IL41810A - A gas filter for removing cadmium and cadmium compounds from gas,particularly intended for cigarettes,and a method for making such a filter - Google Patents
A gas filter for removing cadmium and cadmium compounds from gas,particularly intended for cigarettes,and a method for making such a filterInfo
- Publication number
- IL41810A IL41810A IL41810A IL4181073A IL41810A IL 41810 A IL41810 A IL 41810A IL 41810 A IL41810 A IL 41810A IL 4181073 A IL4181073 A IL 4181073A IL 41810 A IL41810 A IL 41810A
- Authority
- IL
- Israel
- Prior art keywords
- filter
- cadmium
- gas
- gas permeable
- permeable mass
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims 5
- 229910052793 cadmium Inorganic materials 0.000 title claims 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 title claims 3
- 229940065285 cadmium compound Drugs 0.000 title claims 2
- 150000001662 cadmium compounds Chemical class 0.000 title claims 2
- 235000019504 cigarettes Nutrition 0.000 title 1
- 239000007789 gas Substances 0.000 claims 6
- 159000000007 calcium salts Chemical class 0.000 claims 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims 1
- 235000010216 calcium carbonate Nutrition 0.000 claims 1
- 239000001506 calcium phosphate Substances 0.000 claims 1
- 229910000389 calcium phosphate Inorganic materials 0.000 claims 1
- 235000011010 calcium phosphates Nutrition 0.000 claims 1
- 239000001175 calcium sulphate Substances 0.000 claims 1
- 235000011132 calcium sulphate Nutrition 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 claims 1
- 229920002301 cellulose acetate Polymers 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000003960 organic solvent Substances 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims 1
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)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Treating Waste Gases (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Gas Separation By Absorption (AREA)
- Filtering Materials (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 (2)
| Publication Number | Publication Date |
|---|---|
| IL41810A0 IL41810A0 (en) | 1973-05-31 |
| IL41810A true IL41810A (en) | 1976-07-30 |
Family
ID=20262362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL41810A IL41810A (en) | 1972-03-20 | 1973-03-19 | A gas filter for removing cadmium and cadmium compounds from gas,particularly intended for cigarettes,and a method for making such a filter |
Country Status (18)
| Country | Link |
|---|---|
| JP (1) | JPS496551A (enExample) |
| AR (1) | AR197493A1 (enExample) |
| AU (1) | AU5352373A (enExample) |
| BE (1) | BE797027A (enExample) |
| BR (1) | BR7301981D0 (enExample) |
| CH (1) | CH577799A5 (enExample) |
| DE (1) | DE2313468A1 (enExample) |
| DK (1) | DK141713B (enExample) |
| ES (1) | ES412805A1 (enExample) |
| FI (1) | FI54557C (enExample) |
| FR (1) | FR2177831B1 (enExample) |
| GB (1) | GB1424214A (enExample) |
| IL (1) | IL41810A (enExample) |
| IT (1) | IT981477B (enExample) |
| NL (1) | NL7303802A (enExample) |
| NO (1) | NO139628C (enExample) |
| SE (1) | SE381820B (enExample) |
| ZA (1) | ZA731813B (enExample) |
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 ES ES412805A patent/ES412805A1/es not_active Expired
- 1973-03-17 DE DE2313468A patent/DE2313468A1/de active Pending
- 1973-03-19 NL NL7303802A patent/NL7303802A/xx not_active Application Discontinuation
- 1973-03-19 IL IL41810A patent/IL41810A/en unknown
- 1973-03-19 FI FI835/73A patent/FI54557C/fi active
- 1973-03-19 NO NO1082/73A patent/NO139628C/no unknown
