CN115747383A - Method for producing edible syrup by rotating membrane - Google Patents
Method for producing edible syrup by rotating membrane Download PDFInfo
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- CN115747383A CN115747383A CN202211393527.6A CN202211393527A CN115747383A CN 115747383 A CN115747383 A CN 115747383A CN 202211393527 A CN202211393527 A CN 202211393527A CN 115747383 A CN115747383 A CN 115747383A
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- 235000020357 syrup Nutrition 0.000 title claims abstract description 157
- 239000006188 syrup Substances 0.000 title claims abstract description 157
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000012528 membrane Substances 0.000 title claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 27
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 238000005342 ion exchange Methods 0.000 claims abstract description 14
- 238000005352 clarification Methods 0.000 claims abstract description 9
- 238000005086 pumping Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 11
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 7
- 244000060011 Cocos nucifera Species 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical class OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000003957 anion exchange resin Substances 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 5
- 238000010612 desalination reaction Methods 0.000 claims description 3
- 238000011033 desalting Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 6
- 239000000654 additive Substances 0.000 abstract description 5
- 230000000996 additive effect Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000009295 crossflow filtration Methods 0.000 abstract 1
- 238000010008 shearing Methods 0.000 abstract 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 238000007792 addition Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 229930006000 Sucrose Natural products 0.000 description 4
- 238000004042 decolorization Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 229960004793 sucrose Drugs 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 3
- 239000005720 sucrose Substances 0.000 description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 235000012907 honey Nutrition 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 235000021443 coca cola Nutrition 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000013379 molasses Nutrition 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 235000020374 simple syrup Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
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Abstract
The invention discloses a method for producing edible syrup by a rotating membrane, which comprises the steps of dissolving raw sugar into re-dissolved syrup by hot water, carrying out coarse filtration, then carrying out rotary membrane treatment, adsorbing and decoloring by active carbon, filtering by a plate-and-frame filter press, finally decoloring and desalting by an ion exchange column, and then concentrating to obtain a low-color value syrup product. The invention produces the low-color value edible syrup based on the rotary membrane clarified redissolved syrup, and the rotary membrane utilizes the shearing force of a centrifuge and cross-flow filtration for clarification, thereby having high efficiency; no chemical additive is needed, so that the pollution is small; the energy consumption is low, and the production cost can be effectively reduced; the syrup has low color value and can be directly eaten.
Description
Technical Field
The invention belongs to the technical field of sugar production of sugarcane, and particularly relates to a method for producing edible syrup by a rotating film.
Background
With the vigorous development of the catering industry, the merchant demands for low-color value and colorless edible syrup increasingly. The color value of the low-color edible syrup is 45-60 IU, the low-color edible syrup has high sweetness, does not influence the color of the beverage, can replace cane sugar as an important source of a sweetening agent, and is popular with merchants. In addition, for the merchant, the sucrose needs to be dissolved firstly in the using process, and the syrup can be directly used, so that the preparation process of the commodity is simplified; for sugar enterprises, sucrose production requires crystallization, while syrup does not, which reduces production costs. At present, syrup is added to various large brands such as coca-cola, nestle coffee and the like, the quality of products processed by using the syrup is higher, and when the syrup is blended into coffee, mellow mouthfeel can be increased, and fragrance can be excited; when the milk tea is blended, the taste of the beverage is smoother, and the integral flavor is improved.
The raw sugar is a product in the refined sugar production process, and based on a two-step method process, the raw sugar is produced by a crude sugar processing sugar refinery, and the refined sugar is produced by a refining sugar refinery after the raw sugar syrup is redissolved. Because the raw sugar is a crude industrial raw material, has a lot of impurities and high color value, the raw sugar can be used as syrup only by clarification, impurity removal, decoloration and desalination or further refined into refined sugar to be eaten by people, and the development of a new technology for decoloring the raw sugar redissolved syrup has important significance in order to meet the needs of people and improve the quality of sugar products.
