CN110693065B - Method for controlling ion removal degree of tobacco stem extracting solution subjected to electrodialysis treatment on line - Google Patents
Method for controlling ion removal degree of tobacco stem extracting solution subjected to electrodialysis treatment on line Download PDFInfo
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- CN110693065B CN110693065B CN201910895023.6A CN201910895023A CN110693065B CN 110693065 B CN110693065 B CN 110693065B CN 201910895023 A CN201910895023 A CN 201910895023A CN 110693065 B CN110693065 B CN 110693065B
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- electrodialysis
- removal rate
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- 238000000909 electrodialysis Methods 0.000 title claims abstract description 62
- 241000208125 Nicotiana Species 0.000 title claims abstract description 42
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000005070 sampling Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000005259 measurement Methods 0.000 claims 1
- 150000002500 ions Chemical class 0.000 description 12
- 239000002994 raw material Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 235000019505 tobacco product Nutrition 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000000391 smoking effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
- A24B3/00—Preparing tobacco in the factory
- A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0037—NOx
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Food Science & Technology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
The invention relates to aThe method for controlling the ion removal degree of the tobacco stem extracting solution subjected to electrodialysis treatment on line comprises the following steps: starting electrodialysis operation to treat tobacco stem extract, and completing electrodialysis water production sampling according to the electrodialysis operation time; determination of Cl in the above samples Using a flow Analyzer‑And NO3 ‑Content (c); according to the detection result, Cl of the other samples relative to the sample No. 0 was calculated‑Removal rate and NO3 ‑The removal rate; fitting of Cl‑And NO3 ‑A relational equation of the removal rate and the electrodialysis running time; according to the relation equation, Cl in the tobacco stem extracting solution can be controlled according to the electrodialysis running time‑And NO3 ‑And (4) removing rate. The method is rapid and simple, and realizes Cl in tobacco stalk extractive solution‑And NO3 ‑On-line control of.
Description
Technical Field
The invention relates to a method for controlling the ion removal degree of a tobacco stem extracting solution, in particular to a method for controlling the ion removal degree of the tobacco stem extracting solution subjected to electrodialysis treatment on line, and belongs to the field of tobacco.
Background
Paper-making method reconstituted tobaccoThe leaf is prepared by soaking and extracting tobacco powder, tobacco stem and other raw materials with water according to the raw material formula requirement of the reconstituted tobacco leaf to obtain an extracting solution and solid residues, concentrating and flavoring the extracting solution to obtain a coating solution, making the solid residues into a film base by adopting an improved paper-making process, and coating and drying the film base by using the coating solution to obtain the reconstituted tobacco leaf. Compared with the tobacco leaf extracting solution, the chemical indexes of the tobacco stem extracting solution have the characteristics of low sugar content, high ion content, few types of contained fragrance components, low content and certain defects in the smoking quality due to the structure and the chemical components, researchers develop multiple researches on how to improve the quality of the tobacco stem extracting solution, and improve the smoking quality of the extracting solution by optimizing the chemical components of the extracting solution. Wherein, the research of removing the ionic components in the tobacco stem extracting solution after electrodialysis treatment is carried out to regulate and control the Cl in the product-、NO3 -The plasma component content has important significance in optimizing the raw material structure of the reconstituted tobacco (increasing the proportion of tobacco stem raw materials) and reducing the raw material cost.
Desalting tobacco stalk extract by electrodialysis, wherein Cl in electrodialysis water is needed-And NO3 -Real-time monitoring is carried out to meet the control requirement on product indexes in actual production, but no Cl can be controlled at present-And NO3 -On-line detecting instrument for timely and fast test usually adopts deep treatment (longer time) of tobacco stem extract to remove Cl greatly-And NO3 -However, the following disadvantages exist when the method is adopted to control the two indexes: (1) excessive removal of Cl-And NO3 -Meanwhile, other ionic components in the tobacco stem extracting solution are also greatly removed, and meanwhile, partial loss of aroma components is brought; (2) the removal efficiency at the early stage of electrodialysis removal is higher, and the removal efficiency is gradually reduced along with the extension of the operation time, so that the energy consumption is wasted due to excessive removal; (3) cl-And NO3 -The laboratory detection result is lagged, and the significance of the online control on the indexes is not large; (4) the actual removal ratio of the ions cannot be accurately controlled, which is not favorable for the productAnd (5) quality control.
