CN109938389A - A kind of purification method that can remove tobacco extract small particles suspended matter - Google Patents
A kind of purification method that can remove tobacco extract small particles suspended matter Download PDFInfo
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- CN109938389A CN109938389A CN201910350365.XA CN201910350365A CN109938389A CN 109938389 A CN109938389 A CN 109938389A CN 201910350365 A CN201910350365 A CN 201910350365A CN 109938389 A CN109938389 A CN 109938389A
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- extracting solution
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Abstract
The present invention purifies existing problem for tobacco extract, provides a kind of purification method that can remove tobacco extract small particles suspended matter, steps are as follows: a, tobacco material is placed in hot water and is countercurrently extracted and extract repeatedly, it is 0.5-1 hours each；B, the mixture of step a tobacco material and hot water feeding press master shove is separated by solid-liquid separation, first extract body is separated by filtration by spin vibration sieve；C, the extracting solution heat temperature raising that step b is obtained after being separated by filtration, is then added flocculant, and is ultrasonically treated 0.5-4 hours；D, step c treated extracting solution obtains after centrifugal treating supernatant, gained supernatant are filtered using the film of aperture 15-100nm, that is, complete purification.The present invention by heating and ultrasonic treatment reinforcing means, the small granular suspended matters that not can be removed the prior art increase, flocculation for can sedimentation filtration bulky grain, to realize preferable clean-up effect.
Description
Technical field
The invention belongs to tobacco extract purification techniques fields, and in particular to one kind can remove in tobacco extract small
The purification method of grain suspended matter.
Background technique
Papermaking-method reconstituted tobaccos are commonly called as reconstituted tobacoo, are using tobacco wastes such as offal, cigarette powder and fragments as master
Then the hydrotrope in tobacco is separated by solid-liquid separation tobacco material plus water retting with insoluble matter by body raw material, borrow papermaking and set
After after being dispersed in water through paper machine fiber chip base is made in standby and technology, the insoluble matters such as baccy fiber, while the hydrotrope is concentrated
It is coated with back and adds in chip base, be papermaking-method reconstituted tobaccos after dry.
Contain in extracting solution largely with macromolecular substances such as pectin, starch existing for colloid form, protein, while also depositing
In the complicated salt that the zwitterions such as a large amount of calcium ions and magnesium ions (0.5%-1.2%), malate (0.6-1.4%) are constituted, shape
At the supersaturated solution of calcium and magnesium salt.These salts being gradually precipitated in extracting solution and macromolecular substances only have part (partial size
Reach micron or more) side can be centrifuged, filters removal, still have most of fine particle that can not be centrifuged, filter removal and
Colloid resides in extracting solution, and in concentration, wadding gathers for more large-sized suspended particle in coating process, this process can behave as
Concentration front and back suspension content is up to 10 times or more amplification, and phegma has 1-2 times compared to new liquid suspension content in coating process
The above amplification.It is serious that colloid present in extracting solution and its suspended matter of formation will cause fouling of evaporator in concentration process,
Thickening efficiency is greatly reduced, influences continuous production, so that reconstituted tobacco is generated irritation and miscellaneous gas, influence product sensory matter
Amount；Suspended matter increased significantly in coating fluid during coating simultaneously, increase the viscosity of coating fluid constantly, product spreading rate
It easily fluctuates, causes product physical and chemical index stability poor, viscosity will cause product " Bai Xin ", " flower when out of control excessively high
Piece ", " black piece ", " bonding die " phenomenon.
Chinese patent CN201210169607.3 proposes a kind of depth of extract liquor in tobacco sheets by paper making method production technology
Purification and impurity removal technique, depth macromolecular flocculation treatment, the flocculant of use are food grade flocculant, depth macromolecular flocculation treatment
Liquid afterwards is separated into a horizontal spiral discharge sedimentation centrifuge.Wadding is generated because flocculant generally passes through charge neutrality/absorption
Solidifying, this technique is only capable of the macromolecular particle of the more negative electrical charge of flocculation part band and is removed by centrifuge, is largely less than micron order
The electric salt particle of not charged or weak band and can not flocculate with macromolecular substances existing for colloid form and effectively, it is difficult to by from
Scheming separation removal；And it satiates in concentration process in extracting solution there are still the supersaturated calcium and magnesium salt for not crystallizing precipitation largely
It is further increased and mass crystallization precipitation again with degree, concentrate dregginess is sharply increased, and causes product " Bai Xin " and bonding.
Summary of the invention
The present invention purifies existing problem for tobacco extract, and tobacco extract small particles can be removed by providing one kind
The purification method of suspended matter (less than 1 micron) promotes calcium and magnesium saturated salt in extracting solution by heating and being ultrasonically treated reinforcing means
Class crystallization is precipitated, the small granular suspended matters that not can be removed the prior art increase, wadding gather for can sedimentation filtration bulky grain, thus
Realize preferable clean-up effect.
