EP0764408A3 - Method and apparatus for depleting tobacco ribs of nitrate - Google Patents

Method and apparatus for depleting tobacco ribs of nitrate Download PDF

Info

Publication number
EP0764408A3
EP0764408A3 EP96111618A EP96111618A EP0764408A3 EP 0764408 A3 EP0764408 A3 EP 0764408A3 EP 96111618 A EP96111618 A EP 96111618A EP 96111618 A EP96111618 A EP 96111618A EP 0764408 A3 EP0764408 A3 EP 0764408A3
Authority
EP
European Patent Office
Prior art keywords
chamber
tobacco
solvent
pref
housing
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.)
Granted
Application number
EP96111618A
Other languages
German (de)
French (fr)
Other versions
EP0764408A2 (en
EP0764408B1 (en
Inventor
Gitta Jünemann
Gerald Schmekel
Arno Dr. Weiss
Wilfried Dr. Stiller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British American Tobacco Germany GmbH
Original Assignee
British American Tobacco Germany GmbH
BAT Cigarettenfabriken GmbH
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 British American Tobacco Germany GmbH, BAT Cigarettenfabriken GmbH filed Critical British American Tobacco Germany GmbH
Publication of EP0764408A2 publication Critical patent/EP0764408A2/en
Publication of EP0764408A3 publication Critical patent/EP0764408A3/en
Application granted granted Critical
Publication of EP0764408B1 publication Critical patent/EP0764408B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Catalysts (AREA)
  • Glass Compositions (AREA)

Abstract

A process and assembly denitrifies dried tobacco leaf (R, R') in Burley rib form which is: (a) inserted into the chamber within a housing (9), (b) brought into contact with a solvent (12), and (c) then discharged from the housing (9). The novelty is that: (d) the housing chamber is pressurised and; (e) the tobacco leaf (R, R')is transported through the chamber and solvent bath (12) by a helical conveyor (2). Also claimed is that the solvent (12) is water and that the chamber is heated to between 100-130 degrees C., pref. 118 degrees C. The tobacco is passed through the chamber (9) in a continuous process in which there is constant exchange of the water (12) which consists in the chamber of a liq. phase (12), and the gaseous phase (13) which is introduced to the chamber. The tobacco residence period in the chamber is adjusted by regulation of the conveyor rotation speed. The ratio of the mass flow of dry tobacco in Kg to that of the solvent in Kg is in the range 0.5-0.031, pref. 0.25. The tobacco is subsequently subjected to a further rinsing under a water shower. The pressure maintained in the chamber is 1.5 to 3.0 bar, pref. approx. 1.9 bar.
EP96111618A 1995-09-25 1996-07-18 Method and apparatus for depleting tobacco ribs of nitrate Expired - Lifetime EP0764408B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19535587A DE19535587C2 (en) 1995-09-25 1995-09-25 Method and device for depleting nitrate from tobacco stems
DE19535587 1995-09-25

Publications (3)

Publication Number Publication Date
EP0764408A2 EP0764408A2 (en) 1997-03-26
EP0764408A3 true EP0764408A3 (en) 1998-02-04
EP0764408B1 EP0764408B1 (en) 2001-09-05

Family

ID=7773107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96111618A Expired - Lifetime EP0764408B1 (en) 1995-09-25 1996-07-18 Method and apparatus for depleting tobacco ribs of nitrate

Country Status (7)

