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7559982 |
Dust collector
A dust collector ( 10 ) has a main body ( 12 ), the interior of which is divided by a tubular partition wall ( 26 ) into a central filtration chamber ( 30 ) and an outwardly-located annular cyclone...
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7357831 |
Method and apparatus for controlling humidity and mold
An apparatus for reducing a relative humidity of air inside an enclosed space includes a portable outside air heat exchanger unit having a fan operative to create an air stream by drawing outside...
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7332007 |
Dusting device with multiple stream nozzles
A dedusting device 1 with a demister 15 advantageously arranged standing obliquely has a very compact construction because sufficient moistening or wetting of dust-containing crude air 24 is...
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7238332 |
Material and process for the filtration of nitric acid and NO2 from streams of air
A material for filtering NO 2 and nitric acid vapors from air over a wide range of humidities and temperatures including a porous hydrophobic substrate and an amine is provided.
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7108737 |
Method for the purification of corrosive gases
The present invention relates to a novel process for the preparation of high-purity chemicals with an extremely low particle count, such as ammonia gas, hydrogen fluoride and hydrogen chloride,...
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6890372 |
Denuder assembly for collection and removal of soluble atmospheric gases
A denuder assembly is adapted for the collection and removal of a gaseous analyte from a sample gas. The denuder includes a housing including an internal cavity, a sample gas inlet fluidly coupled...
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6863716 |
Trap-type air purification system
An air purification system which is well-suited to removing particles from outside air as the air flows into a cleanroom used in the fabrication of semiconductor integrated circuits. A housing...
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6846348 |
Compressor/drier system and absorber therefor
A system for delivering dry compressed gas is provided, the gas being separated from any entrained liquid lubricant and then passed through a moisture absorber column to interact with a...
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6699369 |
Apparatus and method for thermal desalination based on pressurized formation and evaporation of droplets
A method for removing dissolved solids, particularly salts, from water. An apparatus for performing the inventive method is disclosed. The aqueous solution to be treated, for example sea water, is...
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6645273 |
Method for removing impurity contents in the air
A method for removing impurity substances in air flowing in a flow passage includes filtering the air in a first filter for removing solid substances; cooling the air in a first cooler to not...
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6645447 |
Devices and method for chemical reactive filtration
A gas contaminant is filtered using fibers having internal cavities containing a chemically reactive oxidizing agent, an acid or base, a coordinating agent, a complexing agent, or a deliquescing...
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6627166 |
Gas filtering device
The invention concerns a device for filtering gas comprising a microporous or microfibrous adsorbent filter ( 6 ) and means for forcing an air flow between an exhaust hood ( 2 ) and outlet duct ( 3...
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6623715 |
Complex shaped fiber for particle and molecular filtration
An ultra-efficient multilobal cross-sectioned fiber filter for chemical contaminant filtering applications is described. An absorptive chemically reactive reagent, preferably an acid or base and in...
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6391093 |
Welding filtration system
A weld chamber has an air intake and an exhaust or evacuating ductwork for evacuating gases and other particles from the welding chamber. The evacuating ductwork is connected to a vacuum source to...
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6375724 |
Humidifilter
The invention is a humidification and filtration mask having an open cell foam reservoir attached to the facial or inner surface of a paper filtration mask. The reservoir provides for evenly...
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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...
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6312504 |
Rotary washer with obliquely positioned demister
For purifying dust-containing air, particularly in underground mining and tunnel construction, a dust separator 1 in the form of a rotary washer 1 is proposed. The drive 5 of said rotary washer 1...
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6248155 |
Combination humidifier and air purifier
A humidifier/air purifier including a housing defining a water reservoir, an air inlet opening and an air outlet opening; a generally V-shaped wicking element in fluid communication with the...
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6174349 |
Continuous effluent gas scrubber system and method
A method and apparatus is provided which continuously filters scrubbed gases prior to emission to the atmosphere. In particular, the method and apparatus can continuously scrub the effluent stream...
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6068686 |
Scrubber system and method of removing pollutants from a fluid
A scrubber for removing pollutants from a fluid and having an inlet for receiving the fluid and an outlet for emitting the fluid, the scrubber comprising a first scrubber coupled with the fluid...
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5935299 |
Apparatus and method of spray dryer/bag filter using circulating shield air
A spray dryer/bag filter apparatus for removing flue gas from an incinerator, which is structurized to re-circulate the purified gas as the shield air for protecting the slurry spraying nozzle...
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5893943 |
Method and apparatus for decreased undesired particle emissions in gas streams
The present invention discloses a process for removing undesired particles from a gas stream including the steps of contacting a composition containing an adhesive with the gas stream; collecting...
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5855649 |
Liquid additives for particulate emissions control
The present invention discloses a process for removing undesired particles from a gas stream including the steps of contacting a composition containing an adhesive with the gas stream; collecting...
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5846299 |
Recovering water soluble, volatile, organic compounds from bakery and other plant emissions
Recovery of ethanol from the exhaust stacks of a bread-baking oven is achieved by passing the stack emissions through an adiabatic humidifier where the emissions are humidified to near saturation....
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5843214 |
Condensable vapor capture and recovery in industrial applications
An apparatus for extracting condensable materials from exhaust gases which are produced by combustion. In a steam injected gas turbine driven powerplant, water is extracted from the exhaust gasses...
