WO2011009728A1 - Laveur de fumées de co2 à plusieurs étages de lavage du gaz - Google Patents

Laveur de fumées de co2 à plusieurs étages de lavage du gaz Download PDF

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Publication number
WO2011009728A1
WO2011009728A1 PCT/EP2010/059754 EP2010059754W WO2011009728A1 WO 2011009728 A1 WO2011009728 A1 WO 2011009728A1 EP 2010059754 W EP2010059754 W EP 2010059754W WO 2011009728 A1 WO2011009728 A1 WO 2011009728A1
Authority
WO
WIPO (PCT)
Prior art keywords
scrubber
gas
gas scrubber
components
boundary wall
Prior art date
Application number
PCT/EP2010/059754
Other languages
German (de)
English (en)
Inventor
Christian Bergins
Torsten Buddenberg
Original Assignee
Hitachi Power Europe Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102009034547A external-priority patent/DE102009034547A1/de
Application filed by Hitachi Power Europe Gmbh filed Critical Hitachi Power Europe Gmbh
Publication of WO2011009728A1 publication Critical patent/WO2011009728A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1456—Removing acid components
    • B01D53/1475—Removing carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/30—Alkali metal compounds
    • B01D2251/304—Alkali metal compounds of sodium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/60—Inorganic bases or salts
    • B01D2251/604—Hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/204—Inorganic halogen compounds
    • B01D2257/2045—Hydrochloric acid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/204—Inorganic halogen compounds
    • B01D2257/2047—Hydrofluoric acid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/302—Sulfur oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/60—Heavy metals or heavy metal compounds
    • B01D2257/602—Mercury or mercury compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0233—Other waste gases from cement factories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/12—Methods and means for introducing reactants
    • B01D2259/124—Liquid reactants
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2

