| 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) |
|---|
| 06/24/1993 | WO1993012383A1 Method and apparatus for enhanced suppression of the multiple pollutants produced by a combusted fuel |
| 06/24/1993 | WO1993012207A1 Method for reducing particulate emissions from a diesel engine with organometallic platinum group metal coordination composition |
| 06/24/1993 | WO1993012206A1 Method for reducing pollution emissions from a diesel engine with organometallic platinum group metal coordination composition |
| 06/24/1993 | WO1993012036A1 Aqueous ammonia injection scheme |
| 06/24/1993 | WO1993011859A1 Contaminant removal system and process |
| 06/24/1993 | WO1993011857A1 A purifying apparatus |
| 06/24/1993 | WO1993011856A1 Device for the treatment of waste gases containing gaseous pollutants |
| 06/24/1993 | WO1993011855A1 Method to purify gases |
| 06/24/1993 | WO1993011853A1 Water separation process |
| 06/24/1993 | WO1993011851A2 Particulate material separator |
| 06/24/1993 | DE4229767A1 Organic contaminant removal from air - using bio-filter followed by filter stage or second bio-filter |
| 06/24/1993 | DE4208815C1 Sorption appts. for waste gas cleaning - has pivot flap for discharging spent sorbent |
| 06/24/1993 | DE4142554A1 Palladium@ alloy catalyst on a heat transfer carrier - used for high temp. oxidn. of hydrogen@, e.g. in nuclear reactor atmos. |
| 06/24/1993 | DE4142502A1 Blasenfreier wasserstoffeintrag in waessrige fluessigkeiten Bubble-free hydrogen entry in aqueous fluids |
| 06/24/1993 | DE4142402A1 Heterogeneous catalytic reaction of feed gas for exothermic reactions - using reaction heat to heat gas to catalysis initiation temp. or above in 1st reactor region by indirect heat exchange transfer |
| 06/24/1993 | DE4142399A1 Desulphurising bio-gas by selective catalytic oxidn. - followed by washing out the sulphur di:oxide in soda lye, is simple and ecologically compatible |
| 06/24/1993 | DE4142207A1 Removing halogenated hydrocarbon from fluid - by contacting with ring cpd. formed by reacting aldehyde with aromatic hydroxy cpd. or urea cpd. |
| 06/24/1993 | DE4142176A1 Ceramic kiln off-gas cleaning - using adsorption and catalytic oxidn. appts. with high temp. by=pass channel, which is protected against catalyst poisoning |
| 06/24/1993 | DE4141529A1 Waste gas cleaning by oxidative scrubbing - with high boiling oil addn. for removing water-insol. organics |
| 06/24/1993 | CA2126073A1 Method to purify gases |
| 06/24/1993 | CA2125177A1 Particulate material separator |
| 06/24/1993 | CA2124933A1 Water separation process |
| 06/24/1993 | CA2123805A1 Method for reducing pollution emissions from a diesel engine with organometallic platinum group metal coordination composition |
| 06/24/1993 | CA2085492A1 Accululator for vehicle air conditioning system |
| 06/23/1993 | EP0547959A1 Hydrogen cleaner comprising a base made with an alloy of similar composition to that of the tubes |
| 06/23/1993 | EP0547934A1 Catalyst for selective reduction of nitrogen oxides in a gas, and use of the same |
| 06/23/1993 | EP0547927A1 Process and apparatus for the production by permeation of an impure light gas |
| 06/23/1993 | EP0547849A1 Motor-cycle radial tyre |
| 06/23/1993 | EP0547663A1 Process for production of TiO2-containing pellets and the use of them |
| 06/23/1993 | EP0547576A2 Process for melting silicate raw materials, in particular for the production of mineral wool, and apparatus for preheating the raw material mixture |
| 06/23/1993 | EP0547575A1 Hollow fiber gas separation module |
| 06/23/1993 | EP0547511A1 Catalyst assembly for nearly dust-free gases |
| 06/23/1993 | EP0547400A1 Process for removing H2S from gases |
| 06/23/1993 | EP0547387A1 Membrane air drying and separation operations |
| 06/23/1993 | EP0547355A1 Membrane oxygen process and system |
| 06/23/1993 | EP0547295A1 Process for preventing the formation of organic contaminants and vapour generator for this purpose |
| 06/23/1993 | EP0547226A1 Method of oxidative decomposition of organic halogen compound |
| 06/23/1993 | EP0547209A1 Method and apparatus for purifying contaminated gases |
| 06/23/1993 | EP0528873A4 Growing sodium type x zeolite crystals |
| 06/23/1993 | EP0304478B1 Process for nitrogen oxides reduction with minimization of the production of other pollutants |
| 06/23/1993 | CN2136831Y Desorption device with airflow dewatering function |
| 06/23/1993 | CN1073374A Process for removing hydrogen sulfide from gas |
| 06/23/1993 | CN1073373A Compound decarbonizing solvent and decarbonizing process |
| 06/23/1993 | CN1021294C Rotary liquid-feeding rotating bed |
| 06/22/1993 | US5221649 Clay, manganese dioxide and at least one oxide of a metal selected from cobalt, nickel and silver on a support |
| 06/22/1993 | US5221523 Air pollution control |
| 06/22/1993 | US5221520 Catalytic cracking of heavy hydrocarbons at ambient temperatures |
| 06/22/1993 | US5221484 Useful for catalyzing gas phase reactions, such as, oxidation of nitrogen oxides, oxidation of sulfur dioxide and organic vapors |