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5833736 |
Method for removing undesired particles from gas streams
The present invention discloses a process for removing undesired particles from a gas stream including the steps of contacting a composition containing an adhesive with the gas stream; collecting...
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5743939 |
Waste gas processing apparatus and method for semiconductor fabricating equipment
The waste gas processing apparatus and method thereof for semiconductor device fabricating equipment includes a water spraying chamber, and an exhaust tube. A demister and an external gas...
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5725635 |
Method to remove organic halogenated molecules from gaseous currents and relative plant
Method to remove organic halogenated molecules from gaseous currents arriving as a residue of industrial working processes or not, the gaseous current being delivered into a reactor (16) containing...
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5626651 |
Method and apparatus for removing suspended fine particles from gases and liquids
A method of removing particulates from a gas stream involves introducing the gas stream in a turbulent flow condition into and through a flow passage situated over spaced surfaces defining a...
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5618333 |
Method for volatile organic compound recycling
In the method of the instant invention, volatile organic compounds (VOCs) liberated in the course of solvent-based painting of a workpiece, are recovered. The atmosphere within a closed spray-booth...
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5589132 |
Method and device for purifying and moistening air
An air purifying and moistening device comprises a suction section having an air entrance opening, filter means at said opening and a motor-driven fan, an air purifying section including at least...
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5509946 |
Indoor air filter
An indoor air filter is provided. The indoor air filter has a housing including a water tank, an air pump, an air inlet, an air outlet, an air pump positioned between the air inlet and outlet, and...
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5505767 |
System and process for collecting sulfuric acid fumes
Sulfuric acid fumes generated in a manufacturing process are captured at the point of generation and transported at a flow rate of 3500 feet per minute to a filtration unit having a primary...
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5476536 |
Process for removing harmful hydrocarbons, particularly plant protective aerosols and vapors, from the fresh air supplied to a vehicle cabin
The present invention relates to a process for removing harmful hydrocarbons, particularly plant protective aerosols and vapors, from the fresh air supplied to a vehicle cabin. The loaded fresh air...
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5466270 |
Cyclonic centrifugal gas separator - absorber apparatus for boiler flue gas cleaning
Sulfur dioxide in flue gas exhaust stream from fossil fueled boiler, is absorbed by a regenerative organic solvent in a centrifugal gas separator-absorber.
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5429668 |
Process for removing emissions by a washing method
Disclosed is a process for removing emissions originated in the manufacturing industry, especially from polymerization operations and thermoplastic polymer processing operations by collecting air...
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5401297 |
Process for removing caprolactam emissions by a washing method
Disclosed is a process for removing emissions from caprolactam polymerization operations and thermoplastic polycaprolactam processing operations by collecting air containing the emissions,...
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5216898 |
Cooling apparatus
Cooling assemblies of the cooling apparatus each include an air atomizing spray nozzle located within a heated cooling chamber. An outer conduit interconnects the spray nozzle of each assembly and...
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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...
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5122165 |
Removal of volatile compounds and surfactants from liquid
A process system and apparatus for removal of toxic volatile organic compounds (VOCs), volatile inorganic compounds (VICs) and surfactants from a contaminated liquid stream, more particularly...
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5112585 |
Process of removing flue gas cleaning residues during the wet cleaning of flue gases by drying and construction
A process and apparatus for removing flue gas cleaning residues in a combustion system. The combustion system includes a combustion chamber; a hot gas filter located downstream from the combustion...
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5108469 |
Exhaust-air purifying unit
An exhaust-air purifying unit includes a housing, a first fan which is disposed in the housing and which draws exhaust air through the housing, and a heat exchanger which is disposed in the housing...
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5087432 |
Method for the separation of acid from acid-laden vapors
A method and apparatus are provided for treatment of acid fumes to reduce the acid content of the fumes to meet the stringent environmental requirements. The acid fumes are treated in a packed zone...
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5041144 |
Process of purifying raw fuel gas produced by a gasification of solid fuels
The raw gas produced by gasification is cooled to temperatures from 150° to 400° C. and has an NH 3 content of at least 0.1% by volume as it is fed to a spray drying zone. Recycle water is fed...
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5039315 |
Method and apparatus for separating particulates from a gas stream
A method and apparatus for separating particulate pollutants having a size range from submicrons to several tens of microns from a gas stream. The invention utilizes micron sized liquid particles...
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5018457 |
Waste treatment system
Method and apparatus for processing hazardous waste by incinerating the hazardous waste to a temperature sufficient to break down the hazardous waste; directing at least a portion of the exhaust...
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5004483 |
Particulate abatement and environmental control system
Improved techniques are provided for improving the environment of hazardous material abatement personnel operating within an enclosed working area while conducting, for example, asbestos removal...
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4979967 |
Contaminant transport apparatus
An apparatus and method for transporting hazardous, toxic or nuisance materials from the controlled chambers of removal sites to disposal sites and containing these materials by controlling the...
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4959085 |
Process and installation for the treatment of a stream of gas containing pyrophoric dust
A stream of gas containing pyrophoric dust and oxyen is passed through a chamber that is equipped at the inlet with burners and sprinklers the operation of which is controlled in such a way that...
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4929258 |
Method used to purify smoke pollutant
The invention is associated with a method used to purify smoke pollutant. The smoke pollutant can be introduced to several hollow tanks filled with plenty of water droplets. The smoke pollutant can...
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