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7604685 |
Method for the selective extraction of acids
A process for the extraction of an unwanted material from a gas comprising the steps of introducing an extraction liquid into a fluid having an unwanted liquid therein to form a physical aerosol...
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7572320 |
Method and apparatus for removing high concentration ozone from a waste gas steam
A method for removing high concentration ozone from a waste gas stream is disclosed, which includes the following steps: (1) providing an apparatus, which includes: a tank having an input port, an...
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7288140 |
Wet process gas treatment apparatus
In a wet-process gas treatment method of treating an acid gas by using at least two treating columns connected in series, a ratio of the concentration of an acid gas at an outlet to a concentration...
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7147692 |
Air cleaning apparatus and method for cleaning air
The method involves contacting the air with an aqueous or non-aqueous liquid in a stand-alone system. The air may be brought into contact with the liquid using a number of different types of...
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7147689 |
Apparatus and method for removing volatile organics from vented gases
An apparatus and a method for removing volatile organic compounds from air that is vented from tanks and vessels containing hydrocarbon material. This invention also relates to a self-propelled...
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7044993 |
Microbicidal air filter
Microbicidal air filter for use with an air passageway, which includes an immobilization network including a plurality of fibers having an amount of at least one antimicrobial agent incorporated...
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7041156 |
Removing natural gas liquids from a gaseous natural gas stream
Process for removing natural gas liquids from a gaseous natural gas stream at elevated pressure to obtain a gaseous product stream having a reduced content of natural gas liquids is provided.
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7025808 |
Reduction of the aerosol-related discharge from a separation column and apparatus therefor
A process is proposed for reducing the aerosol-related discharge from a separation column ( 1 ) in which one or more components are separated off from a gaseous or liquid starting mixture (G) at...
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7025807 |
Method for absorbing vapors and gases from pressure vessels
The invention relates to a process for absorbing vapors and gasses by controlling overpressure in storage tanks during filling, transport and storing of fluids in liquid form. The process includes...
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6890508 |
Preparation of largely HBr-free HCI gas and largely HBr-free aqueous HCI solution
The present invention relates to a process for preparing largely HBr-free HCl gas and largely HBr-free aqueous HCl solution, which comprises the following steps:
a) providing HBr-containing HCl...
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6849107 |
Air filtration system
A new and improved air purifying apparatus having a housing that is adapted to be mounted in-line with an air duct, such as a return air duct of an air-conditioning system. The housing is designed...
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6821317 |
Wet-process gas treatment method and wet-process gas treatment apparatus
In a wet-process gas treatment method of treating an acid gas by using at least two treating columns connected in series, a ratio of the concentration of an acid gas at an outlet to a concentration...
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6726749 |
Apparatus and method for wet filtering machine exhaust
A method and apparatus for wet filtering machine exhaust is disclosed.
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6706092 |
Chemical/Biological decontamination filter
Modification, neutralization and/or decontamination of airborne biological and/or chemical contaminants from a breathable atmosphere by subjecting the breathable atmosphere to a filter which is...
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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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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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6631890 |
Packing for column
Column packing elements comprise and preferably consist of two individual components, namely a strong and rigid “outside” cage, and an “inside” variable component preferably formed of a...
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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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6623547 |
Method for removing sulfuric acid mist and apparatus for removing the same
The present invention provides a method for removing sulfuric acid mist wherein a gas containing sulfuric acid mist is bubbled into an absorbing solution through a gas diffuser having pores with an...
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6582498 |
Method of separating carbon dioxide from a gas mixture using a fluid dynamic instability
In a method of separating carbon dioxide from a gas mixture, a liquid solvent flows down an array of vertical wires with the gas mixture flowing over the liquid. Once on the wire, the liquid...
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6565629 |
Vapor-liquid contactor, cryogenic air separation unit and method of gas separation
In an vapor-liquid contactor 4 a for flowing down a liquid along the surface of a packing and contacting said liquid with the vapor while ascending the vapor, the improvement being characterized...
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6524843 |
Process and apparatus for the treatment of carbon dioxide with carbonic anhydrase
A process is disclosed for the extraction, production and purification of carbon dioxide gas. The process may also be employed for the production of aqueous and/or organic solutions of bicarbonate...
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6514306 |
Anti-microbial fibrous media
A fibrous element is described. The fibrous element includes a container member and an anti-microbial agent, wherein the anti-microbial agent is disposed within the container member. The container...
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6467758 |
Process for effecting mass transfer between a liquid phase and a gaseous phase
A process for effecting mass transfer between liquid phase and a gaseous phase in a filled-type column having an external shell which accommodates at least one filler-containing basket wherethrough...
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6398849 |
Process and apparatus for treating gaseous products of sol-gel manufacturing
A process deals with gaseous by-products and tarry materials during formation of sol-gel bodies. Gaseous products from a dehydroxylation reactor pass into a gas-fluid contactor. During the early...
