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Patent No. 5687752

Dining Table Having Integral Dishwasher

A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.

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Class 423/232 - Utilizing carbonate as reactant


Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Processes in which the treating material comprises a carbonate
No. of patents: 149
Last issue date: 04/05/2011


1        
NumberTitleIssue Date
7919064Capture and sequestration of carbon dioxide in flue gases
There is provided a process for the capture and sequestration of carbon dioxide that would otherwise enter the atmosphere and contribute to global warming and other problems. CO2 capture is accomplished by reacting carbon dioxide in flue gas with an alkal...
04/05/2011
7910079Method and an apparatus for removing carbon dioxide from sulphur dioxide containing flue gases
A method and an apparatus for removing carbon dioxide (CO2) from sulphur dioxide containing (SO2) flue gases, wherein the flue gases are washed with washing solution in a scrubber, which comprises at least two washing stages. In the first washi...
03/22/2011
7235677Method of improving the operation of an existing ethylene oxide manufacturing process and system
Described is a method of improving the process and operation of an existing system for manufacturing ethylene oxide. The ethylene oxide manufacturing system includes an epoxidation reactor system containing a volume of high activity epoxidation catalyst. The method ...
06/26/2007
7094722NOcatalyst and method of suppressing sulfate formation in an exhaust purification system
The activity and durability of a zeolite lean-bum NOx catalyst can be increased by loading metal cations on the outer surface of the zeolite. However, the metal loadings can also oxidize sulfur dioxide to cause sulfate formation in the exhaust. The present invention...
08/22/2006
7077297Method for preparation of biocides mixed with carbon dioxide in a pressurized container
This invention relates to a method for the preparation and metering of substances, mixtures of substances and/or compounds in general, characterized by bacteriostatic and/or bactericidal activity, using a single pressurized container in which the substances, mixture...
07/18/2006
7043912Apparatus for extracting exhaust heat from waste heat sources while preventing backflow and corrosion
In a waste heat recovery system wherein a heat exchanger derives heat from an engine exhaust, a venturi is fluidly connected to an engine exhaust port so as to thereby increase the flow rate and reduce the pressure in a manifold which is fluidly connected between th...
05/16/2006
6929680CO2 separator method and apparatus
A process for concentrating and recovering methane and carbon dioxide from landfill gas includes absorption of commonly occurring pollutants using a carbon dioxide absorbent which itself may be in situ recoverable constituent. Separated methane is concentrated into ...
08/16/2005
6866702Device for absorbing carbon dioxide, and a method for absorbing carbon dioxide
The present invention relates to a device for absorbing carbon dioxide, which is equipped along an automobile exhaust pipe and a factory chimney. The present invention also relates to a method for absorbing carbon dioxide. According to the present invention, there i...
03/15/2005
6485697Methods for removing sulfur containing compounds and carbon dioxide from gas mixtures
Process for the removal of carbon dioxide (CO2) and minor sulfur compounds--mainly hydrogen sulfide (H2 S)--from a sour gas mixture, such as natural gas, iron ore reduction gas, etc. The process uses a continuous absorption process w...
11/26/2002
6416568Hydrogen recycle and acid gas removal using a membrane
The present invention is a process to recover a high purity, high pressure hydrogen gas stream from synthesis gas. The synthesis gas is contacted with a membrane that separates the synthesis gas into a hydrogen-enriched permeate and a hydrogen-depleted no...
07/09/2002
6387337Carbon dioxide capture process with regenerable sorbents
A process to remove carbon dioxide from a gas stream using a cross-flow, or a moving-bed reactor. In the reactor the gas contacts an active material that is an alkali-metal compound, such as an alkali-metal carbonate, alkali-metal oxide, or alkali-metal h...
05/14/2002
6365099In situ gas scrubbing method and system for odor and corrosion control in wastewater collection systems
