EP2687110B1 - Procédé et dispositif de production de matériau de tabac régénéré - Google Patents
Procédé et dispositif de production de matériau de tabac régénéré Download PDFInfo
- Publication number
- EP2687110B1 EP2687110B1 EP11861287.8A EP11861287A EP2687110B1 EP 2687110 B1 EP2687110 B1 EP 2687110B1 EP 11861287 A EP11861287 A EP 11861287A EP 2687110 B1 EP2687110 B1 EP 2687110B1
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- EP
- European Patent Office
- Prior art keywords
- tobacco
- extracted liquid
- membrane
- fraction
- fractionating
- Prior art date
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- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims description 130
- 241000208125 Nicotiana Species 0.000 title claims description 129
- 238000000034 method Methods 0.000 title claims description 64
- 239000000463 material Substances 0.000 title claims description 23
- 239000012528 membrane Substances 0.000 claims description 114
- 239000007788 liquid Substances 0.000 claims description 78
- 238000011282 treatment Methods 0.000 claims description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 238000001223 reverse osmosis Methods 0.000 claims description 30
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims description 20
- 238000000605 extraction Methods 0.000 claims description 18
- 239000002244 precipitate Substances 0.000 claims description 16
- 150000004005 nitrosamines Chemical class 0.000 claims description 11
- 239000008233 hard water Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- 102000004169 proteins and genes Human genes 0.000 description 14
- 108090000623 proteins and genes Proteins 0.000 description 14
- 238000000108 ultra-filtration Methods 0.000 description 11
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 10
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 10
- 229960002715 nicotine Drugs 0.000 description 10
- 239000000203 mixture Substances 0.000 description 8
- -1 TSNAs Chemical class 0.000 description 5
- 150000002823 nitrates Chemical class 0.000 description 4
- 235000000346 sugar Nutrition 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- FLAQQSHRLBFIEZ-UHFFFAOYSA-N N-Methyl-N-nitroso-4-oxo-4-(3-pyridyl)butyl amine Chemical compound O=NN(C)CCCC(=O)C1=CC=CN=C1 FLAQQSHRLBFIEZ-UHFFFAOYSA-N 0.000 description 3
- 229930013930 alkaloid Natural products 0.000 description 3
- 150000001413 amino acids Chemical class 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000005194 fractionation Methods 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- 150000008163 sugars Chemical class 0.000 description 3
- 239000008215 water for injection Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000000391 smoking effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- ZJOFAFWTOKDIFH-JTQLQIEISA-N 3-[(2s)-1-nitroso-3,6-dihydro-2h-pyridin-2-yl]pyridine Chemical compound O=NN1CC=CC[C@H]1C1=CC=CN=C1 ZJOFAFWTOKDIFH-JTQLQIEISA-N 0.000 description 1
- BXYPVKMROLGXJI-JTQLQIEISA-N 3-[(2s)-1-nitrosopiperidin-2-yl]pyridine Chemical compound O=NN1CCCC[C@H]1C1=CC=CN=C1 BXYPVKMROLGXJI-JTQLQIEISA-N 0.000 description 1
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000013355 food flavoring agent Nutrition 0.000 description 1
- 229930182470 glycoside Natural products 0.000 description 1
- 150000002338 glycosides Chemical class 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- XKABJYQDMJTNGQ-VIFPVBQESA-N n-nitrosonornicotine Chemical compound O=NN1CCC[C@H]1C1=CC=CN=C1 XKABJYQDMJTNGQ-VIFPVBQESA-N 0.000 description 1
- 150000002832 nitroso derivatives Chemical class 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 238000004810 partition chromatography Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 150000003216 pyrazines Chemical class 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- 150000003233 pyrroles Chemical class 0.000 description 1
- 150000004053 quinones Chemical class 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
Images
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
- A24B15/241—Extraction of specific substances
- A24B15/245—Nitrosamines
-
- 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
- A24B15/10—Chemical features of tobacco products or tobacco substitutes
- A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
-
- 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
Definitions
- the present invention relates to a method of manufacturing a reconstituted tobacco material.
