CN102894463B - Method for preparing aroma-enhancing and harmful substance-reducing paper-making process reconstituted tobaccos - Google Patents
Method for preparing aroma-enhancing and harmful substance-reducing paper-making process reconstituted tobaccos Download PDFInfo
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- CN102894463B CN102894463B CN201210442777.4A CN201210442777A CN102894463B CN 102894463 B CN102894463 B CN 102894463B CN 201210442777 A CN201210442777 A CN 201210442777A CN 102894463 B CN102894463 B CN 102894463B
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- 241000208125 Nicotiana Species 0.000 title claims abstract description 137
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 137
- 238000000034 method Methods 0.000 title claims abstract description 88
- 238000000576 coating method Methods 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 25
- 239000011248 coating agent Substances 0.000 claims abstract description 24
- 239000004113 Sepiolite Substances 0.000 claims abstract description 22
- 229910052624 sepiolite Inorganic materials 0.000 claims abstract description 22
- 235000019355 sepiolite Nutrition 0.000 claims abstract description 22
- 239000007787 solid Substances 0.000 claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 13
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 6
- 239000012141 concentrate Substances 0.000 claims description 34
- 239000002245 particle Substances 0.000 claims description 27
- 239000012530 fluid Substances 0.000 claims description 20
- 238000000605 extraction Methods 0.000 claims description 12
- 238000007592 spray painting technique Methods 0.000 claims description 11
- 239000000470 constituent Substances 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 9
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims description 2
- 230000000391 smoking effect Effects 0.000 abstract description 8
- 238000001035 drying Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 235000019504 cigarettes Nutrition 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- 239000002304 perfume Substances 0.000 description 8
- 235000013599 spices Nutrition 0.000 description 8
- 230000001953 sensory effect Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 101710089042 Demethyl-4-deoxygadusol synthase Proteins 0.000 description 3
- 239000003205 fragrance Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000003809 water extraction Methods 0.000 description 3
- 238000004939 coking Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 206010021703 Indifference Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 239000006259 organic additive Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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- Manufacture Of Tobacco Products (AREA)
Abstract
The invention provides a method for preparing aroma-enhancing and harmful substance-reducing paper-making process reconstituted tobaccos. The method comprises the following steps of: 1, extracting tobacco stems and tobacco powder by using water at temperature of between 40 and 70 DEG C, and concentrating the obtained liquid components to a concentrated solution of which the solid content is 20 to 55 percent; 2, adding cut tobacco powder in an amount which is 10 to 50 percent of the absolute dry weight of the concentrated solution, calcium carbonate in an amount which is 5 to 40 percent of the absolute dry weight of the concentrated solution and sepiolite in an amount which is 0 to 8 percent of the absolute dry weight of the concentrated solution into the concentrated solution with stirring to obtain a coating solution; and 3, coating the coating solution on the surfaces of reconstituted tobacco substrates which are prepared from solid components obtained after the tobacco stems and the tobacco powder by extracting in a two-sided coating mode, drying, and slicing to obtain the aroma-enhancing and harmful substance-reducing paper-making process reconstituted tobaccos. The paper-making process reconstituted tobaccos are high in smoking quality and high in practicality, and the content of harm substances can be reduced.
Description
Technical field
The invention belongs to the preparation field of papermaking-method reconstituted tobaccos, specifically refer to the preparation method of flavouring harm reduction type papermaking-method reconstituted tobaccos.
Background technology
Reconstituted tobacco (Reconstituted Tobacco), also known as reconstituted tobacoo, homogeneous tobacco leaf or recombination tobacco leaf.The western developed countries such as it grew up from the 1950's, the U.S. are as far back as the patent just having reconstituted tobacco aspect in the middle of the 19th century, and for its development, originally people just consider from twice laid.Reconstituted tobacco manufacturing technology experienced by roll-in method-3 stages of thick slurry processes-paper process.Reconstituted tobacco technology mainly utilizes the tobacco material such as offal, offal discarded in whole production of cigarettes process (comprising Da Yedeng workshop section) to be that raw material is through different processing methods process, make the flaky substance of proterties close to natural tobacco, then be applied in the middle of cigarette composition as one of important raw material after chopping.