A process and system for reducing the concentration of odorous contaminants, primarily hydrogen sulfide, in the vapor spaces of sewage handling and treatment systems, primarily the vapor spaces of sewage trunk lines, by injecting a fine spray, mist or fog...
04/02/2002
6348129Treatment of pulp mill condensate with ozone
An aqueous stream such as pulp mill condensate containing one or more sulfur compounds is treated by (a) reacting an aqueous feed stream containing TRS contaminant selected from the group consisting of hydrogen sulfide, methyl mercaptan, dimethyl sulfide,...
02/19/2002
6312655Method for the removal of carbon dioxide from a process gas
The invention relates to the absorption of carbon dioxide from a process gas using a solution of potassium carbonate, potassium bicarbonate, diethanolamine and potassium vanadate, followed by desorption of the carbon dioxide from the solution and recyclin...
11/06/2001
6306357Process and apparatus for absorbing hydrogen sulphide
A process and an apparatus in black-liquor evaporation for the selective removal, by liquid absorption, of hydrogen sulphide from the generated gas (3) containing hydrogen sulphide as well as carbon dioxide, an disclosed. In the process, the gas is counte...
10/23/2001
6235256Process and device for the scrubbing acidic gases
In a process and corresponding device for scrubbing acidic gases out of flue gases using adsorbent-containing suspensions, the flue gases are conveyed into a scrubber with narrowing channels and accelerated in a first stage in a direction opposite to the ...
05/22/2001
6218174Purification of fluids and control of solute concentrations through selective degasification
Degassing is accomplished by driving a gas-containing solution to a subatmospheric pressure approximately equal to the solution vapor pressure, and maintaining the subatmospheric pressure notwithstanding evolution of gas from the solution. This may be acc...
04/17/2001
5972303Olefin purification
A process for purifying a fluid stream contaminated with carbon dioxide is provided which comprises contacting, under conditions sufficient to substantially remove the contaminated carbon dioxide from the fluid stream which contains at least one C2
10/26/1999
5853680Process for the removal of highly concentrated carbon dioxide from high-pressure natural gas
This invention relates to a process for removing highly concentrated CO2 from high-pressure natural gas and recovering it in a high-pressure state. This process comprises the absorption step of bringing high-pressure natural gas having a CO
12/29/1998
5853681Absorbents
Absorbents, suitable for absorbing sulphur compounds such as hydrogen sulphide from gases and liquids, in the form of shaped units having an average size within the range 1-10 mm and containing at least 75% by weight of an absorbent material comprising co...
12/29/1998
5681503Flat sheet CO2 sorbent
A technique for preparing a flat sheet, high capacity CO2 sorbent and sorbent assembly is disclosed. The sorbent, which is in the form of a sheet, can be a metal oxide/alkali metal carbonate regenerable sorbent, while the sorbent assembly is co...
10/28/1997
5648054Double loop liquid-liquid H2 S removal process
A process and system for removal of hydrogen sulfide from a hydrogen sulfide-containing gaseous stream comprising contacting the hydrogen sulfide-containing gaseous stream with a nonaqueous phase sorbent under conditions suitable for forming a hydrogen su...
07/15/1997
5602279Primary hindered aminoacids for promoted acid gas scrubbing process
A gas treating composition prepared by reacting 2-amino-2-methyl-1-propanol with KOH, diluting with water and adding K2 CO3 and a vanadium corrosion inhibitor....
02/11/1997
5558698Acid gas fractionation process
Improved processes for treating gas streams containing hydrogen sulfide and carbon dioxide, particularly natural gas streams. The processes rely on the availability of a membrane that maintains high hydrogen sulfide/methane selectivity and adequate hydrog...
09/24/1996
5556449Acid gas fractionation process for fossil fuel gasifiers
Improved processes for treating gas streams containing hydrogen sulfide and carbon dioxide, particularly gas streams from fossil fuel gasification processes. The processes rely on the availability of a membrane that maintains high hydrogen sulfide/methane...
09/17/1996
5556605Method of seperating sulphur compounds
A method of separating sulphur compounds out of a gas containing carbon dioxide and hydrogen sulphide, in a gas washing system, said gas being obtained by gasification of spent cellulose liquor. According to the invention the gas washing system has a gas-...
