RU2363521C1 - Method for cleaning of spent industrial gases from hard particles to prepare them for use in closed cycle, plant for its realisation and filtering device used in device - Google Patents

Method for cleaning of spent industrial gases from hard particles to prepare them for use in closed cycle, plant for its realisation and filtering device used in device Download PDF

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RU2363521C1
RU2363521C1 RU2008104275/15A RU2008104275A RU2363521C1 RU 2363521 C1 RU2363521 C1 RU 2363521C1 RU 2008104275/15 A RU2008104275/15 A RU 2008104275/15A RU 2008104275 A RU2008104275 A RU 2008104275A RU 2363521 C1 RU2363521 C1 RU 2363521C1
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turbulent
gas
filter
layers
water
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RU2008104275/15A
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Russian (ru)
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Федор Егорович Калуцкий (RU)
Федор Егорович Калуцкий
Сергей Владимирович Давыдов (RU)
Сергей Владимирович Давыдов
Олег Юрьевич Калинин (RU)
Олег Юрьевич Калинин
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Федор Егорович Калуцкий
Сергей Владимирович Давыдов
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Abstract

FIELD: technological processes.
SUBSTANCE: inventions are related to facilities for community air protection and may be used for extraction of dust and hazardous admixtures from gas emission of factories, TPP, central heating boilers, etc. in order to use them repeatedly for burning in closed production cycle. Method for cleaning includes burning of spent gas in furnace, separation of coarse hard fraction in cyclone, deposition with the help of gas spraying with water in scrubber of products of gas and water reaction, separation of fine dust by means of filtration. Prior to filtration temperature of gas flow is stabilised, and filtration is carried out serially in three stages with further moisturising of filtered flow after every stage. Plant for cleaning of spent gases comprises the following components that are serially installed and technologically connected to each other - furnace for burning, chamber of cyclone type, scrubber with nozzles for gas irrigation by water, filtering device. Chamber of cyclone type is connected with collector of coarse hard fraction, and filtering device - with collector of liquid slag. Plant also comprises fan of atmospheric air injection and control device connected to nozzles for irrigation and filtering device. Filtering device is arranged out of three serially installed filtering units - inclined filters with controlled angle of inclination, flat filters and cylindrical filters. Outlets of every unit are connected to water evaporator. Every filter element consists of several serially installed, starting from external layer, alternating, applied one above another, functional layers: the first and second turbulent layers, the first overspeed layer, the first membrane layer, the third turbulent layer, the second overspeed layer, the second membrane layer, the fourth turbulent and fifth turbulent layers. The first and fifth turbulent layers are made of glass wool, the second - fourth turbulent layers - from glass wool impregnated with water, membrane layers - from glass wool, impregnated with compound, overspeed layers - from glass tissue.
EFFECT: simplification of cleaning facilities and improved cleaning quality, due to air enrichment with oxygen and restoration of oxides.
3 cl, 2 dwg

Description

The invention relates to means for protecting the air basin from solid particles generated during the combustion of hydrocarbon fuel in various power plants, boilers of thermal power plants, thermal power plants, etc., and can be used to extract dust and harmful impurities from gas emissions from plants, thermal power plants, central heating boiler plants etc. in order to reuse them for combustion in a closed production cycle.
A known method of gas purification and installation for its implementation, described in p. RF No. 2070972 class. F01N 3/10, c. 09/20/94, op. 12/27/96.
The known method consists in the fact that the exhaust gas flow is first aligned, then this flow is passed through the filter element, the pressure drop across the filter element is measured and compared with the specified maximum and minimum acceptable values, and if this pressure drop exceeds its predetermined maximum value, heating the filter element with exhaust gases to a temperature of at least 650 ° C by feeding it into the stream before passing it through the filter element and burning the exhaust in oxygen ABC to until the pressure drop across the filter element will not become less than the predetermined minimum value.
The known installation includes a housing, an injector for introducing additional fuel, a flame stabilizer, a candle, a fuel dispenser, an electromagnetic valve (EMC), executive bodies of an EMC and a dispenser, an electronic ignition unit, an exhaust gas flow equalizer installed between the additional fuel combustion chamber and the filter element , sensitive elements of the temperature sensor and thermometer, receivers of full pressure and differential pressure sensor, set point of the maximum allowable differential pressure n and the filter element of the comparison unit, the minimum allowable differential pressure on the filter element of the second comparison unit, control units and temperatures.
A disadvantage of the known means is the low quality of cleaning with a very complex installation scheme.
