MY109975A - Method and apparatus for removing undesirable chemical substances from gases, exhaust gases, vapors, and brines - Google Patents

Method and apparatus for removing undesirable chemical substances from gases, exhaust gases, vapors, and brines

Info

Publication number
MY109975A
MY109975A MYPI92002356A MYPI19922356A MY109975A MY 109975 A MY109975 A MY 109975A MY PI92002356 A MYPI92002356 A MY PI92002356A MY PI19922356 A MYPI19922356 A MY PI19922356A MY 109975 A MY109975 A MY 109975A
Authority
MY
Malaysia
Prior art keywords
catalysts
gases
brines
vapors
catalyst
Prior art date
Application number
MYPI92002356A
Inventor
Franz Dietrich Deste
Original Assignee
Oeste Franz Dietrich
Aalbers Robert
Dietrich Olga Geb Leye
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
Application filed by Oeste Franz Dietrich, Aalbers Robert, Dietrich Olga Geb Leye filed Critical Oeste Franz Dietrich
Publication of MY109975A publication Critical patent/MY109975A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00Other air-treating devices
    • B60H3/06Filtering
    • B60H3/0608Filter arrangements in the air stream
    • B60H3/0633Filter arrangements in the air stream with provisions for regenerating or cleaning the filter element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • B01D53/8659Removing halogens or halogen compounds
    • B01D53/8662Organic halogen compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/122Incoherent waves
    • B01J19/123Ultraviolet light
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56Platinum group metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39Photocatalytic properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/0215Coating
    • B01J37/0217Pretreatment of the substrate before coating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/0215Coating
    • B01J37/0232Coating by pulverisation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00Other air-treating devices
    • B60H3/06Filtering
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2086Activating the catalyst by light, photo-catalysts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2255/00Catalysts
    • B01D2255/80Type of catalytic reaction
    • B01D2255/802Photocatalytic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00106Controlling the temperature by indirect heat exchange
    • B01J2208/00168Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00176Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles outside the reactor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/0053Controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00592Controlling the pH
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18Details relating to the spatial orientation of the reactor
    • B01J2219/182Details relating to the spatial orientation of the reactor horizontal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00Other air-treating devices
    • B60H3/06Filtering
    • B60H2003/0675Photocatalytic filters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00Other air-treating devices
    • B60H3/06Filtering
    • B60H2003/0691Adsorption filters, e.g. activated carbon
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/30Capture or disposal of greenhouse gases of perfluorocarbons [PFC], hydrofluorocarbons [HFC] or sulfur hexafluoride [SF6]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

THE PRESENT INVENTION RELATES TO A METHOD AND PERTINENT APPARATUS FOR PURIFYING GASES, EXHAUST GASES, VAPORS, AND BRINES, WHICH ARE CONTAMINATED WITH UNDESIRABLE CHEMICAL SUBSTANCES OR CONTAIN HIGH CONCENTRATIONS OF THESE SUBSTANCES, BY MEANS OF PHOTOCATALYTIC REACTIONS OCCURRING ON THE SURFACE OF CATALYSTS.THE CATALYSTS ARE SITUATED IN A FIXED (1, 19) OR FLUIDIZED (78) BED ON CATALYST CARRIERS (1). IN FLUIDIZED BEDS (78), THE CATALYSTS THEMSELVES CAN SERVE AS CATALYST CARRIERS. THE SUBSTRATES TO BE PURIFIED ARE FED THROUGH A CLOSED SYSTEM WHICH CONTAINS THE CATALYST CARRIERS AND CATALYSTS.IN THE FIXED-BED (1, 19) CATALYTIC METHOD THE CATALYST CARRIER/CATALYST SYSTEM CONTINUOUSLY OR DISCONTINUOUSLY PASSES THROUGH A WASHING ZONE (12) TO REMOVE THE GENERATED MINERALIZATION PRODUCTS.THE REACTION IS INDUCED BY SHORTWARE PHOTONS OF WAVELENGTHS BETWEEN 250 AND 400 NM. (FIG. 2)
MYPI92002356A 1991-12-21 1992-12-21 Method and apparatus for removing undesirable chemical substances from gases, exhaust gases, vapors, and brines MY109975A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4142520 1991-12-21
DE4241451A DE4241451A1 (en) 1991-12-21 1992-12-09 Methods and devices for cleaning gases, exhaust gases, vapors and brines from undesirable chemical substances

