CN104305518A - Membrane extraction process for tobacco leaching liquor - Google Patents
Membrane extraction process for tobacco leaching liquor Download PDFInfo
- Publication number
- CN104305518A CN104305518A CN201410488301.3A CN201410488301A CN104305518A CN 104305518 A CN104305518 A CN 104305518A CN 201410488301 A CN201410488301 A CN 201410488301A CN 104305518 A CN104305518 A CN 104305518A
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- China
- Prior art keywords
- tobacco
- leaching liquor
- membrane
- extraction process
- nanofiltration
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Classifications
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- 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
Abstract
The invention relates to a membrane extraction process for a tobacco leaching liquor, which comprises the following steps: 1) soaking the waste of tobacco containing tobacco scraps left in the production of tobacco and discarded tobacco with water to obtain a tobacco soak solution; 2) separating solid impurities from the tobacco soak solution by a vibration screen to obtain tobacco leaching liquor; 3) filtering the tobacco leaching liquor with a tubular ultra-filtration membrane to obtain tubular ultra-filtration dialysate; 4) passing the tubular ultra-filtration dialysate through a rolled nanofiltration membrane to obtain a nanofiltration concentrated solution; 5) evaporating the nanofiltration concentrated solution to obtain tobacco extract; 6) evaporating the dialysate of the rolled nanofiltration membrane by reverse osmosis concentration. According to the membrane extraction process for the tobacco leaching liquor, solid impurities, some large protein pectin and the like in the tobacco leaching liquor can be retained by removing the impurities by the tubular ultra-filtration membrane, substances which can affect the tobacco leaching liquor are completely removed from the obtained tubular ultra-filtration dialysate, and the mouthfeel and quality of the smoke extract are improved.
Description
Technical field
The present invention relates to a film extraction process growing tobacco leaching liquor, refer in particular to a kind of employing a kind of tubular ultra-filtration membrane, rolling NF membrane, reverse osmosis membrane, the extraction process of remaining tobacco leftover pieces and tobacco waste Aqueous extracts in the production of isolation technics treatment of cigarette.
Background technology
Tobacco extract is that tobacco leftover pieces remaining in production of cigarettes and tobacco waste meet the tobacco extract of national standard through processing and manufacturing place, the quality mouthfeel improving cigarette is added in tobacco according to certain ratio, improve tobacco quality, and discarded object can be made to be recycled, avoid waste to a great extent, economic benefit can be brought for enterprise again.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome deficiency of the prior art, the invention provides a film extraction process growing tobacco leaching liquor, adopt tubular ultra-filtration membrane to carry out removal of impurities and can retain solid impurity in tobacco leaching liquor and part large protein pectin, the material affecting tobacco leaching liquor in the tubular type ultrafiltration dialysis liquid obtained does not exist, and improves tobacco extract mouthfeel and quality.
The technical solution adopted for the present invention to solve the technical problems is: a film extraction process growing tobacco leaching liquor, comprises the steps:
1) tobacco waste comprising tobacco leftover pieces remaining in production of cigarettes and tobacco waste is soaked in water, obtains tobacco soak;
2) solid impurity is separated by vibratory sieve by the tobacco soak obtained in step 1), obtains tobacco leaching liquor;
3) by step 2) the tobacco leaching liquor that obtains filters through tubular ultra-filtration membrane, obtains tubular type ultrafiltration dialysis liquid;
4) tubular type ultrafiltration dialysis liquid step 3) obtained, through rolling NF membrane, obtains nanofiltration concentrate;
5) nanofiltration concentrate step 4) obtained, through evaporation, obtains tobacco extract.
Adopt tubular ultra-filtration membrane to carry out removal of impurities and can retain solid impurity in tobacco leaching liquor and part large protein pectin, the material affecting tobacco leaching liquor in the tubular type ultrafiltration dialysis liquid obtained does not exist, and improves tobacco extract mouthfeel and quality.
As preferably, the nanofiltration dislysate that in described step 4), tubular type ultrafiltration dialysis liquid obtains through rolling NF membrane, through coiled reverse osmosis membrane, obtains reverse osmosis concentrated liquid, and described reverse osmosis concentrated liquid and nanofiltration concentrate, jointly through evaporating, obtain tobacco extract.
Protein contained in leaching liquor, pectin, the molecular weight of the polymer substances such as fiber is more than 5000, nicotine, the molecular weight of amino acid monose, below 300, so concentrated by the materials such as the part monose in nanofiltration dislysate with coiled reverse osmosis membrane, ensure that the mouthfeel of tobacco leaching liquor.
