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Class 34/473 - Regeneration of absorption/adsorption material


Subclass of Class 34 - Drying and gas or vapor contact with solids
Definition: Process wherein the collected gas or vapor is removed from
No. of patents: 40
Last issue date: 03/20/2007


NumberTitleIssue Date
7191604Heat pump dehumidification system
A heat pump dehumidification system comprised of one of an air source heat pump system, a water source heat pump system, and a direct expansion heat pump system, with an extra interior air heat exchange means situated between the system's compressor's hot refrigeran...
03/20/2007
7070393Method for regulating a compressor installation with a dryer and compressor installation used therewith
The invention relates to a method for regulating a compressor installation with at least one compressor element (6) driven by a motor and, in the pressure conduit (11) thereof, a dryer (2) of the type comprising a pressure vessel (24) wit...
07/04/2006
7014683Method for the regeneration of humidity-laden process air and arrangement for carrying out said method
A method for the regeneration of humidity-laden drying cartridges includes heating to 220 to 300° C. and introducing it into a drying cartridge for regeneration. Subsequent cooling of the drying cartridge is achieved by a partial stream of air diverted from the dri...
03/21/2006
7000332Pulse purge regenerative gas dryer
A gas drying apparatus is provided having at least two desiccant-containing towers which alternately receive moisture-saturated air from an inlet to be dried during a drying phase, and then receive dry air during a regeneration phase to regenerate the desiccant whic...
02/21/2006
6871419Drying device and method for producing the same
The invention relates to a flat and activable drying device for reducing the moisture content of a gas space surrounding said device and to a method for producing a device of this type. The inventive drying device contains a flat matrix with at least one regenerable...
03/29/2005
6634119Adsorptive ethanol drying apparatus using microwaves and operating method thereof
Disclosed is an adsorptive ethanol drying apparatus in which microwaves are applied during the regeneration of an absorbent conducted in a continuous adsorption process for drying ethanol, so that the absorbent regeneration can be rapidly achieved at a te...
10/21/2003
6571489Method and device at a single chamber air drier
For a single chamber air drier in a compressed air system on a vehicle the volume of dry regeneration air required to regenerate a desiccant in the air drier has to be determined. This can be accomplished in that data regarding system pressure, outdoor te...
06/03/2003
6502328Seal for holding a microwave antenna at a pressurized tank of a gas drying system and method
A seal for an opening defined by a sidewall portion of the pressurizable tank. The tank contains desiccant for drying gases which pass through the desiccant. An elongate antenna extends from an interior portion to an exterior portion of the tank and is us...
01/07/2003
6434857Combination closed-circuit washer and drier
A combination closed-circuit washer and drier apparatus having a washing cycle and a drying cycle. The apparatus comprises a unitary housing having a tub and a tumbler within the tub, the tub also having an air inlet and air outlet which allows air to flo...
08/20/2002
6391091Hygroscopic monolith
A monolithic hygroscopic material shaped to facilitate a circulation flow of ambient air. The hygroscopic material may be used to remove various compounds from an ambient gas and may be reactivated to restore its drying capacity. The tendency of the mater...
05/21/2002
6336278Method and system for controlling airflow in a multiple bed desiccant drying system
A method and system for controlling airflow in a desiccant drying system having two desiccant beds. A first diverter valve (14A) communicates with each of the desiccant beds, a regeneration air inlet (22A), and a process air outlet (28A). A second diverte...
01/08/2002
6334265Process for the operation of a regenerator and regenerator
The invention relates to a process for the operation of a regenerator, hot and cold gas being repeatedly passed through a bulk material 4 with a maximum particle diameter Dmax which is received in the annular space 1 between a substantially cyl...
01/01/2002
6280504Hygroscopic monolith having a channel therethrough for modifying a gas therein by adsorption or desorption, and processes therefor
A hygroscopic material having at least one passageway or channel therethrough. In a dehumidifier embodiment, the material is shaped to provide a surface area to facilitate gas flow, and drying of an ambient gas by creating a chimney effect which facilitat...
08/28/2001
6226888Method and device for drying a gas
A method and device for drying a gas by means of adsorption on a desiccant able to be regenerated (11), whereby a portion of the dried gas is used for regenerating the desiccant. The gas portion used for the regeneration is heated in at least two successi...
05/08/2001
5979170Cooling bulk stored food grains
An apparatus for producing dried and dehumidified cooling air for bulk stored grains and other produce from which moisture evaporates comprising a multiplicity of narrow elongate beds 2 of desiccant between which a multiplicity of heat exchange channels 3...
11/09/1999
5926969Method and apparatus for regenerating a moist absorption medium
A method and an apparatus for regenerating a moist adsorption medium in a multiple vessel drying system utilize a pulsed control of a purge gas outlet valve during a regeneration phase. Internal heaters are embedded in the desiccant beds. During the regen...
07/27/1999
5896675Device with at least one storage container for material to be treated, preferably plastic material granules
A device has at least one storage container for material to be treated with at least one inlet line and at least one return line for circulating process air therethrough. At least one heating device for heating the process air is provided as well as at le...
04/27/1999
5815944Enclosure for drying and storing hosiery and method of use
Described are a device and methods for drying hosiery and other articles of clothing in a way which is aesthetically pleasing and efficient. In one embodiment, the invention provides an enclosure comprising a bottom portion; suspending means disposed abov...
10/06/1998
5765291Compressed-gas system with a gas drier
A compressed gas system comprises a pressure generator and a consuming installation, a gas drier disposed between the pressure generator and the consuming installation, and an in-flow line connecting the pressure generator to the gas drier. Desirably, an ...
06/16/1998
