GB2267047B - Apparatus for purifying NOx - containing gas - Google Patents

Apparatus for purifying NOx - containing gas

Info

Publication number
GB2267047B
GB2267047B GB9316251A GB9316251A GB2267047B GB 2267047 B GB2267047 B GB 2267047B GB 9316251 A GB9316251 A GB 9316251A GB 9316251 A GB9316251 A GB 9316251A GB 2267047 B GB2267047 B GB 2267047B
Authority
GB
United Kingdom
Prior art keywords
containing gas
purifying nox
nox
purifying
gas
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB9316251A
Other versions
GB9316251D0 (en
GB2267047A (en
Inventor
Shigenori Onitsuka
Masayoshoi Ichiki
Takanobu Watanabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Zosen Corp
Original Assignee
Hitachi Zosen Corp
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 Hitachi Zosen Corp filed Critical Hitachi Zosen Corp
Publication of GB9316251D0 publication Critical patent/GB9316251D0/en
Publication of GB2267047A publication Critical patent/GB2267047A/en
Application granted granted Critical
Publication of GB2267047B publication Critical patent/GB2267047B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9481—Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start
    • 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
    • B01D53/06—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 moving adsorbents, e.g. rotating beds
    • 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
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
    • F24F3/1423—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant with a moving bed of solid desiccants, e.g. a rotary wheel supporting solid desiccants
    • 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
    • B01D2253/106—Silica or silicates
    • 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
    • B01D2253/106—Silica or silicates
    • B01D2253/108—Zeolites
    • B01D2253/1085—Zeolites characterized by a silicon-aluminium ratio
    • 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
    • B01D2253/112—Metals or metal compounds not provided for in B01D2253/104 or B01D2253/106
    • 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
    • B01D2253/25—Coated, impregnated or composite adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/404—Nitrogen oxides other than dinitrogen oxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/80—Water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • B01D2259/40086—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by using a purge gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
    • B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/402—Further details for adsorption processes and devices using two beds
    • 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
    • B01D53/26—Drying gases or vapours
    • B01D53/261—Drying gases or vapours by adsorption
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1032—Desiccant wheel
    • F24F2203/1036—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1056—Rotary wheel comprising a reheater
    • F24F2203/106—Electrical reheater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1072—Rotary wheel comprising two rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1084—Rotary wheel comprising two flow rotor segments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1092—Rotary wheel comprising four flow rotor segments

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treating Waste Gases (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
GB9316251A 1988-05-30 1993-08-05 Apparatus for purifying NOx - containing gas Expired - Fee Related GB2267047B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63133446A JPH01299642A (en) 1988-05-30 1988-05-30 Adsorbent for nitrogen oxide having low concentration

Publications (3)

Publication Number Publication Date
GB9316251D0 GB9316251D0 (en) 1993-09-22
GB2267047A GB2267047A (en) 1993-11-24
GB2267047B true GB2267047B (en) 1994-03-30

Family

ID=15104969

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8926951A Expired - Fee Related GB2238489B (en) 1988-05-30 1989-11-29 Method of removing NOx by adsorption and NOx adsorbent
GB9316251A Expired - Fee Related GB2267047B (en) 1988-05-30 1993-08-05 Apparatus for purifying NOx - containing gas

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8926951A Expired - Fee Related GB2238489B (en) 1988-05-30 1989-11-29 Method of removing NOx by adsorption and NOx adsorbent

Country Status (3)

Country Link
JP (1) JPH01299642A (en)
DE (1) DE3939480A1 (en)
GB (2) GB2238489B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4209962C1 (en) * 1992-03-27 1993-09-16 Bergwerksverband Gmbh, 45307 Essen, De
NO932152L (en) * 1993-06-11 1994-12-12 Abb Miljoe Norsk Viftefab Adsorption
JP3104113B2 (en) * 1993-08-24 2000-10-30 日立造船株式会社 Method for regenerating adsorbent in NOx adsorption removal device
FR2728806A1 (en) * 1994-12-29 1996-07-05 Inst Francais Du Petrole ADSORBENTS USEFUL IN PROCESSES FOR PURIFYING ATMOSPHERES POLLUTED WITH NITROGEN OXIDE
JP2008036544A (en) * 2006-08-07 2008-02-21 Toyota Motor Corp Nitrogen oxide adsorbent and its production method
DE102009000660A1 (en) * 2009-02-06 2010-08-12 Robert Bosch Gmbh battery module
CN109589949B (en) * 2018-12-21 2021-11-02 齐鲁工业大学 Synthesis method and application of ionic liquid loaded porous material
CN112595564A (en) * 2020-11-25 2021-04-02 西南化工研究设计院有限公司 Removing NOxMethod for removing water from gas

