Class 95/196 - By filtration

Subclass of Class 95 - Gas separation: processes
Definition: Process in which the contact liquid containing the solid
No. of patents: 36
Last issue date: 01/17/2012

Number	Title	Issue Date
8097068	Method for treating a diamine absorbent stream A diamine absorbent that contains heat stable salts is regenerated using an ion exchange process wherein the concentration of heat stable salts in the feed stream provided to the cation exchange unit is limited. ...	01/17/2012
8038773	Integrated capture of fossil fuel gas pollutants including COwith energy recovery A method of reducing pollutants exhausted into the atmosphere from the combustion of fossil fuels. The disclosed process removes nitrogen from air for combustion, separates the solid combustion products from the gases and vapors and can capture the entire vapor/gas ...	10/18/2011
7875103	Sub-micron viscous impingement particle collection and hydraulic removal system Systems and related methods for separating liquids and particulate from a flowing gas stream include a separation vessel containing a liquid injector, an impingement separator or a helical impingement separator, and a waste liquid recovery tank. Separated liquid and...	01/25/2011
7585354	Wet scrubbing apparatus and method In order to provide a phase detector and a method of phase detection which are distinguished by greater sensitivity and simple implementability, at least one differential signal of two input signals (Ua; Ub) may be formed over at least one pred...	09/08/2009
7405069	Method for removing a nitrogen oxide from a gas The invention pertains to a method and an apparatus for removing a nitrogen oxide (NOx) from a gas by bringing the gas into contact with a scrub liquid in a scrubber for converting the nitrogen oxide into molecular nitrogen (N2), wherein the sc...	07/29/2008
7374604	System and method for flue gas treatment The present invention discloses a system for flue gas treatment, wherein the provided system comprises a quench module, a first control module, a filter collecting module, a wet scribing module and a regeneration module. In this system, parts of the particles contai...	05/20/2008
7338604	Process for recycling paint flush solution A process for removing solids from a water-based flush solution, The process includes: providing dirty flush solution; directing the dirty flush solution to a treatment vessel; adding one or more chemicals to the treatment vessel to form a treated flush solution; se...	03/04/2008
7337788	Compositions useful for cleaning solvent-based paint from paint delivery installations Uncured solvent-based paint may be flushed from a paint delivery installation using a substantially non-aqueous composition containing one or more organic solvents and a polymer having acid and/or amine functional groups. ...	03/04/2008
7293473	Method and apparatus for sampling biological particles in an air flow A method and apparatus for sampling potential biohazard particles in an air flow tests for biological particles in the air flow; collects a sample of particulate matter from a specific portion of the air flow in response to an indication in the step of sensing of th...	11/13/2007
7294268	Metal containing waste water treatment method and metal containing waste water treatment equipment This metal containing waste water treatment method introduces a metal containing waste water from above into a submerged membrane separation tank 1 in which a reaction section 2, a submerged membrane section 3 having a submerged membrane 5	11/13/2007
7119241	Process for handling catalyst from an oxygenate to olefin reaction The present invention is a process for removing catalyst fines from an effluent stream in an oxygenate to olefin process. Specifically, the catalyst fines in the effluent stream are separated from the effluent stream. Then the carbonaceous deposits are removed from ...	10/10/2006
7094001	Controlling emissions during asphalt paving The invention is a method and system for controlling emissions, such as malodorous emissions that form during asphalt paving. The method includes spraying an emission-causing substance (such as an asphalt substance) on a surface while moving over the surface, and re...	08/22/2006
6972120	Method of removing mercury from flue gases A method of removing metallic mercury and ionic mercury from flue gases, especially of a power plant, is provided. A gas that contains sulfur dioxide, or other adequate amounts of sulfur in the form of H2S or COS, and a gas that contains hydrogen, are con...	12/06/2005
6953495	Low-energy venturi pre-scrubber for an air pollution control system and method A low-energy venturi pre-scrubber optimized for removing abrasive particles from a gaseous effluent is disclosed. While venturi scrubbers are efficiently used for at removing entrained particulates in air pollution control systems, they can be damaged due to the abr...	10/11/2005
6926757	Method for the concentration of spent acid The invention relates to a method for the concentration of the spent acid produced in connection with the scrubbing smelter or roaster gas. The hot gas produced is scrubbed first by dry and then by wet separation, and the scrubbed gas is conducted to the manufacture...	08/09/2005
6506348	Heavy oil fired boiler exhaust gas treatment apparatus There is provided a heavy oil fired boiler exhaust gas treatment apparatus which removes soot and dust and SO3 in the heavy oil fired boiler exhaust gas efficiently at a low cost without using an excessively large apparatus. The treatment appar...	01/14/2003
6425942	Method and device for drying a gas The gas which is to be dried is fed into an absorber (1) where it is brought into contact with a glycol in countercurrent. The glycol absorbs the moisture from the gas and impurities. The glycol laden with water and impurities is removed from the absorber...	07/30/2002
6336958	Method for purifying gas loaded with dust A Method for purifying gas loaded with dust particles of various sizes, which method includes the following steps: (a) the gas loaded with dust particles is subjected to wet gas scrubbing at or above the dew point, during which operation any acid gaseous compo...	01/08/2002