Particularly, in described step 1), the addition of water is 6-7 times of tobacco waste weight, and water heating is boiled, and the time that tobacco waste soaks in water is 2-3 hour.
Particularly, described tubular ultra-filtration membrane aperture is 50nm, and operating pressure is 2-6bar, and crossflow velocity is 3-4m/s, and temperature is 15-60 DEG C.
Particularly, described rolling NF membrane is 200mwco, and runner is 46mil, and operating pressure is 12-20bar, and flow velocity is 3-4m/s, and operating temperature is 15-55 DEG C.
Particularly, the pol of described nanofiltration concentrate is 14-15%.
Particularly, described coiled reverse osmosis membrane aperture=0.1nm, runner is 46mil, and operating pressure is 15-30bar, and flow velocity is 3-4m/s, and operating temperature is 15-45 DEG C.
Particularly, the pol of described reverse osmosis concentrated liquid is 5-6%.
Particularly, the pol of described tobacco extract is 60%.
The invention has the beneficial effects as follows: the provided by the invention one film extraction process growing tobacco leaching liquor, has the following advantages:
1, contained in leaching liquor protein, pectin, the molecular weight of the polymer substances such as fiber is more than 5000, nicotine, the molecular weight of amino acid monose, below 300, so concentrated by the materials such as the part monose in nanofiltration dislysate with coiled reverse osmosis membrane, ensure that the mouthfeel of tobacco leaching liquor;
2, the technical characterstic of UF membrane is, according to different-grain diameter molecule on molecular level mixture by pellicle time, realize the technology of Selective Separation, process be easy to operation control, reproducible, be applicable to suitability for industrialized production;
3, this programme adopts tubular ultra-filtration membrane to carry out removal of impurities and can retain solid impurity in tobacco leaching liquor and part large protein pectin, and the material affecting tobacco leaching liquor in the dislysate obtained does not exist, and improves tobacco extract mouthfeel and quality;
4, NF membrane concentrate not removing only the most of inorganic salts in tobacco leaching liquor and makes the sugared content of tobacco leaching liquor increase further, alleviate the energy consumption of subsequent evaporation, and coiled reverse osmosis membrane is by carrying out the concentrated active ingredient saving tobacco leaching liquor greatly to nanofiltration dislysate, improve product yield, and ensure that quality and the mouthfeel of tobacco extract.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the of the present invention one film extraction process flow chart growing tobacco leaching liquor.
Detailed description of the invention
Below in conjunction with specific embodiment, further the present invention is set forth, should be understood that and quote embodiment only for illustration of the present invention, and be not used in and limit the scope of the invention.
Embodiment 1
1) first get the water that the tobacco waste 60kg comprising tobacco leftover pieces remaining in production of cigarettes and tobacco waste adds 7 times, be heated to 100 DEG C and boil, soak 2 hours, obtain tobacco soak;
2) shake sieve by the large-sized solid Impurity removal in tobacco soak by routine, obtain the tobacco leaching liquor of 370 kilograms, pol is 4.83%;
3) insoluble impurities and large protein are retained by tobacco leaching liquor tubular ultra-filtration membrane, tubular ultra-filtration membrane aperture is 50nm, film operating pressure 3bar, flow velocity is 3m/s, temperature is 40 DEG C, and the dialysis that adds water obtains tubular type ultrafiltration dialysis liquid 450 kilograms, and pol is 4.5%, wherein tubular type ultrafiltration dialysis liquid yield is 91.18%, and total recovery is 98.79%;
4) by tubular type ultrafiltration dialysis liquid through the nanofiltration of rolling NF membrane, rolling NF membrane is 200mwco, runner is 46mil, operating pressure is 14bar, and flow velocity is 3m/s, and temperature is 39 DEG C, tobacco leaching liquor pol is concentrated into 14%, obtain nanofiltration concentrate 90kg, wherein nanofiltration concentrate yield is 72%, and total recovery is 96.6%;
5) filtered through coiled reverse osmosis membrane by nanofiltration dislysate, coiled reverse osmosis membrane aperture is 0.1nm runner is 46mil, operating pressure 16bar, flow velocity 3m/s, temperature is 43 DEG C and nanofiltration dislysate pol is concentrated into 5.6%, and obtain reverse osmosis concentrated liquid 56kg, wherein total recovery is 98%;
6) nanofiltration concentrate and reverse osmosis concentrated liquid are evaporated respectively, pol is evaporated to 60%, obtain tobacco extract.