Definitions

  • the invention is directed to a gas scrubber, in particular a large-scale plant, which is connected downstream of a device containing carbonaceous fuel, wherein the gas scrubber comprises at least two scrubber stages for purifying smoke or exhaust gas, the at least two adjacent hollow body gas scrubber components, which together in a common Gas scrubber stage and / or are arranged in different scrubber stages, wherein at least one gas scrubber stage is designed as a CO 2 scrubbing ⁇ .
  • the C0 2 ⁇ is discussed issue worldwide.
  • solutions are also sought in order to be able to remove gaseous carbon dioxide from the flue gas or exhaust gas of large-scale installations, such as carbon-fired power plants, metal-producing installations, for example blast furnaces, or cement production installations.
  • a so-called CO 2 scrubbing by means of an absorbent for the chemical absorption of carbon dioxide offers.
  • plant concepts and gas purification or gas scrubber concepts must be developed, which can be used on an industrial scale. At present, there are no gas scrubbers realized in large-scale installations for carrying out a CO 2 scrubbing.
  • the invention is therefore based on the object to provide a solution that provides a large scale and flexible usable and structurally advantageous realizable CO 2 gas scrubber.
  • this object is achieved in that the at least two gas scrubber components arranged adjacent to each other and their respective cross section, in particular the gas flowed through flow cross-section, at least substantially angular, in particular rectangular, is formed, wherein the adjacent gas scrubber components each have a common boundary wall area or
  • Boundary wall region preferably a common boundary wall or boundary wall, have.
  • the invention thus assumes that in a multi-stage CO 2 scrubber adjacent CO 2 - gas scrubber components, each forming a single absorber or gas scrubber, with respect to their construction cross-section and / or gas flow cross-section square, in particular rectangular, form, in which case a common Wall or wall or at least a common wall area or wall area is present and formed.
  • This has the advantage that a wall or wall can be used at least jointly by two adjacent gas scrubber components as an integral part of both gas scrubber components.
  • supporting walls and / or load-bearing wall or wall areas and / or structural steel components of adjoining, adjacent absorbers or gas scrubber components can be shared.
  • the construction cost in particular the structural construction costs, is reduced.
  • individual gas scrubber components can have side lengths of up to 20 m, which are then combined with optionally gas scrubber components of smaller side lengths as adjacent gas scrubber component.
  • the common walls or wall areas are preferably designed as self-supporting walls.
  • a further advantage is that the various gas scrubber components can be arranged adjacent to one another in a space-saving manner and thus realize a larger gas scrubber capacity and in particular the combination of different, in their succession coordinated gas scrubber stages compared to previous constructions leaves.
  • the gas scrubber components which are connected to one another via a common boundary wall or a common boundary wall or a common boundary wall area or a common boundary wall area, are each assigned to different gas scrubber stages.
  • at least one gas scrubber stage has a plurality of gas scrubber components arranged parallel to one another with respect to the smoke or exhaust gas stream.
  • at least two gas scrubber components connected to one another via a common boundary wall or a common boundary wall or a common boundary wall area or a common boundary wall area are arranged in the same gas scrubber stage.
  • each gas scrubber component of a respective scrubber stage forms at least one common boundary wall or boundary wall or at least one common boundary wall or boundary wall area with an adjacent gas scrubber component of an adjacent scrubber scrubber and / or this respective scrubber scrubber stage.
  • the gas scrubber may comprise a plurality of gas scrubber components, one of which, for example, both a common boundary wall to a gas scrubber component in an adjacent scrubber stage and a common boundary wall to a gas scrubber component in the same Has gas scrubber stage.
  • gas scrubber stages each with at least one scrubber component arranged therein, are provided in succession in the gas flow direction in series, the entirety of these scrubber scrubbers forms a scrubber scrubber line.
  • the invention therefore further provides that a plurality of gas scrubber components and / or scrubber stages connected in series with respect to one another in the flue gas or waste gas flow form a gas scrubber line.
  • Gas scrubber it is also possible to arrange several gas scrubber lines parallel to each other, this in turn are interconnected by a common wall and / or a common wall (part) area.
  • Gas scrubber lines preferably by means of at least one common boundary wall or boundary wall or at least one common boundary wall area or Begrenzungswandungs Symposium.
  • the invention further provides, in further development, that all gas scrubber components be integral part thereof in a particularly compact gas scrubber block and / or are combined in a common gas scrubber housing.
  • the individual gas scrubber components in particular those of the different scrubber stages, differ, for example, in height or in width, so that, if appropriate, the gas flow connection from one gas scrubber stage to the next adjacent scrubber scrubber does not pass through openings or openings in the respective common scrubber stage Boundary wall or boundary wall, but by means of the respective gas scrubber components connecting pipes is realized.
  • the gas scrubber is in particular one in which gas scrubbing takes place by means of chemical absorption. It may be provided in an embodiment of the invention that the actual CO 2 scrubbing is assigned as a first stage a prewash or pre-scrubber, in which with a NaOH-containing or Ca (OH) 2 ⁇ containing solution acidic gas components from the treated Smoke or exhaust gas, in particular SO 2 , SO 3 , HCl, HF, Hg, but also dust and optionally CO 2 is removed by absorption to the absorbent or the washing liquid.
  • a NaOH-containing or Ca (OH) 2 ⁇ acidic gas components from the treated Smoke or exhaust gas, in particular SO 2 , SO 3 , HCl, HF, Hg, but also dust and optionally CO 2 is removed by absorption to the absorbent or the washing liquid.
  • the invention therefore provides in an embodiment that the scrubber a gas scrubber stage, in particular the first gas scrubber stage in flue gas or exhaust gas flow, in which a NaOH-containing or Ca (OH) 2 -containing solution is sprayed as ⁇ bsorbens.
  • the scrubber has at least one gas scrubber stage in which a CO 2 absorbent is sprayed as scrubbing liquid.
  • a further advantage of the gas scrubber according to the invention is that it is possible due to the spatially closely adjacent arrangement of the various scrubbers and gas scrubber components to replace the sprayed respectively in the individual scrubbers CO2 absorber or sprayed therein each washing liquid between the individual scrubber stages. Therefore, the invention is also characterized in that C0 2 absorbent is carried out in an exchange of the sprayed between each individual scrubber stages.
  • Fig. 5 a plurality of adjacent arranged
  • the gas scrubber generally designated 1 in FIG. 1, comprises four gas scrubbers I, II, III and IV, which each consist of one or more gas scrubber components 2 to 11 arranged adjacently and adjacently to one another.
  • the gas scrubber 1 is provided in particular for the purification of a smoke or exhaust gas of a large-scale plant, preferably a carbon-fired device or furnace.
  • the gas scrubber 1 is connected in particular for cleaning the resulting smoke or exhaust gas of a device fueled with carbonaceous fuel with associated steam generator, wherein the fired device in particular a steam generator or combustion chamber of a power plant, a furnace for metal production, especially iron production, or an oven for
  • the gas scrubber components 2 to 11 are hollow body-shaped, wherein the gas scrubber stages I and III is formed by a respective gas scrubber component 2, 7, whereas the gas scrubber stages II and IV of four gas scrubber components 3, 4, 5, 6 and 8, 9, 10, 11 are formed.
