CN105148734A - Selective regulation method of ammonium ion in papermaking method reproduced tobacco leaf extract liquor - Google Patents
Selective regulation method of ammonium ion in papermaking method reproduced tobacco leaf extract liquor Download PDFInfo
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- CN105148734A CN105148734A CN201510555573.5A CN201510555573A CN105148734A CN 105148734 A CN105148734 A CN 105148734A CN 201510555573 A CN201510555573 A CN 201510555573A CN 105148734 A CN105148734 A CN 105148734A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
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Abstract
The invention discloses a selective regulation method of ammonium ions in papermaking method reproduced tobacco leaf extract liquor. The selective regulation method of ammonium ions in papermaking method reproduced tobacco leaf extract liquor is characterized in that the method comprises the steps of guiding tobacco leaf extract liquor prepared through a papermaking method reproduced tobacco leaf production process into the diluting chamber of an electroosmosis device, performing electroosmosis treatment to remove ammonium ions, and controlling the ammonium removal extent through the change of electric conductivity in the diluting chamber or the actual content of the ammonium ions in the process of removing the ammonium ions; simultaneously detecting the content of nicotine and the total amount of organic acid in the diluting chamber to inspect the removal selectivity of the ammonium ions. The selective regulation method of ammonium ions in papermaking method reproduced tobacco leaf extract liquor not only can effectively remove the ammonium ions, but also can avoid the loss of nicotine and tobacco main organic acid and guarantee the smoking quality of reproduced tobacco leaves to the utmost extent.
Description
Technical field
The present invention relates to the selective regulation method of ammonium ion in a kind of papermaking-method reconstituted tobaccos extract, belong to papermaking-method reconstituted tobaccos production technical field.
Background technology
Papermaking-method reconstituted tobaccos is the restructuring tobacco that application papermaking basic technology is produced, and it has that burn rate is fast, releasing content of coke tar is low, Filling power is high and the feature such as degrading resistance property is good.The Modulatory character of reconstituted tobacco chemical constituent and physical parameter is its most outstanding advantage.The current regulation and control for reconstituted tobacco component are added effect group grading mode mainly through the selection of raw material, biochemical treatment, pressure drive membrane process and external source and are carried out, but the defects such as ability of regulation and control is limited, production operability is weak or processing cost is high that these technology also exist, the application in papermaking-method reconstituted tobaccos is produced is subject to certain restrictions.
Ammonium radical ion in offal and tobacco leaf extract is the important as precursors thing of ammonia in flue gas, not only there is significant contribution to the burst size of reconstituted tobacco ammonia in flue gas in its content, also organoleptic quality is had a negative impact simultaneously and (form the tobacco precursor research of flue gas ammonia, tobacco science and technology, 2014,10:49-51).Therefore, the removal of ammonium radical ion, particularly selective removal are one of key technologies improving papermaking-method reconstituted tobaccos quality.
Chinese patent CN102524934A, CN101606748A all propose use pressure drive membrane, as microfiltration membranes, milipore filter and NF membrane, remove large biological molecule and Small molecular inorganic salts, to promote the quality of papermaking-method reconstituted tobaccos, but pressure drive membrane remains low in electrolyte removal efficiency, selective weak and industrialization high in cost of production defect for the removal of ionic compound.Electrodialytic technique is a kind of desalination means efficiently, and it is higher to the removal efficiency of the ionic compound in tabacco water extract, as CN103815536A utilizes electrodialysis methods, uses IONSEP
tMamberplex removes the ammonium radical ion in tobacco material.Containing nonionic active principle (as: fructose, glucose, pectin etc.) and ionic active principle (as nicotine) in tobacco material extract, wherein nicotine is the of paramount importance functional component of tobacco.Although common electrodialytic technique can realize the selective removal of ammonium root plasma compound relative to nonionic compound, but usually also cause a large amount of losses of tobacco ionic active principle (nicotine and organic acid), this will cause smoking property of cigarette quality to decline.Xiang Haiying etc. find to use IONSEP
tMwhile amberplex removes univalent anion, synchronous reduction nicotine more than 50% (in stem extracting solution, the electroosmose process of chlorion removes, tobacco science and technology, 2015,1:72-75).Therefore, in raising tobacco material extract or reconstituted tobacco extract while ammonium radical ion removal efficiency, the active ingredient (nicotine and organic acid) how effectively retaining tobacco is electrodialysis process tobacco extraction liquid key issue urgently to be resolved hurrily, is also the key problem in technology of electrodialytic technique application in papermaking-method reconstituted tobaccos is produced.
