WO2014044578A1 - Procédé d'épuration de l'air pollué évacué d'une installation de peinture par immersion cathodique, et installation d'épuration d'air pollué - Google Patents

Procédé d'épuration de l'air pollué évacué d'une installation de peinture par immersion cathodique, et installation d'épuration d'air pollué Download PDF

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Publication number
WO2014044578A1
WO2014044578A1 PCT/EP2013/068749 EP2013068749W WO2014044578A1 WO 2014044578 A1 WO2014044578 A1 WO 2014044578A1 EP 2013068749 W EP2013068749 W EP 2013068749W WO 2014044578 A1 WO2014044578 A1 WO 2014044578A1
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WO
WIPO (PCT)
Prior art keywords
exhaust air
heat exchanger
furnace
cleaning
washing liquid
Prior art date
Application number
PCT/EP2013/068749
Other languages
German (de)
English (en)
Inventor
Uwe SUCHLAND
Original Assignee
Kirchhoff Automotive Deutschland Gmbh
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Filing date
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Application filed by Kirchhoff Automotive Deutschland Gmbh filed Critical Kirchhoff Automotive Deutschland Gmbh
Priority to PL411613A priority Critical patent/PL235348B1/pl
Publication of WO2014044578A1 publication Critical patent/WO2014044578A1/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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75—Multi-step processes
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/84—Biological processes
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/84—Biological processes
    • B01D53/85—Biological processes with gas-solid contact
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D13/00—Electrophoretic coating characterised by the process
    • C25D13/22—Servicing or operating apparatus or multistep processes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
    • B01D2252/10—Inorganic absorbents
    • B01D2252/103—Water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/708—Volatile organic compounds V.O.C.'s
    • 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
    • B01D2258/0258—Other waste gases from painting equipments or paint drying installations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/65—Employing advanced heat integration, e.g. Pinch technology
    • 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
    • B01D53/02—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 adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • 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
    • B01D53/1487—Removing organic compounds
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Definitions