| 06/22/1993 | US5221388 Selective sealing of defective gas separation hollow fibers |
| 06/22/1993 | US5221323 Method of producing magnetic powders from heavy metal sludges |
| 06/22/1993 | US5221304 Process vessels |
| 06/22/1993 | US5221298 Wet exhaust gas desulfurization apparatus and method |
| 06/22/1993 | US5221292 Air cleaning system for vehicle passenger compartment |
| 06/22/1993 | US5220875 Method of reducing sulfur dioxide content in flue gases |
| 06/22/1993 | US5220797 Purification, compression, absorption through pressure swing adsorbtion system to produce nonadsorbed product, passing it to cryogenic fractional distillation system to separate hydrogen and nitrogen and produce pure argon |
| 06/22/1993 | US5220796 Adsorption condensation solvent recovery system |
| 06/22/1993 | CA2085758A1 Method and apparatus for removing undesirable chemical substances from gases, exhaust gases, vapors, and brines |
| 06/22/1993 | CA1319316C Industrial process for the separation and recovery of chlorine |
| 06/22/1993 | CA1319246C Low temperature process for the reduction of nitrogen oxides in an effluent |
| 06/21/1993 | CA2083310A1 Removal of sulfur doxide from gas streams |
| 06/19/1993 | WO1993011854A1 Process and steam generator for preventing the formation of organic pollutants |
| 06/19/1993 | CA2101429A1 Process for preventing the formation of harmful organic substances and steam generator for carrying out the process |
| 06/18/1993 | CA2077169A1 Process for the melting of silicate raw materials, in particular for the production of mineral wool, and apparatus for the preheating of the raw material mixture |
| 06/17/1993 | DE4234682A1 Outboard motor unit with underwater exhaust - has catalytic converter in pipe between boat engine and exhaust outlet |
| 06/17/1993 | DE4141755A1 Electro plating bath - is covered by a closed suction extn. hood with material passage openings shrouded by air curtains |
| 06/17/1993 | DE4140969A1 Mercury (cpd.) sepn. from gas - by amalgamation, evapn. with flushing gas and condensation |
| 06/17/1993 | CA2084943A1 Hollow fiber gas separation module |
| 06/16/1993 | EP0546808A1 Nitrogen sorption |
| 06/16/1993 | EP0546662A1 Sweep valve for dehydration module |
| 06/16/1993 | EP0546542A1 Improved adsorbent beds for pressure swing adsorption operations |
| 06/16/1993 | EP0546527A1 Process for the purification of a H2S and nitrogen containing crude gas |
| 06/16/1993 | EP0546464A1 Process for cleaning harmful gas |
| 06/16/1993 | EP0546314A1 Method for removing halogenated organic compounds from flue gases |
| 06/16/1993 | EP0546199A1 A method for reduction of pollution from combustion chambers |
| 06/16/1993 | EP0546057A1 Gas separation membrane with ultrathin layer |
| 06/16/1993 | EP0546014A1 Nitrogen atmospheres |
| 06/16/1993 | EP0545943A1 Process and plant for separating solid and/or liquid particles and/or polluting gas from a gas stream. |
| 06/16/1993 | EP0545938A1 Wet scrubbing device, in particular for separating gaseous, liquid and/or solid impurities from gas streams |
| 06/16/1993 | EP0348459B1 Improved composite membranes, their manufacture and their use |
| 06/16/1993 | CN1073122A Optical catalyst for air purification |
| 06/16/1993 | CN1073121A Wet purifying decice |
| 06/16/1993 | CN1073120A Method and apparatus for purifying chlorine, especially chlorine in flue gas |
| 06/16/1993 | CN1073119A Improved adsorbent beds for pressure swing adsorption operations |
| 06/15/1993 | US5220108 Amorphous alloy catalysts for decomposition of flons |
| 06/15/1993 | US5220101 Using molecular sieves having large uniform pores and organic functional groups bonded to the surface of the pores |
| 06/15/1993 | US5219545 Catalyst and method for catalytically decomposing nitrogen oxides |
| 06/15/1993 | US5219544 Adsorbing ammonium compounds in filter zone, delivering used adsorbent to preheating or burning zone to reduce nitrogen oxides |
| 06/15/1993 | US5219543 Feeding calcium hydroxide and ferrous sulfate to fluidized bed reactor, fluidizing with ammonia-exhaust gas mixture, heating, supplying to electrostatic precipitator, collecting and recycling or discharging solids |
| 06/15/1993 | US5219542 Process for removing sulfur compounds |
| 06/15/1993 | US5219536 Heating dried mixture of basic sodium or calcium compound and smectite clay in presence of flue gas |
| 06/15/1993 | CA1319141C Exhaust gas purification catalyst |
| 06/15/1993 | CA1319116C Method of adsorption |
| 06/15/1993 | CA1319115C Respirator filter means for removal of tritiated water |
| 06/15/1993 | CA1319097C Process and equipment for cleaning industrial fumes |
| 06/15/1993 | CA1318992C Immobilized liquid membrane |
| 06/13/1993 | CA2072469A1 Sweep valve for dehydration module |
| 06/11/1993 | CA2083076A1 Contaminant removal system and process |
| 06/10/1993 | WO1993011070A1 Dry carbonation of trona |
| 06/10/1993 | WO1993011066A1 PROCESS AND COMPOSITION FOR NOx and SOx REDUCTION |
| 06/10/1993 | WO1993010896A1 Chromium-free impregnated activated universal respirator carbon for adsorption of toxic gases and/or vapors |