Disclosure of Invention
In order to solve the technical problems, the invention provides a method for controlling the ion removal degree of a tobacco stem extracting solution subjected to electrodialysis treatment on line, which is implemented by researching Cl-And NO3 -The removal rate and the treatment time are related, so that the purpose of adjusting and controlling the ion removal degree of the tobacco stalk extract solution treated by electrodialysis on line is achieved.
The technical scheme of the invention is as follows:
method for controlling ion removal degree of tobacco stem extracting solution in electrodialysis treatment on line, Cl-The removal rate and the electrodialysis running time are related as follows:
y=28.781In（x）-66.482；
x is the electrodialysis running time; y is Cl-And (4) removing rate.
Method for controlling ion removal degree of tobacco stem extracting solution in electrodialysis treatment on line, NO3 -The removal rate and the electrodialysis running time are related as follows:
y=30.697In（x）-62.747；
x is the electrodialysis running time; y is NO3 -And (4) removing rate.
A method for controlling the ion removal degree of a tobacco stem extracting solution subjected to electrodialysis treatment on line comprises the following steps:
step (1), electrodialysis treatment of tobacco stem extract and sampling
Starting electrodialysis operation to treat tobacco stem extract, and completing electrodialysis water production sampling according to the electrodialysis operation time;
step (2), Cl-And NO3 -Content detection
Determination of Cl in the above samples Using a flow Analyzer-And NO3 -Content (c);
step (3), calculating Cl-Removal rate and NO3 -Removal rate
According to the detection result, Cl of the other samples relative to the sample No. 0 was calculated-Removal rate and NO3 -The removal rate;
step (4), fitting a relational equation
Cl-The removal rate and the electrodialysis run time were related as follows:
y=28.781In（x）-66.482；
x is the electrodialysis running time; y is Cl-The removal rate;
NO3 -the removal rate and the electrodialysis run time were related as follows:
y=30.697In（x）-62.747；
x is the electrodialysis running time; y is NO3 -The removal rate;
step (5), according to the relation equation of the step (4), Cl in the tobacco stem extracting solution is controlled based on the electrodialysis running time-And NO3 -And (4) removing rate.
Compared with the prior art, the invention has the following advantages:
(1) the method is quick, simple and convenient, and solves the problem that Cl in the extracting solution cannot be controlled on line-And NO3 -Converts the detection of lag through the laboratory into online control by time.
(2) Passage time and Cl of the invention-、NO3 -The removal rate equation can more accurately regulate and control Cl in the extracting solution according to the electrodialysis running time-And NO3 -The purpose of (2) is to reduce the problem of production energy consumption increase caused by extensive control of the existing production line.
Drawings
FIG. 1 shows Cl-A graph of the relationship between the removal rate and the electrodialysis running time;
FIG. 2 is NO3 -The removal rate is plotted against the electrodialysis run time.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The examples do not specify particular techniques or conditions, and are performed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available by purchase.
Example 1
The method for controlling the ion removal degree of the tobacco stem extracting solution subjected to electrodialysis treatment on line comprises the following steps:
step (1), electrodialysis treatment of tobacco stem extract and sampling
Preparing a certain product tobacco stem extract according to the prior art, starting electrodialysis to remove Cl in the extract-And NO3 -And water production sampling is carried out according to electrodialysis treatment time (0 min, 20min, 60min, 120min and 180 min), and the samples are numbered as 0, ED20, ED60, ED120 and ED 180.
Step (2), Cl-And NO3 -Content detection
Determination of Cl in the above samples Using a flow Analyzer-And NO3 -The contents were measured, and the removal rates of the two were calculated, respectively, and the results are shown in Table 1.
TABLE 1 results of sample examination for different electrodialysis treatment times
Step (3), calculating Cl-Removal rate and NO3 -Removal rate
According to the detection result, the Cl of the sample relative to the sample No. 0 and other samples is calculated-Removal rate and NO3 -The removal rate; fitting Cl-The equation relating the removal rate to the electrodialysis running time is shown in FIG. 1. Fitting NO3 -The equation relating the removal rate to the electrodialysis running time is shown in FIG. 2.
Step (4), fitting a relational equation
Cl-Removal rateThe relationship to the electrodialysis run time is as follows:
y=28.781In（x）-66.482；
x is the electrodialysis running time; y is Cl-And (4) removing rate.