A device for wet cleaning of gas emissions is described in paragraphs of the Russian Federation No. 2093757 by class. F23J 15/02, E04H 12/28. h. 08/23/91, op. 10.20.97.
The known device is made in the form of a chimney, containing nozzles for spraying water inside the pipe, located in the upper part of the pipe with the possibility of spraying water vertically down, under which an electric heater with a controlled heating temperature is installed, and a reservoir for collecting the resulting liquid in the lower part of the pipe, which made high-rise. A fan is installed under the electric heater for supplying with an adjustable air flow rate in the direction perpendicular to the chimney.
The disadvantage is not very high quality cleaning.
Closest to the technical nature of the claimed are the method and installation with a filtering device described in clause of the Russian Federation No. 2200053 class. B01D 53/00, z. 11/27/01, op. 03/10/03 and selected as prototypes.
A known method is as follows.
After burning in a furnace, flue gas at a temperature of up to 1500 ° C enters the heat exchanger, where it is cooled to a temperature of 150 ° C, then the gas enters the cyclone chamber, where the coarse solid fraction is separated from it, which is periodically unloaded from it and again fed into afterburner. Then the gas is drawn into the exhaust fan and pumped into the fixture, where it is mixed with a powdery adsorbent (lime); the resulting mixture enters through the atomizer to the central part of the scrubber, where water is sprayed through the nozzles at a temperature close to the dew point of the flue gas (about 60 ° C), controlled by mixing hot and cold water. In the scrubber in the presence of water, the reaction of the interaction of a mixture of harmful impurities in the gas with the adsorbent intensifies, followed by precipitation of the reaction products and their discharge into the liquid sludge collector; the walls of the scrubber are heated with hot running water to prevent adhesion of the formed sludge to its internal walls. The purified gas enters the smoke chamber, where it accelerates and reverses the direction of motion due to the action of the smoke exhauster; To prevent icing, heated atmospheric air is supplied to the exhaust fan. Next, the flue gas is forced through a cloth filter, where it is cleaned of fine dust, which goes into the collection of liquid sludge, after which the gas is removed into the exhaust pipe.
The known installation comprises a heat exchanger, a solid fraction purification chamber connected through a smoke exhauster with a scrubber, in the upper part of which there are nozzles for irrigation of gas, as well as a filter device and a smoke exhauster connected to the exhaust pipe, a flue gas atomizer in the form of a pipe bent upwardly introduced from a smoke exhauster in a scrubber with a bottom in the form of a drain pipe, a smoke chamber in the bottom of which a drain funnel is inserted, a liquid sludge collector made with an inclined bottom and covering a drain pipe inserted into it a scrubber and the tail of the funnel, and the heat exchanger is made in the form of gas pipes washed by water. A device for feeding adsorbent into its cavity predominantly in the form of powder is installed on the spray site before entering the scrubber, and the curved portion of the spray is perforated. The scrubber has a jacket for heating its inner wall and a hot and cold water mixer equipped with regulators to create the required temperature and flow rate of water supplied to its nozzles, while in the upper part of the scrubber there is a gas outlet in the form of a curved downward tapering pipe entering the cavity of the smoke chamber and the exhaust pipe mounted on the smoke chamber, through nozzles and an annular shape, is connected to an atmospheric air blower, forming a smoke exhaust, the filtering device is made in the form of flexible a cone-shaped filter, which is located in the smoke chamber and is fixed with its wide part on a drain funnel, and a narrow one on the outer surface of the gas pipe; the scrubber drain pipe and the tail of the funnel, introduced to the required depth in the liquid sludge collector, form a liquid shutter when there is a discharge shutter in it.
The disadvantages of the known cleaning agents are the complexity of the design and the unsatisfactory quality of gas cleaning, which does not allow reuse of these gases as fuel.
The objective of the claimed means is to simplify the means of purification and improve the quality of purification for the preparation of purified gases for use in a closed cycle.