Papermaking-method reconstituted tobaccos adopts the general principle of papermaking to prepare reconstituted tobacco.Papermaking-method reconstituted tobaccos mainly contains one-step method and two-step method two kinds of production technologies.One-step technology, is be delivered directly on the paper machine of particular design by the slurry that raw material obtains after soaking defibrination, after dewatering, dry, cutting, makes reconstituted tobacco.Two-step process, after starting material with water is soaked, by DDGS and insoluble matter extract and separate, fiber is added through defibrination outside material after extracting and part, paper machine is copied and makes substrate, DDGS extract is reinforced modulation after heating, Vacuum Concentration, utilizes surface sizing device to immerse in substrate, after super-dry, section, makes reconstituted tobacco.Because one-step method production process production link is difficult to control, producer is seldom had to adopt one-step technology to produce reconstituted tobacco at present.Two-step method processing technology is current the most widely used papermaking-method reconstituted tobaccos production technology in the world, and two-step process is mainly divided into: Feedstock treating workshop section, immersion extraction workshop section, DDGS concentration section, defibrination workshop section, the workshop section that manufactures paper with pulp, drying section and slice packaging workshop section.
Two-step process traditionally produces papermaking-method reconstituted tobaccos, in the higher extraction of temperature and concentration process, in tobacco material, a part can volatilize to the contributive material of suction taste, decompose, transform, thus the fragrance of papermaking-method reconstituted tobaccos is short of and pungent sense aggravation, affect its sense organ suction quality.In addition, along with tobacco business is had higher requirement to cigarette product lowering harm and decreasing coking, as the papermaking-method reconstituted tobaccos of one of cigarette composition raw material, because of himself tar content lower (be about the half of natural pipe tobacco) unique advantage and obtain increasing application.For papermaking-method reconstituted tobaccos, although it falls burnt effect comparatively obviously, harm reduction (reducing CO content) is but contributed less.Therefore, reduce the CO content of papermaking-method reconstituted tobaccos, play lowering harm and decreasing coking effect, and its suction quality not to be affected be the problem needing to solve.
Summary of the invention
The object of the invention is the preparation method that a kind of flavouring harm reduction type papermaking-method reconstituted tobaccos is provided according to above-mentioned deficiency, the flavouring harm reduction type papermaking-method reconstituted tobaccos prepared by the inventive method not only can reduce harmful substance contents in the main flume of its burning, and can improve suction quality.
Technical scheme of the present invention is as follows: a kind of preparation method of flavouring harm reduction type papermaking-method reconstituted tobaccos, its step comprises: the first step, by the water extraction 30-50 minutes with 40-70 DEG C of offal and offal, the liquid component obtained is concentrated into the concentrate that solid content is 20-55%; Second step, in stirring, adds the pipe tobacco powder of concentrate oven dry weight 10-50%, the calcium carbonate of 5-40% and the sepiolite of 0-8%, obtains coating fluid in above-mentioned concentrate; 3rd step, after being adopted by coating fluid the mode of double spread to be coated on offal and offal extraction, gained solid constituent is through the surface of the reconstituted tobacco substrate prepared by paper process, after super-dry, section, namely obtain described flavouring harm reduction type papermaking-method reconstituted tobaccos.
Preferably, the stirring intensity of described second step is 1000-3000rpm.
Preferably, described pipe tobacco powder diameter is 10-40 μm.
Preferably, the particle diameter of described calcium carbonate is 2-20 μm.
Preferably, the particle diameter of described sepiolite is 50-1000nm.
Preferably, described pipe tobacco powder is the discarded tobacco shred of wraparound workshop generation.
Preferably, the coating process of described 3rd step is double-face spray painting.
Preferably, the density of described sepiolite is 1-2.2g/cm
3, standard crystal chemical formula is Mg
8(H
2o)
4[Si
6o
16]
2(OH)
48H
2o, wherein SiO
2content is between 54-60%, and content of MgO is between 21-25%.
Most preferred, a kind of preparation method of flavouring harm reduction type papermaking-method reconstituted tobaccos, its step comprises: the first step, and by offal and offal with the water extraction of 40-70 DEG C after 30-50 minutes, the liquid component obtained is concentrated into the concentrate that solid content is 20-55%; Second step, in stirring, the particle diameter adding concentrate oven dry weight 10-50% in above-mentioned concentrate is the pipe tobacco powder of 10-40 μm, the particle diameter of 5-40% is the calcium carbonate of 2-20 μm and the particle diameter of 0-8% is the sepiolite of 50-1000nm, obtains coating fluid; 3rd step, is coated on gained solid constituent after offal and offal extraction by coating fluid through double-face spray painting and, through the surface of the reconstituted tobacco substrate prepared by paper process, after super-dry, section, namely obtains described flavouring harm reduction type papermaking-method reconstituted tobaccos.