The traditional method for decoloring the crude sugar redissolved syrup adopts a chemical method, namely, a chemical additive is added for clarification and impurity removal, but the chemical additive residue can cause the product to have certain food safety problem, so that a green and pure physical impurity removal mode becomes an important means.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a method for producing edible syrup by a rotating film, aiming at the problems of chemical additives, high energy consumption and high cost in the prior art in the background art, so that the low-color value syrup can be produced with low energy consumption and low cost without adding chemical additives.
In order to solve the technical problem, the invention adopts the following technical scheme:
the invention relates to a method for producing edible syrup by a rotating film, which comprises the following steps:
C. rotating film clarification: filtering the re-dissolved syrup by using a rotating membrane to obtain clear syrup;
D. activated carbon adsorption: adding active carbon into the clear syrup, and uniformly stirring to obtain adsorption clear syrup;
E. and (3) filtering: filtering the adsorbed clear syrup to obtain filtered syrup and filter residue;
F. and (3) decoloring: carrying out decoloration and desalination on the filtered syrup to obtain decolored syrup;
G. and (3) concentrating: and concentrating the decolorized syrup to obtain the final low-color syrup product.
The clarifying condition of the rotating film is that the operating pressure is 0.1-0.4 MPa and the operating temperature is 70-80 ℃.
The active carbon is granular coconut shell active carbon, the grain size is 2-6 mm, and the addition amount is 2.5-12.5 mg per ml of clear syrup.
The active carbon adsorption condition is that the temperature of the syrup is 65-70 ℃.
The hammer degree of the redissolved syrup is 45-50 degrees Bx, and the temperature is 75-90 ℃.
The redissolution syrup is prepared by the following steps:
A. putting the raw sugar into a dissolving tank, and dissolving the raw sugar into syrup by using hot water;
B. the syrup is roughly filtered by a screen with 100-200 meshes to obtain the redissolved syrup.
The hot water is sugar-containing hot water, and the sugar-containing hot water is prepared by the following steps:
H. soaking the filter residue obtained by filtering in the step E in hot water;
I. pumping the hot water containing the filter residue to another plate-and-frame filter press for filtering to obtain the sugar-containing hot water.
And the filtration is carried out by adopting a plate-and-frame filter press.
And the decolorization is carried out by adopting an ion exchange column.
The ion exchange column adopts macroporous acrylic acid series strong base anion exchange resin, and the decolorizing condition is 43-48 ℃.
Compared with the prior art, the invention has the following beneficial effects:
(1) After the redissolved syrup is clarified and purified by a rotating film, the burden of active carbon and an ion exchange column is obviously reduced, and the decoloring and desalting efficiency is improved.
(2) The rotary film is used for removing impurities from the redissolved syrup, and because the syrup impurities are reduced, the loss of the active carbon and the ion exchange column can be reduced, thereby reducing the production cost.
(3) The syrup clarified by the rotary membrane is decolorized and desalted by active carbon and an ion exchange column, so that the color value of the syrup can be obviously reduced, and the edible syrup with high quality and low color value can be obtained.
Drawings
FIG. 1 is a process flow diagram of the process of the present invention.
Detailed Description
The technical solutions in the present invention are clearly and completely described below with reference to the embodiments, and the described embodiments are only a part of the present invention, but not all embodiments.
Example 1
This example is an example of the decolorization of a reconstituted syrup using a rotating film edible syrup production method according to the present invention, comprising the following steps:
A. putting raw sugar into a dissolving tank, and dissolving with hot water to obtain syrup. The brix of the redissolved syrup was 45 ° Bx, and the syrup temperature was 75 ℃.
B. The syrup is roughly filtered by a screen with 100-200 meshes to obtain the redissolved syrup.
C. Rotating film clarification: filtering the redissolved syrup after dissolving the raw sugar by using a rotating membrane to obtain clear syrup. The clarifying conditions of the rotating film are that the operating pressure is 0.1MPa and the operating temperature is 70 ℃.
D. Activated carbon adsorption: pumping the clear syrup to a stirring tank by a pump, adding active carbon into the stirring tank at the same time, and stirring uniformly. The active carbon is granular coconut shell active carbon with the particle size of 2mm, the addition amount of 2.5mg per ml of clear syrup is added, and the adsorption condition is that the syrup temperature is 65 ℃.