NO3 -The removal rate and the electrodialysis run time were related as follows:
y=30.697In（x）-62.747；
x is the electrodialysis running time; y is NO3 -And (4) removing rate.
Step (5), according to the relation equation of the step (4), Cl in the tobacco stem extracting solution is controlled based on the electrodialysis running time-And NO3 -And (4) removing rate.
From the above equation, Cl can be obtained-And NO3 -Different removal rates and electrodialysis treatment facilities
The results of the time required are shown in Table 2.
TABLE 2 correspondence table of electrodialysis running time and ion removal rate
When a reconstituted tobacco enterprise produces a reconstituted tobacco product (product 1) of a certain specification, the required Cl-The removal rate needs more than 50 percent, NO3 -When the removal rate is required to be more than 30%, the electrodialysis running time in the production process is 60 min.
When a reconstituted tobacco enterprise produces a reconstituted tobacco product (product 2) of a certain specification, the required Cl-The removal rate needs more than 30 percent, NO3 -When the removal rate is required to be more than 25%, the electrodialysis running time in the production process is 40 min.
When a reconstituted tobacco enterprise produces a reconstituted tobacco product (product 3) of a certain specification, the required Cl-And NO3 -The removal rate needs to be more than 70 percent, and the electrodialysis running time in the production process needs to be 120 min.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (1)
1. A method for controlling the ion removal degree of a tobacco stem extracting solution subjected to electrodialysis treatment on line is characterized by comprising the following steps: the method comprises the following steps:
step (1), electrodialysis treatment of tobacco stem extract and sampling
Starting electrodialysis operation to treat tobacco stem extract, and completing electrodialysis water production sampling according to the electrodialysis operation time;
step (2), Cl-and NO3Content detection
Measurement of Cl-and NO in the above samples Using a flow Analyzer3-a content;
step (3) calculating Cl-removal rate and NO3Removal rate
According to the detection result, calculating the Cl-removal rate and NO of other samples relative to the tobacco stem extracting solution which is not subjected to electrodialysis treatment3-a removal rate;
step (4), fitting a relational equation
The relationship between the Cl-removal rate and the electrodialysis running time was as follows:
y=28.781In（x）-66.482；
x is the electrodialysis running time; y is Cl < - > removal rate;
NO3the relationship between the removal rate and the electrodialysis run time is as follows:
y=30.697In（x）-62.747；
x is the electrodialysis running time; y is NO3-a removal rate;
step (5), according to the relation equation of the step (4), controlling Cl & lt- & gt and NO in the tobacco stem extracting solution based on the electrodialysis running time3-removal rate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910895023.6A CN110693065B (en) | 2019-09-20 | 2019-09-20 | Method for controlling ion removal degree of tobacco stem extracting solution subjected to electrodialysis treatment on line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910895023.6A CN110693065B (en) | 2019-09-20 | 2019-09-20 | Method for controlling ion removal degree of tobacco stem extracting solution subjected to electrodialysis treatment on line |
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| CN110693065B true CN110693065B (en) | 2022-07-01 |
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| CN114075004A (en) * | 2020-08-11 | 2022-02-22 | 江苏南大环保科技有限公司 | Method for recovering high-grade alkali from silicon system waste alkali liquor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4589428A (en) * | 1980-02-21 | 1986-05-20 | Philip Morris Incorporated | Tobacco treatment |
| US4253929A (en) * | 1980-03-05 | 1981-03-03 | Philip Morris Incorporated | Method for denitration of tobacco employing electrodialysis |
| CN103082394A (en) * | 2013-01-25 | 2013-05-08 | 安徽中烟工业有限责任公司 | Regulation and control method for paper-making method reproducing tobacco leaf extract liquor negative ion components |
| CN103330277A (en) * | 2013-07-02 | 2013-10-02 | 云南烟草科学研究院 | Method of controlling contents of nitrate and nitrite in tobacco reconstituted in papermaking method |
| CN103330278A (en) * | 2013-07-02 | 2013-10-02 | 云南烟草科学研究院 | Method for controlling chlorine content of paper-making process reconstituted tobacco |
| 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 |
| CN105124744A (en) * | 2015-08-28 | 2015-12-09 | 安徽中烟工业有限责任公司 | Method for selectively controlling chloride ions in paper-making reconstituted tobacco extraction liquid |
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