Summary of the invention
The present invention be directed to a large amount of losing issue of nicotine existing for above-mentioned existing electrodialytic technique and the ammonium ion selective regulate and control method that a kind of production technology is simple, controllability is strong developed, can be widely used in papermaking-method reconstituted tobaccos extract, make the selective reduction of ammonium ion content, and effectively avoid nicotine and organic acid to run off, while reduction ammonium ion, significantly improve papermaking-method reconstituted tobaccos sucking quality.
The present invention efficiently removes ammonium ion in tobacco extraction liquid by common cation exchange membrane or the selective use through film of monovalent cation, and effectively avoid nicotine and organic acid to run off by univalent anion is selective through film, achieve the selective removal of ammonium ion.
Technical solution problem of the present invention, adopts following technical scheme:
The selective regulation method of ammonium ion in papermaking-method reconstituted tobaccos extract of the present invention, is characterized in that:
A, the diluting compartment of electrodialysis plant will be introduced according to the tobacco extraction liquid prepared by papermaking-method reconstituted tobaccos production technology, and in enriched chamber, add water or electrolyte; The solid content of described tobacco extraction liquid is 7-10%.
The cation-exchange membrane of described electrodialysis plant is that common cation exchange membrane or monovalent cation are selective through film, and anion-exchange membrane is that univalent anion is selective through film.
The step preparing tobacco extraction liquid according to papermaking-method reconstituted tobaccos production technology is: add in agitator tank by papermaking-method reconstituted tobaccos raw material (offal tobacco leaf and/or offal), add the water of 4-10 times of weight, stir extraction 1 hour, Double screw pulp extruder is used to carry out Separation of Solid and Liquid, the tabacco water solution obtained to shake sieve coarse filtration through 80-120 object, centrifugation under 2500-3500rmb speed conditions again, clear liquid is the tobacco extraction liquid needed for electrodialysis process.
B, under constant current density condition, electrodialysis process is carried out to tobacco extraction liquid and remove ammonium ion, namely carry out de-ammonium process; The flow of electrodialysis process is 4-8L/min; Constant current density is 10-20mA/cm
2.
C, in de-ammonium processing procedure, control de-ammonium degree by the change of diluting compartment internal conductance rate or the actual content of ammonium ion; To detect in diluting compartment nicotine content and organic acid total amount (comprising citric acid, oxalic acid and malic acid) to investigate the selective of de-ammonium process simultaneously;
D, by the tobacco extraction liquid after de-ammonium according to papermaking-method reconstituted tobaccos production technology proceed process, for the processing of reconstituted tobacco.
Under usual condition, tobacco extract is in acid, and its pH scope is about 4.5-6.5, and nicotine wherein mainly exists with the form of monovalent salt.In theory, nicotine is by monovalence selective ion exchange membrane, but experiment finds: in electrodialytic process, nicotine is selective through film not by univalent anion, this may be mainly that univalent anion is selective has physical preferences through film to it because the ionic hydration radius of nicotine anion is large.Thus, the present invention can pass through common cation exchange membrane or the selective use through film of monovalent cation, ammonium ion in efficient removal tobacco extraction liquid, and effectively avoid nicotine and organic acid to run off by univalent anion is selective through film, achieve the selective removal of ammonium ion.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the present invention effectively can not only remove ammonium ion, nicotine and the main organic acid of tobacco can be avoided simultaneously to run off, promote the quality of papermaking-method reconstituted tobaccos extract, farthest ensure that the sucking quality of reconstituted tobacco.