  • the scrubbers I, II, III and IV are connected in series, so that the flue gas or flue gas to be cleaned first the scrubber I, then the scrubber II, then the scrubber III and finally the scrubber stage IV flows through.
  • the gas scrubber components of the respective scrubber components 3 to 6 and 8 to 11, which are adjacent to one another within the scrubber stages II and IV, likewise have a common boundary wall or boundary wall delimiting the gas flow cross-section.
  • the gas scrubber 1 according to the invention two such adjacently arranged and cross-sectionally angular, in particular rectangular gas scrubber components formed, which is given in the simplest case, if only the gas scrubbers I and III are realized and then the gas scrubber components 2 and 7 immediately adjacent to each other.
  • the gas scrubber components 2 to 11 forming the scrubber stages I to IV are combined overall to form a so-called scrubber scrubber line.
  • the arrangement according to FIG. 1 can also be divided into two gas scrubber lines 16, 17 arranged parallel to one another.
  • the gas scrubber components 2 and 7 in gas scrubber components 2 ', 2' 'and 7' and 1 '' divides and the gas scrubber components 5 and 6 and 10 and 11 on the one hand and 3 and 4 and 8 and 9 on the other hand each assigned to a gas scrubber ,
  • the embodiment according to FIG. 1 can also be divided into two gas scrubber lines 16, 17 arranged parallel to one another.
  • a gas scrubber 1 in the form of a more or less uniform or integral gas scrubber block is formed by the arrangement of the gas scrubber components 2 to 11 which adjoins one another, in particular, it may be provided that the individual scrubbers Gas scrubbers I to IV are combined in a common gas scrubber housing, which of course there may be height differences, as can be seen from the schematic longitudinal sectional view of FIG.
  • a gas scrubbing of the flue gas or exhaust gas is carried out by means of chemical absorption.
  • the gas scrubber 1 must include two gas scrubbers. As indicated in FIGS. 1 and 2 by arrows, the flue gas or exhaust gas to be treated flows through the feed line 21 into the gas scrubber component 2 forming the scrubber stage I, then flows into one of the scrubber components 3 to 6 forming the scrubber stage II, leaving the respective one Gas scrubber components 3 to 6 by flowing into the gas scrubber stage III forming gas scrubber component 7 and then flows into one of the gas scrubber stage IV forming gas scrubber components 8 to 11, before the exhaust then after exiting the respective scrubber component 8 to 11 through the discharge line 22 the gas scrubber 1 leaves.
  • the gas scrubber components 3 to 6 are designed as jet scrubbers, but can also be designed as Venturi scrubber or open DC spray absorber.
  • the exhaust gas or flue gas then flows in cocurrent with the sprayed C0 2 -Absorbens 25, which may be a known washing liquid, for example, amines, amino acid salts, MEA, DEA, NH4OH
  • Gas scrubber stage II from top to bottom enters the flue gas or exhaust gas down into the gas scrubber component 7 of Gas scrubber III and flows through them from bottom to top in countercurrent to the there sprayed through spray nozzles 26 washing liquid or sprayed C0 2 -Absorbens.
  • the gas scrubber component 7 is formed in the embodiment as a built-up with packs 32 built-in column, the packs or internals may be structured or poured formed. But it is also possible to form the scrubber component 7 as an open spray absorber or as a tray absorber.
  • the sumps 27, 28 of the gas scrubber components 3 to 6 on the one hand and the gas scrubber component 7 on the other hand are designed so that the scrubbing liquid sprayed in the gas scrubber component 7 is kept separate from the scrubbing liquid sprayed in the gas scrubber components 3 to 6.
  • the flue gas or exhaust gas After flowing through the gas scrubber component 7, the flue gas or exhaust gas then flows in the upper region of the gas scrubber component 7 through an opening or opening into a respectively adjacent one of the scrubber components 8-11 of the scrubber stage IV. This is limited by the walls 15 and 23.
  • the Gasv / äscherkomponenten 8-11 are designed as jet scrubbers, but can also be designed as Venturi scrubber or open Gleichstromsprühabsorber.
  • water 29 is sprayed as a washing liquid, so that there is a post-cleaning or after-washing.
  • the flue gas or exhaust gas flows through the respective scrubber component 8-11 in cocurrent with the respective water jet and then flows in the lower region of the respective scrubber component 8-11 of the scrubber stage IV through the outlet line or discharge line 22 from the scrubber 1.
  • the flue gas or waste gas is freed from entrained liquid or gaseous components of the scrubbing liquid which is sprayed in scrubbers I-III, in particular scrubbers II and III, in order to limit emissions in the flue gas to the prescribed limits.
  • the water sprayed here as washing liquid may contain the cleaning or post-washing supporting additives.
  • Gas scrubber stage II also in this, are above the respective spray nozzles 24, 26, optionally in several
  • Layers arranged one above the other, arranged drop separator 30 are these and any additionally arranged in the head, for example, the scrubber III and trained water wash for the necessary
  • the gas scrubber 1 is also a fan-free gas scrubber.
  • the gas scrubbers I and II can be used for desulfurization of a gas scrubbing, then in the scrubber I lime stone scrubbing and in the scrubber II a NaOH wash is performed. This is followed by CO 2 scrubbing in the scrubber stages III and IV.
  • the swamps and liquid circuits between the scrubber I / II on the one hand and III / IV on the other hand are separated.
  • the gas scrubbers I-IV may also be followed by a fifth gas scrubber stage V in a manner not shown, in which then preferably the flue gas or exhaust gas in countercurrent Is subjected to water washing with provided in the fifth gas scrubber stage further droplet separating.
  • the provided and trained in the gas scrubbers II and III swamps 27 and 28 may be separated depending on the procedure, so that there is no connection between the swamps 27 of the scrubber stage II and the sump 28 of the scrubber stage III.
  • the sumps 27 of the individual scrubber components 3-6 of the scrubber stage II can also be separated from each other, so that each gas scrubber component 3-6 has its own return flow or connection to the spray nozzles 26 of the scrubber stage III.
  • the gas scrubber components 3-6 of the scrubber stage II form a common sump 27.
  • the two sumps 27 and 28 or the majority of the sumps 27 and the sump 28 are formed as a common sump for both scrubbers II and III.
  • the individual scrubber components 2-11 of the scrubber 1 are in the embodiment particularly dimensioned such that when flowing through a flue gas of 2,100,000 Nm 3 / h through the gas scrubber 1 of this flue gas volumetric flow at a speed of about 16 m / s in the supply line 21 or feed enters and then flows through the gas scrubber component 2 from bottom to top at a speed of about 4 m / s.
  • the subsequent gas scrubber components 3-6 are then flowed through from top to bottom at a speed of about 11 m / s.
  • the flue gas entering below into the gas scrubber component 7 then flows through it from the bottom to the top at a speed of approximately 2 m / s, before then in the gas scrubber stage IV from top to bottom through the local scrubber components 8-11 at a speed of approximately 9 m / s is streaming.
  • the washing liquid collected therein is fed to a desorber for regeneration.
  • gas scrubber components are provided in the scrubbers II and III instead of the jet scrubbers there, which, preferably on the ceiling side, arranged, vertically acting blower, preferably radial blower have.
  • These fans maintain the flue gas or exhaust gas flow through this particular scrubber component as well as the optionally adjacent gas scrubber component adjacent or in the gas flow direction.
  • these blowers are radial fans.
  • the gas scrubber stages equipped with such a blower can, moreover, be designed in the form of known absorbers or gas scrubbers. It is also possible, for example, to equip the scrubber stages II and III with venturi scrubbers or to form the scrubber components of these scrubbers II and III in the form of venturi scrubbers.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