  • the invention relates to a method for cleaning the exhaust air of a furnace as part of a cathodic dip painting system. Furthermore, the invention relates to a system for cleaning the exhaust air of a furnace as part of a cathodic dip painting system.
  • ovens are part of equipment used in the process of coating objects.
  • this term encompasses different processes in which solvents are released by means of a treatment in the oven which follows the actual coating process, whether for drying and / or curing, and / or its cracking products, and with the oven exhaust air be led out of the oven.
  • solvents are solvents in vapor form and / or solvent decomposition products, which are often also referred to as cracking products.
  • the furnace exhaust air discharged to the environment is purified, that is to say that solvents or decomposition or decomposition products thereof are contained therein only in a tolerable proportion, if at all.
  • the warm kiln exhaust gases are cleaned by a thermal aftertreatment.
  • the kiln exhaust gases themselves have temperatures of about 170-180 ° C.
  • the furnace exhaust air is brought to temperatures of over 700 ° C.
  • Burners preferably gas burners, are used for this purpose in order to provide the necessary temperature lift. Due to the thermal treatment, entrained organic compounds, for example solvents and entrained cracked products, are burned in the furnace exhaust air. At the exit of the thermal post-combustion stage, the combustion exhaust gases are released to the environment. This is the exhaust gas produced by the gas combustion process as well as thereby thermally treated and thus made environmentally friendly furnace exhaust air.
  • DE 36 08 170 discloses a method for the purification of polluted with biodegradable contaminants exhaust air.
  • the exhaust air is passed through an absorption tower in which the impurities are absorbed by a washing liquid containing microorganisms which decompose the impurities. It is provided that the exhaust air is pre-cleaned in a first step with a highly loaded washing liquid and then cleaned in a second step with a lightly loaded washing liquid.
  • this exhaust air from spray booths or drying chambers of paint shops can be cleaned, which is optionally cooled in advance by means of a heat exchanger.
  • DE 197 30 936 discloses a method for the circulation of process components during the application of coating compositions to wood and wood-based materials and a biodegradable coating agent therefor.
  • excess coating agent is collected in water, whereby the solvents partly pass into the water, partly into the exhaust air.
  • Solid constituents of the coating agent are separated from the water and reused, while the water with the liquid components is used to moisten the exhaust air before it is passed through a biofilter in which organic components of microorganisms are degraded.
  • US Pat. No. 5,409,834 discloses a filter device with which impurities can be removed from the exhaust air, for example from a spray booth.
  • the exhaust air is in a first chamber with a liquid sprayed containing microorganisms.
  • the air is passed through a filter medium, which is sprayed with a liquid that also contains microorganisms.
  • the air is passed through an activated carbon filter.
  • DE 199 28 087 shows a filter system for biological waste air and emission control.
  • the exhaust air is passed through a serving as a support matrix for microorganisms filter bed after it has been pre-moistened.
  • the filter bed which consists of activated carbon particles, is moistened with a nutrient solution, which is also used to humidify the exhaust air.
  • the invention is therefore based on the object of developing an aforementioned method and an aforementioned plant in such a way that the exhaust aftertreatment for reducing, at best, for eliminating the solvent contained therein and / or its cracking products energy-technically improved and therefore can be carried out or operated cost-effective.
  • the method-related object is achieved according to the invention by an initially mentioned, generic method in which the warm exhaust air is cooled in a heat exchanger to a suitable temperature for the subsequent cleaning step and the subsequent purification of the exhaust air in the way of at least one biological process by degradation of solvent by means of microorganisms.
  • the cooled exhaust air to be cleaned is enriched with aqueous scrubbing liquid in order to wash organic compounds entrained therefrom in the exhaust air stream, wherein a filtering process is followed by the step of scrubbing organic compounds from the exhaust air stream, in which the exhaust air is followed by one or more a plurality of parallel or sequentially switched, solvent or their cracking products degrading, microorganisms carrying biofilters is passed.
  • a first biological purification stage which is a washing stage in which organic compounds entrained in the waste air, for example solvents and / or their cracked products are washed out and the washed-out solvent is broken down by microorganisms contained in the washing liquid, is followed by a second biological purification stage.
  • a biological filter stage with one or more filter chambers filled with the same or different biofilter material, which biomaterial carries suitable microorganisms for the degradation of entrained organic compounds in the exhaust air, such as solvents and / or their cracking products.
  • this exhaust air purification method makes use of the fact that the furnace exhaust gas is warm, but this may only have a certain maximum temperature for the biological purification. This predetermined for the implementation of the biological cleaning process maximum temperature is well below the exiting the exhaust air temperature. While the oven exhaust air temperature can be between 170 ° C and 180 ° C, the exhaust air temperature at the entrance of a biological treatment stage may only be high enough for the exhaust air temperature to reach Cleaning process microorganisms used to take no harm. Typically used are microorganisms that withstand temperatures of 40 ° C to 60 ° C. For this reason, in a first step, the warm furnace exhaust air is cooled down in a heat exchanger to the temperature which is necessary or suitable for carrying out the biological purification process (s).
  • the heat gained in this way can be used to generate energy for the operation of the biological treatment stage itself, if needed in the course of the process.
  • the recovered heat energy can be used as such, for example by being incorporated in process steps where heat is needed.
  • This may, for example, be a temperature control of the pretreatment baths of a cathodic dip-coating installation, which is particularly expedient if the oven whose exhaust air is cleaned is assigned to this dip-painting installation.
  • the heat recovered from the furnace by cooling the furnace exhaust air is then reintroduced into the process preceding the furnace. From the heat recovered from the oven exhaust heat and electrical energy can be generated, should this be desired.
  • the washing liquid can serve as a transport medium for supplying the solvent taken up as an organic compound into a biological treatment tank containing the microorganisms.
  • the washing liquid provided for washing out the organic compounds from the furnace exhaust air is already enriched with microorganisms. Degradation of the solvent via the metabolism of the microorganisms then takes place during this process step.
  • the washout step takes place here in one or more columns, which can also be connected in parallel depending on the throughput.
  • An arrangement of several consecutive columns increases the degree of the leached from the exhaust air organic compounds.
  • Such a column is filled with packing, wherein the washing liquid e- as well as the exhaust air conducted thereby takes place through the remaining between the packing cavity.