2, strong, the steady quality of simple, the controllability of production technology of the present invention, can be widely used in ammonium ion in papermaking-method reconstituted tobaccos extract and selective removal.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in further detail
Embodiment 1:
Being that tobacco extraction liquid prepared by raw material with tobacco leaf, is that the tobacco extraction liquid of 7% loads and is provided with 10 pairs of amberplexes (wherein cavity block is Selemion by 500mL solid content
tMunivalent anion is selective through film, and anode membrane is Selemion
tMmonovalent cation is selective through film, and effective area is 1 square metre) electrodialysis plant diluting compartment in, and in enriched chamber, add the running water of 500mL; At 15mA/cm
2constant current density condition under, carry out electrodialysis process 40min under the flow of 5L/min.
After tested, after process, in diluting compartment, the electrical conductivity of tobacco extraction liquid is reduced to 8.2mS/cm by initial 16.50mS/cm.
Being provided with 10 pairs of conventional ion exchange membranes, (anion-exchange membrane is common homogeneous-phase anion exchange film CJA-2, cation-exchange membrane is common homogeneous phase cation exchange film CJC-2, Hefei Ke Jia macromolecular material Science and Technology Ltd. manufactures) electrodialysis plant in carry out the electrodialysis process contrast test of identical tobacco extraction liquid, test parameters is except amberplex difference used, and other parameter is all identical.
After two kinds of membrane stack process, in diluting compartment, the chemical analysis results of tobacco extraction liquid is in table 1, result shows: compared with common homogeneous ion-exchange membrane, monovalent ion is selective to be realized under the prerequisite that ammonium ion content significantly reduces through film, significantly can improve selective relative to nicotine of ammonium ion content, avoid a large amount of losses of nicotine, organic acid (mainly comprising citric acid, oxalic acid and malic acid) have also been obtained good reservation simultaneously.
The evaluation result of the papermaking-method reconstituted tobaccos prepared by the tobacco extraction liquid after the process of use two kinds of electrodialysis membrane stacks shows: compared with using the non-selective removal contrast of conventional ion exchange membrane, through monovalent ion selective through the papermaking-method reconstituted tobaccos after film selective removal suck strength and burn rate all significantly promotes, and organoleptic quality entirety improves.
Table 1
Embodiment 2:
Being that tobacco extraction liquid prepared by raw material with offal, is that the tobacco extraction liquid of 8% loads and is provided with 10 pairs of amberplexes (wherein cavity block is Selemion by 500mL solid content
tMunivalent anion is selective through film; Cation-exchange membrane is CJC-2 homogeneous phase cation exchange film, Hefei Ke Jia macromolecular material Science and Technology Ltd. manufacture) electric dialyzator diluting compartment in; The sodium sulphate of the 1.0mol/L of 500mL is added as initial electrolyte in enriched chamber; At 20mA/cm
2constant current density condition under carry out electrodialysis process 35min.After tested, after process, in diluting compartment, the electrical conductivity of tobacco extraction liquid is reduced to 5.2mS/cm by initial 17.30mS/cm.
Being provided with 10 pairs of conventional ion exchange membranes, (anion-exchange membrane is homogeneous-phase anion exchange film CJA-2, cation-exchange membrane is homogeneous phase cation exchange film CJC-2, Hefei Ke Jia macromolecular material Science and Technology Ltd. manufactures) electric dialyzator in carry out the electrodialysis process contrast test of identical tobacco extraction liquid, outside test parameters deionization exchange membrane, other parameter is all identical.
