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WO/2000/043108A1 |
Multiple filters which treat noxious substances, nitrogen oxides and carbon dioxide gas exhausted from diesel engines and factories to grow and convert carbon dioxide (carbon dioxide gas) contained in the exhaust gas into calcium carbona...
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WO/2000/043109A1 |
An exhaust gas treating method and a device therefor, and vehicles equipped with the device, wherein a liquid-containing substance containing salts of nitrogen containing oxygen acid radicals is installed in an exhaust gas passage to tre...
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WO/2000/042292A1 |
A prandtl layer turbine has a longitudinally extending housing (14) having a fluid inlet port (60); a plurality of spaced apart members (12) rotatably mounted in the housing to transmit motive force between fluid introduced through the f...
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WO/2000/035806A1 |
Method and associated apparatus for removing carbonyl sulfide (COS) from a synthesis gas stream is disclosed. The method entails raising the water level of a wet scrubber so that hydrolysis of the COS may occur in the scrubber itself ins...
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WO/2000/033939A1 |
An engine exhaust system for an internal combustion engine including a water filled washing tank, combustion fume air pressurized flushing tubes disposed in the washing tank below a predetermined water level trap attached to an outlet co...
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WO/2000/032299A1 |
An exhaust gas treating device comprising a first cooler that is installed in the rear stage of a decomposing section for decomposing exhaust gas at high temperature and that has a liquid spray section for spraying liquid on the treated ...
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WO/2000/030734A1 |
In the fields of environmental and industrial pollution control there is a need for improvements in the removal of fine particulates, especially of sizes in the sub-micron ranges, from gas streams. The disclosure relates to an apparatus ...
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WO/2000/029514A1 |
The raw syngas generated in a partial oxidation gasifier (2) also includes carbon soot which is removed and recovered from the syngas by scrubbing with water. The scrubbing water (4) contains one or more high temperature surfactants (6) ...
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WO/2000/029323A1 |
The present invention provides a method for the recovery of elemental carbon or soot produced during the partial oxidation reaction of a hydrocarbonaceous fuel and oxygen. An effluent stream of raw synthesis gas or syngas with entrained ...
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WO/2000/027503A1 |
A liquid-spraying rotor (1) is described, the purpose of which is to receive liquids and to fractionate this liquid into as small as possible particles and to generate a flow of gases in a direction. Especially, a rotor of the type sugge...
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WO/2000/024505A1 |
A quench zone mixing apparatus (16) that occupies a low vertical height and has an improved mixing efficiency and fluid distribution across the catalyst surface includes a swirl chamber (20), a rough distribution network (100), and a dis...
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WO/2000/017428A1 |
A packing element with a plurality of symmetrically disposed subdivisions within a cylindrical body member provides a very strong, high temperature and corrosive media resistant structure with a large surface area.
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WO/2000/003788A1 |
A method and device for liquid purification of crude gas flows. The crude gas flows through one or several parallel venturi tubes with or without a low pressure loss of up to 30 mbars, preferably 20m bars, and said tube(s) is/are sprayed...
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WO/2000/002641A1 |
A pump control apparatus includes a pump (13) coupled at an inlet to a water source (14) and at an outlet to a first dispensing valve (18) and a carbonator (15) via a check valve (16). A power source (12) is coupled to the pump (13), and...
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WO/2000/000294A2 |
A wet scrubber (1) including an acceleration cone (2) for accelerating an airflow containing paint particles and having a curved inner wall on which water used for capturing paint particles flows downwardly, a mixing chamber (3) for mixi...
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WO/1999/067571A1 |
Flue gases from combustion plants have water vapour from the combustion in the flue gas. With a condenser part of the vapour can be condensed and the condens heat be used to heat the return water from a heating system. By humidifying the...
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WO/1999/056854A1 |
Small solid particles are separated from a flow of gas, such as hot combustion gas from an internal combustion engine (10), especially a diesel engine. As a first step the relative humidity of the gas is increased to a value close to sat...