- Various components such as nicotine, nitrates, nitrosamines, hydrocarbons and proteins are contained in tobacco materials such as the leaf, shreds, stem, stalk, and root of natural tobacco plants. These components are extracted from natural tobacco materials and are used as a smoking flavor additive to tobacco. These components include those which are desirable to be decreased in amount or to be removed (undesired components), and also include those which are desirable not to be removed or to be increased in amount (desired components), in view of the smoking flavor or some other reasons.
- the desired components include amino acids, sugars, nicotine, leaf surface resins, and alkaloids.
- the undesired components include nitrates, and nitrosamines such as tobacco-specific nitrosamines (TSNAs).
- Patent Document 1 discloses a method of manufacturing a regenerated tobacco material.
- the method comprises extracting a natural tobacco material to obtain an extracted solution and an extraction residue, and subjecting the extracted solution to fractionating treatment by means of ultrafiltration or reverse osmosis filtration or fractionating treatment by means of reversed-phase partition chromatography to obtain a first fraction enriched in the desired components and depleted in the undesired components and a second fraction enriched in the undesired components and depleted in the desired components.
- the regenerated tobacco material is manufactured by preparing a regenerated tobacco web from the extraction residue and adding the first fraction to the regenerated tobacco web.
- Patent Document 1 discloses that since the first fraction (membrane impermeable fraction) obtained by fractionating treatment by means of ultrafiltration or reverse osmosis filtration may contain nitrosamines such as TSNAs, it is desirable to subject the membrane impermeable fraction to an additional treatment so as to remove nitrosamines before the membrane impermeable fraction is added to the regenerated tobacco web.
- nitrosamines such as TSNAs
- Patent Document 1 USP 7677253 EP-A-1623634 discloses a method of manufacturing a reconstituted tobacco material, comprising extracting a natural tobacco material with an extracting solvent to obtain an extraction residue and a tobacco extracted liquid containing desired components and undesired components including tobacco-specific nitrosamines, subjecting the tobacco extracted liquid to a fractionating treatment by means of a reverse osmosis membrane to obtain a membrane impermeable fraction containing the desired components and depleted in the undesired components and a membrane permeable fraction depleted in the desired components and enriched in the undesired components, controlling the tobacco extracted liquid during the fractionating treatment, preparing a reconstituted tobacco web containing the extraction residue and adding the membrane impermeable fraction to the reconstituted tobacco web.
- JP-A-S58126775 discloses a method of producing a tobacco from which protein, nicotine and tar are removed, and also discloses that if a tobacco extracted liquid is heated at a protein denaturation temperature, precipitates are generated as insoluble mass.
- XP055243876 (“Water & Process Technologies: Reverse Osmosis for WFI and PW", 1995-05-01 ) provides new specifications for Water for Injection (WFI) and Purified Water (PW).
- US-A-1016844 discloses a method of extracting tobacco, and also discloses that hard water, due to is impurities, can lead to a negative effect on osmotic phenomena and on the final quality of the extracted tobacco.
- An object of the present invention is to provide a method of manufacturing a reconstituted tobacco material which contains desired components of a significant amount and undesired components including TSNAs with a significantly reduced amount, by achieving practical separation of desired components and undesired components including TSNAs by means of a reverse osmosis membrane.
- an apparatus for obtaining, from a tobacco extracted liquid, a fraction which contains desired components of a significant amount, and from which undesired components including TSNAs are removed by a significant amount, by means of a reverse osmosis membrane.