Publications (1)

Publication Number Publication Date
MY109975A true MY109975A (en) 1997-10-31

Family

ID=25910422

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI92002356A MY109975A (en) 1991-12-21 1992-12-21 Method and apparatus for removing undesirable chemical substances from gases, exhaust gases, vapors, and brines

Country Status (9)

Country Link
EP (1) EP0590202B1 (en)
JP (1) JPH05337337A (en)
CN (1) CN1076139A (en)
AT (1) ATE142898T1 (en)
AU (1) AU657020B2 (en)
CA (1) CA2085758A1 (en)
DE (2) DE4241451A1 (en)
ES (1) ES2096013T3 (en)
MY (1) MY109975A (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0738539A1 (en) * 1993-01-18 1996-10-23 PCP-PHOTOCATALYTIC PURIFICATION GmbH Process for cleaning gases, waste gases, vapours and water containing unwanted chemical compounds
ES2186733T3 (en) 1994-11-16 2003-05-16 Toto Ltd FUNCTIONAL PHOTOCATALITICAL MATERIAL AND METHOD TO PRODUCE IT.
WO1996038212A2 (en) * 1995-05-23 1996-12-05 United Technologies Corp Back-side illuminated organic pollutant removal system
WO1998011984A1 (en) * 1996-09-20 1998-03-26 Daiken Chemical Co., Ltd. Ultrafine metal particle carrying photocatalyst, highly function material loaded with the photocatalyst, and method of manufacturing them
NL1004961C2 (en) * 1997-01-09 1998-07-13 Dsm Nv Monolith reactor.
IL121877A (en) 1997-10-01 2001-09-13 Yissum Res Dev Co Photocatalysts for the degradation of organic pollutants
CN1057477C (en) * 1998-05-08 2000-10-18 湖北省化学研究所 Steam purifying method and apparatus for change-over system of synthetic ammonia plant
CN1112229C (en) * 1998-05-15 2003-06-25 中国科学院成都有机化学研究所 Method and device for treating organic pollution gas
FR2794033B1 (en) * 1999-05-27 2001-06-29 Ahlstrom Paper Group Res And C PROCESS FOR THE PURIFICATION OF GASEOUS EFFLUENTS BY PHOTOCATALYSIS, INSTALLATION FOR CARRYING OUT SAID METHOD
DE10064317A1 (en) * 2000-12-22 2002-10-17 Studiengesellschaft Kohle Mbh New photocatalysts and methods for their discovery
US6884399B2 (en) * 2001-07-30 2005-04-26 Carrier Corporation Modular photocatalytic air purifier
JP4272865B2 (en) * 2002-09-27 2009-06-03 オサダ技研株式会社 Gas component decomposition method
CN102755711B (en) * 2011-04-29 2016-03-30 云南大学 A kind of Green Destruction technique of high concentration strong acid (alkali) precursor chemicals
JP5822307B2 (en) * 2012-11-22 2015-11-24 有限会社マロニエ技術研究所 Humidifier and humidification method
DE202013105277U1 (en) * 2013-11-21 2015-03-10 Rgenau Industries Kg Catalyst support body
JP6548919B2 (en) * 2015-03-08 2019-07-24 東邦エンジニアリング株式会社 Pad cleaning method
DE102016209952A1 (en) * 2016-06-07 2017-12-07 Robert Bosch Gmbh filter means
CN109731534B (en) * 2018-12-28 2021-05-11 中国纺织科学研究院有限公司 Method for purifying soluble fiber coagulating bath
CN109847256B (en) * 2019-04-17 2021-04-09 湖南知远环保科技有限公司 Ferric arsenate @ polymer arsenic fixation material, preparation method thereof and arsenic fixation method of arsenic-containing solution
CN112208306B (en) * 2019-07-11 2022-05-20 莱恩创科(北京)科技有限公司 On-vehicle antibiotic photocatalysis air purifier that removes flavor
CN111845277A (en) * 2020-07-28 2020-10-30 西安工程大学 Evaporative cooling, cooling and disinfecting bus
CN113663626B (en) * 2021-08-30 2022-09-20 江西科技学院 Photocatalytic degradation device for copper slag waste material and use method
WO2023122693A1 (en) * 2021-12-21 2023-06-29 Nitto Denko Corporation Deactivation resistant catalytic materials and method for making the same
CN114288971A (en) * 2021-12-30 2022-04-08 贵州融晟环保科技有限公司 Be used for high-efficient separator of industrial waste material valuable metal
CN114713014A (en) * 2022-03-23 2022-07-08 成都兴鑫悦环保技术开发有限公司 Rotary packed bed of honeycomb type hypergravity machine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4892712A (en) * 1987-09-04 1990-01-09 Nutech Energy Systems Inc. Fluid purification
JP2691751B2 (en) * 1988-10-14 1997-12-17 株式会社日立製作所 Catalytic structure and method and apparatus for producing the same
JPH02169040A (en) * 1988-12-22 1990-06-29 Matsushita Electric Ind Co Ltd Method for regenerating photocatalyst
JP2564421B2 (en) * 1989-08-24 1996-12-18 工業技術院長 Ventilation equipment for road tunnels
US5045288A (en) * 1989-09-15 1991-09-03 Arizona Board Of Regents, A Body Corporate Acting On Behalf Of Arizona State University Gas-solid photocatalytic oxidation of environmental pollutants
WO1991009823A1 (en) * 1990-01-04 1991-07-11 Trustees Of Boston University Photocatalytic process for degradation of organic materials in a vaporized or gaseous state
DE4023995C2 (en) * 1990-07-28 1994-06-09 Pcp Photocatalytic Purificatio Method and device for fresh air and indoor air purification in motor vehicles