5566468Process and apparatus for regenerating a moist adsorption medium
A process and an apparatus for processing an adsorption medium which, by means of a hot gas, is freed of an agent, particularly moisture, adsorbed in the adsorption medium and is then cooled by a stream of gas or air. In order to avoid undesired heating o...
10/22/1996
5487225Apparatus and method for controlled drying of plastic pellets
Apparatus and a method for the controlled drying of polymer plastic pellets within a dryer hopper are provided. A sensor tree having a plurality of temperature sensors spaced vertically on the tree is positioned vertically within the dryer hopper so that ...
01/30/1996
5485686Hi-performance desiccant tower
The invention resides in a process air dryer system for plastics processing machines and method for drying process air comprising two desiccant towers repeatedly alternating between process and regeneration cycles. In addition to conventional bottom heate...
01/23/1996
5457897Method and apparatus for drying a gas stream
A process for drying a gas stream having a periodically fluctuating moisture content which assures that a predetermined dew point temperature is not exceeded at any time by conducting the gas stream through a moisture adsorbing medium having a reversible ...
10/17/1995
5446973Process and apparatus for driving away adsorbates
A process and an apparatus for desorption, e.g. desorbing a solvent, from a bedding (4) of adsorbent material (14), e.g. activated carbon, by means of a hot gas flow, e.g. air, so that a wave of concentration induces, which goes through the bedding by mea...
09/05/1995
5444029Process for destroying suspended particles
A method for regenerating an activated charcoal filter for a spray paint booth exhaust which includes the following steps: a passing a first gas flow of uncontaminated inlet air through the filter; preheating the first gas flow; combining the preheated first gas fl...
08/22/1995
5091358Regenerable CO2 /H2 O solid sorbent
This invention relates to a CO2 /H2 O sorbent comprised of silver oxide, a CO2 sorption promoter, and a support. Preparation of this sorbent consists of impregnating the support with a silver compound, converting the silve...
02/25/1992
5048200Process and apparatus for dehumidifying wet air
Wet air preferably from a liquid ring pump is dehumidified by the use of a desiccant liquid absorber. The heat released by condensation of water vapor in the absorption liquid will be taken up by the air. The air is further heated by water vapor produced ...
09/17/1991
4870760Method and an apparatus for drying bulk material, preferably of plastic granules
A method and an apparatus for drying bulk material, preferably of plastic granules, in a drying hopper by means of dry air, whereby the exhaust air escaping from the drying hopper is dried in a drier containing a humidity adsorption means and fed to the b...
10/03/1989
4858335Process for regenerating a moisture laden drying cartridge and apparatus for carrying out such a process
A process for regenerating a moisture charged drying cartridge and apparatus for carrying out the process. Drying cartridges are used to prepare drying air for drying synthetic plastics in the form of granulates or powders. Used drying air, which has beco...
08/22/1989
4745690Method of replenishing and/or preparing treating liquids
The invention relates to a method of replenishing and/or preparing water-displacing treating liquids or mixtures of these treating liquids and of water-absorbing liquids. Said liquids are contained in treating compartments and are used to remove water whi...
05/24/1988
4656757Method and plant for the desiccation of drying gas
A method and apparatus for removing moisture from a drying gas serving for the drying of solids, in particular granular plastics (10), which gas is dried in an adsorption drying agent after passing through the substance, then heated and finally conducted ...
04/14/1987
4601114Method and apparatus for demoisturizing and heating drying air for drying synthetic plastic material
Drying air to be circulated for drying plastic material is demoistured and heated by one of two separate adsorbing treatment units. When one of the two units is engaged in adsorbing treatment of the drying air, the other unit engages in a desorbing treatm...
07/22/1986
4509272Method and apparatus for drying moist exhaust air from one or more bulk material drying hoppers
The exhaust air from a bulk material drying hopper is conveyed through a chamber filled with an adsorbing medium and the air is fed back to the drying hopper in a closed circuit. The chamber is regenerated at intervals by a counterflow of drying gas. The ...
04/09/1985
4480393Vapor recovery method and apparatus
Vapor recovery system comprising vapor source, vapor concentrating system and refrigeration condensation system. Method comprises accumulating condensable vapor in vapor accumulator, and subsequently removing vapor from accumulator using carrier gas to pr...
11/06/1984
4413426Method and apparatus for drying moist exhaust air from one or more bulk material drying hoppers
The exhaust air from a bulk material drying hopper is conveyed through a chamber filled with an absorbing medium and the air is fed back to the drying hopper in a closed circuit. The chamber is regenerated at intervals in a second circuit. The air through...
11/08/1983
4367595Method and apparatus for drying products, especially corn or piece products
The invention is, on the one hand, a method for drying products, especially corn or articles, in the course of which the products to be dried are traversed by a drying gas, the moisture content of the drying gas is diminished by contacting it with a desic...
01/11/1983
4307519Method and apparatus for drying products with a closed gas stream and a desiccant liquid
A method of and apparatus for drying products with a gas stream passing the product to extract moisture therefrom and a contacting device producing at least one desiccant liquid layer in the vicinity of the product to be dried, which liquid layer removes ...
12/29/1981
4189848Energy-efficient regenerative liquid desiccant drying process
This invention relates to the use of desiccants in conjunction with an open oop drying cycle and a closed loop drying cycle to reclaim the energy expended in vaporizing moisture in harvested crops. In the closed loop cycle, the drying air is brought into c...
02/26/1980
3972129Apparaus for the adsorption treatment of a gaseous medium
An adsorption chamber is included into a conduit which further includes a blower and at least one heating arrangement; check valves are provided in the conduit which operate in dependence on the pressure conditions prevailing in the respective conduit sec...
08/03/1976
 
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