- a method of manufacturing a reconstituted tobacco material comprising: (a) extracting a natural tobacco material with an extracting solvent to obtain an extraction residue and a tobacco extracted liquid containing desired components and undesired components including TSNA; (b) subjecting the tobacco extracted liquid to a fractionating treatment by means of a reverse osmosis membrane to obtain a membrane impermeable fraction containing the desired components and depleted in the undesired components and a membrane permeable fraction depleted in the desired components and enriched in the undesired components; (c) controlling the tobacco extracted liquid during the fractionating treatment to have a temperature suitable for the fractionating treatment (generally, a temperature within a range of 40 to 80°C); (d) removing precipitates, which are precipitated in the tobacco extracted liquid during the fractionating treatment, from the tobacco extracted liquid; (e) preparing a reconstituted tobacco web containing the extraction residue; and (f) adding the membrane impermeable fraction to the reconstituted tobacco web, where
- a fractionating apparatus for separating desired components from TSNA-including undesired components in a tobacco extracted liquid, comprising: a process vessel which contains the tobacco extracted liquid; a fractionating device comprising a reverse osmosis membrane by which the tobacco extracted liquid is fractionated into a membrane impermeable fraction containing the desired components and depleted in the undesired components and a membrane permeable fraction depleted in the desired components and enriched in the undesired components; a pump which feeds the tobacco extracted liquid to the fractionating device under pressure; a filter for removing precipitates such as protein which are precipitated in the tobacco extracted liquid during the fractionating treatment; and a temperature controlling device which controls the tobacco extracted liquid to have a temperature suitable for the fractionating treatment during the fractionating treatment , and an ultrafiltration device which comprises ultrafiltration membrane for removing bicarbonate ions from hard water containing bicarbonate ions, and is configured to provide bicarbonate ion-removed water as process water, wherein the temperature controlling device controls the tobacco extracted
- a reconstituted tobacco material which contains desired components of a significant amount and undesired components including TSNAs with a significantly reduced amount, by achieving practical separation of desired components and undesired components in a tobacco extracted liquid by means of a reverse osmosis membrane.
- FIG. 1 is a schematic diagram of a fractionating apparatus described in the present application.
- An aspect of the present invention relates to a method of manufacturing a reconstituted tobacco material by using a tobacco extracted liquid and an extraction residue which are obtained by extracting a natural tobacco material.
- a reconstituted tobacco web containing the extraction residue is manufactured.
- the tobacco extracted liquid is subjected to fractionating treatment by means of a reverse osmosis membrane.
- the fractionating treatment produces a membrane impermeable fraction which contains desired components and is depleted in undesired components including TSNAs, and a membrane permeable fraction which is depleted in the desired components and enriched in the undesired components including TSNAs.
- a desired reconstituted tobacco material is manufactured by adding the membrane impermeable fraction to the reconstituted tobacco web. The membrane permeable fraction is discarded.
- natural tobacco material is mixed with an extracting solvent, and the mixture is stirred.
- natural tobacco material tobacco leaf, shreds, stem, stalk, and root, and a mixture thereof may be used.
- extracting solvent water, or a mixture of water and a water-miscible organic solvent may be used.
- water-miscible organic solvent include alcohols such as ethanol, and ethers such as diethyl ether.
- the extracting treatment is carried out at a temperature of 0 to 100°C for 5 minutes to 6 hours.
- the extracted mixture obtained is subjected to separating treatment by, for example, filtration or centrifugation to separate the extracted mixture into a tobacco extracted liquid and an extraction residue.
- the natural tobacco material contains salts of metals such as potassium salt, nitrates, nicotine, sugars such as sucrose, amino acids, glycosides, amino-sugar compounds, proteins, hydrocarbons (saturated hydrocarbons, unsaturated hydrocarbons, aromatic hydrocarbons), alcohols, ethers, aldehydes, ketones, esters, lactones, quinones, acids (including acid anhydrides), phenols, amines, pyrroles, pyridines, pyrazines, alkaloids, polycyclic nitrogen-containing compounds, nitroso compounds such as nitrosamines (including TSNAs), amides, lipids, halides, sulfur-containing compounds, and inorganic elements.
- metals such as potassium salt, nitrates, nicotine, sugars such as sucrose, amino acids, glycosides, amino-sugar compounds, proteins, hydrocarbons (saturated hydrocarbons, unsaturated hydrocarbons, aromatic hydrocarbons), alcohols, ethers, al
- the tobacco extracted liquid obtained by the above extracting treatment can contain substantially all of the components mentioned above, though depending on the type of the extracting solvent used.
- the desired components include amino acids, sugars, nicotine, leaf surface resins, and alkaloids
- the undesired components include nitrates and nitrosamines such as TSNAs.