The present invention adopts the following technical scheme:
A kind of purification method that can remove tobacco extract small particles suspended matter, steps are as follows:
A, tobacco material is placed in hot water and is countercurrently extracted and extract repeatedly, it is 0.5-1 hours each；
B, the mixture of step a tobacco material and hot water feeding press master shove is separated by solid-liquid separation, first extract body is through overwinding
Vibration sieve is separated by filtration；
C, the extracting solution heat temperature raising that step b is obtained after being separated by filtration, is then added flocculant, and is ultrasonically treated 0.5-4 hours；
D, step c treated extracting solution obtains after centrifugal treating supernatant, gained supernatant is using aperture 15-100nm's
Film filtering, that is, complete purification.
Preferably, in step a, the temperature of the hot water is 40-60 DEG C.
Preferably, in step c, the extracting solution is heated to 60-90 DEG C, and the frequency of ultrasonic treatment is 20-500KHz.
Preferably, in step c, the dosage of the flocculant is the 0.1%-0.5% of extracting solution weight.
Preferably, in step c, the flocculant is cation-modified chitosan.
Beneficial effects of the present invention are as follows:
Under normal circumstances, flocculant can promote the wadding of the suspended matter in solution and be polymerized to as bulky grain, and centrifuge separation can remove suspension
Object.And particle present in tobacco extract is mostly fine particle, and in the case where only using flocculant, it is tiny not can be removed these
Particle, the present invention are aided with the means of heating and ultrasonic treatment while adding flocculant, promote calcium and magnesium saturated salt in extracting solution
Class crystallization precipitation, and increase the movement velocity of fine particle in extracting solution, collision probability is improved, fine particle is improved and combines, wads a quilt with cotton
Coagulate for can sedimentation filtration bulky grain speed and conversion ratio, the fine particle that in advance not can be removed prior art equipment increases,
Wadding gather for can the bulky grain of sedimentation filtration significantly reduce concentration premise so as to effectively remove impurity in centrifugation, filter progress
Liquid dregginess is taken, the dregginess rate of rise in concentration and coating process is reduced.Through detecting, the present invention heating and ultrasonic treatment after from
Extracting solution dregginess before the heart is improved by the 1.0% or less of prior art to 2.0% or more, is centrifuged, extracting solution dregginess after filtering
It can be reduced to by 2.0% or more 0.002% hereinafter, 99% or more removal rate；Thickening efficiency improves 10% or more；Being coated with fluid viscosity reduces
40% or more, the fluctuation of product spreading rate is reduced to 2.4% by 4%, efficiently solves bonding die phenomenon.Meanwhile the present invention is implementing to purify
While, additionally it is possible to accelerate the precipitation of calcium and magnesium saline crystallization, calcium and magnesium salt is avoided to cause production efficiency to decline in enrichment process fouling.
Detailed description of the invention
The Painting effect comparison diagram for the coating fluid that Fig. 1 is prior art (left side) and (right side) of the invention obtains.
Specific embodiment
In order to keep technical purpose of the invention, technical scheme and beneficial effects clearer, with reference to the accompanying drawing and specifically
Embodiment is further illustrated technical solution of the present invention.
A kind of purification method that can remove tobacco extract small particles suspended matter, steps are as follows:
1, by tobacco material include offal, cigarette label, 6 times of weight of offal 50-60 DEG C of hot water adverse current extract and extract 3 times, often
Secondary 1 hour；
2, extraction mixture enters press master shove separation of solid and liquid, and first extract body is filtered separation by 60 mesh spin vibration sieves；
3, extracting solution is obtained after spin vibration sieve filtering, extracting solution is heated to 80 DEG C, is added in extracting solution and accounts for extracting solution weight
After 0.3% cation-modified chitosan, the ultrasonic treatment of 40kHZ frequency 3 hours, extracting solution dregginess is improved extremely by 0.65%
2.1%；
4, step 3 treated extracting solution through centrifugal treating to dregginess 0.2% hereinafter, then being filtered using the aperture 50nm film
Afterwards, dregginess is reduced to 0.001%, finally enters concentration systems and obtains coating fluid.
5, concentrate dregginess is reduced to 1.2% by original 3%-4%, and viscosity is down to 16cp by 50-60cp, and Fig. 1 is point
It Cai Yong the obtained Painting effect comparison diagram of coating fluid of prior art and the present invention, it can be seen that the coating that prior art obtains
Fluid viscosity is high, and reconstituted tobacoo is be easy to cause to agglomerate, and the reconstituted tobacoo pine that the coating fluid obtained through present invention purification is coated with
It dissipates without agglomeration.