The problem is solved in that:
- in a method for purifying industrial exhaust gases from solid particles in order to prepare them for use in a closed cycle, including burning exhaust gas in a furnace, coarse filtration by separating the coarse solid fraction from it in a cyclone and subsequent precipitation by gas irrigation with water in a scrubber of gas reaction products with water, fine filtration by separating fine dust with filters, according to the invention, the temperature of the gas flow is stabilized before fine filtration, fine filtration is carried out after consistently in three stages with subsequent moistening of the filtered flow after each filtering and evaporating excess water;
- in the installation for purification of industrial industrial gases from solid particles to prepare them for use in a closed cycle, containing sequentially installed and technologically interconnected combustion furnace, a cyclone chamber, a scrubber, an irrigation system with nozzles for gas irrigation with water, a filter device, liquid sludge collector, while the cyclone type chamber is connected to the coarse solid fraction collector, and the filtering device is connected to the liquid sludge collector, there is also an atmospheric discharge fan of air, according to the invention, an additional control device is introduced, connected with irrigation nozzles and with a filter device, in front of which a flow temperature stabilizer is installed, while the filter device is made of three stages of three filter units installed in series: inclined filter units with an adjustable angle, flat units filters and a block of cylindrical filters, with nozzles for irrigation of gas with water installed at the outlet of each of the filter units, and the exits of each from the filter units are connected to the water evaporator;
- in a filter device for cleaning industrial exhaust gases from solid particles to prepare them for use in a closed cycle containing a filter fabric mesh, according to the invention, made of three stages of three filter units in series: an inclined filter unit with an adjustable angle, a flat filter unit and a unit cylindrical filters, a gas irrigation device is installed at the inlet of each block, and each of the filters consists of several located after Therefore, counting from the outer layer, the following alternating, superimposed, functional layers: the first turbulent, the second turbulent, the first acceleration, the first membrane, the third turbulent layer, the second acceleration layer, the second membrane, the fourth turbulent and fifth turbulent layers, while the first and fifth turbulent layers are made of glass wool, the second and fourth turbulent layers are made of glass wool saturated with water, the membrane layers are made of glass wool saturated with a compound, accelerated the layers are made of fiberglass, and organosilicon complex-forming monomers are used as the compound, and the density of the compound varies along the height of the layer.
Performing cleaning with stabilization of the temperature of the gas stream, followed by gradual fine filtration in conjunction with subsequent humidification and cleaning using filters from three filter blocks located one after another, provides with a very simple technology a high quality of cleaning, which allows preparing gases for their subsequent reuse.
The introduction to the installation of a control device associated with irrigation nozzles and a filter device, the presence of a flow temperature stabilizer and the implementation of a three-stage filter from three successively installed fine filters together provide a very high quality of purification with a very simple design, which makes it possible to prepare gases for their subsequent reuse.
The implementation in the filtering device of each filter element from alternating, superimposed functional layers - turbulent, accelerating and membrane - made of different materials, provides the following effect. The extreme turbulent layers in the filter element, made of electrifying glass wool, due to the rather loose and fleecy structure of the material, provide air mixing, electrification of air and water molecules in them and sedimentation of moisture penetrating with air in the form of microlayers, which ensures the interaction of the electrostatic air flow with a microlayer of water, which is divided into electrostatic clusters with unique properties, up to the appearance of the properties of a solid with a change in dynamic pressure air current. The following turbulent layers of glass wool impregnated with water adjacent to them from the inside provide partial oxidation of water in them and reduction of carbon dioxide and other inorganic oxides. Membrane layers, due to their being made of fiberglass impregnated with a compound, create laminar flows, where there is a “membrane” division of dipole molecules formed as a result of electrification with the advantage of oxygen passage and the formation of microchannels having a conical shape due to the round shape of the filter elements - expansion from the inner surface external and due to changes in the density of the compound along the height of the layer. In the accelerating layers, also made of electrifying material, there is a stronger electrification of the molecules created during the movement of the air flow in the laminar layers of the membrane layers, acceleration of the movement of individual charged molecules and dipole moments. As a result, membrane separation of the incoming gas flows takes place in the filter with the advantage of oxygen passage and the formation of water microlayers on the channel walls, forming complex compounds with carbon, which, with the participation of nitrogen molecules, simulate photosynthesis and oxygen supply to the atmosphere under more difficult operating conditions. The algorithm of alternating layers in the filter elements allows you to create filters that ensure the regeneration of oxides due to oxygen evolution. As a result, in filters having a structure with microchannels, statically charged clusters of water are formed on the walls of these channels, which form complex compounds with inorganic oxides. To reduce the concentration of inorganic oxides in the used air stream, water is supplied to the air stream in an amount necessary for oxidation to oxygen and for the method of wet cleaning of gas emissions.
EFFECT: air purification, its enrichment with oxygen and reduction of oxides.