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WO/1999/051323A1 |
A gas scrubbing and scrubbing liquor recovery apparatus (1) for the removal under wet scrubbing conditions of entrained particles and/or other contaminants from a contaminated gas or vapour phase. The apparatus is of the type including a...
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WO/1999/051324A2 |
An apparatus (1) for removal under wet scrubbing conditions, combined with centrifugal effects, of entrained particulate and other contaminants from a contaminated gas or vapour phase. The apparatus is of the type comprising a scrubbing ...
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WO/1999/046027A1 |
Method and apparatus are described for preventing particulate material from adhering to an inner surface of an inlet (10). A porous wall section (20) and external chamber (25) are adapted to receive a supply (26, 27) of inert gas to form...
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WO/1999/044722A1 |
An apparatus for reducing contaminants in a pulsating exhaust gas, particularly diesel exhaust, on board ships, which apparatus comprises a wet scrubber, which includes a chamber in a housing having a gas inlet and a gas outlet, a fluid ...
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WO/1999/043414A1 |
A system (10) for capturing HAPs/VOCs from an existing or planned air stream and destroying the contaminants in the air stream by microbial degradation is disclosed. In general, the system is composed of a reservoir (14) with a filter st...
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WO/1999/034899A1 |
An apparatus is provided for treating pollutants in a gaseous stream. The apparatus includes tubular inlets (70) for mixing a gas stream with other oxidative and inert gases for mixture and flame production within a thermal reactor (74)....
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WO1999019045B1 |
An ultra-filtration vacuum system (101) with a first liquid stage filter (103) has structure (113) to direct particle laden air into a vortex in a circular cyclone chamber (115) over a surface of a first liquid filter medium (125) to dir...
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WO/1999/026712A1 |
A gas-liquid contactor for removing gases and particulate matter from flue gases produced by processing operations of the type carried out in utility and industrial plants. The contactor is generally an open spray absorber having a spray...
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WO/1999/025963A1 |
An apparatus is disclosed for cleansing and filtering exhaust gas of a vehicle having an internal combustion engine. The apparatus includes an exhaust gas cleansing chamber (5) having an exhaust gas inlet (I) and an exhaust gas outlet (O...
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WO/1999/024148A1 |
This invention is related to a wet gas process which would not require a spray pump, and which would allow the absorption liquid to be recovered smoothly even if the flow velocity of the gases entrained to the liquid should decrease. A w...
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WO/1999/022837A1 |
The present invention relates to a mass exchange process, in which, in two or more contact stages, two or more liquid or gaseous phases are brought into contact with one another, one or more components being transferred between the phase...
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WO/1999/020372A1 |
A unique filtration device (10) which continuously removes gas phase contaminants from an air stream through the use of partially hollow wicking fibers (20) impregnated with a fine solid powder and a selected chemisorptive liquid (18) wh...
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WO/1999/020371A1 |
The invention relates to a novel and most efficient scrubber for the treatment of flue gases from power generation plants or from chemical plants, in order to absorb objectionable impurities, such as SO¿2?, SO¿3?, HCl, nitrous oxides, ...
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WO/1999/020368A1 |
The present invention relates to a system for removing dust from gaseous industrial waste. This system comprises an aerodynamic apparatus (1) for separating the flowing media which contain a plurality of components and constitute the gas...
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WO/1999/019046A1 |
An exhaust gas scrubber including a tank of scrubbing liquid into which a downcomer pipe(s) feeds inlet gas and fresh scrubbing liquid from a plenum. The inlet gas flows through slotted vortex generators forming fine-scale bubbles encaps...
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WO/1999/015258A1 |
In a water-based air cleaning apparatus, polluted air is passed through a water bath within the apparatus by means of a fan (24). The apparatus may comprise a container (10) having an inlet (22) for untreated air and an outlet (12') for ...