09/17/1996
5480625Enhancing carbon dioxide sorption rates using hygroscopic additives
Carbon dioxide sorption using a metal oxide-alkali metal carbonate sorbent typically requires a relative humidity of greater than 25% in order to obtain reaction rate constants of about 2.0 to 3.0 sec.1 (see Equation 6). The incorporation of al...
01/02/1996
5454968Flat sheet CO2 sorbent
A technique for preparing a flat sheet, high capacity CO2 sorbent and sorbent assembly is disclosed. The sorbent, which is in the form of a sheet, can be a metal oxide/alkali metal carbonate regenerable sorbent, while the sorbent assembly is co...
10/03/1995
5445669Membrane for the separation of carbon dioxide
A membrane for the separation of carbon dioxide is disclosed which includes a hydrogel film of a cross-linked, vinyl alcohol/acrylic acid salt copolymer impregnated with an aqueous carrier solution containing a carbon dioxide carrier dissolved therein. A ...
08/29/1995
5427751Method for using high capacity unsupported regenerable CO2 sorbent
A technique for preparing an unsupported, high capacity CO2 sorbent. The sorbent is comprised of silver carbonate, alkali metal silicate and alkaline earth metal salt binders for structural integrity, and alkali metal carbonate for CO2
06/27/1995
5354545Process for the removal of sulphur compounds from gases
A process for the removal of sulphur compounds from a gaseous effluent, comprising the steps of: a) contacting the gaseous effluent with an aqueous solution wherein sulphur compounds are dissolved; b) adjusting the concentration of buffering compounds suc...
10/11/1994
5214019Enhancing carbon dioxide sorption rates using hygroscopic additives
Carbon dioxide sorption using a metal oxide-alkali metal carbonate sorbent typically requires a relative humidity of greater than 25% in order to obtain reaction rate constants of about 2.0 to 3.0 sec.-1 (see Equation 6). The incorporation of a...
05/25/1993
5145658Reclaiming of heat of reaction energy from an alkaline scrubbing solution used in acid gas removal processes and apparatus therefor
A process and apparatus is disclosed for reclaiming of heat of reaction energy from an alkaline scrubbing solution used in acid gas removal processes and apparatus therefor. The heat recovered is used to produce steam which may then be employed to assist ...
09/08/1992
5113772Suppression of dioxin production in the incineration of waste material
Formation of toxic polychlorinated dibenzo-p-dioxins and other chlorinated compounds by catalytic reactions on flyash produced in the process of solid waste incineration is a universal phenomenon. By providing inhibitors which adsorb on the flyash prior t...
05/19/1992
5104630Processes for removing carbonyl sulfide from hydrocarbon feedstreams
Processes are disclosed for purifying hydrocarbon feedstreams, e.g, natural gas, to remove carbonyl sulfide and other acid gases such as carbon dioxide and hydrogen sulfide. The processes employ a conversion step to convert carbonyl sulfide to hydrogen su...
04/14/1992
5102635Method for improving the long-term stability of H2 S absorption-oxidation process solutions
The long term stability of process solutions used in H2 S-to-sulfur absorption/oxidation process, wherein the incoming hydrogen sulfide-containing gas stream is contaminated with hydrocarbons and/or organic oxygenated compounds and the process ...
04/07/1992
5102638Process for the selective absorption of chlorine from CO2 -containing off-gases
The invention provides a process for the selective absorption of chlorine from CO2 -containing off-gases, which comprises washing the off-gases with an aqueous solution which contains 0.1-10% by weight of NaHCO3 and 0.01-5% by weight...
04/07/1992
5100633Method for scrubbing pollutants from an exhaust gas stream
Method of treatment of a hot exhaust gas stream containing acid forming pollutants to produce a scrubbed exhaust and useful or benign by-products. The gas stream is first passed through a heat exchanger and then reacted with an aqueous, alkaline scrubbing...
03/31/1992
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
4971776Process for the recovery of NO from the waste gas resulting from the production of ammonium nitrite
A process for the complete recovery of NO from the waste gas of ammonium nitrite production, in which gases containing nitrogen oxides are absorbed in a first stage in a solution of ammonium carbonate and/or ammonium bicarbonate to form ammonium nitrite s...
11/20/1990
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