In comparison with the prototype of the claimed means have novelty, differing from it by such essential features that together ensure the achievement of a given result as:
- in the method - stabilization of the temperature of the gas stream before fine filtration, three-stage filtration using filters when humidifying the gas after each stage of filtration;
- in the installation - the introduction of a control device associated with irrigation nozzles and with a filtering device, installing a flow temperature stabilizer in front of the filtering device, performing a three-stage filtering device, installing an irrigation device after each of the filter units;
- in a filtering device, its implementation from three successively arranged filtering units — an inclined filter unit, a flat filter unit and a cylinder filter unit, each element of which consists of superimposed membranes made of fiberglass or glass wool with or without impregnation, and with a compound of organosilicon complexing monomers.
The applicant does not know the technical solutions possessing the set of essential features specified for each of the claimed objects, which together ensures the achievement of the desired result, therefore he believes that the claimed technical solutions meet the criterion of "inventive step".
The claimed technical solutions can find wide application in environmental protection, and therefore meet the criterion of "industrial applicability".
The invention is illustrated by drawings, which represent:
- figure 1 is a functional diagram of the installation for cleaning;
- figure 2 - design of the filtering device.
A method of purifying industrial industrial gases from solid particles to prepare them for use in a closed cycle includes burning exhaust gas in a furnace, separating the coarse solid fraction from it in a cyclone, precipitating gas reaction products with water using a gas scrubber, stabilizing the temperature of the gas stream fine filtration, successively in three stages, followed by wetting the filtered stream after each filtration.
Installation for cleaning industrial exhaust gases from solid particles to prepare them for use in a closed cycle (figure 1) contains sequentially installed and technologically interconnected boiler 1, economizer 2, cyclone type chamber 3, scrubber 4, gas flow temperature stabilizer 5, the filtering device 6 and the chimney 7. In this case, the scrubber 4 and the filtering device 5 are connected to the irrigation system 8, and the outputs of the boiler 1, the chamber 3, the scrubber 4 and the filtering device 6 are connected through the corresponding drains 9 to the systems 10 minutes receiving and transporting waste. The chimney 7 is connected to the boiler 1 and the output of the scrubber 4. The installation is equipped with a gas analyzer 11 and a water evaporator 12, as well as a control device 13, which outputs are connected to the nozzles of the irrigation system 8 and to the filter device 6, and the input to the gas analyzer 11. Filter output device 6 through a control valve 14 is connected through a gas duct 15 to the boiler 1, at the inlet of which there are fans 16 for supplying gas.
The filter device 6 for cleaning industrial exhaust gases from solid particles to prepare them for use in a closed cycle (figure 2) contains three filter units in series - inclined filter units 17, flat filter units 18 and cylindrical filters unit 19, each of which consists from several arranged in series, counting from the outer layer, the following alternating functional layers: the first turbulent 20 1 , the second turbulent 20 2 , the first accelerating 21 1 , the first membrane 22 1 , the third turbulent layer 20 3 , the second acceleration layer 21 2 , the second membrane 22 2 , the fourth turbulent 20 4 and the fifth turbulent layers 20 5 , the first and fifth turbulent layers 20 1 and 20 5 made of glass wool, the second fourth turbulent 2-4 layers 20 made of glass wool, soaked with water, the membrane layers 22 - glass wool impregnated compound, acceleration layers 21 - glass fiber, and as the compound 23 used complexing organosilicon monomers, wherein the compound varies according to the density adjustment layer .
The purpose and implementation of the units and installation elements are as follows.
Boiler 1 is used to burn hydrocarbon fuel. Economizer 2 is a heater.
The cyclone chamber 3 is intended for burning out impurities.
The scrubber 4 serves to capture solid and gaseous (hydrogen sulfide, ammonia, etc.) impurities from the gas mixture.
The flow stabilizer 5 serves to equalize the temperature of the exhaust gas stream. It is installed between the combustion chamber 3 and the filter device 6, because temperature non-uniformity directly in front of the filtering device 6 reaches 600-800 ° C, which can lead to local overheating of the filtering device 6.
The filtering device 6 is intended for fine purification of gas and consists of the following units sequentially installed and technologically interconnected: block 17 inclined filters, block 18 flat filters and block 19 cylindrical filters.
The irrigation system 8 is used for sequential irrigation of the gas entering the treatment, and contains nozzles.
The control device 13 is designed to control the amount of water supplied to the air flow and the angle of attack of the inclined unit, and with special blinds it must regulate the amount of air supplied to the flat and round filters 18 and 19.
The inventive method using the inventive installation and its filtering device is as follows.
Exhaust gases from the chimney enter boiler 1, where methane is burned, oxygen burns out and inorganic oxides are produced, of which nitrogen oxides are especially harmful.