6197093	Method and apparatus for the purification of waste gas of a drying apparatus The exhaust gas enters via an exhaust gas line into a washing apparatus. In the washing apparatus solid matter particles are predominantly separated. The pre-washed exhaust gas flows from the washing apparatus through a droplet removing conduit to a trick...	03/06/2001
5919288	Method for suppressing foams in booth circulating water In a water recycle painting system wherein a water paint is spray painted on an object to be painted in a painting booth, and wherein over sprayed paint captured in booth circulating water is condensed and recovered to be mixed with the water paint for re...	07/06/1999
5551965	Apparatus for separating and removing a dangerous substance from an exhaust gas In order to separate and remove a dangerous substance such as yellow phosphorus from exhaust gas generated in a semiconductor fabricating process by chemical vapor deposition, the exhaust gas is bathed in operating oil of a cooled oil tank of an oil-seale...	09/03/1996
5378265	Apparatus for removing foreign particles for air Air containing foreign particles is admitted into a cylindrical portable housing at the input end and cleaned air is discharged from the outlet end. A liquid supply has an open bath at the bottom of the housing. A source of liquid is controlled to supply ...	01/03/1995
5250191	Paint denaturant This invention relates to a process for detackifying and dispersing paint solids for example obtained from paint overspray in enclosed areas such as paint spray booths. The process includes contacting an oil-in-water emulsion with an aqueous solution wher...	10/05/1993
5236598	Methods for removing solids from water-based paint systems A novel method of treating circulating water containing over-sprayed, water-borne paint, such as in a paint spray booth operation, comprises adjusting the alkalinity of the paint spray booth water to between about 20 and 600 ppm, on a calcium carbonate ba...	08/17/1993
5217508	Waste gas treatment method and system A waste hot gas stream is cleaned by a method and an apparatus implementing the method by traveling the stream through a heat exchange station in indirect heat exchange contact with the heat exchange fluid, and traveling the cooled stream through a liquid...	06/08/1993
5192345	System and process for the purification treatment of smokes, dusts and exhaust gases after combustion The system according to the present invention comprises a hood or a cone provided above smokestacks, industrial chimneys, flues and nearby exhaust-pipes, for leading smokes, dusts and gases, by means of a suction fan, into a serpentine duct provided with ...	03/09/1993
5123936	Process and apparatus for the removal of fine particulate matter and vapors from process exhaust air stream This invention relates to a process and apparatus for removing fine particulate matter and vapors from a process exhaust air stream, and particularly those emitted during post-production curing or post-treatment of foamed plastics, such as polyurethane fo...	06/23/1992
4854947	Paint detackification using oil-in-water emulsions from oily waste treatment plants A method of detackifying oversprayed paints chosen from the group consisting of high solids enamels, clear coats, two-phase urethane paints, and water or solvent borne base coats which comprises the contact of said oversprayed paint with an oil-in-water e...	08/08/1989
4793835	Device for filtering and/or moistening a stream of air The device directs a stream of air onto the top surface of a supply of water contained in a tank. The air is directed onto the water by a diffuser so as to create a turbulence on the surface of the water. The diffuser comprise a plenum which hovers over t...	12/27/1988
4437866	Pollution harness A system and method for removing flue gasses like smoke from the atmosphere including mixing the smoke with water and then reducing the contaminants like bacteria from the water where the water is used in conjunction with chemical additives for removing e...	03/20/1984
4290783	Process for removal of water soluble particulate material from gas streams The present invention relates to a new and improved process for the removal of urea entrained in air streams by passing the particulate-laden air through a mist eliminator or a demister, the surface of which is continuously contacted with multiple water s...	09/22/1981
4277257	Process for preventing scale deposition A scale deposition from an aqueous slurry of naphthoquinone and phthalic acid can be prevented by adding fine crystals of phthalic acid to the aqueous slurry of naphthoquinone and phthalic acid collected, which slurry is obtained by contacting a gas resul...	07/07/1981
4138231	Method of wet-cleaning gases containing sulfur dioxide, halogens and arsenic from pyrometallurgical treatment of sulphidic materials The invention comprises a method of wet-cleaning gases containing sulfur dioxide, halogens together with arsenic and/or arsenic compounds obtained in a pyrometallurgical treatment of sulfidic materials. The gases are washed in a diluted sulfuric acid circ...	02/06/1979
4002490	Paint spray booth chemical treatment Polypropylene glycols having an average molecular weight of from 100 to 1,000 have been found useful in increasing the operational efficiency of paint and lacquer detackifying compositions consisting of a cationic polymer and the water-soluble salt of an ...	01/11/1977
3990869	Process for controlling pollution and contamination in paint or lacquer spray booths Water used to wash the air in paint or lacquer spray booths in order to remove over-sprayed paint or lacquers is treated with a blend of a polycationic water dispersible polymer and a compound of an amphoteric metal to reduce the tackiness of paint and la...	11/09/1976
3957464	Process for removing particulates from a gas An essentially adiabatic process for the crossflow scrubbing of particulate material from a gas is disclosed in which the scrubbing liquid is recirculated without cooling. By a combination of a minimum gas temperature of about 150°F., saturation conditio...	05/18/1976

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Class 95/196 - By filtration