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6793712 |
Heat integration system for natural gas liquefaction
A pretreatment system for natural gas liquefaction employing heat integration for more efficient and effective natural gas temperature control. The pretreatment system expands the natural gas prior...
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6605138 |
Apparatus and method for exclusively removing VOC from regeneratable solvent in a gas sweetening system
A method for removing residual VOC components from a fluid stream used in the sweetening of sour gas at gas processing plants. In a retrofit configuration, the method includes interposing a...
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6533843 |
Two stage flash for hydrocarbon removal
Scrubber liquid from an ethylene oxide process rich in bicarbonate and dissolved ethylene is flashed in two stages to separate ethylene containing vapor from bicarbonate rich solution reduced in...
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6488742 |
Method for regenerating a loaded wash liquid from a gas desulfurization facility
Process for the removal of metal cabonyls before regeneration of a desulfurization wash liquid, which includes removing a part of the carbon monoxide from the wash liquid, conversion of the metal...
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6210467 |
Carbon dioxide cleaning system with improved recovery
A system for cleaning a carbon dioxide gas stream of water soluble contaminants with improved recovery of carbon dioxide wherein the water soluble contaminants are removed into countercurrently...
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6120582 |
Process for treating the scrubbing water from the gas scrubbing process in an iron ore reduction plant
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6102987 |
Process for the removal of CO.sub.2 and sulfur compounds from industrial gases, in particular from natural gas and raw synthesis gas
A process for the removal of CO 2 and sulfur compounds from natural gas and raw synthesis gas wherein N-formylmorpholine and N-acetylmorpholine mixtures are used as the desorbent at temperatures...
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6004379 |
System for quenching and scrubbing hot partial oxidation gas
A scrubbing tower and high pressure settler assembly, and the process for using same to remove particulates from a hot partial oxidation gas stream is disclosed. The scrubbing tower and high...
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5861051 |
Process for removing carbon dioxide from gas mixture
This invention relates to a process for the separation of carbon dioxide and hydrogen sulfide from gases using a promoted methyldiethanolamine (MDEA) solution. In one broad respect, this invention...
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5782958 |
Process for the dehydration, deacidification and stripping of a natural gas, utilizing a mixture of solvents
A process for the dehydration, deacidification and stripping of a gas, characterized in that: (a) at least one fraction of the gas is contacted with an aqueous phase containing methanol, the...
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5766423 |
Dehydration of gases with liquid desiccants
A gas drying method is disclosed in which gas streams are dehydrated to low dew points by contacting the wet gas with a dry liquid desiccant, with the liquid desiccant regenerated by heating it in...
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5741350 |
Recovery of hydrocarbons from polyalkene product purge gas
Hydrocarbons are recovered from the product purge gas in an alkene polymerization process by absorption of heavier hydrocarbons from the purge gas by an intermediate hydrocarbon stream to yield a...
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5735936 |
Process and apparatus for eliminating at least one acid gas by means of a solvent for the purification of natural gas
The process comprises a cold absorption step 2 for removing acid gas from natural gas using a solvent phase at a pressure P 2 which delivers a purified gas 5; a step for depressurizing and...
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5551972 |
Absorption process without external solvent
An absorption process for separating a feed gas stream having components with a spectrum of volatilities including volatile (light) components, intermediate volatility components, and least...
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5490873 |
Hydrocarbon emission reduction
An improved process for the glycol dehydration of water-containing natural gas comprises contacting the natural gas and glycol in a contacting zone to produce a dried natural gas and a water-rich...
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5447554 |
Gas compression method and apparatus
A method for pressurizing a gas using a liquid. The method comprises providing a liquid pump; providing a liquid for introducing to the liquid pump; introducing a gas to the liquid prior to the...
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5192341 |
Selected solvent composition and process employing same
In an operation wherein a gaseous stream, such as an air stream, is contacted with a liquid selective solvent for a component of the gaseous stream for the removal of said component from the...
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5019138 |
Overspray removal systems for coating booths or the like
A method and apparatus for the removal of overspray in coating booths. The systems include a circulating solvent which dissolves the overspray carrier and transports the non-soluble components of...
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4875909 |
Method for recovery of ethylene oxide
In the recovery of ethylene oxide from the gas resulting from catalytic gas-phase oxidation of ethylene with a molecular oxygen-containing gas and consequently containing ethylene oxide, a method...
