GB8926951D0 - Method of removing nox by adsorption,nox adsorbent and apparatus for purifying nox-containing gas - Google Patents

Method of removing nox by adsorption,nox adsorbent and apparatus for purifying nox-containing gas

Info

Publication number
GB8926951D0
GB8926951D0 GB898926951A GB8926951A GB8926951D0 GB 8926951 D0 GB8926951 D0 GB 8926951D0 GB 898926951 A GB898926951 A GB 898926951A GB 8926951 A GB8926951 A GB 8926951A GB 8926951 D0 GB8926951 D0 GB 8926951D0
Authority
GB
United Kingdom
Prior art keywords
nox
adsorption
containing gas
purifying
adsorbent
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.)
Granted
Application number
GB898926951A
Other versions
GB2238489A (en
GB2238489B (en
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 GB8926951D0 publication Critical patent/GB8926951D0/en
Publication of GB2238489A publication Critical patent/GB2238489A/en
Application granted granted Critical
Publication of GB2238489B publication Critical patent/GB2238489B/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
GB8926951A 1988-05-30 1989-11-29 Method of removing NOx by adsorption and NOx adsorbent Expired - Fee Related GB2238489B (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
GB8926951D0 true GB8926951D0 (en) 1990-01-17
GB2238489A GB2238489A (en) 1991-06-05
GB2238489B GB2238489B (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 After (1)

Application Number Title Priority Date Filing Date
GB9316251A Expired - Fee Related GB2267047B (en) 1988-05-30 1993-08-05 Apparatus for purifying NOx - containing gas

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (7)

* 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

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
JPH01299642A (en) 1989-12-04
GB9316251D0 (en) 1993-09-22
GB2267047B (en) 1994-03-30
GB2238489A (en) 1991-06-05
JPH0523828B2 (en) 1993-04-05
GB2238489B (en) 1994-03-30
DE3939480A1 (en) 1991-06-06
GB2267047A (en) 1993-11-24

Similar Documents

Publication Publication Date Title
HUT62206A (en) Method and apparatus for purifying gases particularly air and flue gases
GB2173182B (en) Methods and apparatus for purifying inert gas streams
EP0337809A3 (en) Catalyst for purifying exhaust gas and method for production thereof
ZA886879B (en) Method for scrubbing pollutants from and exhaust gas stream
AU634005B2 (en) Catalyst for and method of purifying oxygen-excess exhaust gas
PL297357A1 (en) Apparatus for catalytically detoxicating exhaust gases
EP0558159A3 (en) Catalyst for purifying exhaust gas and method for production thereof
EP0658369A3 (en) Method for purification of exhaust gas and apparatus used for purification.
DE3682924D1 (en) METHOD AND APPARATUS FOR PURIFYING A HIGH NITROGEN GAS.
PL308492A1 (en) Method of catalitically purifying exhaust gases
EP0499286A3 (en) Catalyst for and method of purifying exhaust gas
GB8926951D0 (en) Method of removing nox by adsorption,nox adsorbent and apparatus for purifying nox-containing gas
EP0729784A4 (en) Adsorbent for interleukins, method of removal thereof by adsorption, and device for adsorption
GB2220868B (en) Apparatus for continuously purifying gases
AU6853490A (en) Method for purification of exhaust gas and apparatus therefor
HUT45914A (en) Method for removing acidic gases from gas mixtures
KR900007467A (en) Method and device for purifying contaminated gas
PL299244A1 (en) Method of obtaining a sorbent for removing harmful components from exhaust gas stream, method of removing harmful components from exhaust gas stream and sorbent for removing harmful components from exhaust gas stream
PL308479A1 (en) Exhaust gas purifying method
PL279644A1 (en) Method of and apparatus for removing hydrocarbons and their derivatives from gaseous mixture by means of solid absorbents
PL286126A1 (en) Method and device for purifying flue gas
PL294550A1 (en) Method of purifying gases, in particular exhaust ones, with a carbonaceous sorbent
HU9203474D0 (en) Method for purifying gases containing nitrogen oxides
PL271840A1 (en) Method of purifying desorption gases, in particular those obtained in fuel gas desulfurization processes
PL265427A1 (en) Method of purifying gaseous mixtures by adsorption processes and adsorber therefor

Legal Events

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

Effective date: 19961129