CH545648A - - Google Patents
Info
- Publication number
- CH545648A CH545648A CH1576270A CH545648DA CH545648A CH 545648 A CH545648 A CH 545648A CH 1576270 A CH1576270 A CH 1576270A CH 545648D A CH545648D A CH 545648DA CH 545648 A CH545648 A CH 545648A
- Authority
- CH
- Switzerland
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
- B01D53/14—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 absorption
- B01D53/1418—Recovery of products
-
- 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
- B01D53/14—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 absorption
- B01D53/1425—Regeneration of liquid absorbents
-
- 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
- B01D53/14—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 absorption
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
-
- 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
- B01D53/14—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 absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
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- 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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/507—Sulfur oxides by treating the gases with other liquids
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- 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
- C01B17/48—Sulfur dioxide; Sulfurous acid
- C01B17/50—Preparation of sulfur dioxide
- C01B17/60—Isolation of sulfur dioxide from gases
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- 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)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87277569A | 1969-10-30 | 1969-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH545648A true CH545648A (en:Method) | 1974-02-15 |
Family
ID=25360268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1576270A CH545648A (en:Method) | 1969-10-30 | 1970-10-26 |
Country Status (14)
| Country | Link |
|---|---|
| AT (1) | AT327866B (en:Method) |
| BE (1) | BE757293A (en:Method) |
| CA (1) | CA942930A (en:Method) |
| CH (1) | CH545648A (en:Method) |
| CS (1) | CS158283B2 (en:Method) |
| DE (1) | DE2053104A1 (en:Method) |
| ES (1) | ES383806A1 (en:Method) |
| FR (1) | FR2066577A5 (en:Method) |
| GB (1) | GB1326222A (en:Method) |
| IL (1) | IL35229A (en:Method) |
| NL (1) | NL7015856A (en:Method) |
| RO (1) | RO58411A (en:Method) |
| SE (1) | SE370634B (en:Method) |
| ZA (1) | ZA707362B (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1020269A5 (nl) * | 2012-01-17 | 2013-07-02 | Taminco | Gebruik van vervangende oplosmiddelen voor n-methylpyrrolidon (nmp). |
| KR20220142462A (ko) * | 2020-02-14 | 2022-10-21 | 엥거스 케미칼 캄파니 | 저 독성 nmp 대체물 및 이의 용도 |
-
1970
- 1970-09-03 IL IL35229A patent/IL35229A/xx unknown
- 1970-09-19 ES ES383806A patent/ES383806A1/es not_active Expired
- 1970-10-02 GB GB4702370A patent/GB1326222A/en not_active Expired
- 1970-10-08 SE SE7013665A patent/SE370634B/xx unknown
- 1970-10-09 BE BE757293D patent/BE757293A/xx unknown
- 1970-10-12 CS CS686070A patent/CS158283B2/cs unknown
- 1970-10-23 RO RO64765A patent/RO58411A/ro unknown
- 1970-10-26 CH CH1576270A patent/CH545648A/xx not_active IP Right Cessation
- 1970-10-27 FR FR7038673A patent/FR2066577A5/fr not_active Expired
- 1970-10-29 ZA ZA707362*A patent/ZA707362B/xx unknown
- 1970-10-29 DE DE19702053104 patent/DE2053104A1/de active Pending
- 1970-10-29 AT AT972170A patent/AT327866B/de not_active IP Right Cessation
- 1970-10-29 CA CA096,885A patent/CA942930A/en not_active Expired
- 1970-10-29 NL NL7015856A patent/NL7015856A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO58411A (en:Method) | 1975-09-15 |
| BE757293A (fr) | 1971-03-16 |
| NL7015856A (en:Method) | 1971-05-04 |
| IL35229A (en) | 1973-03-30 |
| ES383806A1 (es) | 1973-03-01 |
| CS158283B2 (en:Method) | 1974-10-15 |
| DE2053104A1 (de) | 1971-05-06 |
| ZA707362B (en) | 1971-09-29 |
| AT327866B (de) | 1976-02-25 |
| GB1326222A (en) | 1973-08-08 |
| FR2066577A5 (en:Method) | 1971-08-06 |
| CA942930A (en) | 1974-03-05 |
| IL35229A0 (en) | 1970-11-30 |
| SE370634B (en:Method) | 1974-10-28 |
| ATA972170A (de) | 1975-05-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |