Abstract: An industrial packed column system and method of operation for gas stream processing to remove a component by liquid absorbent contact includes: a. a plurality of packed tubular members having ends aligned, in vertical parallel array to form a first bundle, b. an upper lean absorption liquid inlet and lower rich absorption liquid outlet; c. a raw gas feed inlet positioned below the packing material, connected to a raw feed gas manifold via control valves for selectively admitting the feed gas to one or more of the plurality of tubular members, d. an upper treated gas outlet, connected via valved conduit to (i) a treated gas collection manifold and (ii) the raw as inlet of one or more of the other tubular members, and the apparatus equipped with appropriate systems so that desired portions of the treated gas stream exiting a tubular member can be passed for further treatment to at least one other tubular member in the first bundle.

Abstract: A carbon dioxide recovery system includes an absorption tower in which carbon dioxide is absorbed into an absorbing solution then the absorbing solution is output to a regeneration tower in which carbon dioxide is released from the absorbing solution. The regeneration tower outputs the absorbing solution from which carbon dioxide has been released and an exhaust gas included released carbon dioxide and water vapor. In a condensing section the exhaust gas is separated into dioxide gas stream and a condensed water stream. In a mixing section the condensed water is mixed with an amine to a replenishment amine aqueous solution in which the amine is dissolved in the condensed water. In a replenishment section the absorbing solution is mixed with the replenishment amine aqueous solution.

Abstract: A contact and separation column (1) encasing a stack of one or more contact and separation cells (3). Each cell comprises: —a tray (4) with gas flow openings (6) opening into contact and separation units (7); —a downcomer (16) defining a liquid discharge; and —a liquid supply (17). Each contact and separation unit (7) comprises an upstream contact zone (8, 9) with liquid inlets (12), and one or more downstream separation zones (10) provided with a swirler (13) and a top end with a gas outlet (14). The swirler (13) is located at a distance from the gas inlet of from 50 to 90 % of the total length of the contact and separation zone. Process for treating a gas with such a column.

Abstract: In a process for the separation of a stream containing carbon dioxide, water and at least one light impurity including a separation step at subambient temperature, the feed stream is compressed in a compressor comprising at least two stages to form a compressed feed stream, the compressed feed stream is purified in an adsorption unit to remove water and form a dried compressed stream, the dried compressed stream or a stream derived therefrom is cooled to a subambient temperature and separated by partial condensation and/or distillation in a separation apparatus, liquid enriched in carbon dioxide is removed from the separation apparatus, the adsorption unit is regenerated using a regeneration gas and the regeneration gas is formed by separating, by permeation in a permeation unit, the dried compressed stream or a gas derived therefrom, the permeate of the permeation unit constituting the regeneration gas.

Abstract: A system and method of collecting and transporting exhaust gases, preferably gases generated via the burning of fossil fuels, to a remote treatment facility. The exhaust gases include greenhouse gases, airborne particulates, and other pollutants. The present system comprises a gas extraction cap for collecting exhaust gas emitted from a point source of pollution, a pump for drawing water from a water source, a means for mixing the captured exhaust gas with the drawn water, a pipeline for transporting the gas-water solution to a remote treatment facility, and one or more high-pressure boilers for separating the water from the gas-water solution, leaving the exhaust gases available for treatment at the facility. Once the gas-water mixture arrives at the processing location, it then goes through one or more boiling steps in order to separate the water from the captured gases.

Abstract: A CO2 recovery system includes an absorption tower that brings gas containing CO2 into contact with a CO2 absorption solution to remove CO2 from the CO2-containing gas; a regeneration tower that regenerates a CO2-absorbed rich solution; and a compression device that re-uses a lean solution, from which CO2 has been removed in the regeneration tower, in the absorption tower and compresses CO2 in gas emitted from the regeneration tower, wherein the rich solution has a high pressure, the high-pressure rich solution is subjected to gas-liquid separation by a flash drum, the rich solution as a liquid component separated in the flash drum is introduced into the regeneration tower, and high-pressure CO2 gas as a gas component separated in the flash drum is introduced into a compression device having a predetermined compression pressure.