Also Published As

Publication number Publication date
DE59207201D1 (en) 1996-10-24
EP0590202B1 (en) 1996-09-18
CN1076139A (en) 1993-09-15
CA2085758A1 (en) 1993-06-22
ES2096013T3 (en) 1997-03-01
DE4241451A1 (en) 1993-12-16
EP0590202A1 (en) 1994-04-06
ATE142898T1 (en) 1996-10-15
JPH05337337A (en) 1993-12-21
AU3034192A (en) 1993-06-24
AU657020B2 (en) 1995-02-23

Similar Documents

Publication Publication Date Title
MY109975A (en) Method and apparatus for removing undesirable chemical substances from gases, exhaust gases, vapors, and brines
JPH0611378B2 (en) Method for removing volatile organic chlorine compounds
DE69413507D1 (en) Catalytic reactor and process for performing highly exothermic reactions
DE59408471D1 (en) Catalytic hydrodehalogenation of halogen-containing compounds from elements of the fourth main group
EP0444180A4 (en) Gas-solid photocatalytic oxidation of environmental pollutants
AU4797190A (en) Process for regenerating a catalyst for the production of aromatic hydrocarbons or for reforming
DE69308864D1 (en) METHOD FOR PURIFYING INERT GAS
CA2121942A1 (en) Process for the Reactivation of Nickel-Alumina Catalysts
KR20010006615A (en) PROCESS FOR PRODUCING ε-CAPROLACTAM
KR900006484A (en) Contact reforming method in multiple fluidized bed reaction zones arranged in parallel
US6596664B2 (en) Method, catalyst, and photocatalyst for the destruction of phosgene
DE3876464D1 (en) METHOD FOR REMOVING POLLUTANTS FROM GAS.
NL7909090A (en) METHOD FOR TREATING WASTE WATER.
JP3293181B2 (en) Gas phase decomposition treatment method for volatile organic halogen compound-containing gas
CA1073637A (en) Method for catalytically reducing nitrogen oxides
US5961695A (en) Method for treating silane-containing gas
KR890004761A (en) Hydrogen Purification Method
US2593232A (en) Process of concentrating or purifying carbon monoxide occurring in admixture with other gases
SU728902A1 (en) Steam-air mixture purifying method
JP3309403B2 (en) Catalyst regeneration method
ATE83755T1 (en) PROCESS FOR THE HETEROGENOUS CATALYTIC PHOTODECOMPOSITION OF POLLUTANTS.
RU2081695C1 (en) Method for conducting gas-phase chemical processes (aerosol catalysis)
SE7416054L (en)
RU2085263C1 (en) Method of catalytically removing nitrogen monoxide from effluent gases
JPH06106171A (en) Treatment of volatile organohalogen compound