E. And (3) filtering: and (3) pumping the syrup pump added with the activated carbon to a plate-and-frame filter press by using a pump for filtering to obtain filtered syrup and filter residues.
F. And (3) decoloring: and (4) transferring the filtered syrup to an ion exchange column for decoloring and desalting to obtain the decolored syrup. The ion exchange column is macroporous acrylic acid series strong base anion exchange resin, and the decolorizing condition is that the temperature is 43 ℃.
G. Concentration: and (4) pumping the decolored syrup into an evaporating tank for concentration to obtain a low-color value syrup product with the brix of 60 degrees Bx.
H. And E, soaking the filter residue obtained in the step E in hot water.
I. Pumping the hot water containing the filter residue to another plate-and-frame filter press for filtering to obtain the sugar-containing hot water.
Example 2
This example is another example of the decolorization of a reconstituted syrup using a rotating film edible syrup production method according to the present invention, comprising the steps of:
A. putting the raw sugar into a dissolving tank, and dissolving with hot water to obtain syrup. The weight of the redissolved syrup was 47 ° Bx, and the syrup temperature was 82 ℃.
B. The syrup is roughly filtered by a screen with 100-200 meshes to obtain the redissolved syrup.
C. Rotating film clarification: filtering the redissolved syrup after dissolving the raw sugar by using a rotating membrane to obtain clear syrup. The film transfer clarification condition is that the operating pressure is 0.2MPa and the operating temperature is 75 ℃.
D. Activated carbon adsorption: pumping the clear syrup to a stirring tank by a pump, adding active carbon into the stirring tank at the same time, and stirring uniformly. The activated carbon is granular coconut shell activated carbon, the particle size is 4mm, the addition amount is 7.5mg per ml of clear syrup, and the syrup temperature is 67 ℃.
E. And (3) filtering: and (3) pumping the syrup pump added with the activated carbon to a plate-and-frame filter press by using a pump for filtering to obtain filtered syrup and filter residues.
F. And (3) decoloring: and (4) pulping the filtered syrup to an ion exchange column for decoloring and desalting to obtain the decolored syrup. The ion exchange column is macroporous acrylic acid series strong base anion exchange resin, and the temperature of the decoloring condition is 45 ℃.
G. Concentration: and (4) pumping the decolorized syrup into an evaporation tank for concentration to obtain a low-color value syrup product with the brix of 65 degrees Bx.
H. And E, soaking the filter residue obtained in the step E in hot water.
I. Pumping the hot water containing the filter residue to another plate-and-frame filter press for filtering to obtain the sugar-containing hot water.
Example 3
This example is a further example of the decolorization of a reconstituted syrup using a rotating film edible syrup production method according to the present invention, comprising the steps of:
A. putting the raw sugar into a dissolving tank, and dissolving with hot water to obtain syrup. The weight of the redissolved syrup was 50 ° Bx, and the syrup temperature was 90 ℃.
B. The syrup is roughly filtered by a screen with 100-200 meshes to obtain the redissolved syrup.
C. Rotating film clarification: filtering the redissolved syrup after dissolving the raw sugar by using a rotating membrane to obtain clear syrup. The rotating film is clarified under the conditions of 0.4MPa of operating pressure and 80 ℃ of operating temperature.
D. Activated carbon adsorption: pumping the clear syrup to a stirring tank by a pump, adding active carbon into the stirring tank at the same time, and stirring uniformly. The activated carbon is granular coconut shell activated carbon, the particle size is 6mm, the addition amount is 12.5mg per ml of clear syrup, and the syrup temperature is 70 ℃.
E. And (3) filtering: and (3) pumping the syrup pump added with the activated carbon to a plate-and-frame filter press by using a pump for filtering to obtain filtered syrup and filter residues.
F. And (3) decoloring: and (4) pulping the filtered syrup to an ion exchange column for decoloring and desalting to obtain the decolored syrup. The ion exchange column is macroporous acrylic acid series strong base anion exchange resin, and the temperature of the decoloring condition is 48 ℃.
G. Concentration: and (4) pumping the decolored syrup into an evaporating tank for concentration to obtain a low-color value syrup product with the brix of 70 degrees Bx.