The extracting section liquid for taking step 2 to obtain sample as a comparison, the extracting section liquid that step 3 obtains as test sample, into
The test of row suspension content, statistics are as shown in table 1 below:
The suspension content statistical form of 1 comparative sample of table and test sample
According to table 1, after heating and ultrasonic treatment of the invention, solid suspension content increases to 2.58% by 0.84%,
It can be seen that processing mode of the invention can promote calcium and magnesium saturation saline crystallization in extracting solution to be precipitated, and make tiny outstanding in extracting solution
Floating object increases, wadding gathers for bulky grain suspended matter, the thus centrifugation of raising suspended matter, filtering removal amount, so as in extracting solution
Cleansing phase largely removes oil removal, avoids its influence to downstream process (concentration, coating).
It should be noted last that: technical solution of the present invention that the above embodiments are only illustrative and not limiting is any right
The equivalent replacement and do not depart from the modification of spirit and scope of the invention or locally replace that the present invention carries out, should all cover in this hair
Within bright protective scope of the claims.
Claims (5)
1. the purification method that one kind can remove tobacco extract small particles suspended matter, which is characterized in that steps are as follows:
A, tobacco material is placed in hot water and is countercurrently extracted and extract repeatedly, it is 0.5-1 hours each；
B, the mixture of step a tobacco material and hot water feeding press master shove is separated by solid-liquid separation, first extract body is through overwinding
Vibration sieve is separated by filtration；
C, the extracting solution heat temperature raising that step b is obtained after being separated by filtration, is then added flocculant, and is ultrasonically treated 0.5-4 hours；
D, step c treated extracting solution obtains after centrifugal treating supernatant, gained supernatant is using aperture 15-100nm's
Film filtering, that is, complete purification.
2. the purification method according to claim 1 that can remove tobacco extract small particles suspended matter, feature exist
In in step a, the temperature of the hot water is 40-60 DEG C.
3. the purification method according to claim 1 that can remove tobacco extract small particles suspended matter, feature exist
In in step c, the extracting solution is heated to 60-90 DEG C, and the frequency of ultrasonic treatment is 20-500KHz.
4. the purification method according to claim 1 that can remove tobacco extract small particles suspended matter, feature exist
In in step c, the dosage of the flocculant is the 0.1%-0.5% of extracting solution weight.
5. the purification method according to claim 1 that can remove tobacco extract small particles suspended matter, feature exist
In in step c, the flocculant is cation-modified chitosan.
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| CN201910350365.XA CN109938389B (en) | 2019-04-28 | 2019-04-28 | Purification method capable of removing small particle suspended matters in tobacco extract |
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| CN201910350365.XA CN109938389B (en) | 2019-04-28 | 2019-04-28 | Purification method capable of removing small particle suspended matters in tobacco extract |
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| CN104489893A (en) * | 2014-12-29 | 2015-04-08 | 安徽中烟再造烟叶科技有限责任公司 | System and technology for purifying coating liquid for reconstituted tobacco made by paper-making process |
| CN109126705A (en) * | 2018-09-20 | 2019-01-04 | 青岛大学 | A kind of method that high-concentration waste water pollutant is extracted and utilized |
| 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 |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101606748A (en) * | 2008-06-19 | 2009-12-23 | 湖北中烟工业有限责任公司 | Handle the slice production method of tobacco waste extract with membrane separation technique |
| KR20120006149A (en) * | 2010-07-12 | 2012-01-18 | 고진석 | Edible Concentrates Containing Nicotine |
| CN102217787A (en) * | 2011-06-03 | 2011-10-19 | 河南卷烟工业烟草薄片有限公司 | Purification process of coating fluid during production of reconstituted tobacco through paper-making process |
| CN102276093A (en) * | 2011-07-19 | 2011-12-14 | 湖北中烟工业有限责任公司 | Treatment method of papermaking method tobacco sheet production wastewater |
| CN102657320A (en) * | 2012-04-16 | 2012-09-12 | 浙江工业大学 | Cryo-concentration method of juice obtained by processing organisms |
| CN102688613A (en) * | 2012-05-24 | 2012-09-26 | 杭州利群环保纸业有限公司 | Extract deep purification and edulcoration process in manufacturing technology of papermaking tobacco sheets |
| CN104305518A (en) * | 2014-09-22 | 2015-01-28 | 江苏凯米膜科技股份有限公司 | Membrane extraction process for tobacco leaching liquor |
| CN104489893A (en) * | 2014-12-29 | 2015-04-08 | 安徽中烟再造烟叶科技有限责任公司 | System and technology for purifying coating liquid for reconstituted tobacco made by paper-making process |
| CN109126705A (en) * | 2018-09-20 | 2019-01-04 | 青岛大学 | A kind of method that high-concentration waste water pollutant is extracted and utilized |
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