Embodiment 2
1) first get the water that the tobacco waste 60kg comprising tobacco leftover pieces remaining in production of cigarettes and tobacco waste adds 6.5 times, be heated to 100 DEG C and boil, soak 2 hours, obtain tobacco soak;
2) shake sieve by the large-sized solid Impurity removal in tobacco soak by routine, obtain the tobacco leaching liquor of 343 kilograms, pol is 4.64%;
3) insoluble impurities and large protein are retained by tobacco leaching liquor tubular ultra-filtration membrane, tubular ultra-filtration membrane aperture is 50nm, film operating pressure 2bar, flow velocity is 3m/s, temperature is 60 DEG C, and the dialysis that adds water obtains tubular type ultrafiltration dialysis liquid 420 kilograms, and pol is 4.57%, wherein tubular type ultrafiltration dialysis liquid yield is 89.03%, and total recovery is 96.16%;
4) by tubular type ultrafiltration dialysis liquid through the nanofiltration of rolling NF membrane, rolling NF membrane is 200mwco, runner is 46mil, operating pressure is 12bar, and flow velocity is 3m/s, and temperature is 55 DEG C, tobacco leaching liquor pol is concentrated into 14.3%, obtain nanofiltration concentrate 82kg, wherein nanofiltration concentrate yield is 77.67%, and total recovery is 89.4%;
5) filtered through coiled reverse osmosis membrane by nanofiltration dislysate, coiled reverse osmosis membrane aperture is 0.1nm, and runner is 46mil, operating pressure 15bar, flow velocity 3m/s, temperature is 45 DEG C and nanofiltration dislysate pol is concentrated into 5%, obtain reverse osmosis concentrated liquid 47kg, wherein total recovery is 99%;
6) nanofiltration concentrate and reverse osmosis concentrated liquid are evaporated respectively, pol is evaporated to 60%, obtain tobacco extract.
Embodiment 3
1) first get the water that the tobacco waste 45kg comprising tobacco leftover pieces remaining in production of cigarettes and tobacco waste adds 7 times, be heated to 100 DEG C and boil, soak 2 hours, obtain tobacco soak;
2) shake sieve by the large-sized solid Impurity removal in tobacco soak by routine, obtain the tobacco leaching liquor of 280 kilograms, pol is 5.21%;
3) insoluble impurities and large protein are retained by tobacco leaching liquor tubular ultra-filtration membrane, tubular ultra-filtration membrane aperture is 50nm, film operating pressure 6bar, flow velocity is 4m/s, temperature is 15 DEG C, and the dialysis that adds water obtains tubular type ultrafiltration dialysis liquid 340 kilograms, and pol is 4.8%, wherein tubular type ultrafiltration dialysis liquid yield is 92.27%, and total recovery is 98.93%;
4) by tubular type ultrafiltration dialysis liquid through the nanofiltration of rolling NF membrane, rolling NF membrane is 200mwco, runner is 46mil, operating pressure is 20bar, and flow velocity is 4m/s, and temperature is 15 DEG C, tobacco leaching liquor pol is concentrated into 15%, obtain nanofiltration concentrate 66kg, wherein nanofiltration concentrate yield is 83%, and total recovery is 97.8%;
5) filtered through coiled reverse osmosis membrane by nanofiltration dislysate, coiled reverse osmosis membrane aperture is 0.1nm runner is 46mil, operating pressure 30bar, flow velocity 4m/s, temperature is 15 DEG C and nanofiltration dislysate pol is concentrated into 5.7%, and obtain reverse osmosis concentrated liquid 39kg, wherein total recovery is 98.56%.
6) nanofiltration concentrate and reverse osmosis concentrated liquid are evaporated respectively, pol is evaporated to 60%, obtain tobacco extract.