Economizer 2 serves as a heater. In the cyclone chamber 3, precipitation occurs, which is discharged into the waste reception and transportation system 10. After the cyclone chamber 3, the gas enters the scrubber 4, where, using nozzles, gas is irrigated with water. Part of the impurities is deposited and also through the drain enters the system 10 of waste reception. Next, the stream of purified gases is subjected to stabilization using a stabilizer 5 and enters a finer cleaning in the filtering device 6.
In the inclined filter 17 of the filter device 6, where water is also supplied through the nozzles 8, the amount of oxygen is reduced to safe from the point of view of explosion hazard with the help of the control device 13 depending on the oxygen content of the angle of inclination. The angle of inclination varies depending on the readings of the gas analyzer 11. The gas temperature here reaches 200 ° C, part of the inorganic oxides decompose exothermically here: the flame temperature is set at 300-400 ° C, they begin to decompose exothermically and increase the temperature.
A part of the flow passes through the flat filters 18, which, after exiting the filter, is also irrigated with water and the impurities that enter through the drain 9 into the waste collection system 10 are deposited.
In the block of cylindrical filters 19, through which about 10% of the gas passes, the gas is also purified and then irrigated with water; sedimentation products through the drain 9 enter the system 10 of the reception of waste.
To reduce the concentration of inorganic oxides in the used air stream, water is supplied to the air stream in an amount necessary for oxidation to oxygen and for the method of wet cleaning of gas emissions.
Atoms and molecules in a stream of industrial gases passing through the microchannels of filters having a conical shape come together and react with each other.
The operation of the filter element itself is described in more detail below.
When air enters the filter element in a turbulent layer 20 1 receiving air flow, due to its implementation from synthetic fleecy material, air is mixed and air and water molecules are electrified. In the second turbulent layer 20 2 made of glass wool soaked with water, microscopic particles of a part of the moisture settle on this layer forming a microlayer, and the electrostatic air stream after the first layer 20 1 interacts with this microlayer. In the membrane layer 22 1 , laminar flows are created and occur due to different permeability of air components (oxygen, nitrogen, hydrogen in water, carbon dioxide and possible impurities) dividing the laminar flow into dipole molecules - oxygen and other components of air. Water and carbon dioxide appear on the walls of this microlayer, forming complex compounds based on carbon, hydrogen and oxygen, and a water layer of 2-3 molecules is laid at the edges. In this layer, bonds form between gas molecules. In the next accelerating layer 21 1 , also made of electrifying material, there is an enhanced electrification of molecules created during the movement of laminar flows in the previous membrane layer 22 1 , acceleration of charged individual molecules and their further movement to the third turbulent layer 20 3 , where further mixing occurs flow and continues the oxidation of water molecules with the release of oxygen. Further, the air flow passes into the second membrane layer 22 2 , where there is a further separation of the air flow into oxygen having a high speed, as well as chemical reactions of the gases and water microlayers present, as a result of which complex compounds with carbon dioxide are formed, which with the participation of nitrogen molecules simulate the process similar to that occurring during photosynthesis with the formation of oxygen molecules and nitrogen-hydrogen compounds. In the next accelerating layer 21 2 , the air stream again accelerates, transferring mainly oxygen to the next turbulent layer 20 4 , where further mixing of the stream takes place and the oxidation of unoxidized water molecules with the release of oxygen ends. Then, the air stream with a large amount of oxygen passes into the fifth turbulent layer 20 5 , where the dipoles are neutralized, and it enters (air stream with a large amount of oxygen) through the gas duct 15 using valve 14 and fans 16 into the boiler 1 for re-burning. Thus, a number of physicochemical transformations occur in the filtering device due to its microstructure, which change (transform) its chemical composition with a multiple (several-fold) decrease in carbon dioxide concentration and a significant (over 50%) increase in oxygen concentration.
In comparison with the prototype of the inventive purification agents allow for a simpler implementation to ensure high quality purification of exhaust gases and prepare them for use in a closed cycle for re-burning.

Claims (3)

1. A method of purifying exhaust gases from solid particles to prepare them for use in a closed cycle, including burning exhaust gas in a furnace, separating the coarse solid fraction from it in a cyclone, precipitating gas reaction products with water by irrigation in a scrubber, fine separation dust by fine filtration, characterized in that the temperature of the gas flow is stabilized before fine filtration, the filtration is carried out sequentially in three stages, followed by humidification of the filtered flow after each filter ation.
