DE2313468A1 - Gasfilter zum entfernen bzw. ausfiltern von cadmium und cadmiumverbindungen aus gasen, insbesondere tabakrauch, und verfahren zur herstellung eines solchen filters - Google Patents
Gasfilter zum entfernen bzw. ausfiltern von cadmium und cadmiumverbindungen aus gasen, insbesondere tabakrauch, und verfahren zur herstellung eines solchen filtersInfo
- Publication number
- DE2313468A1 DE2313468A1 DE2313468A DE2313468A DE2313468A1 DE 2313468 A1 DE2313468 A1 DE 2313468A1 DE 2313468 A DE2313468 A DE 2313468A DE 2313468 A DE2313468 A DE 2313468A DE 2313468 A1 DE2313468 A1 DE 2313468A1
- Authority
- DE
- Germany
- Prior art keywords
- cadmium
- filter
- compounds
- calcium
- free
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/06—Use of materials for tobacco smoke filters
- A24D3/16—Use of materials for tobacco smoke filters of inorganic materials
-
- 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
-
- 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
- B01D53/64—Heavy metals or compounds thereof, e.g. mercury
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Treating Waste Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Filtering Materials (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7203554A SE381820B (sv) | 1972-03-20 | 1972-03-20 | Forfarande vid tillverkning av ett filter for avlegsnande av kadmium och kadmiumforeningar ur gaser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2313468A1 true DE2313468A1 (de) | 1973-10-04 |
Family
ID=20262362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2313468A Pending DE2313468A1 (de) | 1972-03-20 | 1973-03-17 | Gasfilter zum entfernen bzw. ausfiltern von cadmium und cadmiumverbindungen aus gasen, insbesondere tabakrauch, und verfahren zur herstellung eines solchen filters |
Country Status (18)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS513439A (ja) * | 1974-06-28 | 1976-01-12 | Mitsubishi Electric Corp | Kakugatakanhiitopaipu |
| JPS5773004A (en) * | 1980-10-22 | 1982-05-07 | Sumitomo Chem Co Ltd | Preparation of saponified ethylene-vinyl acetate copolymer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2800908A (en) * | 1955-09-29 | 1957-07-30 | Blank Samuel | Treatment of tobacco smoke |
| US2940456A (en) * | 1956-02-08 | 1960-06-14 | Eastman Kodak Co | Fibrous tobacco smoke filter containing finely divided solids |
-
1972
- 1972-03-20 SE SE7203554A patent/SE381820B/xx unknown
-
1973
- 1973-03-15 ZA ZA731813A patent/ZA731813B/xx unknown
- 1973-03-16 IT IT7321802A patent/IT981477B/it active
- 1973-03-17 DE DE2313468A patent/DE2313468A1/de active Pending
- 1973-03-17 ES ES412805A patent/ES412805A1/es not_active Expired
- 1973-03-19 NO NO1082/73A patent/NO139628C/no unknown
- 1973-03-19 FI FI835/73A patent/FI54557C/fi active
- 1973-03-19 GB GB1304673A patent/GB1424214A/en not_active Expired
- 1973-03-19 NL NL7303802A patent/NL7303802A/xx not_active Application Discontinuation
- 1973-03-19 IL IL41810A patent/IL41810A/en unknown
- 1973-03-20 FR FR7309961A patent/FR2177831B1/fr not_active Expired
- 1973-03-20 BE BE2052614A patent/BE797027A/xx unknown
- 1973-03-20 BR BR731981A patent/BR7301981D0/pt unknown
- 1973-03-20 JP JP48031520A patent/JPS496551A/ja active Pending
- 1973-03-20 CH CH406273A patent/CH577799A5/xx not_active IP Right Cessation
- 1973-03-20 AR AR247138A patent/AR197493A1/es active
- 1973-03-20 AU AU53523/73A patent/AU5352373A/en not_active Expired
- 1973-03-20 DK DK151073AA patent/DK141713B/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AR197493A1 (es) | 1974-04-15 |
| FR2177831B1 (US07655688-20100202-C00086.png) | 1977-04-29 |
| ES412805A1 (es) | 1976-06-01 |
| FI54557B (fi) | 1978-09-29 |
| NO139628C (no) | 1979-04-18 |
| IL41810A0 (en) | 1973-05-31 |
| IL41810A (en) | 1976-07-30 |
| DK141713B (da) | 1980-06-02 |
| JPS496551A (US07655688-20100202-C00086.png) | 1974-01-21 |
| BE797027A (fr) | 1973-07-16 |
| NL7303802A (US07655688-20100202-C00086.png) | 1973-09-24 |
| DK141713C (US07655688-20100202-C00086.png) | 1980-10-27 |
| NO139628B (no) | 1979-01-08 |
| ZA731813B (en) | 1973-12-19 |
| BR7301981D0 (pt) | 1974-07-25 |
| CH577799A5 (US07655688-20100202-C00086.png) | 1976-07-30 |
| FR2177831A1 (US07655688-20100202-C00086.png) | 1973-11-09 |
| GB1424214A (en) | 1976-02-11 |
| FI54557C (fi) | 1979-01-10 |
| IT981477B (it) | 1974-10-10 |
| AU5352373A (en) | 1974-09-26 |
| SE381820B (sv) | 1975-12-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |