ZA722672B - Treatment of gases - Google Patents
Treatment of gasesInfo
- Publication number
- ZA722672B ZA722672B ZA722672A ZA722672A ZA722672B ZA 722672 B ZA722672 B ZA 722672B ZA 722672 A ZA722672 A ZA 722672A ZA 722672 A ZA722672 A ZA 722672A ZA 722672 B ZA722672 B ZA 722672B
- Authority
- ZA
- South Africa
- Prior art keywords
- gases
- treatment
- Prior art date
Links
- 239000007789 gas Substances 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
-
- 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
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- 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
- 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
- B01D53/9477—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 separate bricks, e.g. exhaust systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
-
- 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
-
- 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
- B01D2255/20753—Nickel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/92—Dimensions
- B01D2255/9202—Linear dimensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/92—Dimensions
- B01D2255/9207—Specific surface
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1003471A GB1382984A (en) | 1971-04-20 | 1971-04-20 | Treatment of gases |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA722672B true ZA722672B (en) | 1973-12-19 |
Family
ID=9960245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA722672A ZA722672B (en) | 1971-04-20 | 1972-04-20 | Treatment of gases |
Country Status (8)
Country | Link |
---|---|
BE (1) | BE782422A (en) |
DE (1) | DE2219425A1 (en) |
FR (1) | FR2136529A5 (en) |
GB (1) | GB1382984A (en) |
IT (1) | IT959599B (en) |
NL (1) | NL7205319A (en) |
SE (1) | SE377825B (en) |
ZA (1) | ZA722672B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2000046B (en) * | 1977-07-01 | 1982-03-24 | Johnson Matthey Co Ltd | Improved catalyst |
FR2424061A1 (en) * | 1978-04-25 | 1979-11-23 | Lyon Applic Catalytiques | NEW CONTACT MASS FOR HETEROGENOUS CATALYSIS |
JPS56500693A (en) * | 1979-05-16 | 1981-05-21 | ||
DE10340653B4 (en) * | 2003-09-03 | 2006-04-27 | Hte Ag The High Throughput Experimentation Company | Catalyst for the removal of pollutants from exhaust gases of lean-burn engines with ruthenium as active metal |
US20060198777A1 (en) * | 2005-03-03 | 2006-09-07 | Cross Joseph B | Mercury removal sorbent |
JP2021519872A (en) | 2018-04-04 | 2021-08-12 | ユニフラックス アイ エルエルシー | Activated porous fiber and products containing it |
EP4213971A4 (en) | 2020-09-21 | 2024-04-24 | Unifrax I LLC | Homogeneous catalytic fiber coatings and methods of preparing same |
-
1971
- 1971-04-20 GB GB1003471A patent/GB1382984A/en not_active Expired
-
1972
- 1972-04-19 FR FR7213833A patent/FR2136529A5/fr not_active Expired
- 1972-04-19 SE SE7205129A patent/SE377825B/xx unknown
- 1972-04-19 IT IT23368/72A patent/IT959599B/en active
- 1972-04-20 DE DE19722219425 patent/DE2219425A1/en active Pending
- 1972-04-20 ZA ZA722672A patent/ZA722672B/en unknown
- 1972-04-20 BE BE782422A patent/BE782422A/en unknown
- 1972-04-20 NL NL7205319A patent/NL7205319A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2136529A5 (en) | 1972-12-22 |
GB1382984A (en) | 1975-02-05 |
DE2219425A1 (en) | 1972-12-21 |
SE377825B (en) | 1975-07-28 |
BE782422A (en) | 1972-10-20 |
NL7205319A (en) | 1972-10-24 |
IT959599B (en) | 1973-11-10 |
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