After two kinds of membrane stack process, in diluting compartment, the chemical analysis results of tobacco extraction liquid is in table 2, result shows: compared with common homogeneous-phase anion exchange film, univalent anion is selective to be realized under the prerequisite that ammonium ion content significantly reduces through film, significantly can improve selective relative to nicotine of ammonium ion content, avoid a large amount of losses of nicotine, organic acid have also been obtained good reservation simultaneously.
The evaluation result of the papermaking-method reconstituted tobaccos prepared by the tobacco extraction liquid after the process of use two kinds of electrodialysis membrane stacks shows: compared with using the non-selective removal contrast of ammonium ion of common homogeneous-phase anion exchange film, significantly promote through the selective strength of sucking through the papermaking-method reconstituted tobaccos after film selective removal of univalent anion, and the organoleptic indicator such as pleasant impression and excitant is improved.
Table 2
Claims (4)
1. the selective regulation method of ammonium ion in papermaking-method reconstituted tobaccos extract, is characterized in that:
A, the diluting compartment of electrodialysis plant will be introduced according to the tobacco extraction liquid prepared by papermaking-method reconstituted tobaccos production technology, and in enriched chamber, add water or electrolyte; The anion-exchange membrane of described electrodialysis plant is that univalent anion is selective through film;
B, under constant current density condition, electrodialysis process is carried out to tobacco extraction liquid and remove ammonium ion, namely carry out de-ammonium process;
C, in de-ammonium processing procedure, control de-ammonium degree by the change of diluting compartment internal conductance rate or the actual content of ammonium ion; To detect in diluting compartment nicotine content and organic acid total amount to investigate the selective of de-ammonium process simultaneously;
D, by the tobacco extraction liquid after de-ammonium according to papermaking-method reconstituted tobaccos production technology proceed process, for the processing of reconstituted tobacco.
2. the selective regulation method of ammonium ion in papermaking-method reconstituted tobaccos extract according to claim 1, is characterized in that: the solid content of described tobacco extraction liquid is 7-10%.
3. the selective regulation method of ammonium ion in papermaking-method reconstituted tobaccos extract according to claim 1, is characterized in that: the cation-exchange membrane of described electrodialysis plant is that common cation exchange membrane or monovalent cation are selective through film.
4. the selective regulation method of ammonium ion in papermaking-method reconstituted tobaccos extract according to claim 1, is characterized in that: the flow of electrodialysis process described in step b is 4-8L/min; Constant current density is 10-20mA/cm
2.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3650279A (en) * | 1970-02-13 | 1972-03-21 | Otto Wachs | Tobacco-smoke filter and method of making same |
| US4301817A (en) * | 1980-03-05 | 1981-11-24 | Philip Morris Incorporated | Method for selective denitration of tobacco |
| WO2005115225A2 (en) * | 2004-05-27 | 2005-12-08 | Ben Zion Beiski | Intraoral apparatus and method for blood and saliva monitoring & sensing |
| CN103815536A (en) * | 2013-11-18 | 2014-05-28 | 云南烟草科学研究院 | Method for reducing ammonium content in paper-making reconstituted tobacco |
-
2015
- 2015-08-28 CN CN201510555573.5A patent/CN105148734A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3650279A (en) * | 1970-02-13 | 1972-03-21 | Otto Wachs | Tobacco-smoke filter and method of making same |
| US4301817A (en) * | 1980-03-05 | 1981-11-24 | Philip Morris Incorporated | Method for selective denitration of tobacco |
| WO2005115225A2 (en) * | 2004-05-27 | 2005-12-08 | Ben Zion Beiski | Intraoral apparatus and method for blood and saliva monitoring & sensing |
| CN103815536A (en) * | 2013-11-18 | 2014-05-28 | 云南烟草科学研究院 | Method for reducing ammonium content in paper-making reconstituted tobacco |
Non-Patent Citations (1)
| Title |
|---|
| 向海英等: "烟梗提取液中氯离子的电渗析法脱除", 《烟草科技》 * |
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