Embodiment 4
1) first get the water that the tobacco waste 60kg comprising tobacco leftover pieces remaining in production of cigarettes and tobacco waste adds 6 times, be heated to 100 DEG C and boil, soak 3 hours, obtain tobacco soak;
2) shake sieve by the large-sized solid Impurity removal in tobacco soak by routine, obtain the tobacco leaching liquor of 345 kilograms, pol is 4.71%;
3) insoluble impurities and large protein are retained by tobacco leaching liquor tubular ultra-filtration membrane, tubular ultra-filtration membrane aperture is 50nm, film operating pressure 4.5bar, flow velocity is 3.3m/s, temperature is 60 DEG C, and the dialysis that adds water obtains tubular type ultrafiltration dialysis liquid 470 kilograms, and pol is 4.4%, wherein tubular type ultrafiltration dialysis liquid yield is 94.02%, and total recovery is 99.11%;
4) by tubular type ultrafiltration dialysis liquid through the nanofiltration of rolling NF membrane, rolling NF membrane is 200mwco, runner is 46mil, operating pressure is 20bar, and flow velocity is 4m/s, and temperature is 55 DEG C, tobacco leaching liquor pol is concentrated into 15%, obtain nanofiltration concentrate 93kg, wherein nanofiltration concentrate yield is 81%, and total recovery is 97.91%;
5) filtered through coiled reverse osmosis membrane by nanofiltration dislysate, coiled reverse osmosis membrane aperture is 0.1nm runner is 46mil, operating pressure 15bar, flow velocity 3m/s, temperature is 37.5 DEG C and nanofiltration dislysate pol is concentrated into 6%, and obtain reverse osmosis concentrated liquid 61kg, wherein total recovery is 98.53%;
6) nanofiltration concentrate and reverse osmosis concentrated liquid are evaporated respectively, pol is evaporated to 60%, obtain tobacco extract.
Embodiment 5
1) first get the water that the tobacco waste 31kg comprising tobacco leftover pieces remaining in production of cigarettes and tobacco waste adds 6.5 times, be heated to 100 DEG C and boil, soak 2 hours, obtain tobacco soak;
2) shake sieve by the large-sized solid Impurity removal in tobacco soak by routine, obtain the tobacco leaching liquor of 160 kilograms, pol is 4.1%;
3) insoluble impurities and large protein are retained by tobacco leaching liquor tubular ultra-filtration membrane, tubular ultra-filtration membrane aperture is 50nm, film operating pressure 4.2bar, flow velocity is 3.5m/s, temperature is 30 DEG C, and the dialysis that adds water obtains tubular type ultrafiltration dialysis liquid 200 kilograms, and pol is 4.0%, wherein tubular type ultrafiltration dialysis liquid yield is 95.03%, and total recovery is 97.31%;
4) by tubular type ultrafiltration dialysis liquid through the nanofiltration of rolling NF membrane, rolling NF membrane is 200mwco, runner is 46mil, operating pressure is 15bar, and flow velocity is 3m/s, and temperature is 32 DEG C, tobacco leaching liquor pol is concentrated into 14%, obtain nanofiltration concentrate 38kg, wherein nanofiltration concentrate yield is 84.67%, and total recovery is 90.4%;
5) filtered through coiled reverse osmosis membrane by nanofiltration dislysate, coiled reverse osmosis membrane aperture is 0.1nm runner is 46mil, operating pressure 15bar, flow velocity 3m/s, temperature is 32 DEG C and nanofiltration dislysate pol is concentrated into 5.8%, and obtain reverse osmosis concentrated liquid 34kg, wherein total recovery is 99.5%;
6) nanofiltration concentrate and reverse osmosis concentrated liquid are evaporated respectively, pol is evaporated to 60%, obtain tobacco extract.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on description, must determine its technical scope according to right.
Claims (9)
1. a film extraction process growing tobacco leaching liquor, is characterized in that comprising the steps:
1) tobacco waste comprising tobacco leftover pieces remaining in production of cigarettes and tobacco waste is soaked in water, obtains tobacco soak;
2) solid impurity is separated by vibratory sieve by the tobacco soak obtained in step 1), obtains tobacco leaching liquor;
3) by step 2) the tobacco leaching liquor that obtains filters through tubular ultra-filtration membrane, obtains tubular type ultrafiltration dialysis liquid;
4) tubular type ultrafiltration dialysis liquid step 3) obtained, through rolling NF membrane, obtains nanofiltration concentrate;
5) nanofiltration concentrate step 4) obtained, through evaporation, obtains tobacco extract;
6) nanofiltration dislysate step 4) obtained, through evaporation, is mixed in tobacco extract and improves products taste.
2. the as claimed in claim 1 one film extraction process growing tobacco leaching liquor, it is characterized in that: the nanofiltration dislysate that in described step 4), tubular type ultrafiltration dialysis liquid obtains through rolling NF membrane, through coiled reverse osmosis membrane, obtain reverse osmosis concentrated liquid, described reverse osmosis concentrated liquid and nanofiltration concentrate, jointly through evaporating, obtain tobacco extract.
