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8182577 |
Multi-stage CO2 removal system and method for processing a flue gas stream
An ammonia based CO2 capture system and method is provided in which multiple absorption stages are provided. Each absorption stage delivers an ionic solution at a predetermined temperature and...
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8172926 |
Aerosol separator in CO2 recovery system
An aerosol separator is arranged before a CO2 compressor to prevent wear and damage in CO2 recovery systems for the recovery of CO2 arising during fermentation using a compressor.
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8167979 |
High efficiency, non-toxic scrubbing system and method for removing carbon dioxide from a gas
Scrubbing systems and methods for removing carbon dioxide from a gas are provided. The scrubbing system can include a scrubber defining a vertically oriented tubing assembly, a gas inlet and a gas...
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8123843 |
Rich gas absorption apparatus and method
The present invention relates to an apparatus comprising a co-current absorbing unit, a countercurrent absorbing unit, at least one absorbing liquid reservoir, and at least one liquid transferring...
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8106150 |
Polylactide manufacturing apparatus and method for manufacturing polylactide
In a process of manufacturing polylactide, synthesis of high-quality polymers is achieved with a sufficient degree of vacuum secured. Provided is an apparatus for manufacturing polylactide which...
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8080226 |
Methods and sytems for the destruction of perfluorinated compounds
Methods and systems for the destruction of one or more PFCs in a gas stream are provided. The gas stream can come from semiconductor processing, for example. The PFCs in the gas stream are reacted...
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8038779 |
Methods and apparatus for reducing emissions in an integrated gasification combined cycle
A method of assembling a gas removal system for an integrated gasification combined cycle is provided. The method includes coupling a first rich solvent tank in flow communication with the...
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7981196 |
Apparatus and method for recovering carbon dioxide from flue gas using ammonia water
An apparatus and method for absorbing and recovering carbon dioxide from flue gas using ammonia water as an absorbent, including an absorption column and a circulation cooler connected to the...
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7967896 |
Use of hydraulic turbocharger for recovering energy from high pressure solvents in gasification and natural gas applications
The invention provides a process and system for regenerating a solvent used to remove carbon dioxide from feed gases, such as natural gas and synthesis gas. The invention employs one or more...
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7967895 |
Process and device for regenerating the loaded scrubbing agent in a physical gas wash
For regenerating the loaded washing (scrubbing) agent (6, 7) from a physical gas wash (T1), in which one or more gas components are removed, to a large extent selectively, from a gas mixture (1) to...
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7964025 |
Reclaiming carbon dioxide from boiler flue gas
Systems and techniques for the reclamation of carbon dioxide from boiler flue gas as well as for the liquefaction of the reclaimed carbon dioxide for well injection oil recovery are provided. A...
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7959713 |
Cooling and purification of gas streams
Process for purifying and cooling a gas stream comprising a dialkyl ester A) of an aromatic dicarboxylic acid, which comprises treating the gas stream with an aliphatic dihydroxy compound B) at a...
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7938889 |
CO2 recovery system and method of cleaning filtration membrane apparatus
A CO2 recovery system includes an absorption tower that removes CO2 from exhaust gas, a regeneration tower that regenerates a rich solution, and a separation drum that condensates steam in CO2 gas...
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7935323 |
System and method for hydrogen sulfide decontamination
The invention describes a system and method for hydrogen sulfide decontamination of natural gas using a scavenging reagent. The system uses a scavenging reagent within two reactors wherein the...
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7932423 |
Removal of inerts from natural gas using hydrate formation
A method for separating a gas stream comprising methane and a contaminate gas comprises the steps of contacting the gas stream with water under temperature and pressure suitable for the formation...
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7867322 |
Use of SO2 from flue gas for acid wash of ammonia
A gas cleaning system, which is operative for cleaning a process gas containing carbon dioxide and sulphur dioxide, comprises a combined cooling and cleaning system (16), and a CO2-absorber. The...
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7833503 |
Exhaust gas treatment
A method for scrubbing a halogen-containing gas, comprises contacting the halogen-containing gas with water at a temperature of at least 30° C., the gas optionally subsequently being subjected to ...
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7811361 |
Process for a gas removal zone
One exemplary embodiment can be a process for increasing an efficiency of an acid gas removal zone. The process can include sending a sour gas stream including at least one gas to a first absorber...
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7772449 |
Removal of acid gases and sulfur compounds from hydrocarbon gas streams in a caustic tower
The present invention provides a process for treating a hydrocarbon feed gas stream containing acid gases (CO2, H2S and mercaptans) by contacting the feed gas stream in a multi-section caustic...
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7754172 |
Method for isolating N2O
The present invention relates to a process for purifying a gas mixture G-0 comprising dinitrogen monoxide, at least comprising the absorption of the gas mixture G-0 in an organic solvent,...
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7749309 |
Method for deacidifying a fluid stream and washing liquid used in such a method
Disclosed is a method for deacidifying a fluid stream containing acidic gases as contaminants, according to which the fluid stream is brought into intimate contact with a washing liquid in at least...
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7727311 |
Installation and method for mixing and distributing a liquid phase and a gaseous phase
Installation for gas treatment by a liquid phase comprising a) a column (C) that comprises means (1) for introducing gas at one end of said column, means (9) for drawing off gas from the other end...
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7699914 |
Triple-effect absorption system for recovering methane gas
A method of using a triple-effect absorption system to recover methane from landfill gas contaminated with CO2 and trace contaminates such as chlorinated hydrocarbons and aromatics involves...
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7682425 |
Method for removing ammonia and dust from a waste gas that results during the production of fertilizers
The invention relates to a method for removing ammonia and dust from a waste gas that occurs during the production of fertilizers, preferably urea, in which method the waste gas is introduced into...
