| Patents for B01D 47 - Separating dispersed particles from gases, air or vapours by liquid as separating agent (12,036) |
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| 11/24/1993 | CN2147036Y Suspension water curtain type air purifier |
| 11/18/1993 | EP0555474A4 Method and device for cleaning gas stream |
| 11/17/1993 | CN2146297Y Wet centrifugal dust remover |
| 11/16/1993 | US5261933 Vent gas deodorizing system |
| 11/11/1993 | DE4221343C1 Pyrotechnic material disposal - by controlled combustion and waste gas cleaning |
| 11/11/1993 | DE4215143A1 Cleaning and cooling hot pressurised dusty gases - using recycled scrubbing and cooling water |
| 11/10/1993 | CN2145636Y Rotary spraying duster |
| 11/10/1993 | CN1078169A Safety filtration equipment |
| 10/27/1993 | CN2144532Y Washing type dust remover with automatic water supply circulating foam dish |
| 10/27/1993 | CN1077657A Method and apparatus for multipurpose use of recovered gas |
| 10/21/1993 | DE4212164A1 Board mfr. for heat and pressing - by vapour and gas extn. and air washing in plant attached |
| 10/20/1993 | CN2144016Y Cyclone throat backflow multi-stage wet duster |
| 10/13/1993 | CN2143526Y Ma stone double flushing dust remover |
| 10/13/1993 | CN1077138A Water separation process |
| 10/07/1993 | DE4220850C1 Motor exhaust gas cleaning - has washer to separate solids with evaporator to condense water and dry particles for collection |
| 09/30/1993 | WO1993018842A1 Method and device for gas cleaning or gas cooling |
| 09/30/1993 | DE4308310A1 Exhaust gas scrubber with heat recovery and plastic construction - performs water spray scrubbing in first and third stages, and passes exhaust gas through adsorption material while heat is removed by cooling coils in second stage |
| 09/29/1993 | CN2142749Y Grid desulfurizing duster |
| 09/16/1993 | WO1993018348A1 Fume purification system |
| 09/15/1993 | CN1076301A Apparatus for removing aerosols from the air of a nuclear reactor containment |
| 09/15/1993 | CN1076137A Method of and apparatus for cleaning air and humidifier |
| 09/14/1993 | US5243950 Apparatus for the treatment of gases in a positive crankcase ventilation system |
| 09/08/1993 | EP0558873A1 Installation for the separation of aerosols contained in the air from a nuclear reactor containment |
| 09/08/1993 | CN2141733Y Immersible wash deduster |
| 09/07/1993 | CA1321947C Gas stream filtering apparatus and method |
| 09/06/1993 | CA2062339A1 Fume purification system |
| 08/26/1993 | DE4221344C1 Safe disposal of pyrotechnic material without environmental pollution - by controlled combustion of materials giving alkaline and acid reaction prods., cooling combined gas and purificn. |
| 08/19/1993 | WO1993015822A1 Method and apparatus for removing suspended fine particles from gases and liquids |
| 08/19/1993 | WO1993015645A1 Air filtering system |
| 08/18/1993 | EP0555474A1 Method and device for cleaning gas stream |
| 08/11/1993 | CN1075100A Water-resistance fan-blade smoke-removing apparatus |
| 08/10/1993 | CA1321136C Gas scrubbing apparatus and process |
| 08/05/1993 | WO1993014860A1 Separation device and process |
| 08/04/1993 | EP0553659A2 Positioning of injectors for injecting and pulverising liquids in a gas washing device |
| 08/04/1993 | CN2139469Y Wing cyclone collector capable of eliminating smoke |
| 07/28/1993 | EP0552998A1 Process for reducing the introduction of droplets in an hydrogen stream |
| 07/28/1993 | CN2139026Y Snail type water membrane dust collector |
| 07/25/1993 | CA2087897A1 Air cleaning method, cleaning apparatus, and mist generator |
| 07/22/1993 | DE4201033A1 Aerosol sepn. from gas esp. hydrogen@ or oxygen@ stream from water electrolysis - in which supply pipe is surrounded by tube which forms bubble column space and separates space from scrubbing liq. outlet region |
| 07/21/1993 | CN2138520Y Purifier for lead smoke |
| 07/08/1993 | WO1993012705A1 Vacuum cleaner |
| 07/07/1993 | EP0549756A1 Gas scrubbing process and device, in particular for flue gas. |
| 07/07/1993 | CN2137558Y Compound dust-removing desulfurizing tower |
| 07/07/1993 | CN1073888A Low pressure drop dry scrubber |