- TSNAs are nitrosamines (N'-nitrosonornicotine (NNN), 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), N'-nitrosoanatabine (NAT), and N'-nitrosoanabasine (NAB)).
- NNN N'-nitrosonornicotine
- NNK 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone
- NAT N'-nitrosoanatabine
- NAB N'-nitrosoanabasine
- the extraction residue is a component insoluble in the extracting solvent and consists essentially of fibers.
- a reconstituted tobacco web is manufactured by an ordinary method by using the extraction residue.
- the extraction residue may constitute the entire reconstituted tobacco web or a part of the reconstituted tobacco web.
- a reconstituted tobacco web can be obtained by subjecting pulp material containing the extraction residue to an ordinary paper-making process.
- the tobacco extracted liquid is contained in a process vessel and fed to a reverse osmosis membrane under pressure.
- the reverse osmosis membrane fraction ates the tobacco extracted liquid into a membrane permeable fraction and a membrane impermeable fraction.
- the membrane permeable fraction is enriched in undesired components including TSNAs.
- the membrane impermeable fraction is depleted in the undesired components including TSNAs.
- the initial amount of desired components (such as nicotine) in the tobacco extracted liquid is substantially maintained (85 wt% or more).
- the membrane permeable fraction substantially contains no desired components.
- the reverse osmosis membrane is a membrane which is permeable to the undesired components, and substantially impermeable to the desired components.
- the reverse osmosis membrane is preferably impermeable to soluble components (excluding TSNAs), such as sugar, contained in the tobacco extracted liquid.
- a reverse osmosis membrane having a pore size of 0.1 to 3 nm may be used.
- the reverse osmosis membrane may be a flat sheet membrane, a membrane obtained by forming a bag-shaped membrane into a tubular shape (spiral membrane), or a hollow fiber membrane or a tubular membrane.
- the tobacco extracted liquid can be supplied to the reverse osmosis membrane under a pressure of, for example, 1 to 3 MPa.
- the membrane permeable fraction is discarded.
- Supply of the tobacco extracted liquid to the reverse osmosis membrane can be performed by using a high-pressure pump.
- the tobacco extracted liquid is sent under high pressure by the high-pressure pump, and thus the temperature of the tobacco extracted liquid rises. Therefore, in order to efficiently perform the fractionating treatment by means of the reverse osmosis membrane, the tobacco extracted liquid is controlled to fall within a temperature of 40 to 80°C (generally by cooling) during the fractionating treatment. Further, precipitates such as protein are precipitated in the tobacco extracted liquid because the tobacco extracted liquid reaches a relatively high temperature during the fractionating treatment, and thus the precipitates are removed. To remove the precipitates such as protein from the tobacco extracted liquid, the tobacco extracted liquid is preferably made to pass through a filter.
- the precipitates such as protein have a diameter of 3 ⁇ m or more
- a metal filter having a pore size of 3 ⁇ m or less can be used as the filter.
- the pore size of the filter is generally 1.8 ⁇ m or more.
- the precipitates when not removed, decrease the fractionation efficiency of the reverse osmosis membrane, and makes the reverse osmosis membrane inoperative in the end.
- fine suspended matter may exist in the tobacco extracted liquid as extracted, the tobacco extracted liquid is preferably made to pass through a filter to remove the fine suspended matter in advance.
- the tobacco extracted liquid which is initially contained in the process vessel may have a temperature within a range of 40 to 80°C.
- the membrane impermeable fraction is concentrated by repeating a cycle of returning the membrane impermeable fraction to the process vessel and then subjecting the membrane impermeable fraction to the membrane fractionating treatment.
- the membrane impermeable fraction concentrated as described above is supplied with process water in the process vessel, in order to improve the fractionation efficiency by means of the reverse osmosis membrane.
- the membrane impermeable fraction, to which the process water has been added, is subjected to the membrane fractionating treatment, and then the obtained membrane impermeable fraction is returned to the process vessel.
- the cycle consisting of addition of the process water, membrane fractionating treatment, and return of the membrane impermeable fraction to the process vessel is repeated until the TSNA amount in the membrane impermeable fraction is reduced to, for example, approximately 40 wt% or less of the initial amount (TSNA removal rate is 60 wt% or more), 20 wt% or less of the initial amount (TSNA removal rate is 80 wt% or more), or 10 wt% or less of the initial amount (TSNA removal rate is 90 wt% or more).