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1596425A (en) * 1968-12-27 1970-06-15
GB1393053A (en) * 1972-08-30 1975-05-07 Atomic Energy Commission Catalytic reduction of nitrogen oxides
US4128504A (en) * 1973-02-05 1978-12-05 Mobil Oil Corporation Stabilized zinc-containing zeolites
JPS5159067A (en) * 1974-11-20 1976-05-22 Nippon Kokan Kk
US4170571A (en) * 1977-12-27 1979-10-09 Union Carbide Corporation Novel combustion catalyst
SE429301B (en) * 1981-12-30 1983-08-29 Munters Ab Carl SET ON DRYING A GAS AND APPLIANCE FOR PERFORMING THE SET
US4483936A (en) * 1983-04-22 1984-11-20 Exxon Research & Engineering Co. Modified zeolite catalyst composition for alkylating toluene with methanol to form styrene
JPS59230642A (en) * 1983-06-15 1984-12-25 Toyo Soda Mfg Co Ltd Selective reducing and denitrating catalyst and denitration method of gas using the same
DE3505416A1 (en) * 1985-02-16 1986-08-21 Kraftanlagen Ag, 6900 Heidelberg METHOD FOR THE SELECTIVE REMOVAL OF NITROGEN OXIDS FROM EXHAUST GASES
DE3513567A1 (en) * 1985-04-16 1986-10-16 Bayer Ag, 5090 Leverkusen METHOD FOR REDUCING NITROGEN OXIDES
DE3528122A1 (en) * 1985-08-06 1987-02-12 Richard Scheuchl PLANT FOR RECOVERING SOLVENTS FROM A PROCESS GAS FLOW
US4783433A (en) * 1985-11-19 1988-11-08 Nippon Kokan Kabushiki Kaisha Selective adsorbent for CO and method of manufacturing the same
JPH0628173Y2 (en) * 1986-03-10 1994-08-03 株式会社西部技研 Moisture exchange element
DE3635284A1 (en) * 1986-10-16 1988-04-28 Steuler Industriewerke Gmbh CATALYST FOR REMOVING NITROGEN OXIDS FROM EXHAUST GAS
FR2622474B2 (en) * 1987-04-03 1990-01-26 Azote & Prod Chim CATALYTIC COMPOSITION FOR THE SELECTIVE REDUCTION OF NITROGEN OXIDES CONTAINED IN OXYGENOUS GAS EFFLUENTS AND METHOD FOR THE PURIFICATION OF SUCH EFFLUENTS
JPH0729049B2 (en) * 1987-04-30 1995-04-05 三菱重工業株式会社 Method for removing arsenic compounds in combustion exhaust gas
EP0326667A1 (en) * 1987-11-28 1989-08-09 Dornier Gmbh Catalyst for selective reduction of nitrogen oxides
DE3805734A1 (en) * 1988-02-24 1989-08-31 Bosch Gmbh Robert USE OF ZEOLITES AS SPECIFIC ADSORBENTS FOR NO (DOWN ARROW) X (DOWN ARROW) AND CO
JPH0763631B2 (en) * 1988-04-18 1995-07-12 トヨタ自動車株式会社 Exhaust gas purification catalyst manufacturing method

Also Published As

Publication number Publication date
GB8926951D0 (en) 1990-01-17
JPH0523828B2 (en) 1993-04-05
GB2238489B (en) 1994-03-30
GB9316251D0 (en) 1993-09-22
GB2238489A (en) 1991-06-05
JPH01299642A (en) 1989-12-04
GB2267047A (en) 1993-11-24
DE3939480A1 (en) 1991-06-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19961129