| 07/06/1993 | US5225086 Process for the treatment of wash water from the gas washing system of an iron ore reduction plant |
| 06/30/1993 | EP0347434B1 Air scrubber for cement bin |
| 06/30/1993 | EP0327532B1 Filtering apparatus |
| 06/30/1993 | CN2137178Y Water vapor dust-removing device |
| 06/29/1993 | US5223119 Containing gases over electroplating bath, evacuating into water scrubbing bath, passing through mist separator and submicron filter, discharging |
| 06/17/1993 | DE4141755A1 Electro plating bath - is covered by a closed suction extn. hood with material passage openings shrouded by air curtains |
| 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 | CN1073121A Wet purifying decice |
| 06/16/1993 | CN1073120A Method and apparatus for purifying chlorine, especially chlorine in flue gas |
| 06/15/1993 | CA1319097C Process and equipment for cleaning industrial fumes |
| 06/09/1993 | CN2135394Y Water absorption chamber |
| 06/08/1993 | US5217788 Corrugated sheet assembly |
| 06/08/1993 | US5217508 Waste gas treatment method and system |
| 06/08/1993 | US5216898 Cooling apparatus |
| 06/08/1993 | CA1318854C Scrubber-exhaust gas conditioner |
| 06/02/1993 | CN1021020C Method and apparatus for treatment of waste gas containing dusts and chemical contaminants |
| 06/02/1993 | CN1021019C Filtering apparatus |
| 06/01/1993 | US5215560 Air filtering system |
| 06/01/1993 | US5215557 Dry scrubber with integral particulate collection device |
| 06/01/1993 | CA1318584C Gas-liquid contacting apparatus |
| 05/26/1993 | CN2134593Y Pipe type water film dust remover |
| 05/25/1993 | US5213595 Combined indoor fountain-air cleaner |
| 05/19/1993 | CN2133350Y Venturi double-impact double-water bath adjusting spraying and washing duster |
| 05/19/1993 | CN1072103A Efficient physical method for removing fume and dust |
| 05/18/1993 | US5211926 Process for extracting of disposing of ammonia or ammonia compounds from dust mixtures |
| 05/13/1993 | WO1993008901A1 Device for removing gaseous, liquid or solid elements from an air flow |
| 05/05/1993 | EP0540196A1 Selective reduction of nitrogen oxides |
| 05/05/1993 | EP0539459A1 Method and device for purifying air |
| 05/05/1993 | CN1020416C Method and equipment for industry smoke comprehensive purifying and dust removing |
| 05/05/1993 | CN1020415C Boiler flue-gas treater and treating method thereof |
| 04/29/1993 | WO1993007951A1 Waste gas scrubber |
| 04/28/1993 | EP0539121A1 Gas scrubbers |
| 04/27/1993 | US5205846 Water wash system, and methods of constructing and utilizing same |
| 04/21/1993 | CN2130108Y TAT water washing dust remover |
| 04/21/1993 | CN1020332C Hydraulic fan technology for air cleaning and condensing and the sprayer |
| 04/21/1993 | CN1020331C Method and apparatus for wetting particles contained in gas flow |
| 04/15/1993 | WO1993006914A1 Method of applying a wettant to a filtering media |
| 04/14/1993 | CN1070838A Circulating water membrane dust catcher and method thereof |
| 04/13/1993 | US5201919 Integral in-line gas scrubber |
| 04/13/1993 | CA1316122C Circulating air scrubber |
| 04/07/1993 | CN2129170Y High-efficiency wet-type dust cleaner |
| 04/07/1993 | CN2129169Y Gas-cleaning duster |
| 04/07/1993 | CN1070587A Filtering system for muddy gas |
| 04/06/1993 | US5200055 System and method for chrome recovery |
| 04/06/1993 | US5199963 Dual filtering vacuum system |
| 04/06/1993 | US5199362 Pollution control method and apparatus |
| 04/06/1993 | CA1315668C Filter-device and a filter-appliance from such filter-device |
| 03/17/1993 | CN1069905A Purifying method for boiler smoke and gas and its apparatus |
| 03/16/1993 | US5194076 Low pressure drop dry scrubber |
| 03/16/1993 | CA1314383C Method and apparatus for purifying air |
| 03/09/1993 | US5192518 Calcium carbonate absorbent, magnetic fly ash separation |
| 03/09/1993 | US5192345 System and process for the purification treatment of smokes, dusts and exhaust gases after combustion |
| 03/03/1993 | CN2127637Y Water film dust remover of granite |
| 02/17/1993 | CN2127037Y Wet vibrating string dust removed device |
| 02/17/1993 | CN1068972A Energy-saving method and apparatus for flue gas purification |