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WO/1999/010085A1 |
The invention relates to a purification device for separating gaseous or particulate constituents and to a swirl spray nozzle for the same. Swirl spray nozzles of the type commonly used for gas washers subject the gas current to a swirl ...
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WO/1999/008776A1 |
Particulate-containing hot flue gas (12) flows into a boiler (11) having a first chamber (14) and a second chamber (44). The first chamber (14) has a gas side (13) and a water side (24). The hot flue gas (12) flows into the gas side (13)...
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WO/1999/003785A1 |
The device comprises a motor-driven fan (1) which sucks atmospheric air through air/liquid contact blocks (2) consisting of a plastic grid and which are sprayed with the liquid to be treated. The blocks change position when receiving the...
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WO/1998/058729A1 |
Gases containing solubles or suspended particles are mixed with a scrubbing liquid in a mixing apparatus (10) which comprises a chamber (20) with a rotatable wheel (50) mounted therein. The gas is mixed with a scrubbing liquid by the rot...
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WO/1998/055204A2 |
A system for quenching and scrubbing hot partial oxidation gas and washing and cooling hot partial oxidation gas is disclosed. During the quenching and scrubbing phase, removal of particulate contaminants is facilitated by using a high p...
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WO/1998/055205A1 |
Device for purifying air and generating negatively charged ions, comprising: pumping means (3), a liquid tank (1), an air inlet (11), a liquid supply line (5), a spray head (7), liquid-air separation means (21, 22), and an air outlet (24...
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WO/1998/055803A1 |
The invention relates to a method for charging the combustion unit of a coal-fuelled power station in which the coal is fed into said combustion unit at least partially using a stream of flue gas. According to prior art, said flue gas st...
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WO/1998/050165A1 |
Disclosed is a dual feed injector comprising two spray nozzles housed concentrically in a compact nozzle body with inner and outer spray nozzles spraying over a broad flow range and a process of contacting materials with fluid discharged...
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WO/1998/047604A2 |
A heat recovery and pollution abatement process with stackless operation for removing the products of combustion from hot boiler flue gas (45) comprising the steps of passing said hot boiler flue gas through a cloud of steam or mist (46)...
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WO/1998/045031A1 |
An impeller is configured by disposing a plurality of blades extending from the center toward the periphery between discs opposed to each other. Two or more fluids are introduced through an inlet provided in or near the central position ...
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WO/1998/044837A1 |
A suction apparatus with water based filtration device for filtration of dust, said device having an upper and lower part, an inlet part (1) for dusty air and an outlet part for filtered air flow. The upper part is formed like a dome (6)...
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WO/1998/035745A1 |
Disclosed is a method for preventiong the formation of sulfuric acid aerosols in flue gaz cleaning plants, whereby said flue gas are preimpregnated with water before the sulfuric acid contained in the flue gas passes below the dewpoint, ...
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WO/1998/034716A1 |
A method of processing a desulfurization absorption liquid for effectively removing fine particles such as unburnt carbon from a desulfurization absorption liquid after gas-liquid contact with a combustion exhaust gas, and improving qual...
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WO/1998/033577A1 |
An open contact reactor is in the form of a tank (1), in which a plurality of spray nozzles (2) for spraying finely divided liquid are arranged and through which a gas is to be conducted in a main gas flow direction (P) in order to be co...
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WO/1998/033576A1 |
An open contact reactor is in the form of a tank (1), in which a plurality of spray nozzles (2) for spraying finely divided liquid are arranged and through which a gas is to be conducted in a main gas flow direction (P) in order to be co...
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WO/1998/033976A1 |
The invention concerns a machine for the continuous production of crepe paper, comprising a drying cylinder (12), a blade (20), and a reel winder (24), the paper sheet after dying being unstuck from the cylinder with a blade and wound on...
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WO/1998/032523A1 |
A flue gas scrubber is intended for scrubbing flue gases from an energy production unit. The flue gas scrubber comprises a scrubber housing (1) forming in its interior a scrubber chamber (2), into which a flue gas inlet and equipment for...
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