3. the as claimed in claim 1 or 2 one film extraction process growing tobacco leaching liquor, is characterized in that: in described step 1) the addition of water be the 6-7 of tobacco waste weight doubly, and water heating boiled, the time that tobacco waste soaks in water is 2-3 hour.
4. the as claimed in claim 1 or 2 one film extraction process growing tobacco leaching liquor, it is characterized in that: described tubular ultra-filtration membrane aperture is 50nm, operating pressure is 2-6bar, and crossflow velocity is 3-4m/s, and temperature is 15-60 DEG C.
5. the as claimed in claim 1 or 2 one film extraction process growing tobacco leaching liquor, it is characterized in that: described rolling NF membrane is 200mwco, runner is 46mil, and operating pressure is 12-20bar, and flow velocity is 3-4m/s, and operating temperature is 15-55 DEG C.
6. the as claimed in claim 5 one film extraction process growing tobacco leaching liquor, is characterized in that: the pol of described nanofiltration concentrate is 14-15%.
7. the as claimed in claim 2 one film extraction process growing tobacco leaching liquor, it is characterized in that: described coiled reverse osmosis membrane aperture is 0.1nm, runner is 46mil, and operating pressure is 15-30bar, and flow velocity is 3-4m/s, and operating temperature is 15-45 DEG C.
8. the as claimed in claim 7 one film extraction process growing tobacco leaching liquor, is characterized in that: the pol of described reverse osmosis concentrated liquid is 5-6%.
9. the as claimed in claim 1 or 2 one film extraction process growing tobacco leaching liquor, is characterized in that: the pol of described tobacco extract is 60%.
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| CN201410488301.3A CN104305518A (en) | 2014-09-22 | 2014-09-22 | Membrane extraction process for tobacco leaching liquor |
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| CN201410488301.3A CN104305518A (en) | 2014-09-22 | 2014-09-22 | Membrane extraction process for tobacco leaching liquor |
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Cited By (8)
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| CN104667747A (en) * | 2015-02-02 | 2015-06-03 | 杭州利群环保纸业有限公司 | Method for deeply removing impurities from tobacco leaching solution by silicon carbide film method |
| CN105520189A (en) * | 2015-12-30 | 2016-04-27 | 立场电子科技发展（上海）有限公司 | Method for preparing tobacco juice of electronic cigarettes by adopting Zimbabwean tobacco extract |
| CN109499369A (en) * | 2018-12-04 | 2019-03-22 | 云南中烟新材料科技有限公司 | A kind of tobacco extract concentration technology |
| CN109938389A (en) * | 2019-04-28 | 2019-06-28 | 河南卷烟工业烟草薄片有限公司 | A kind of purification method that can remove tobacco extract small particles suspended matter |
| CN109999663A (en) * | 2019-04-16 | 2019-07-12 | 同舟纵横（厦门）流体技术有限公司 | A kind of method and device of arabinose nanofiltration dislysate high power concentration |
| CN111035053A (en) * | 2019-11-27 | 2020-04-21 | 内蒙古昆明卷烟有限责任公司 | Method for extracting aroma components from cigarette end tar and application of aroma components in cigarettes |
| CN113941254A (en) * | 2021-11-05 | 2022-01-18 | 上海烟草集团有限责任公司 | Reconstituted tobacco extract liquid concentration process and concentration system |
| CN114689746A (en) * | 2022-03-25 | 2022-07-01 | 江苏中烟工业有限责任公司 | Method, device, electronic equipment and medium for screening tobacco extract characteristics |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104667747A (en) * | 2015-02-02 | 2015-06-03 | 杭州利群环保纸业有限公司 | Method for deeply removing impurities from tobacco leaching solution by silicon carbide film method |
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| CN111035053A (en) * | 2019-11-27 | 2020-04-21 | 内蒙古昆明卷烟有限责任公司 | Method for extracting aroma components from cigarette end tar and application of aroma components in cigarettes |
| CN113941254A (en) * | 2021-11-05 | 2022-01-18 | 上海烟草集团有限责任公司 | Reconstituted tobacco extract liquid concentration process and concentration system |
| CN114689746A (en) * | 2022-03-25 | 2022-07-01 | 江苏中烟工业有限责任公司 | Method, device, electronic equipment and medium for screening tobacco extract characteristics |
| CN114689746B (en) * | 2022-03-25 | 2023-11-10 | 江苏中烟工业有限责任公司 | Method, device, electronic equipment and medium for screening tobacco extract characteristics |
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