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7604684 |
Method for selective removal of hydrogen sulphide and CO2 from crude gas
With the help of a method of selective removal of hydrogen sulphides, organic sulphur components and CO2 from crude gases, by using a first and second absorption stage (41 or 49) for separating...
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7597746 |
Configurations and methods for acid gas and contaminant removal with near zero emission
A gas (1) comprising hydrogen sulfide, carbon dioxide, and hydrocarbon contaminants is treated in a plant (FIG. 2) in a configuration in which waste streams are recycled to extinction. In...
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7588627 |
Process for the removal of H2S and mercaptans from a gas stream
The invention relates to a process for the removal of, H2S and mercaptans from a gas stream comprising these compounds, which process comprises the steps of: (a) removing H2S from the gas stream by...
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7374604 |
System and method for flue gas treatment
The present invention discloses a system for flue gas treatment, wherein the provided system comprises a quench module, a first control module, a filter collecting module, a wet scribing module and...
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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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7189282 |
Method for eliminating mercaptan from crude gas
This invention relates to a process for cleaning gas, in particular hydrocarbonaceous gas such as e.g. natural gas, which is contaminated with sulfur in the form of H2S and mercaptans as well as...
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7077884 |
Hydrogen sulfide scrubber using polymeric amine and associated methods
A hydrogen sulfide scrubber includes first and second scrubber tanks with scrubber media contained therein. Scrubbing solution circulators each include a dispenser for dispensing scrubbing solution...
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7018450 |
Natural gas deacidizing method
The natural gas is successively contacted in column CA with a relatively methanol-rich solvent flowing in through line 4, then with a relatively poor solvent flowing in through line 9. The acid...
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7014684 |
Method for the treatment of waste gas from a cellulose plant
A process and a device for cleaning waste gas from pulp production, especially for cleaning waste gases from a bleaching reactor. Aerosols contained in the waste gas are removed and the gaseous...
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6884282 |
Method and system for increasing the absorption selectivity of H2S from a gas containing CO2 and H2S
A system and a method for increasing the selectivity of H2S absorption in an aqueous amine treating processes for streams containing high CO2:H2S ratio mixtures in an absorption column by...
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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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6773582 |
Drinking water treatment system including hydrogen sulfide scrubber using triazine compound and associated methods
A drinking water treatment system includes a pump for pumping water from an aquifer, an aerator connected downstream from the pump for generating an outlet water flow and a hydrogen...
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6759018 |
Method for point-of-use treatment of effluent gas streams
A system for abating undesired component(s) from a gas stream containing same, such as halocompounds, acid gases, silanes, ammonia, etc., by scrubbing of the effluent gas stream with an aqueous...
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6726748 |
Method of converting a downflow/upflow wet flue gas desulfurization (WFGD) system to an upflow single-loop WFGD system
A method of reducing the pressure drop in a downflow/upflow wet flue gas desulfurization (WFGD) system and of improving overall sulfur dioxide collection efficiency by converting the...
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6719829 |
Venturi and methods for particulate removal with counterflow sprays
The present invention provides improved systems and methods for scrubbing gas with a venturi scrubber. A dual spray venturi scrubber, in which a scrubbing liquid is injected upstream and counter to...
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6666908 |
Process for deacidizing a gas with washing of the hydrocarbons desorbed upon regeneration of the solvent
Within the scope of a process using two absorption sections for treating a natural gas containing CO2 and/or H2S, as well as mercaptans, COS and/or CS2, the present invention aims to wash the...
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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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6623546 |
Method and installation for chemical purification of vapor in a dehydrator with mechanical vapor compression
According to the invention, the vapor is taken from the condensation chamber of the dehydrator and, prior to being compressed and at a temperature substantially equal to 100° C., it is caused to ...
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6551382 |
Hot-humid/cold gas scrubbing process and apparatus
Effluent gas cleaning process and apparatus for effectively removing particulates in the 0.01 micron to 0.1 micron diameter range, and for removing water-soluble gaseous contaminants, by first...
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6511529 |
Method of reducing the number of pollutants in a gas flow and device for carrying out said method
The object of the invention is to provide a method of treating wash water resulting from the scrubbing of process gases in smelting plants, according to which method the wash water is brought into...
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6506348 |
Heavy oil fired boiler exhaust gas treatment apparatus
There is provided a heavy oil fired boiler exhaust gas treatment apparatus which removes soot and dust and SO3 in the heavy oil fired boiler exhaust gas efficiently at a low cost without using an...
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6458188 |
Method and means for air filtration
A method of filtering an air or gas stream utilizes a liquid, such as water, to saturate the gas stream. A sufficient quantity of water is presented to the gas stream to saturate the gas stream and...
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6333003 |
Treatment apparatus, treatment method, and impurity removing apparatus
A treatment apparatus for treating a substrate in an isolated treatment space in an air-conditioned clean room, comprising a removing unit including a plurality of removing sections for recovering...
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6325983 |
Nox scrubbing system and method
A treatment system for process exhaust streams containing NOx. The system includes a plurality of sequential scrubbing assemblies that collectively receive and contact a process exhaust stream...
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6287367 |
High-capacity vapor/liquid contacting device
This concept concerns a vapor/liquid contacting tray which is useful in distillation and related mass transfer or heat transfer applications where liquid flows down and gas or vapor flows up...
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6235961 |
Process for pretreating cracked gas before caustic tower treatment in ehtylene plants
An inline, high-shear mixer is provided in a cracked gas stream upstream of a caustic tower in an ethylene production unit. Spent caustic is withdrawn from the bottom of the caustic tower and...
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