  • the fillers are primarily used to increase the specific surface area within such a column. These are typically arranged as a loose bed on a support grid in such a column. Typical shapes of such fillers are cylindrical shapes, which may well have textured surfaces to increase the overall surface area. The aim of this packing is to achieve the most complete possible wetting of the introduced oven exhaust air when flowing through the sprayed with washing liquid filler.
  • the scrubbing liquid is typically sprayed above the filler charge into such a column so that it flows through the column due to gravity.
  • the column is preferably located in or above a storage container in which the washing liquid is stored and from which the washing liquid required for spraying the filling body is withdrawn, for example by means of a pump.
  • the furnace exhaust air is passed in countercurrent and thus from bottom to top through such a column.
  • Such an arrangement causes a particularly good turbulence between washing liquid and exhaust air stream, which favors the desired washout. It is understood that the length of such a wash column has an influence on the amount of organic compounds washed out of the exhaust air stream. Not always is this process step sufficient to adequately purify the exhaust air from organic compounds such as solvents and its cracking products.
  • a biofilter typically consists of several individual purification stages, wherein for the purpose of cleaning the exhaust air flow is passed through different biological materials.
  • These biological materials may be an aggregate of bark mulch.
  • the biological materials used are preferably also occupied by microorganisms, so that the further purification of the exhaust air takes place by decomposition of the entrained organic compounds in this way.
  • bark mulch this material is already taken from home with microorganisms.
  • fruit waste such as crushed coconut shells can also be used.
  • a cooling of the oven exhaust air is also carried out by the above washout process, especially if this is done in several, behind-connected columns.
  • the cooling can be included in the total cooling of the kiln exhaust gas, at least in the first column. This, in turn, has the consequence that cooling in the heat exchanger upstream of the biological purification stage does not yet have to take place to the actually permitted maximum temperature. It is also possible that, in the event that microorganisms are contained in the scrubbing liquid of the scrubbing columns, to use microorganisms that withstand higher temperatures, such as temperatures up to 60 ° C and, for example, in the second scrubbing column to use microorganisms that are less temperature resistant are.
  • each cleaning step can be repeated one or more times, an activated carbon filter can be provided through which the exhaust air flow is passed. Under certain circumstances in this remaining organic compound residues are then removed from the exhaust air stream. It is always necessary to use such a further filtering step if it is to be feared that the preceding cleaning steps might not be sufficient.
  • Figure 1 shows in the manner of a schematic block diagram a system 1 for cleaning the exhaust air of a furnace 2.
  • the furnace 2 of the described embodiment is one which belongs to a cathodic dip painting.
  • the exhaust air conveyed via an exhaust air duct 3 by means of a fan (not shown in the figure) acts on the exhaust air purification system 1.
  • the exhaust air purification system 1 comprises a heat exchanger 4, through which the warm exhaust air flow is passed.
  • the temperature of the exhaust air stream is at the outlet of the furnace 2 about 175 ° C.
  • the heat exchanger 4 is designed so that at the output thereof, the exhaust air flow only has a temperature of about 40 ° C to 60 ° C.
  • a liquid typically water is heated as a heat exchange medium.
  • the heated heat exchanger liquid is led away from the heat exchanger 4 via a heating line H and the pretreatment baths V of the dip coating system supplied, to which also the furnace 2 is associated.
  • the heat entrained in the heat exchanger liquid serves to temper the pretreatment baths V.
  • a heat transfer from the heat removed from the heat exchanger 4 via the heating line H into the pretreatment baths V takes place via a water-water heat exchanger.
  • the cooled heat exchanger liquid is returned to the inlet of the heat exchanger 4.
  • the temperature in the heating line H is about 65 to 75 ° C; that in the return line 45 to 50 ° C.
  • a first biological treatment stage 5 Downstream of the heat exchanger 4 in the flow direction of the exhaust air stream, a first biological treatment stage 5 is provided.
  • the biological treatment step 5 is one in which the entrained in the exhaust solvent and cracking products thereof are washed out as organic compounds.
  • the first biological purification stage 5 has two wash columns 6, 6.1 connected in series.
  • the two washing columns 6, 6.1 are constructed identically.
  • the washing column 6 is described below. The same applies to the wash column 6.1.
  • the scrubbing column 6 is located above an original container 7, specifically in such a way that liquid emerging from the scrubbing column 6 runs into the feed container 7 on the underside.
  • the washing column 6 is associated with a pump 8, with the scrubbing liquid located in the feed tank 7, typically an aqueous scrubbing liquid with microorganisms contained therein, the scrubbing column 6 can be supplied.
  • the washing liquid is introduced into the column 6 by means of a nozzle arrangement 9, which is located in the upper region of the washing column 6.
  • the wash column 6 is filled with beds of packing 10, wherein for the purpose of leaching of solvents and cracking products, the Mountainenia be used.
  • the filling bodies or the filling body intermediate spaces serve to enlarge the surface which is effective in the column and to generate turbulences.
  • the nozzle arrangement 9 is located above the packing 10.
  • the storage tank 7 To assist in the metabolic process of the microorganisms in the storage tank 7, it is aerated continuously or from time to time, that is, oxygen is introduced into the washing liquid contained in the storage tank 7 to assist the metabolic process of the microorganisms.
  • oxygen is introduced into the washing liquid contained in the storage tank 7 to assist the metabolic process of the microorganisms.
  • ambient air is used.
  • two wash columns are provided in the exemplary embodiment described - the wash columns 6, 6.1. From the outlet of the scrubbing column 6, the partially purified exhaust air is introduced into the second scrubbing column 6.1.
  • the first biological treatment stage 5 is followed by a second biological treatment stage 1 1.
  • three biofilters 12, 12.1, 12.2 are provided.
  • the biofilters 12, 12.1, 12.2 are operated in parallel.
  • the biofilters 12, 12.1, 12.2 are connected in parallel with respect to the exhaust air flow.
  • Each biofilter 12, 12.1, 12.2 contains a particular biological filter material suitable as a carrier for microorganisms thereon.
  • the activated carbon filter unit 13 comprises only two activated carbon filter units 14, 14.1, which are connected in series in the flow direction of the exhaust air, only to increase the safety of operation of the kiln exhaust air purification system 1.
  • the exhaust air flowing through the outlet of the second biological treatment stage 11 can be discharged into the environment. That the exhaust air is still passed through the activated carbon filter unit 13, serves to increase the reliability, so that even in case of incidents not previously removed from the exhaust solvent is removed at the latest in the activated carbon filtration from the exhaust air. Passing the cleaned exhaust air through the Activated carbon filter unit 13, since it is already freed of organic compounds in principle, also does not lead to a consumption of activated carbon bedding 14, 14.1. As a rule, these only rarely need to be replaced, for example after an accident.