The present invention adds pipe tobacco powder in concentrate, can not only make full use of the pipe tobacco leftover bits and pieces that cigarette manufacturing shop produces, and improves the effective rate of utilization of pipe tobacco, can also use it to the cigarette odor-absorbing improving papermaking-method reconstituted tobaccos.Although pipe tobacco leftover bits and pieces is the dead meal that production of cigarettes workshop produces, the composition of itself and real raw material of cigarette indifference, be added in concentrate, can provide the fragrance of tobacco own and fragrance, and save cost during suction.Pearl filler is added in concentrate, paint-flow can be changed, Filling power can be increased on the one hand reduce production cost, regulate the burning velocity of papermaking-method reconstituted tobaccos, increase presentation quality and content of ashes in addition, favourable with the physical appearance improving papermaking-method reconstituted tobaccos to the harmful substance reduced in flue gas of papermaking-method reconstituted tobaccos.The sepiolite harm reduction material with high absorption property and catalytic performance is added in concentrate, can by catalysis and suction-operated, the harmful substance during burning of minimizing papermaking-method reconstituted tobaccos is as the generation of CO, and compared with organic additive, security is higher.Coating method of the present invention is double-face spray painting, and the property sent out is good thoroughly, and coating process controllability is strong.The papermaking-method reconstituted tobaccos obtained by the inventive method not only suction quality is good, and can reduce harmful substance contents, has very strong practicality.
Detailed description of the invention
By the following specific examples further illustrate the invention:
Embodiment 1
The first step, by offal and offal with after the water extraction of 35 DEG C, the liquid component obtained is concentrated into the concentrate that solid content is 32%; Second step, low whipping speed is in the stirring of 2000rpm, in the above-mentioned concentrate of 1000g, add particle diameter be discarded tobacco shred powder 80g, particle diameter that the wraparound workshop of 31 μm produces is the PCC(winnofil of 10 μm) 20g and particle diameter be the sepiolite 5g of 480nm, obtains coating fluid; 3rd step, is coated on gained 850g solid constituent after offal and offal extraction by coating fluid through double-face spray painting and, through the surface of the reconstituted tobacco substrate prepared by paper process, after super-dry, section, namely obtains described flavouring harm reduction type papermaking-method reconstituted tobaccos.
Through sensory evaluating smoking, this perfume (or spice) of tobacco of papermaking-method reconstituted tobaccos of the present invention is more outstanding, and harmony is better, and colourity is closer to tobacco leaf itself.After testing, in flue gas of papermaking-method reconstituted tobaccos of the present invention, tar and CO content do not add the papermaking-method reconstituted tobaccos that tobacco powder and sepiolite formed and reduce by 13% and 9% respectively in concentrate.
Embodiment 2
The first step, after offal and offal being extracted with 40 DEG C of water, the liquid component obtained is concentrated into the concentrate that solid content is 33%; Second step, low whipping speed is in the stirring of 1000rpm, in the above-mentioned concentrate of 2000g, add particle diameter be discarded tobacco shred powder 180g, particle diameter that the wraparound workshop of 19 μm produces is the PCC(winnofil of 5 μm) 50g and particle diameter be the sepiolite 8g of 850nm, obtains coating fluid; 3rd step, is coated on gained 1796g solid constituent after offal and offal extraction by coating fluid through double-face spray painting and, through the surface of the reconstituted tobacco substrate prepared by paper process, after super-dry, section, namely obtains described flavouring harm reduction type papermaking-method reconstituted tobaccos.
Through sensory evaluating smoking, this perfume (or spice) of tobacco of papermaking-method reconstituted tobaccos of the present invention is more outstanding, and harmony is better, and colourity is closer to tobacco leaf itself.After testing, in flue gas of papermaking-method reconstituted tobaccos of the present invention, tar and CO content do not add the papermaking-method reconstituted tobaccos that tobacco powder and sepiolite formed and reduce by 16% and 11% respectively in concentrate.
Embodiment 3
The first step, after offal and offal being extracted with 43 DEG C of water, the liquid component obtained is concentrated into the concentrate that solid content is 29%; Second step, low whipping speed is in the stirring of 3000rpm, in the above-mentioned concentrate of 1800g, add particle diameter be discarded tobacco shred powder 200g, particle diameter that the wraparound workshop of 25 μm produces is the PCC(winnofil of 2 μm) 60g and particle diameter be the sepiolite 12g of 80nm, obtains coating fluid; 3rd step, is coated on gained 1588g solid constituent after offal and offal extraction by coating fluid through double-face spray painting and, through the surface of the reconstituted tobacco substrate prepared by paper process, after super-dry, section, namely obtains described flavouring harm reduction type papermaking-method reconstituted tobaccos.