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6398039 |
High efficient acid-gas-removing wicking fiber filters
An unique filtration device ( 10 ) which removes acidic contaminants such as H2S and SO2 from a fluid stream through the use of partially hollow wicking fibers ( 20 ) impregnated with an effective...
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6391621 |
Process for the treatment of organic gas components
To provide a process for treating gas for decomposing organic solvent and/or other organic gas contained in exhaust gas effectively and simply at low costs to remove the decomposition product of...
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6372022 |
Ionic purifier
Provided are ionic purifiers and methods that are suitable for providing an ultra-high-purity chemical to a semiconductor manufacturing process. The ionic purifiers include a vapor inlet...
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6361586 |
Process for cooling, demonomerizing and dedusting gas from a polymer drier
A process for cooling, demonomerizing and dedusting gas from a thermoplastic polymer drier includes directing the gas, containing thermoplastic polymer dust, monomers and water, into a packed...
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6352575 |
Apparatus and method for centralized recovery of volatile organic compounds
An appartus for removing VOC from a plurality of remotely located sources of VOC contaminated gas streams includes a plurality of liquid absorbers, each located near and communicating with a source...
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6312503 |
System to quench gasses and remove condensables
A method and apparatus for quenching and scrubbing a hot gas using a liquid in a single packed column while controlling mist formation. Hot gas is introduced at the bottom of the column and drawn...
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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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6245133 |
Gas condensing and cooling system
A gas condensing and cooling system for cooling hot vaporous emissions from a hot vaporous emissions source to a level below prescribed regulatory limits that includes a cooling unit that operates...
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6221133 |
Fluid separation packing
The invention provides a cellular packing including a vapor/liquid separation device that can be stacked vertically with minimum wasted space. The packing uses static vanes in each cell to direct...
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6197094 |
Device for improving the quality of indoor air
A device for improving the quality of indoor air comprising a casing (2) with an air inlet (3) and an air outlet (5), a member (7) arranged to cause air in a room, in which the casing is placed, to...
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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...
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6174498 |
Odor control system
An odor control system and method for removing unwanted odorous airborne constituents in which the gas stream is flowed through a compact, boxlike housing having a plurality of sequentially...
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6156102 |
Method and apparatus for recovering water from air
A process of separating water from ambient air involves a liquid desiccant to first withdraw water from air and treatment of the liquid desiccant to produce water and regenerated desiccant. Water...
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6063170 |
Air filtration system
This invention relates to an air filtration system including four principle segments interconnected in series as one unit through which contaminated air is passed. The first segment includes a...
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6019818 |
Combination quenching and scrubbing process and apparatus therefor
Quenching and scrubbing are accomplished simultaneously in a single downflow apparatus which functions both as an adiabatic quencher and a packed bed scrubber. A special feature of the...
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6019817 |
System and method for capturing and destroying HAP/VOC substances using microbial degradation
A system 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...
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6015494 |
Polyolefin oil/water separator
Polyolefin oil/water separator. An oil/water mist separator for use with exhausts from air compressors, air separators, air receivers, and air dryers, as examples, is described. The separator...
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6004381 |
Filtration device and method using absorption for the removal of gas phase contaminants
A filter device and technique are described which rely on absorption rather than adsorption for the removal of gas phase contaminants. A filter media is composed of wicking fibers which are...
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5954861 |
Process for recovery of methyl chloride
A process for separating a gaseous mixture comprising C 1 chlocarbons and noncondensible gases into a liquid component comprising the C 1 chlorocarbons and a component comprising the...
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5951744 |
Multicomponent depth odor control filter and method of manufacture
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 carbon...
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5925158 |
Gas recycle for float glass system
A method for cleaning and recycling protective atmosphere for a float glass facility wherein contaminated protective atmosphere is cooled, preferably while scrubbing out particulates, compressed,...
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5897689 |
Method for binding resin and tar substances in wet-cleaning and wet precipitation systems
A method and apparatus are provided for binding emulsified resin and tar substances in circulating water of a wet-cleaning and wet precipitation system for waste gas produced in the wood industry....
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5891221 |
Chemical reagent package and method of operation effective at removing a wide range of odors
A unique odor filtration device (10) which continuously removes odor causing gas phase contaminants from an air stream through the use of partially hollow wicking fibers (20) impregnated with a...
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5879434 |
Multi-washer and method of total cleaning of gases
The invention relates to a multi-washer, and to a method of cleaning synthesis gases obtained by the gasification of wastes of the most varied composition. Such multi-washers are used to remove...
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5863318 |
Absorption dryer
The invention relates to an absorption dryer having a new type of contact device, viz. a contact device including at least one fabric structure, whose threads are such that they can absorb and...
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