- the desired components for example, nicotine
- the process water should contain no bicarbonate ions. It has been found that when process water containing bicarbonate ions is used, the fractionating treatment needs more time.
- hard water containing bicarbonate ions is used as the process water, in which bicarbonate ions are removed in advance by, for example, an ultrafiltration membrane.
- the above fractionating treatment can be executed by means of a fractionating apparatus for separating desired components from TSNA-including undesired components in the tobacco extracted liquid
- the fractionating apparatus comprising: a process vessel which contains the tobacco extracted liquid, a fractionating device comprising a reverse osmosis membrane by which the tobacco extracted liquid is fractionated into a membrane impermeable fraction containing the desired components and depleted in the undesired components and a membrane permeable fraction enriched in the undesired components, a pump which feeds the tobacco extracted liquid to the fractionating device under pressure, a filter for removing precipitates such as protein which are precipitated in the tobacco extracted liquid during the fractionating treatment, and a temperature controlling device which controls the tobacco extracted liquid to have a temperature suitable for the fractionating treatment during the fractionating treatment, and an ultrafiltration device which comprises ultrafiltration membrane for removing bicarbonate ions from hard water containing bicarbonate ions, and is configured to provide bicarbonate ion-removed water as process water, wherein the temperature
- FIG. 1 is a schematic diagram illustrating a structure of the above apparatus.
- a fractionating apparatus 100 illustrated in FIG. 1 comprises a process vessel 110 which contains the tobacco extracted liquid.
- the process vessel 110 communicates with a high-pressure pump 130 by a line L1, and the high-pressure pump 130 communicates with a fractionating device 140 comprising a reverse osmosis membrane 141 by a line L2.
- the fractionating device 140 communicates with the process vessel 110 by a line L3.
- the fractionating device 140 has a discard line L4 for discarding a membrane permeable fraction.
- the line L1 is provided with a filter 120 for removing precipitates such as protein which are precipitated in the tobacco extracted liquid, wherein the precipitates are increased by repeated fractionating treatments of the tobacco extracted liquid by means of the fractionating device 140.
- the filter 120 has pores of 3 ⁇ m in order to prevent precipitates such as protein precipitated in the tobacco extracted liquid from passing through the filter 120.
- the line L3 is provided with a heat exchanger 150 serving as a temperature controlling device which controls and maintains a temperature of the tobacco extracted liquid within a range of 40 to 80°C, wherein the temperature of the tobacco extracted liquid rises during the repeated fractionating treatments.
- the heat exchanger 150 can be a device which introduces cooling water into a part around the line L3 from a line L5, and discharges the water after heat exchange from a line L6.
- the tobacco extracted liquid obtained by the above extracting treatment can be stored in a storage vessel 160.
- the tobacco extracted liquid contained in the storage vessel 160 may be stored at low temperature (of 10 to 20°C) in order to prevent decomposition.
- One batch of tobacco extracted liquid TEL is supplied to the process vessel 110 from the storage vessel 160 through a line L7. Then, the tobacco extracted liquid contained in the process vessel 110 is fed from the process vessel 110 to the fractionating device 140 through the filter 120 by drive of the high-pressure pump 130.
- the tobacco extracted liquid is fractionated into a membrane permeable fraction which is depleted in the desired components and enriched in the undesired components including TSNAs, and a membrane impermeable fraction which is depleted in the undesired components including TSNAs and containing the desired components, by means of the reverse osmosis membrane 141 of the fractionating device 140.
- the membrane permeable fraction is discarded from the fractionating device 140 through the line L4.
- the membrane impermeable fraction is returned to the process vessel 110 through the line L3.
- the membrane impermeable fraction which has been returned to the process vessel 110 is supplied again to the fractionating device 150 by the high-pressure pump 130 through the lines L1 and L2, and fractionated into a membrane permeable fraction and a membrane impermeable fraction.
