exhaust gas purification system and exhaust gas purification method
02/22/1995EP0639534A2 Waste treatment system in a polishing apparatus
02/22/1995EP0639400A1 Modified large pore zeolites for trapping alkenes
02/22/1995EP0639399A1 Process for treatment of by-product gaseous mixture resulting from the reaction of methyl chloride with silicon
02/22/1995EP0639398A1 Corrosion-resistant metal filters
02/22/1995EP0639271A1 Method and apparatus for predicting end-of-life of a consumable in a fluid purification system
02/22/1995EP0639112A1 Hcl adsorbent and method for making and using same
02/22/1995EP0639109A1 Process for the catalytic reduction of nitrogen oxides
02/22/1995CN2189971Y Desulfurizing apparatus
02/22/1995CN1027680C Catallytic high molecular gas separation membrance
02/22/1995CN1027679C Gas separation membrance with selective adsorbility
02/22/1995CN1027675C Aromatics is transfered from vegetable materials to liquid absorbent
02/21/1995US5391530 Mixture of tungstate, vanadate and titanium oxide; overcoated with phosphate, silicate and borate; wear resistance
02/21/1995US5391524 Production of heavy metal carbides of high specific surface area
02/21/1995US5391426 For absorbing noxious gases while having a good water vapor transmission rate
02/21/1995US5391363 Continuous purification of an off-gas composed of CO2 +HCl+COCl2
02/21/1995US5391358 Gas purification system
02/21/1995US5391278 Process for removal of hydrogen sulfide
02/21/1995US5390667 Administering haloethane or haloether to patient by inhalation bringing exhalation in contact with magnesium compound as an absorbent, adsorbs carbon dioxide without decomposing anesthesia
02/21/1995US5390533 For integrity testing with gas
02/21/1995CA1334531C Process for the removal of sulfides
02/21/1995CA1334530C Process for modification of a molecular sieve
02/21/1995CA1334476C Multi-stage process for reducing the concentration of pollutants in an effluent
02/17/1995CA2128562A1 Modified large pore zeolites for trapping alkenes
02/17/1995CA2127478A1 Modified zeolites for trapping hydrocarbons
02/16/1995WO1995004957A1 Virtual continuous emission monitoring system with sensor validation
02/16/1995WO1995004900A2 System for treating fumes or polluted air
02/16/1995WO1995004878A1 Virtual emissions monitor for automobile
02/16/1995WO1995004875A1 Electronic purification of exhaust gases
02/16/1995WO1995004589A1 Method of flue gas purification and flue gas purifier
02/16/1995WO1995004588A1 Method for removing hydrogen sulphide from mixture gas containing hydrogen sulphide and excessive amounts of steam and ammonia
02/16/1995DE4327526A1 Air purification plant
02/16/1995DE4327524A1 Process and apparatus for isolating impurities from multicomponent exhaust gas streams in a plurality of stages
02/16/1995DE4327522A1 Process for the retention by adsorption of organosulphur compounds from industrial gases and for conditioning thereof
02/16/1995DE4327081A1 Flow-through reactor for liquids and/or gases
02/16/1995DE4326683A1 Sorption of NH3 by doped oxidic sorbents with subsequent catalytic oxidation of the desorbate
02/16/1995DE4326279A1 Process for separating off mercury from flue gas
02/16/1995DE4326032A1 Process and plant for the desulphurisation of hydrogen-sulphide-containing exhaust gases
02/16/1995CA2168958A1 Electronic purification of exhaust gases
02/16/1995CA2167927A1 Virtual emissions monitor for automobile
02/16/1995CA2167588A1 Virtual continuous emission monitoring system with sensor validation
02/15/1995EP0638710A2 Heater and catalytic converter
02/15/1995EP0638546A1 A process for reduction of waste material during manufacture of acrylonitrile
02/15/1995EP0638524A1 Installation for reducing the degree of moisture of sludge