Through sensory evaluating smoking, this perfume (or spice) of tobacco of papermaking-method reconstituted tobaccos of the present invention is more outstanding, and harmony is better, and colourity is closer to tobacco leaf itself.After testing, in flue gas of papermaking-method reconstituted tobaccos of the present invention, tar and CO content do not add the papermaking-method reconstituted tobaccos that tobacco powder and sepiolite formed and reduce by 18% and 13% respectively in concentrate.
Embodiment 4
The first step, after offal and offal being extracted with 54 DEG C of water, the liquid component obtained is concentrated into the concentrate that solid content is 40%; Second step, low whipping speed is in the stirring of 2000rpm, in the above-mentioned concentrate of 1500g, add particle diameter be discarded tobacco shred powder 150g, particle diameter that the wraparound workshop of 15 μm produces is the PCC(winnofil of 20 μm) 30g and particle diameter be the sepiolite 6g of 130nm, obtains coating fluid; 3rd step, is coated on gained 1572g solid constituent after offal and offal extraction by coating fluid through double-face spray painting and, through the surface of the reconstituted tobacco substrate prepared by paper process, after super-dry, section, namely obtains described flavouring harm reduction type papermaking-method reconstituted tobaccos.
Through sensory evaluating smoking, this perfume (or spice) of tobacco of papermaking-method reconstituted tobaccos of the present invention is more outstanding, and harmony is better, and colourity is closer to tobacco leaf itself.After testing, in flue gas of papermaking-method reconstituted tobaccos of the present invention, tar and CO content do not add the papermaking-method reconstituted tobaccos that tobacco powder and sepiolite formed and reduce by 13% and 9% respectively in concentrate.
Embodiment 5
The first step, after offal and offal being extracted with 48 DEG C of water, the liquid component obtained is concentrated into the concentrate that solid content is 20%; Second step, low whipping speed is in the stirring of 2000rpm, in the above-mentioned concentrate of 2000g, add particle diameter be discarded tobacco shred powder 200g, particle diameter that the wraparound workshop of 10 μm produces is the PCC(winnofil of 10 μm) 120g and particle diameter be the sepiolite 6g of 50nm, obtains coating fluid; 3rd step, is coated on gained 1766g solid constituent after offal and offal extraction by coating fluid through double-face spray painting and, through the surface of the reconstituted tobacco substrate prepared by paper process, after super-dry, section, namely obtains described flavouring harm reduction type papermaking-method reconstituted tobaccos.
Through sensory evaluating smoking, this perfume (or spice) of tobacco of papermaking-method reconstituted tobaccos of the present invention is more outstanding, and harmony is better, and colourity is closer to tobacco leaf itself.After testing, in flue gas of papermaking-method reconstituted tobaccos of the present invention, tar and CO content do not add the papermaking-method reconstituted tobaccos that tobacco powder and sepiolite formed and reduce by 15% and 10% respectively in concentrate.
Embodiment 6
The first step, after offal and offal being extracted with 60 DEG C of water, the liquid component obtained is concentrated into the concentrate that solid content is 55%; Second step, low whipping speed is in the stirring of 2000rpm, in the above-mentioned concentrate of 1000g, add particle diameter be discarded tobacco shred powder 55g, particle diameter that the wraparound workshop of 40 μm produces is the PCC(winnofil of 10 μm) 30g and particle diameter be the sepiolite 44g of 1000nm, obtains coating fluid; 3rd step, is coated on gained 865g solid constituent after offal and offal extraction by coating fluid through double-face spray painting and, through the surface of the reconstituted tobacco substrate prepared by paper process, after super-dry, section, namely obtains described flavouring harm reduction type papermaking-method reconstituted tobaccos.
Through sensory evaluating smoking, this perfume (or spice) of tobacco of papermaking-method reconstituted tobaccos of the present invention is more outstanding, and harmony is better, and colourity is closer to tobacco leaf itself.After testing, in flue gas of papermaking-method reconstituted tobaccos of the present invention, tar and CO content do not add the papermaking-method reconstituted tobaccos that tobacco powder and sepiolite formed and reduce by 16% and 12% respectively in concentrate.
Embodiment 7
The first step, after offal and offal being extracted with 66 DEG C of water, the liquid component obtained is concentrated into the concentrate that solid content is 40%; Second step, low whipping speed is in the stirring of 3000rpm, and in the above-mentioned concentrate of 1500g, add particle diameter be discarded tobacco shred powder 200g, particle diameter that the wraparound workshop of 25 μm produces is the PCC(winnofil of 2 μm) 60g, obtain coating fluid; 3rd step, is coated on gained 1478g solid constituent after offal and offal extraction by coating fluid through double-face spray painting and, through the surface of the reconstituted tobacco substrate prepared by paper process, after super-dry, section, namely obtains described flavouring harm reduction type papermaking-method reconstituted tobaccos.