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  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
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  • General Chemical & Material Sciences (AREA)
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  • Treating Waste Gases (AREA)

Abstract

L'invention concerne un procédé d'épuration de l'air pollué évacué d'un four (2) faisant partie d'une installation de peinture par immersion cathodique et utilisé dans le cadre d'un processus de revêtement chimique pour le revêtement d'objets. Le procédé comprend une première étape qui consiste à refroidir l'air pollué chaud dans un échangeur de chaleur (4) à une température appropriée pour l'étape suivante d'épuration, l'épuration de l'air vicié étant ensuite effectuée au moyen d'au moins un processus biologique par dégradation des composés organiques, par exemple des solvants et/ou de leurs produits de craquage, par des micro-organismes. L'air pollué refroidi à épurer est enrichi avec un liquide de lavage aqueux. L'enrichissement en eau est effectué dans le flux d'air pollué dans une colonne de lavage (6, 6.1) comprenant au moins un corps de remplissage, dans laquelle le liquide de lavage prélevé dans un réservoir de stockage (7) est introduit par un système de pulvérisation, et de laquelle le liquide de lavage sort par le bas sous l'effet de la gravité et entre dans le réservoir de stockage. L'air pollué traverse la colonne (6, 6.1) à contre-courant de la trajectoire du liquide de lavage. L'étape d'élimination par lavage des composés organiques contenus dans le flux d'air pollué est suivie d'un processus de filtration au cours duquel l'air pollué traverse un ou plusieurs biofiltres (5, 11) montés en parallèle ou les uns dans les autres et portant des micro-organismes dégradant les solvants ou leurs produits de craquage. L'invention concerne par ailleurs une installation (1) d'épuration de l'air pollué évacué d'un four (2) utilisé dans le cadre d'un processus de revêtement chimique pour le revêtement d'objets, l'installation comprenant un échangeur de chaleur (4) qui est monté en aval du four (2) dans le sens de l'écoulement de l'air pollué et qui refroidit l'air pollué chaud du four à une température appropriée pour l'étape suivante d'épuration, et au moins un étage d'épuration biologique (5, 11) monté en aval de l'échangeur de chaleur (4).
PCT/EP2013/068749 2012-09-21 2013-09-10 Procédé d'épuration de l'air pollué évacué d'une installation de peinture par immersion cathodique, et installation d'épuration d'air pollué WO2014044578A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL411613A PL235348B1 (pl) 2012-09-21 2013-09-10 Sposób oczyszczania powietrza odlotowego z pieca instalacji do katodowego malowania zanurzeniowego oraz instalacja do stosowania tego sposobu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012108924.8 2012-09-21
DE102012108924.8A DE102012108924B4 (de) 2012-09-21 2012-09-21 Verfahren zum Reinigen der Abluft eines Ofens sowie Abluftreinigungsanlage