- the membrane impermeable fraction can be returned to the process vessel 110 through the line L3. Needless to say, the membrane permeable fraction is discarded each time through the line L4.
- process water is added from a water vessel 170 to the membrane impermeable fraction contained in the process vessel 110 through a line L8, in order to prevent decrease in efficiency of the fractionating treatment by means of the reverse osmosis membrane.
- the line L8 may be provided with an ultrafiltration device 180 comprising an ultrafiltration membrane 181, in order to remove bicarbonate ions from the hard water containing bicarbonate ions.
- a filtrate (bicarbonate ion-removed water) derived from the ultrafiltration device 180 is added as the process water to the process vessel 110 through the line L8.
- the membrane impermeable fraction to which the process water has been added is repeatedly subjected to the fractionating treatment until the amount of TSNAs in the fraction is reduced to, for example, approximately 40 wt% or less, 20 wt% or less, or 10 wt% or less, of the initial amount thereof.
- the amount (volume) of the membrane permeate obtained by fractionating the membrane impermeable fraction containing the process water is the same as the amount (volume) of the added process water.
- the tobacco extracted liquid (the concentrated tobacco extracted liquid and the tobacco extracted liquid containing the process water) is cooled to a temperature of 40 to 80°C by the heat exchanger 150, and maintained at the temperature, and precipitates such as protein are removed from the tobacco extracted liquid by the filter 120.
- the amount of the undesired components, such as TSNAs, in the membrane impermeable fraction can be determined by measuring the amount of the desired components or the undesired components contained in the membrane permeable fraction discharged from the line L4.
- the temperature of the tobacco extracted liquid can be monitored by a temperature sensor 180, which is provided on the line L2 and close to the fractionating device 141.
- the filter 120 is provided (on the line L1) between the process vessel 110 and the high-pressure pump 130, a similar filter 120' may be provided on the line L3 between the fractionating device 140 and the heat exchanger 150, and/or a similar filter 120 may be provided on the line L3 between the heat exchanger 150 and the process vessel 110, instead of or in addition to the filter 120, as indicated by broken lines in FIG. 1 .
- the process vessel 110 may be externally provided with a line L9 to circulate the tobacco extracted liquid contained in the process vessel 110, and the line L9 may be provided with a similar filter 120'''.
- the extraction residue was subjected to paper-making process, and thereby a reconstituted tobacco web was obtained.
- the tobacco extracted liquid was stored in the storage vessel 160.
- process water 1L of water (process water), from which bicarbonate ions have been removed in advance by means of the ultrafiltration membrane 181, was added to the 18L of concentrated membrane impermeable fraction in the process vessel 110, and membrane fractionating treatment was performed in a similar manner.
- the membrane impermeable fraction was returned to the process vessel 110, 1L of water, from which bicarbonate ions have been removed in advance, was added to the membrane impermeable fraction again, and the membrane impermeable fraction was returned to the process vessel 110. Addition of the process water and fractionating treatment were repeated until the total amount of the added process water reached 133 L, and thereby a desired (final) membrane impermeable fraction was obtained (it took approximately one hour since concentration was started).
- the tobacco extracted liquid was maintained at approximately 60°C, and precipitates such as protein were removed by the filter 120.
- the amount of TSNAs in the obtained membrane impermeable fraction was 4.5% of the initial amount thereof (removal rate of 95.5%), and nicotine was maintained at approximately 86.6% of the initial amount thereof.
- the membrane impermeable fraction obtained as described above was added to the reconstituted tobacco web, and thereby a reconstituted tobacco material was obtained.
- the comparative Example was performed in the same procedure as Example 1, except that hard water, from which bicarbonate ions were not removed, was used without any treatment as the process water.