Through sensory evaluating smoking, this perfume (or spice) of tobacco of papermaking-method reconstituted tobaccos of the present invention is more outstanding, and harmony is better, and colourity is closer to tobacco leaf itself.After testing, in flue gas of papermaking-method reconstituted tobaccos of the present invention, tar and CO content do not add the papermaking-method reconstituted tobaccos that tobacco powder and sepiolite formed and reduce by 11% and 9% respectively in concentrate.
Can find out that the papermaking-method reconstituted tobaccos that the inventive method prepares not only can reduce harmful substance tar and CO content papermaking-method reconstituted tobaccos from embodiment 1-7, and this perfume (or spice) of tobacco is more outstanding, harmony is better, and colourity is closer to tobacco leaf itself.
Claims (3)
1. a preparation method for flavouring harm reduction type papermaking-method reconstituted tobaccos, its step comprises: the first step, and after offal and offal being extracted with 40-70 DEG C of water, the liquid component obtained is concentrated into the concentrate that solid content is 20-55%; Second step, in stirring, adds the pipe tobacco powder of concentrate oven dry weight 10-50%, the calcium carbonate of 5-40% and the sepiolite of 0-8%, obtains coating fluid in above-mentioned concentrate; 3rd step, after being adopted by coating fluid the mode of double spread to be coated on offal and offal extraction, gained solid constituent is through the surface of the reconstituted tobacco substrate prepared by paper process, after super-dry, section, namely obtain described flavouring harm reduction type papermaking-method reconstituted tobaccos; Described pipe tobacco powder is the discarded tobacco shred of wraparound workshop generation; The density of described sepiolite is 1-2.2g/cm
3, standard crystal chemical formula is Mg
8(H
2o)
4[Si
6o
16]
2(OH)
48H
2o, wherein SiO
2content is between 54-60%, and content of MgO is between 21-25%; Described pipe tobacco powder diameter is 10-40 μm; The particle diameter of described calcium carbonate is 2-20 μm; The particle diameter of described sepiolite is 50-1000nm.
2. the preparation method of flavouring harm reduction type papermaking-method reconstituted tobaccos according to claim 1, is characterized in that: the stirring intensity of described second step is 1000-3000rpm.
3. the preparation method of flavouring harm reduction type papermaking-method reconstituted tobaccos according to claim 1, is characterized in that: the coating process of described 3rd step is double-face spray painting.
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| CN201210442777.4A CN102894463B (en) | 2012-11-08 | 2012-11-08 | Method for preparing aroma-enhancing and harmful substance-reducing paper-making process reconstituted tobaccos |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103416839B (en) * | 2013-08-02 | 2016-06-29 | 上海烟草集团有限责任公司 | A kind of method improving papermaking-method reconstituted tobaccos properties of product |
| CN107348557B (en) * | 2017-08-23 | 2019-08-09 | 安徽中烟工业有限责任公司 | A method of using Hu Luba as the burnt fragrant and sweet style reconstituted tobacco of raw material preparation |
| CN108323793B (en) * | 2018-02-11 | 2021-02-02 | 云南中烟工业有限责任公司 | Core base material for heating non-combustible cigarette and preparation method thereof |
| CN110574959A (en) * | 2019-10-12 | 2019-12-17 | 湖北中烟工业有限责任公司 | double-sided independent coating process for reconstituted tobacco |
| CN110574958A (en) * | 2019-10-12 | 2019-12-17 | 湖北中烟工业有限责任公司 | Process for improving spreading rate of reconstituted tobacco |
| CN112704258B (en) * | 2021-01-13 | 2022-04-29 | 江苏鑫源烟草薄片有限公司 | Method for preparing reconstituted tobacco by papermaking method by using multi-element complex and reconstituted tobacco |
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| ES2535285T3 (en) * | 2000-10-05 | 2015-05-07 | Schweitzer-Mauduit International, Inc. | Reduction of nitrosamines in tobacco and tobacco products |
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|---|---|---|---|---|
| CN1093890A (en) * | 1993-12-10 | 1994-10-26 | 大姚县金碧造纸厂 | The Processes and apparatus of producing tobacco flake in method similar to papermaking |
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| CN102894463A (en) | 2013-01-30 |
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