Country Link
US (1) US5791353A (en)
EP (1) EP0764408B1 (en)
AT (1) ATE205057T1 (en)
AU (1) AU705244B2 (en)
BR (1) BR9604293A (en)
DE (2) DE19535587C2 (en)
ES (1) ES2162963T3 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6311695B1 (en) 1996-06-28 2001-11-06 Regent Court Technologies Method of treating tobacco to reduce nitrosamine content, and products produced thereby
USRE38123E1 (en) 1996-06-28 2003-05-27 Regent Court Technologies, Llc. Tobacco products having reduced nitrosamine content
US6135121A (en) 1996-06-28 2000-10-24 Regent Court Technologies Tobacco products having reduced nitrosamine content
US6202649B1 (en) 1996-12-02 2001-03-20 Regent Court Technologies Method of treating tobacco to reduce nitrosamine content, and products produced thereby
US6805134B2 (en) * 1999-04-26 2004-10-19 R. J. Reynolds Tobacco Company Tobacco processing
GB0225691D0 (en) * 2002-11-05 2002-12-11 Souza Cruz Sa Improvements relating to the removal of soluble components from tobacco material and apparatus therefor
DE10304629B4 (en) * 2003-02-05 2008-10-30 British American Tobacco (Germany) Gmbh Pressure conditioning process
CN100577041C (en) * 2006-12-11 2010-01-06 江苏智思机械制造有限公司 Online tobacco steam expanding apparatus and tobacco stem treating method using the same
CN101116529B (en) * 2007-08-31 2010-11-10 云南瑞升烟草技术（集团）有限公司 Tobacco peduncle off-line preprocessing method in the tobacco peduncle processing course
DE102008052720B4 (en) * 2008-10-22 2014-01-02 British American Tobacco (Germany) Gmbh Extractive tobacco material extrusion
US8151804B2 (en) 2008-12-23 2012-04-10 Williams Jonnie R Tobacco curing method
EP2571385B1 (en) * 2010-05-21 2017-01-11 Hzat Llc. Method for preparing tobacco extract for electronic smoking devices
CN102715633A (en) * 2010-06-21 2012-10-10 江苏智思机械集团有限公司 Steam tobacco stem moistening processing device
WO2013131980A1 (en) * 2012-03-06 2013-09-12 Ht Nutri Sàrl A method of processing tobacco and its by-products
CN102907755B (en) * 2012-09-03 2015-07-15 上海聚华科技股份有限公司 Method for homogenizing and mixing tobacco material and backfill liquid
CN103892455A (en) * 2014-04-15 2014-07-02 安徽中烟工业有限责任公司 Tobacco stem preprocessing method used in papermaking method sheet line
CN104886752B (en) * 2015-04-29 2016-09-07 湖北中烟工业有限责任公司 Improve burley tobaccos preprocess method of availability in simple and elegant fragrant cigarette
CN107736643B (en) * 2017-11-30 2020-05-05 红云红河烟草(集团)有限责任公司 Tobacco stem baking processing method using THT
CN111053278B (en) * 2018-10-15 2023-05-02 上海新型烟草制品研究院有限公司 Preparation method of heating non-combustible tobacco product and tobacco product thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB914473A (en) * 1960-03-28 1963-01-02 Fmc Corp Method of and apparatus for continuously extracting products from solid materials
US3575178A (en) * 1969-03-13 1971-04-20 Reynolds Tobacco Co R A process for increasing the filling capacity of tobacco
EP0057979A2 (en) * 1981-01-21 1982-08-18 Fabriques De Tabac Reunies S.A. Apparatus for extracting soluble constituents from cut plant material
GB2140270A (en) * 1983-05-25 1984-11-28 Brown & Williamson Tobacco Process and system for making a blended tobacco product
US5230354A (en) * 1991-09-03 1993-07-27 R. J. Reynolds Tobacco Company Tobacco processing
US5360022A (en) * 1991-07-22 1994-11-01 R. J. Reynolds Tobacco Company Tobacco processing

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3612066A (en) * 1970-02-05 1971-10-12 Reynolds Tobacco Co R Denicotinizing process

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB914473A (en) * 1960-03-28 1963-01-02 Fmc Corp Method of and apparatus for continuously extracting products from solid materials
US3575178A (en) * 1969-03-13 1971-04-20 Reynolds Tobacco Co R A process for increasing the filling capacity of tobacco
EP0057979A2 (en) * 1981-01-21 1982-08-18 Fabriques De Tabac Reunies S.A. Apparatus for extracting soluble constituents from cut plant material
GB2140270A (en) * 1983-05-25 1984-11-28 Brown & Williamson Tobacco Process and system for making a blended tobacco product
DE3419655C2 (en) * 1983-05-25 1988-07-21 Brown & Williamson Tobacco Corp., Louisville, Ky., Us
US5360022A (en) * 1991-07-22 1994-11-01 R. J. Reynolds Tobacco Company Tobacco processing
US5230354A (en) * 1991-09-03 1993-07-27 R. J. Reynolds Tobacco Company Tobacco processing

Also Published As

Publication number Publication date
AU705244B2 (en) 1999-05-20
BR9604293A (en) 1998-05-26
EP0764408A2 (en) 1997-03-26
DE59607619D1 (en) 2001-10-11
US5791353A (en) 1998-08-11
ATE205057T1 (en) 2001-09-15
ES2162963T3 (en) 2002-01-16
EP0764408B1 (en) 2001-09-05
DE19535587A1 (en) 1997-03-27
DE19535587C2 (en) 1998-01-22
AU6580696A (en) 1997-03-27

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