L'invention porte sur un laveur de gaz, en particulier sur une installation à l'échelle industrielle, qui est installée en aval d'un dispositif chauffé par un combustible contenant du carbone. Le laveur de gaz comprend au moins deux étages de lavage de gaz (I, II, III, IV) pour purifier les fumées ou les effluents gazeux, et comprend au moins deux composants laveurs de gaz (2-11, A, B, C), en forme de corps creux, voisins, qui ensemble sont disposés dans un étage de lavage de gaz et/ou dans plusieurs étages de lavage de gaz, au moins un étage de lavage de gaz étant configuré comme un laveur de CO2. Dans ce laveur de gaz, il s'agit de créer une solution qui met à disposition un laveur de CO2 gazeux, dont la construction puisse être réalisée d'une manière avantageuse, et qui puisse être utilisée d'une manière flexible et à l'échelle industrielle. On y arrive par le fait qu'au moins deux composants laveurs de gaz (2-11, A, B, C) sont disposés l'un tout contre l'autre et que leur section transversale, en particulier leur section transversale d'écoulement traversée par le gaz, soit configurée au moins pour l'essentiel d'une manière polygonale, en particulier rectangulaire, les composants de lavage de gaz voisins comportant chacun au moins une zone commune de paroi de délimitation (12, 13, 14, 15, 18, 19, 20), ou une zone de mur de délimitation, de préférence une paroi de délimitation commune ou un mur de délimitation.
PCT/EP2010/059754 2009-07-22 2010-07-07 Laveur de fumées de co2 à plusieurs étages de lavage du gaz WO2011009728A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102009034492 2009-07-22
DE102009034492.6 2009-07-22
DE102009034547A DE102009034547A1 (de) 2009-07-23 2009-07-23 CO2-Rauchgaswäscher
DE102009034547.7 2009-07-23