Publications (1)

Publication Number Publication Date
WO2014044578A1 true WO2014044578A1 (fr) 2014-03-27

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PCT/EP2013/068749 WO2014044578A1 (fr) 2012-09-21 2013-09-10 Procédé d'épuration de l'air pollué évacué d'une installation de peinture par immersion cathodique, et installation d'épuration d'air pollué

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DE (1) DE102012108924B4 (fr)
PL (1) PL235348B1 (fr)
WO (1) WO2014044578A1 (fr)

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CN109999636A (zh) * 2019-05-06 2019-07-12 华川技术有限公司 废气脱硫脱硝及资源化装置
CN112691513A (zh) * 2020-12-03 2021-04-23 湖北三宁化工股份有限公司 一种voc废气预处理系统及工艺
CN112933939A (zh) * 2021-03-03 2021-06-11 于久水 一种喷淋塔填料层可升降调节废气处理设备

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CN109091982B (zh) * 2018-09-04 2021-04-16 深圳市天浩洋环保股份有限公司 一种工业废气处理方法
CN114383428A (zh) * 2020-10-22 2022-04-22 南京华电节能环保股份有限公司 一种碳素烟气的节能环保治理工艺

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1525916A (en) * 1976-06-14 1978-09-27 Duerr Gmbh & Co Process and apparatus for purifying exhaust air
EP0142872A1 (fr) * 1983-08-31 1985-05-29 Clair Tech B.V. Procédé et dispositif pour le traitement biologique des gaz de fumée
JPH04396A (ja) * 1990-04-16 1992-01-06 Kansai Paint Co Ltd 水洗装置
DE19730936A1 (de) * 1997-07-18 1999-01-21 Rlt Aps Ren Lak Teknologi Verfahren zum kreislaufförmigen Führen von Prozeßkomponenten bei der Applikation von Überzugsmitteln sowie Überzugsmittel hierzu

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3608170A1 (de) * 1986-03-12 1987-09-17 Gewerk Keramchemie Verfahren und vorrichtung zur reinigung von mit biologisch abbaubaren verunreinigungen belasteter abluft
US5409834A (en) * 1993-04-06 1995-04-25 Birdwell; Robert S. Method and apparatus for removing pollutants from a source of polluted air
DE19928087A1 (de) * 1999-06-11 2000-12-14 Andreas Bartetzko Filteranlage zur biologischen Abluft- und Abgasreinigung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1525916A (en) * 1976-06-14 1978-09-27 Duerr Gmbh & Co Process and apparatus for purifying exhaust air
EP0142872A1 (fr) * 1983-08-31 1985-05-29 Clair Tech B.V. Procédé et dispositif pour le traitement biologique des gaz de fumée
JPH04396A (ja) * 1990-04-16 1992-01-06 Kansai Paint Co Ltd 水洗装置
DE19730936A1 (de) * 1997-07-18 1999-01-21 Rlt Aps Ren Lak Teknologi Verfahren zum kreislaufförmigen Führen von Prozeßkomponenten bei der Applikation von Überzugsmitteln sowie Überzugsmittel hierzu

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 199207, Derwent World Patents Index; AN 1992-053848, XP002717787 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107158934A (zh) * 2017-07-20 2017-09-15 重庆阳正环保科技股份有限公司 一种voc气体的处理方法
CN107158934B (zh) * 2017-07-20 2019-04-09 重庆阳正环保科技股份有限公司 一种voc气体的处理方法
CN109999636A (zh) * 2019-05-06 2019-07-12 华川技术有限公司 废气脱硫脱硝及资源化装置
CN112691513A (zh) * 2020-12-03 2021-04-23 湖北三宁化工股份有限公司 一种voc废气预处理系统及工艺
CN112933939A (zh) * 2021-03-03 2021-06-11 于久水 一种喷淋塔填料层可升降调节废气处理设备

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