H. And E, soaking the filter residue obtained in the step E in hot water.
I. Pumping the hot water containing the filter residue to another plate-and-frame filter press for filtering to obtain sugar-containing hot water.
Comparative example
This example is based on a traditional method for clarifying and decoloring a reconstituted syrup of raw sugar, and one example of decoloring a reconstituted syrup comprises the following steps:
A. and (4) honey washing: and (3) spraying and washing the raw sugar by using a honey separator and molasses to remove large-particle impurities and partial pigments on the surface of the raw sugar.
B. Dissolving: dissolving the raw sugar or the honey-washed raw sugar with hot water to obtain the redissolved syrup.
C. Pre-ashing: adding lime milk (or calcium sucrose).
D、CO 2 Filling: twice CO 2 And (5) filling, and filtering by using a plate-and-frame filter press to obtain the clear syrup.
E. Decoloring and desalting: the clear syrup is decolorized and desalted by using ion exchange resin.
F. And (3) concentrating: and (4) conveying the decolored and desalted syrup to an evaporation tank for concentration to obtain a final low-color value syrup product.
And B, dissolving the raw sugar in the step B to 45-degree Bx, and heating to 75 ℃.
And C, adjusting the pH value of the syrup to 8.5.
And E, the ion exchange resin is macroporous acrylic acid series strong base anion exchange resin, and the filtering temperature is 45 ℃.
And F, concentrating the syrup in the evaporation tank to obtain a low-color-value syrup product with the brix of 67-degree Bx.
The test was performed using the syrups obtained in examples 1, 2, 3 and comparative examples, and the pH value of the water sample was measured by a pH meter at room temperature, the brix of the syrup sample was measured based on a digital display refractometer, and the color value and turbidity of the syrup were measured by an ultraviolet-visible spectrophotometer, and the test results were as follows, wherein table 1 is the test result of example 1, table 2 is the test result of example 2, table 3 is the test result of example 3, and table 4 is the test result of comparative example.
TABLE 1
| Brix (%) | Purity (%) | Turbidity (MAU) | Color value (IU) | pH | |
| Redissolving syrup | 45 | 98.3 | 1550 | 1456 | 6.98 |
| Clear syrup | 45 | 98.9 | 530 | 419 | 6.93 |
| Filtered syrup | 45 | 98.5 | 45 | 300 | 6.89 |
| Low color syrup | 60 | 99.6 | 9 | 16 | 7.01 |
TABLE 2
| Brix (%) | Purity (%) | Turbidity (MAU) | Color value (IU) | pH | |
| Redissolving syrup | 47 | 98.4 | 1570 | 1460 | 6.95 |
| Syrup for clearing away heat | 47 | 98.4 | 508 | 415 | 6.85 |
| Filtered syrup | 47 | 98.4 | 41 | 290 | 6.79 |
| Low color syrup | 65 | 99.6 | 8 | 11 | 7.03 |
TABLE 3
| Brix (%) | Purity (%) | Turbidity (MAU) | Color value (IU) | pH | |
| Redissolving syrup | 50 | 98.5 | 1553 | 1463 | 6.94 |
| Syrup for clearing away heat | 50 | 98.5 | 450 | 415 | 6.79 |
| Filtered syrup | 50 | 98.5 | 36 | 250 | 6.78 |
| Low color syrup | 67 | 99.7 | 7 | 10 | 7.02 |
TABLE 4
| Brix (%) | Purity (%) | Turbidity (MAU) | Color value (IU) | pH | |
| Redissolving syrup | 45 | 98.3 | 1600 | 1527 | 6.91 |
| Clear syrup | 45 | 98.5 | 800 | 421 | 6.75 |
| Low color syrup | 67 | 99.2 | 15 | 18 | 7.01 |
The experimental results of the examples and comparative examples show that the color values of the syrups prepared by the process of the present invention are lower than the color values of the syrups prepared by the comparative examples, indicating that the process of the present invention is capable of obtaining low color value edible syrups.
The above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should understand that they can make various changes, modifications, additions and substitutions within the spirit and scope of the present invention.