Publications (1)

Publication Number Publication Date
WO2011009728A1 true WO2011009728A1 (fr) 2011-01-27

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Application Number Title Priority Date Filing Date
PCT/EP2010/059754 WO2011009728A1 (fr) 2009-07-22 2010-07-07 Laveur de fumées de co2 à plusieurs étages de lavage du gaz

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WO (1) WO2011009728A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1419196A1 (de) * 1958-12-28 1968-10-03 Takeda Pharmaceutical Vorrichtung zur Durchfuehrung von Gas-Fluessigkeits-Reaktionen
EP0501599A1 (fr) * 1991-02-27 1992-09-02 Mitsubishi Jukogyo Kabushiki Kaisha Dispositif d'absorption du dioxyde de carbone des gaz
DE9304777U1 (de) * 1993-03-29 1994-06-09 Dolata Tilo Dipl Ing Vielzweck-Gaswäscher
US5330725A (en) * 1990-06-07 1994-07-19 Rust Industrial Services Inc. Vacuum truck exhaust gas treatment apparatus
FR2788994A1 (fr) * 1999-01-28 2000-08-04 Sirven Procede et installation pour l'epuration chimique de la vapeur dans un deshydrateur a compression mecanique de la vapeur

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1419196A1 (de) * 1958-12-28 1968-10-03 Takeda Pharmaceutical Vorrichtung zur Durchfuehrung von Gas-Fluessigkeits-Reaktionen
US5330725A (en) * 1990-06-07 1994-07-19 Rust Industrial Services Inc. Vacuum truck exhaust gas treatment apparatus
EP0501599A1 (fr) * 1991-02-27 1992-09-02 Mitsubishi Jukogyo Kabushiki Kaisha Dispositif d'absorption du dioxyde de carbone des gaz
DE9304777U1 (de) * 1993-03-29 1994-06-09 Dolata Tilo Dipl Ing Vielzweck-Gaswäscher
FR2788994A1 (fr) * 1999-01-28 2000-08-04 Sirven Procede et installation pour l'epuration chimique de la vapeur dans un deshydrateur a compression mecanique de la vapeur

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