CA1047474A - Method for regenerating and recycling catalyst for oxidation of sulfur dioxide - Google Patents
Method for regenerating and recycling catalyst for oxidation of sulfur dioxideInfo
- Publication number
- CA1047474A CA1047474A CA209,157A CA209157A CA1047474A CA 1047474 A CA1047474 A CA 1047474A CA 209157 A CA209157 A CA 209157A CA 1047474 A CA1047474 A CA 1047474A
- Authority
- CA
- Canada
- Prior art keywords
- vanadium
- ppm
- catalyst solution
- solution
- catalyst
- 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
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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8609—Sulfur oxides
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/28—Regeneration or reactivation
- B01J27/30—Regeneration or reactivation of catalysts comprising compounds of sulfur, selenium or tellurium
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/12—Oxidising
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
- C01B17/775—Liquid phase contacting processes or wet catalysis processes
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Treating Waste Gases (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9821873A JPS5614333B2 (it) | 1973-09-03 | 1973-09-03 | |
| JP10324273A JPS577777B2 (it) | 1973-09-14 | 1973-09-14 | |
| JP48111538A JPS5753286B2 (it) | 1973-10-05 | 1973-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1047474A true CA1047474A (en) | 1979-01-30 |
Family
ID=27308611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA209,157A Expired CA1047474A (en) | 1973-09-03 | 1974-09-13 | Method for regenerating and recycling catalyst for oxidation of sulfur dioxide |
Country Status (9)
| Country | Link |
|---|---|
| BE (1) | BE819413A (it) |
| CA (1) | CA1047474A (it) |
| DE (1) | DE2442018C3 (it) |
| FR (1) | FR2242329B1 (it) |
| GB (1) | GB1481066A (it) |
| IT (1) | IT1020365B (it) |
| NL (1) | NL7411684A (it) |
| SE (1) | SE405962B (it) |
| SU (1) | SU633464A3 (it) |
-
1974
- 1974-08-30 BE BE148100A patent/BE819413A/xx unknown
- 1974-08-30 IT IT26823/74A patent/IT1020365B/it active
- 1974-08-30 GB GB38043/74A patent/GB1481066A/en not_active Expired
- 1974-09-02 SU SU742060744A patent/SU633464A3/ru active
- 1974-09-02 SE SE7411081A patent/SE405962B/xx unknown
- 1974-09-03 DE DE2442018A patent/DE2442018C3/de not_active Expired
- 1974-09-03 FR FR7429900A patent/FR2242329B1/fr not_active Expired
- 1974-09-03 NL NL7411684A patent/NL7411684A/xx not_active Application Discontinuation
- 1974-09-13 CA CA209,157A patent/CA1047474A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE7411081L (it) | 1975-03-04 |
| BE819413A (fr) | 1974-12-16 |
| SU633464A3 (ru) | 1978-11-15 |
| NL7411684A (nl) | 1975-03-05 |
| IT1020365B (it) | 1977-12-20 |
| DE2442018C3 (de) | 1979-08-02 |
| FR2242329B1 (it) | 1976-10-22 |
| DE2442018A1 (de) | 1975-08-14 |
| FR2242329A1 (it) | 1975-03-28 |
| DE2442018B2 (de) | 1978-11-30 |
| SE405962B (sv) | 1979-01-15 |
| GB1481066A (en) | 1977-07-27 |
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