Claims (10)
1. A method for producing edible syrup by a rotating film is characterized by comprising the following steps:
C. rotating film clarification: filtering the re-dissolved syrup by using a rotating membrane to obtain clear syrup;
D. activated carbon adsorption: adding active carbon into the clear syrup, and uniformly stirring to obtain adsorption clear syrup;
E. and (3) filtering: filtering the adsorbed clear syrup to obtain filtered syrup and filter residue;
F. and (3) decoloring: carrying out decoloration and desalination on the filtered syrup to obtain decolored syrup;
G. and (3) concentrating: and concentrating the decolorized syrup to obtain the final low-color syrup product.
2. The method for producing edible syrup by using a rotating film as claimed in claim 1, wherein the rotating film is clarified under the conditions of an operating pressure of 0.1 to 0.4MPa and an operating temperature of 70 to 80 ℃.
3. The method for producing edible syrup by using a rotating film as claimed in claim 1, wherein the activated carbon is granular coconut shell activated carbon, the grain size of the granular coconut shell activated carbon is 2-6 mm, and the addition amount of the granular coconut shell activated carbon is 2.5-12.5 mg per ml of the clean syrup.
4. The method for producing edible syrup by using a rotating film as claimed in claim 1, wherein the activated carbon adsorption condition is that the syrup temperature is 65-70 ℃.
5. A process for producing edible syrup according to claim 1, wherein the said reconstituted syrup has a brix of 45-50 ° Bx and a temperature of 75-90 ℃.
6. A method for producing edible syrup using a rotating film according to claim 1, wherein the reconstituted syrup is prepared by the steps of:
A. putting raw sugar into a dissolving tank, and dissolving into syrup with hot water;
B. the syrup is roughly filtered by a screen with 100-200 meshes to obtain the redissolved syrup.
7. The method of claim 6, wherein the hot water is sugar-containing hot water, and the sugar-containing hot water is prepared by the steps of:
H. d, soaking the filter residue obtained in the step E in hot water;
I. pumping the hot water containing the filter residue to another plate-and-frame filter press for filtering to obtain the sugar-containing hot water.
8. The method for producing edible syrup by using a rotating membrane as claimed in claim 1, wherein the filtering is performed by using a plate and frame filter press.
9. The process for producing edible syrup according to claim 1, wherein the decoloring is performed by using an ion exchange column.
10. The method for producing edible syrup by using a rotating membrane as claimed in claim 8, wherein the ion exchange column adopts macroporous acrylic acid series strong base anion exchange resin, and the decoloring condition is 43-48 ℃.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404174A (en) * | 2014-10-31 | 2015-03-11 | 广西大学 | Membrane technology-based refined sugar clear-syrup impurity removal and decoloring technology |
| CN104789705A (en) * | 2015-04-02 | 2015-07-22 | 广西大学 | Refined sugar clarifying method |
| CN107937626A (en) * | 2017-11-27 | 2018-04-20 | 广西大学 | A kind of refined sugar processing method based on activated carbon decolorizing |
| CN107937627A (en) * | 2017-11-27 | 2018-04-20 | 广西大学 | A kind of method of raw sugar remelt syrup clarification decoloration |
| CN109234467A (en) * | 2018-09-30 | 2019-01-18 | 飞潮（无锡）过滤技术有限公司 | The ceramic membrane treatment process of saccharified liquid in a kind of fructose syrup production process |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404174A (en) * | 2014-10-31 | 2015-03-11 | 广西大学 | Membrane technology-based refined sugar clear-syrup impurity removal and decoloring technology |
| CN104789705A (en) * | 2015-04-02 | 2015-07-22 | 广西大学 | Refined sugar clarifying method |
| CN107937626A (en) * | 2017-11-27 | 2018-04-20 | 广西大学 | A kind of refined sugar processing method based on activated carbon decolorizing |
| CN107937627A (en) * | 2017-11-27 | 2018-04-20 | 广西大学 | A kind of method of raw sugar remelt syrup clarification decoloration |
| CN109234467A (en) * | 2018-09-30 | 2019-01-18 | 飞潮（无锡）过滤技术有限公司 | The ceramic membrane treatment process of saccharified liquid in a kind of fructose syrup production process |
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