AU4259972A

AU4259972A – Gas treatment
– Google Patents

AU4259972A – Gas treatment
– Google Patents
Gas treatment

Info

Publication number
AU4259972A

AU4259972A
AU42599/72A
AU4259972A
AU4259972A
AU 4259972 A
AU4259972 A
AU 4259972A
AU 42599/72 A
AU42599/72 A
AU 42599/72A
AU 4259972 A
AU4259972 A
AU 4259972A
AU 4259972 A
AU4259972 A
AU 4259972A
Authority
AU
Australia
Prior art keywords
gas treatment
treatment
gas
Prior art date
1971-05-24
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

Application number
AU42599/72A
Inventor
Roger Lindsay
Michael Alan Voisey
Henk Johan Alkema
David Debroy Roberts
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.)

Shell Internationale Research Maatschappij BV

Original Assignee
Shell Internationale Research Maatschappij BV
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.)
1971-05-24
Filing date
1972-05-23
Publication date
1973-11-29

1972-05-23
Application filed by Shell Internationale Research Maatschappij BV
filed
Critical
Shell Internationale Research Maatschappij BV

1973-11-29
Publication of AU4259972A
publication
Critical
patent/AU4259972A/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

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

B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts

B01D53/9463—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick

B01D53/9472—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick in different zones

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

B01D53/9404—Removing only nitrogen compounds

B01D53/9409—Nitrogen oxides

B01D53/9413—Processes characterised by a specific catalyst

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

B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts

B—PERFORMING OPERATIONS; TRANSPORTING

B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

B01D—SEPARATION

B01D2251/00—Reactants

B01D2251/10—Oxidants

B01D2251/102—Oxygen

B—PERFORMING OPERATIONS; TRANSPORTING

B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

B01D—SEPARATION

B01D2255/00—Catalysts

B01D2255/20—Metals or compounds thereof

B01D2255/207—Transition metals

B01D2255/20738—Iron

B—PERFORMING OPERATIONS; TRANSPORTING

B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

B01D—SEPARATION

B01D2255/00—Catalysts

B01D2255/20—Metals or compounds thereof

B01D2255/207—Transition metals

B01D2255/20746—Cobalt

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

AU42599/72A
1971-05-24
1972-05-23
Gas treatment

Expired

AU4259972A
(en)

Applications Claiming Priority (3)

Application Number
Priority Date
Filing Date
Title

GB1657071A

GB1392183A
(en)

1971-05-24
1971-05-24
Method and apparatus for catalytically treating internal combu stion engine exhaust gases

GB1778071

1971-05-28

GB4340071

1971-09-17

Publications (1)

Publication Number
Publication Date

AU4259972A
true

AU4259972A
(en)

1973-11-29

Family
ID=27257397
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU42599/72A
Expired

AU4259972A
(en)

1971-05-24
1972-05-23
Gas treatment

Country Status (5)

Country
Link

AU
(1)

AU4259972A
(en)

DE
(1)

DE2224949A1
(en)

FR
(1)

FR2138891A1
(en)

GB
(1)

GB1392183A
(en)

IT
(1)

IT960110B
(en)

1971

1971-05-24
GB
GB1657071A
patent/GB1392183A/en
not_active
Expired

1972

1972-05-23
FR
FR7218279A
patent/FR2138891A1/fr
not_active
Withdrawn

1972-05-23
AU
AU42599/72A
patent/AU4259972A/en
not_active
Expired

1972-05-23
IT
IT24725/72A
patent/IT960110B/en
active

1972-05-23
DE
DE19722224949
patent/DE2224949A1/en
active
Pending

Also Published As

Publication number
Publication date

FR2138891A1
(en)

1973-01-05

DE2224949A1
(en)

1972-11-30

GB1392183A
(en)

1975-04-30

IT960110B
(en)

1973-11-20

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