Abstract: The invention relates to a method and to a device for physical gas scrubbing, wherein a feed gas (1) containing hydrogen, carbon monoxide, carbon dioxide and also carbonyl sulphide and/or hydrogen sulphide is conducted through a first scrubbing section (W1) in countercurrent to a scrubbing medium preloaded with carbon dioxide, in order to separate sulphur components substantially selectively off from the feed gas and to generate a desulphurized gas mixture (3). In a second scrubbing section, carbon dioxide is separated off from only a subquantity of the desulphurized gas mixture by scrubbing with an unloaded scrubbing medium (4) and the resultant carbon dioxide-preloaded scrubbing medium is used completely in the first scrubbing section (W1) as scrubbing medium.

Abstract: Tar-like components can be removed from gas streams resulting from gasification of coal, waste or biomass by contacting the gas with a liquid organic aryl polysiloxane. The polysiloxane preferably contains alkyl groups and aryl groups, and is in particular a polymethyl polyphenyl polysiloxane. The gas comprises one or more of hydrogen, carbon monoxide, carbon dioxide, and methane.

Abstract: A method of compressing gas includes maintaining a volume of gas at a first pressure within a first chamber. Pressurized liquid is forced into the first chamber through a nozzle having a curved profile. Based on the Coanda effect, the liquid compresses the volume of gas to a second pressure greater than the first pressure. The liquid is separated from the gas in a second chamber while maintaining the gas at the second pressure to provide compressed, dry gas.

Abstract: Chlorosilane-containing process streams are treated by vaporizing the process stream, contacting the vaporized process stream with an alkaline medium in a scrubber, the scrubbing liquid being maintained at a pH of 9-13 by introduction of alkaline medium, and feeding the scrubbing medium to a waste treatment plant containing at least one mixing tank in which the pH is adjusted to the range of 7-9 by addition of mineral acid, separating solids by means of a centrifuge, and isolating separated solids.

Abstract: The invention relates to a process and an apparatus for separating metal carbonyls from a gas mixture (1) by gas scrubbing with a physically acting scrubbing medium (6), where scrubbing medium (8) loaded with metal carbonyls in the scrub (W) is regenerated and is subsequently reused for separating off metal carbonyls. The invention is characterized in that in order to regenerate the loaded scrubbing medium (8) materials dissolved in the scrubbing medium are separated off only to the extent necessary for removal of the metal carbonyls.

Abstract: A degradant concentration measurement device 14 according to the invention has an electric conductivity measurement instrument 71A measuring the electric conductivity of a lean solution 16 that is an acidic gas-absorbing solution and detection means 72 obtaining the concentration of a degradant contained in a lean solution 16 from the measured electric conductivity of the lean solution 16 based on the relationship between the previously-obtained electric conductivity of the lean solution 16 and the concentration of the degradant contained in the lean solution 16.

Abstract: A system for purifying mother liquid steam of polytetrafluoroethylene dispersion liquid comprises a concentration kettle (1), a defoaming pot (2), a gas-liquid separator (3) and a falling film absorption tower (4). A steam exit of the concentration kettle (1) is connected to an entrance of the defoaming pot (2). An exit of the defoaming pot (2) is connected to a feeding port of the gas-liquid separator (3). A gas exit of the gas-liquid separator (3) is connected to the falling film absorption tower (4). A liquid exit of the gas-liquid separator (3) is connected to the concentration kettle (1). A method for purifying mother liquid steam of polytetrafluoroethylene dispersion liquid by using the system is further provided.

Abstract: The present disclosure provides a method for processing an acid gas, comprising: using a processor 1 for receiving and processing the acid gas to obtain a gas phase stream 1 and a liquid phase stream 2, wherein the stream 2 is partially or completely recycled to the processor 1; using a processor 2 for processing the stream 1 from the processor 1 to obtain a gas phase stream 3 and a liquid phase stream 4; using a processor 3 for processing the stream 3 from the processor 2 to obtain a gas phase stream 5 and a liquid phase stream 6; and using a processor 4 for receiving the stream 43 from the processor 2 and using the stream 43 as a processing solution for processing the stream 5 from the processor 3 to obtain a gas phase stream 7 and a liquid phase stream 8, which can be divided into two sub-streams including a stream 81 and a stream 82. The present disclosure further provides an apparatus for processing an acid gas.