- 1973-03-19 GB GB1304673A patent/GB1424214A/en not_active Expired
- 1973-03-20 BE BE2052614A patent/BE797027A/xx unknown
- 1973-03-20 BR BR731981A patent/BR7301981D0/pt unknown
- 1973-03-20 DK DK151073AA patent/DK141713B/da unknown
- 1973-03-20 AR AR247138A patent/AR197493A1/es active
- 1973-03-20 CH CH406273A patent/CH577799A5/xx not_active IP Right Cessation
- 1973-03-20 FR FR7309961A patent/FR2177831B1/fr not_active Expired
- 1973-03-20 AU AU53523/73A patent/AU5352373A/en not_active Expired
- 1973-03-20 JP JP48031520A patent/JPS496551A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS496551A (enExample) | 1974-01-21 |
| FR2177831B1 (enExample) | 1977-04-29 |
| NL7303802A (enExample) | 1973-09-24 |
| SE381820B (sv) | 1975-12-22 |
| NO139628C (no) | 1979-04-18 |
| NO139628B (no) | 1979-01-08 |
| CH577799A5 (enExample) | 1976-07-30 |
| ES412805A1 (es) | 1976-06-01 |
| DK141713C (enExample) | 1980-10-27 |
| BE797027A (fr) | 1973-07-16 |
| IL41810A0 (en) | 1973-05-31 |
| FI54557B (fi) | 1978-09-29 |
| FR2177831A1 (enExample) | 1973-11-09 |
| DK141713B (da) | 1980-06-02 |
| FI54557C (fi) | 1979-01-10 |
| GB1424214A (en) | 1976-02-11 |
| DE2313468A1 (de) | 1973-10-04 |
| AU5352373A (en) | 1974-09-26 |
| IT981477B (it) | 1974-10-10 |
| BR7301981D0 (pt) | 1974-07-25 |
| AR197493A1 (es) | 1974-04-15 |
| ZA731813B (en) | 1973-12-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1389109A (en) | Purifying gases of mercury | |
| DE3676404D1 (de) | Hydroxyapatit vom calciumphosphat-typ und verfahren zu dessen herstellung. | |
| ZA756927B (en) | Separating membranes of porous glass and process for the production thereof | |
| AU497572B2 (en) | Adsorbent for tobacco smoke filter | |
| EP0134948A3 (en) | Absorbent formulation for enhanced removal of acid gases from gas mixtures and processes using same | |
| SE7704338L (sv) | Forfaringssett for framstellning av porosa cellulosaperlor | |
| CA974730A (en) | Method for the removal of porous shapes from mating formed materials | |
| SE8207520L (sv) | Porosa material innehallande en biologiskt aktiv substans | |
| IL41810A (en) | A gas filter for removing cadmium and cadmium compounds from gas,particularly intended for cigarettes,and a method for making such a filter | |
| GB1504261A (en) | Porous membrane and a process for its production | |
| JPS5252871A (en) | Method of treating exhaust gas | |
| CA1003686A (en) | Process for the manufacture of consolidated shaped structures of cellulose hydrate | |
| HK86889A (en) | Tobacco smoke filter | |
| SE7504456L (sv) | Anordning for framstellning av torr tryckluft. | |
| CA1009640A (en) | Method for the production of exhaust or waste gases purifying catalysts | |
| IE41741L (en) | Vacuum filtration | |
| KR890003789A (ko) | 고-효능 생물질-유리 아보파르신과 그의 제조방법 | |
| JPS5411322A (en) | Hollow cellulose fibers and their production | |
| GB1472896A (en) | Adsorption process for purifying gases | |
| DK156814C (da) | Anlaeg til fjernelse af oxiderbare bestanddele fra forurenede gasser, isaer fra forurenet luft | |
| NO140814C (no) | Fremgangsmaate for fremstilling av faste granuler fra opploesninger eller oppslemninger ved fordampning | |
| HUT43245A (en) | Compounds containing as active substance hindering pollen formation derivatives of pirasole and process for production of the active substance | |
| JPS546917A (en) | Porous acetate fibers an therir production | |
| SU929207A1 (ru) | Способ обработки фильтровального материала | |
| JPS5254693A (en) | Staple fiber-reinforced flake adsorbing material and method of produci ng thereof |