2. Installation for purifying industrial industrial gases from solid particles to prepare them for use in a closed cycle, containing a sequentially installed and technologically connected combustion furnace, a cyclone chamber, a scrubber with nozzles for gas irrigation with water, a filter device, a liquid sludge collector while the cyclone chamber is connected to the coarse solid fraction collector, and the filtering device is connected to the liquid sludge collector, there is also a fan for pumping atmospheric air, excellent which consists in the fact that a control device connected to irrigation nozzles and a filter device is introduced in front of it, a flow temperature stabilizer is installed, while the filter device is made of three stages of three sequentially installed filter units - an inclined filter unit with an adjustable angle, a flat filter unit and a block of cylindrical filters, and a gas irrigation device is installed at the output of each of the blocks, the outputs of each of the blocks are connected to a water evaporator.
3. A filtering device for cleaning solid industrial particles from exhaust industrial gases to prepare them for use in a closed cycle, containing a filter fabric mesh, characterized in that it is made of three filter units in series - inclined filter unit, flat filter unit and cylindrical filter unit , while each of the filter elements consists of several located sequentially, counting from the outer layer, the following alternating, superimposed on each other, functional layers: the first turbulent, the second turbulent, the first acceleration, the first membrane, the third turbulent layer, the second acceleration layer, the second membrane, the fourth turbulent and fifth turbulent layers, while the first and fifth turbulent layers are made of glass wool, the second and fourth turbulent layers from glass wool impregnated with water, membrane layers from glass wool impregnated with a compound, acceleration layers from fiberglass, and organosilicon complexing monomeres were used as a compound ry, and the density of the compound varies along the height of the layer.
RU2008104275/15A 2008-02-04 2008-02-04 Method for cleaning of spent industrial gases from hard particles to prepare them for use in closed cycle, plant for its realisation and filtering device used in device RU2363521C1 (en)

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US9308513B2 (en) 2012-08-21 2016-04-12 Uop Llc Production of vinyl chloride from a methane conversion process
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US9707530B2 (en) 2012-08-21 2017-07-18 Uop Llc Methane conversion apparatus and process using a supersonic flow reactor
RU2687410C1 (en) * 2018-06-25 2019-05-13 Сергей Яковлевич Чернин Installation of dry cleaning of flue gases from acid components

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US9689615B2 (en) 2012-08-21 2017-06-27 Uop Llc Steady state high temperature reactor
WO2014031317A1 (en) * 2012-08-21 2014-02-27 Uop Llc Removal of solids and methane conversion process using a supersonic flow reactor
WO2014031297A1 (en) * 2012-08-21 2014-02-27 Uop Llc Glycols removal and methane conversion process using a supersonic flow reactor
US8927769B2 (en) 2012-08-21 2015-01-06 Uop Llc Production of acrylic acid from a methane conversion process
US8933275B2 (en) 2012-08-21 2015-01-13 Uop Llc Production of oxygenates from a methane conversion process
US8937186B2 (en) 2012-08-21 2015-01-20 Uop Llc Acids removal and methane conversion process using a supersonic flow reactor
US9023255B2 (en) 2012-08-21 2015-05-05 Uop Llc Production of nitrogen compounds from a methane conversion process
US9707530B2 (en) 2012-08-21 2017-07-18 Uop Llc Methane conversion apparatus and process using a supersonic flow reactor
US9205398B2 (en) 2012-08-21 2015-12-08 Uop Llc Production of butanediol from a methane conversion process
US9308513B2 (en) 2012-08-21 2016-04-12 Uop Llc Production of vinyl chloride from a methane conversion process
US9327265B2 (en) 2012-08-21 2016-05-03 Uop Llc Production of aromatics from a methane conversion process
US9370757B2 (en) 2012-08-21 2016-06-21 Uop Llc Pyrolytic reactor
US9434663B2 (en) 2012-08-21 2016-09-06 Uop Llc Glycols removal and methane conversion process using a supersonic flow reactor
US9656229B2 (en) 2012-08-21 2017-05-23 Uop Llc Methane conversion apparatus and process using a supersonic flow reactor
CN103574992A (en) * 2013-11-12 2014-02-12 银永忠 Rotational flow padding type lithium bromide concentration device
CN103574992B (en) * 2013-11-12 2015-09-02 银永忠 Eddy flow material filling type lithium bromide concentration device
RU2687410C1 (en) * 2018-06-25 2019-05-13 Сергей Яковлевич Чернин Installation of dry cleaning of flue gases from acid components

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