ZA731813B - A gas filter for removing cadmium and cadmium compounds from gas,and 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,and particularly intended for cigarettes,and a method for making such a filter

Info

Publication number
ZA731813B
ZA731813B ZA731813A ZA731813A ZA731813B ZA 731813 B ZA731813 B ZA 731813B ZA 731813 A ZA731813 A ZA 731813A ZA 731813 A ZA731813 A ZA 731813A ZA 731813 B ZA731813 B ZA 731813B
Authority
ZA
South Africa
Prior art keywords
filter
gas
cadmium
cigarettes
making
Prior art date
Application number
ZA731813A
Other languages
English (en)
Inventor
M Siren
Original Assignee
M Siren
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by M Siren filed Critical M Siren
Publication of ZA731813B publication Critical patent/ZA731813B/xx

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)
  • 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)
ZA731813A 1972-03-20 1973-03-15 A gas filter for removing cadmium and cadmium compounds from gas,and particularly intended for cigarettes,and a method for making such a filter ZA731813B (en)

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
ZA731813B true ZA731813B (en) 1973-12-19

Family

ID=20262362

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA731813A ZA731813B (en) 1972-03-20 1973-03-15 A gas filter for removing cadmium and cadmium compounds from gas,and particularly intended for cigarettes,and a method for making such a filter

Country Status (18)

Country Link
JP (1) JPS496551A (en])
AR (1) AR197493A1 (en])
AU (1) AU5352373A (en])
BE (1) BE797027A (en])
BR (1) BR7301981D0 (en])
CH (1) CH577799A5 (en])
DE (1) DE2313468A1 (en])
DK (1) DK141713B (en])
ES (1) ES412805A1 (en])
FI (1) FI54557C (en])
FR (1) FR2177831B1 (en])
GB (1) GB1424214A (en])
IL (1) IL41810A (en])
IT (1) IT981477B (en])
NL (1) NL7303802A (en])
NO (1) NO139628C (en])
SE (1) SE381820B (en])
ZA (1) ZA731813B (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JPS496551A (en]) 1974-01-21
BR7301981D0 (pt) 1974-07-25
AR197493A1 (es) 1974-04-15
NO139628C (no) 1979-04-18
AU5352373A (en) 1974-09-26
FR2177831B1 (en]) 1977-04-29
GB1424214A (en) 1976-02-11
NO139628B (no) 1979-01-08
NL7303802A (en]) 1973-09-24
IL41810A0 (en) 1973-05-31
FR2177831A1 (en]) 1973-11-09
BE797027A (fr) 1973-07-16
CH577799A5 (en]) 1976-07-30
SE381820B (sv) 1975-12-22
FI54557C (fi) 1979-01-10
DK141713C (en]) 1980-10-27
IL41810A (en) 1976-07-30
DE2313468A1 (de) 1973-10-04
ES412805A1 (es) 1976-06-01
FI54557B (fi) 1978-09-29
IT981477B (it) 1974-10-10
DK141713B (da) 1980-06-02

Similar Documents

Publication Publication Date Title
IL35766A0 (en) A tobacco smoke filter and method and apparatus for its manufacture
ZA727546B (en) Method for expanding tobacco stems
ZA732680B (en) Filter for tobacco smoke
AU450226B2 (en) An improved filter for a cigarette
IT1211087B (it) Apparecchio e procedimento per laproduzione di un materiale diriempimento, particolarmente per filtri per sigarette.
CA955489A (en) Method and apparatus for producing cigarette filter sleeves
JPS5253574A (en) Filter casing manufacturing method
NL173352B (nl) Werkwijze voor de vervaardiging van een filter voor tabaksrook.
EG12554A (en) Method of and apparatus for producing a new type of filering structure for cigarette filters filter thus obtained,and cigarettes equipped with such a filter
ZA723935B (en) A method for obtaining tobacco aroma substances
NL187296C (nl) Werkwijze voor de vervaardiging van een filtersigaret.
ZA771609B (en) Process for the extraction of ash substances from high ash coal
CA1026185A (en) Method and apparatus for forming cigarette filters
CA1005638A (en) Process for cleaning waste gases from sintering plants
CA1001962A (en) Process for removing ash from precipitators
ZA735223B (en) Cigarette filters for the selective removal of ciliatoxic smoke components
ZA731813B (en) A gas filter for removing cadmium and cadmium compounds from gas,and particularly intended for cigarettes,and a method for making such a filter
ZA751935B (en) Cigarette filters
JPS536499A (en) Machine for producing tobacco filter
CA956198A (en) Method and device for producing a cigarette filter unit
ZA757447B (en) Process for making a filter media,the filter media produced thereby and a filter device having the filter media
GR60316B (en) Method and rotary continuous vacuum filter,particularly for dewaxing oil
JPS539696A (en) Apparatus for removing gas from powder in packer
ZA771610B (en) Process for the extraction of ash substances from high ash coal
IL36847A (en) A process and apparatus for preparing tobacco smoke filters