Abstract: A method for treatment of a flue gas involves feeding the flue gas and a lean solvent to an absorber. The method further involves reacting the flue gas with the lean solvent within the absorber to generate a clean flue gas and a rich solvent. The method also involves feeding the clean flue gas from the absorber and water from a source, to a wash tower to separate a stripped portion of the lean solvent from the clean flue gas to generate a washed clean flue gas and a mixture of the water and the stripped portion of the lean solvent. The method further involves treating at least a portion of the mixture of the water and the stripped portion of the lean solvent via a separation system to separate the water from the stripped portion of the lean solvent.

Abstract: Disclosed is a system and method of separating and collecting acid gas such as carbon dioxide in which the energy consumption in a stripping column for regenerating an absorbent may be reduced. In the system and method, the energy consumption may be reduced using heat generated during the acidic gas separation and collection processes. In the system and method, a low-temperature condensate from a condenser may be preheated by heat exchange with a high-temperature processed gas, and then supplied into the stripping column, thereby to reduce the heat duty of a reboiler and the energy consumption in the condenser for cooling. A partial flow of a carbon diode-absorbed absorbent from an absorber column may be preheated by heat exchange with high-temperature processed gas from an upper portion of the stripping column, and then supplied into the stripping column, thereby to further reduce the heat duty of the reboiler.

Abstract: A carbon dioxide capture system includes: a washing unit which uses cleaning water to clean absorption unit exhaust gas or stripping unit exhaust gas; and a gas-liquid separation device which allows condensed water generated by cooling washing unit exhaust gas to be separated from the washing unit exhaust gas. The condensed water is mixed into the cleaning water by a condensed water line. If the amount of the cleaning water becomes more than a predetermined amount, the cleaning water is mixed into an absorbing liquid by a cleaning water line. A controller controls a condensed water valve.

Abstract: The present invention provides a carbon dioxide recovery apparatus capable of recovering heat energy of carbon-dioxide-containing gas which includes an absorbing tower to generate and discharge a rich liquid absorbing carbon dioxide as carbon-dioxide-containing gas is introduced and contacted to an absorbing liquid to absorb carbon dioxide, carbon dioxide release devices to discharge semi-lean liquids which have steam containing a part of carbon dioxide released by heating the rich liquid discharged from the absorbing tower, and a regeneration tower to generate a lean liquid which has steam containing remaining carbon dioxide released and separated by heating the semi-lean liquids discharged from the carbon dioxide release devices and to return the lean liquid to the absorbing tower.

Abstract: The methods apparatuses described herein involve recovering of glycol from an aqueous phase to form a stream of recovered glycol and a glycol recovery system. The aqueous phase is fed to the top of a lower theoretical stage in a distillation column. An overhead vapor stream is drawn from the distillation column overhead of an upper theoretical stage, and a bottom stream comprising a stream of regenerated glycol is drawn from the distillation column via a bottom outlet configured below the lower theoretical stage. The stream of recovered glycol comprises the regenerated glycol. In addition, a first middle theoretical stage is situated within the distillation column gravitationally above the lower theoretical stage and below the upper theoretical stage. A side stream of liquid water is drawn from the bottom of the upper theoretical stage in the distillation column.

Abstract: Aspects of the invention include methods of removing carbon dioxide (CO2) from a CO2 containing gas. In some instances, the methods include contacting CO2 containing gas with a bicarbonate buffered aqueous medium under conditions sufficient to produce a bicarbonate rich product. Where desired, the resultant bicarbonate rich product or a component thereof may then be stored or further processed, e.g., combined with a divalent alkaline earth metal cation, under conditions sufficient to produce a solid carbonate composition. Aspects of the invention further include systems for practicing the methods, as well as products produced by the methods.