- 133 L of hard water in total was added in order to obtain a final membrane impermeable fraction having the same TSNA removal rate and nicotine maintenance rate as those of Example 1. Approximately 80 minutes was required to obtain the final membrane impermeable fraction since concentration was started.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Tobacco Products (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Claims (3)
- Procédé pour fabriquer un matériau de tabac reconstitué, comprenant :(a) l'extraction d'un matériau de tabac naturel avec un solvant d'extraction pour que soit obtenu un résidu d'extraction et un liquide extrait du tabac contenant des composants souhaités et des composants non souhaités comprenant des nitrosamines spécifiques du tabac ;(b) la soumission du liquide extrait du tabac à un traitement de fractionnement au moyen d'une membrane d'osmose inverse pour que soit obtenue une fraction ne pouvant pas traverser la membrane par perméation contenant les composants souhaités et appauvrie en les composants non souhaités et une fraction pouvant traverser la membrane par perméation appauvrie en les composants souhaités et enrichie en les composants non souhaités ;(c) le contrôle du liquide extrait du tabac durant le traitement de fractionnement pour qu'il y ait une température convenant pour le traitement de fractionnement ;(d) l'élimination de précipités, qui sont précipités dans le liquide extrait du tabac durant le traitement de fractionnement, à partir du liquide extrait du tabac ;(e) la préparation d'une toile de tabac reconstitué contenant le résidu d'extraction ; et(f) l'addition de la fraction ne pouvant pas traverser la membrane par perméation à la toile de tabac reconstitué,dans lequel l'étape (b) comprend :(b-1) la mise en oeuvre répétée du traitement de fractionnement pour que soit obtenue une fraction ne pouvant pas traverser la membrane par perméation, et(b-2) la répétition d'un cycle afin d'ajouter de l'eau de traitement à la fraction ne pouvant pas traverser la membrane par perméation concentrée et le traitement de fractionnement de la fraction ne pouvant pas traverser la membrane par perméation fournie avec l'eau de traitement, dans laquelle l'eau de traitement est obtenue par élimination d'ions bicarbonate dans de l'eau dure contenant des ions bicarbonate, dans lequel le liquide extrait du tabac est contrôlé pour avoir une température située dans la plage allant de 40 à 80 °C dans l'étape (c).
- Procédé selon la revendication 1, dans lequel le cycle est répété jusqu'à ce qu'une fraction ne pouvant pas traverser la membrane par perméation, de laquelle les nitrosamines spécifiques du tabac dans le liquide extrait du tabac obtenu dans l'étape (a) sont éliminées à raison de 60 % en poids ou plus de leur quantité initiale, soit obtenue.
- Procédé selon la revendication 1 ou 2, dans lequel l'étape (d) est effectuée par utilisation d'un filtre ayant une taille de pores de 3 µm ou moins.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2011/056077 WO2012124059A1 (fr) | 2011-03-15 | 2011-03-15 | Procédé et dispositif de production de matériau de tabac régénéré |
Publications (3)
Publication Number | Publication Date |
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EP2687110A1 EP2687110A1 (fr) | 2014-01-22 |
EP2687110A4 EP2687110A4 (fr) | 2014-11-12 |
EP2687110B1 true EP2687110B1 (fr) | 2017-12-13 |
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EP11861287.8A Active EP2687110B1 (fr) | 2011-03-15 | 2011-03-15 | Procédé et dispositif de production de matériau de tabac régénéré |
Country Status (4)
Country | Link |