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4715868 |
Vapor recovery system
A process for the recovery of hydrocarbon vapors from an air-hydrocarbon mixture wherein the inlet air-hydrocarbon mixture is passed to an absorber vessel in which is fed a vacuum flashed liquid...
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4711093 |
Cogeneration of electricity and refrigeration by work-expanding pipeline gas
Cogeneration of electricity and saleable refrigeration is achieved by passing pipeline gas with added methanol through a turbo-expander coupled to an electrical generator so that moisture in the...
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4427420 |
Pumping method and apparatus
The present invention makes use of spent or loaded process liquid at relatively high pressure to power a pump for recirculation of regenerated process liquid for gas contact in a relatively high...
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4383838 |
Process and apparatus for cleaning solvent-containing exhaust air
Solvent-containing exhaust air is cleaned and the solvent is recovered in a two-stage scrubbing process, in which the first stage comprises (a) scrubbing solvent-containing exhaust air in...
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4318716 |
Process of regenerating laden absorbents
An improvement in a process of regenerating a hydrocarbon laden water miscible high boiling organic solvent obtained by scrubbing a hydrocarbon-containing gas with said water miscible high boiling...
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4249917 |
Sterilization gas separation process
A process for the separation of a second mixture consisting essentially of ethylene oxide and dichlorodifluoromethane from a first mixture comprising ethylene oxide, dichlorodifluoromethane, and...
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4188195 |
Treatment of waste liquor
A waste liquor treatment system comprising an evaporator in combination with a gas cooler, the evaporator providing fractional distillation of waste liquor, thereby separating the liquor into its...
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4182659 |
Method of concentrating a water-containing glycol
Water-containing glycol is heated first at atmospheric or superatmospheric pressure to partially remove water and concentrate the glycol and is then heated at subatmospheric pressure to further...
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4054431 |
Method and device for regenerating an impure effluent fluid and product obtained thereby
A method of processing an impure effluent fluid provided in two gaseous and liquid phases, respectively, for regenerating same to a pure re-usable substance, consisting in converting the gaseous...
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4043769 |
Process for recovering a solvent vapor
A process is provided for recovering a solvent vapor from a mixed gas of the solvent vapor and air. From a vessel storing a mixed gas of the solvent vapor and air, the mixed gas is passed through a...
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3907524 |
Vapor recovery method for controlling air pollution
A vapor recovery method is disclosed wherein gases contaminated with vapors from volatile organic liquids are recovered by contacting the vapor-containing gas in an absorbing tower with a sponge...
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3811246 |
CLOSED LOOP SYSTEM FOR THE ELIMINATION OF FLUORINE POLLUTION FROM PHOSPHORIC PLANTS
A process for recovering fluorine compounds from the evaporative concentration of aqueous phosphoric acid, without atmospheric pollution, is disclosed, wherein the vapors produced by concentrating...
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3777456 |
EXTRACTING WATER FROM THE ATMOSPHERE
Water is extracted from the atmosphere by circulating a large volume of a solution of lithium chloride in water continuously over a Munters packing in a tower of conventional cooling tower design....
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3648434 |
GLYCOL REGENERATION USING EDUCTOR FLASH SEPARATION
Reconcentration of liquid desiccant, such as glycol, used in the dehydration of gaseous steams, is accomplished by aiding the separation of water subsequent the reboiler by an induced vacuum into a...
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3471998 |
PROCESS FOR PURIFYING FORMALDEHYDE
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3321890 |
Method for drying a fluid stream and reconcentrating the absorbent
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3305308 |
Process for isolating hydrocyanic acid or mixtures of hydrocyanic acid with nitriles from gas mixtures containing ammonia
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3201201 |
Process for treating the effluent gas obtained by the oxidation of a hydrogen halide gas
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3169052 |
Low temperature purification of ethylene
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3064029 |
Gas separation
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2945075 |
Preparation of reactor effluent for recovery of acetylene and the like therefrom
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2817411 |
Process of and apparatus for separating tars from gas mixtures
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2793938 |
Production of a hydrogen rich gas and removal of carbon contained therein
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3824177 |
Title is not available
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3609942 |
Title is not available
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3555782 |
Title is not available
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