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US (1) | US20140014123A1 (fr) |
EP (1) | EP2687110B1 (fr) |
RU (1) | RU2562037C2 (fr) |
WO (1) | WO2012124059A1 (fr) |
Families Citing this family (11)
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BR112015022414B1 (pt) * | 2013-03-15 | 2022-01-11 | Philip Morris Products S.A. | Método para redução da quantidade de pelo menos uma 4-(metilnitrosamina)-1-(3-piridil)-1- butanona (nnk) ligada à matriz em material de tabaco e material de tabaco |
CN103284305B (zh) * | 2013-04-16 | 2015-09-30 | 川渝中烟工业有限责任公司 | 采用滚筒管板式烘丝机降低卷烟nnn释放量的烘丝方法 |
CN103284314B (zh) * | 2013-04-16 | 2015-09-30 | 川渝中烟工业有限责任公司 | 采用滚筒管板式烘丝机降低卷烟nat释放量的烘丝方法 |
CN103284293B (zh) * | 2013-04-16 | 2015-06-10 | 川渝中烟工业有限责任公司 | 采用sh94降低卷烟h值的烘丝工艺方法 |
CN103919272A (zh) * | 2014-04-25 | 2014-07-16 | 安徽中烟再造烟叶科技有限责任公司 | 再造烟叶萃取液低温浓缩系统及其低温浓缩方法 |
CN104138028B (zh) * | 2014-07-15 | 2016-02-24 | 上海烟草集团有限责任公司 | 一种烟草香味成分的提取方法及其应用 |
HUE053575T2 (hu) * | 2017-05-19 | 2021-07-28 | Philip Morris Products Sa | Eljárás alkaloid-tartalmú anyag öntésére |
CN108056494A (zh) * | 2018-01-31 | 2018-05-22 | 湖北中烟工业有限责任公司 | 一种提高重组烟叶裹衣涂布液纯净度的系统及方法 |
CN110314548A (zh) * | 2019-07-17 | 2019-10-11 | 安徽科博瑞环境科技有限公司 | 再造烟叶萃取液膜分离净化浓缩系统及其处理工艺 |
CN113218700B (zh) * | 2021-04-29 | 2022-04-15 | 河海大学 | 一种土壤培养方式下植物根系分泌物的膜收集装置及方法 |
CN115251454A (zh) * | 2022-05-20 | 2022-11-01 | 深圳麦克韦尔科技有限公司 | 烟草提取物的处理方法、气溶胶生成基质以及雾化器 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1016844A (en) * | 1911-06-29 | 1912-02-06 | Adolph Moonelis | Artificial tobacco and process of making same. |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4131117A (en) * | 1976-12-21 | 1978-12-26 | Philip Morris Incorporated | Method for removal of potassium nitrate from tobacco extracts |
JPS58126775A (ja) * | 1981-09-14 | 1983-07-28 | リ−フ・プロテインズ・インコ−ポレ−テツド | 喫煙用製品として使用するためにニコチンと緑色色素とタンパク質とを除脱したタバコの製造方法 |
US5005593A (en) * | 1988-01-27 | 1991-04-09 | R. J. Reynolds Tobacco Company | Process for providing tobacco extracts |
JP2505861B2 (ja) * | 1988-07-06 | 1996-06-12 | 株式会社テック | ドットプリンタ |
WO2004008888A1 (fr) * | 2002-07-18 | 2004-01-29 | Phasex Corporation | Reduction d'ingredients dans le tabac |
WO2004098323A1 (fr) | 2003-05-06 | 2004-11-18 | Japan Tobacco Inc. | Procédé de production de tabac régénéré |
EP2138214A1 (fr) * | 2008-06-27 | 2009-12-30 | British American Tobacco (Investments) Limited | Procédé pour l'élimination d'hydrocarbures aromatiques polycycliques |
JP2010042368A (ja) * | 2008-08-14 | 2010-02-25 | Fujifilm Finechemicals Co Ltd | 固液分離方法及び固液分離装置 |
-
2011
- 2011-03-15 RU RU2013145864/12A patent/RU2562037C2/ru active
- 2011-03-15 EP EP11861287.8A patent/EP2687110B1/fr active Active
- 2011-03-15 WO PCT/JP2011/056077 patent/WO2012124059A1/fr unknown
-
2013
- 2013-09-12 US US14/025,550 patent/US20140014123A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1016844A (en) * | 1911-06-29 | 1912-02-06 | Adolph Moonelis | Artificial tobacco and process of making same. |
Non-Patent Citations (1)
Title |
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ANONYMOUS: "Water & Process Technologies: Reverse Osmosis for WFI and PW", INTERNET CITATION, 1 May 1995 (1995-05-01), XP055243876, Retrieved from the Internet <URL:http://www.megaheart.com/osmosis.htm> [retrieved on 20160122] * |
Also Published As
Publication number | Publication date |
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RU2013145864A (ru) | 2015-04-27 |
WO2012124059A1 (fr) | 2012-09-20 |
US20140014123A1 (en) | 2014-01-16 |
RU2562037C2 (ru) | 2015-09-10 |
EP2687110A1 (fr) | 2014-01-22 |
EP2687110A4 (fr) | 2014-11-12 |
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