CN101805805A - Method for clarifying ultrasonically-enhanced sugarcane juice - Google Patents
Method for clarifying ultrasonically-enhanced sugarcane juice Download PDFInfo
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- CN101805805A CN101805805A CN200910310203A CN200910310203A CN101805805A CN 101805805 A CN101805805 A CN 101805805A CN 200910310203 A CN200910310203 A CN 200910310203A CN 200910310203 A CN200910310203 A CN 200910310203A CN 101805805 A CN101805805 A CN 101805805A
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- juice
- sugarcane juice
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Abstract
The invention discloses a method for clarifying ultrasonically-enhanced sugarcane juice, comprising the following steps: preliming the mixed sugarcane juice; heating the mixed sugarcane juice for the first time; leading CO2 and Ca(OH)2 to the mixed sugarcane juice to carbonize the mixed sugarcane juice in a ultrasonic reaction device, wherein the weight of the Ca(OH)2 is 0.01-0.3 percent of the weight of the mixed sugarcane juice, and the molar mass ratio of the CO2 to the Ca(OH)2 is 1:1; adding SO2 and Ca(OH)2 to enable the mixed sugarcane juice which comes out of the ultrasonic reaction device to be subjected to the sulphitation and the neutralization, or adding part of the mixed sugarcane juice which is not carbonized by the CO2 to the mixed sugarcane juice which comes out of the ultrasonic reaction device to enable the same two to be subjected to the sulphitation and the neutralization, where the addition amount of the SO2 and the Ca(OH)2 is 55-59 percent of the addition amount of the SO2 and the Ca(OH)2 which are added to enable the mixed sugarcane juice to be subjected to the sulphitation and the neutralization; heating the mixed sugarcane juice; and precipitating the mixed sugarcane juice. The method for clarifying the ultrasonically-enhanced sugarcane juice can improve the neutralization speed and the neutralization degree of the sugarcane juice and reduce the content of the residual sulfur.
Description
[technical field]
The present invention relates to a kind of sugar refining technology method, relate in particular to a kind of improved cane juice clarification processing method.
[background technology]
White sugar colour and sulphur content are the quality index that white sugar is most important, technical difficulty is maximum.The decolouring in sugar refinery is finished by the clarification operation.The most frequently used clarification process in sugar refinery mainly is sulfurous method and carbonatation process at present.In the sulfurous method clarification process, by adding SO
2, milk of lime and phosphoric acid, thereby form calcium sulfite precipitation and calcium phosphate precipitation the colloid in the syrup, pigment absorption are removed.The advantage of sulfurous method is that technical process is short, equipment is simple, less investment, but clarifying effect is not as carbonatation process.In the carbonatation process clarification process, be by adding CO
2, milk of lime, form precipitation of calcium carbonate the colloid in the syrup, pigment absorption removed.Carbonatation process can be obtained treatment effect preferably in handling the sugarcane juice process, its basic reason is that the adsorptive power of lime carbonate is stronger than calcium sulfite.But the equipment of carbonatation process clarification process flow process complexity, needs is more, and lime and CO
2Consumption is big, invests greatlyyer, thereby is replaced by sulfurous method gradually at present.
Developing a kind of advantage that has sulfurous method and carbonatation process concurrently, have the clarification novel process of less investment simultaneously again, is the problem of relatively being concerned about in the sugaring field; For this reason, the cane juice clarification processing method that combines about sulfurous method and carbonatation process, have publication number to be in succession: the patented technology of CN1317577A, CN101280344A is open, but these methods only are with two kinds of method combinations simply, can't improve neutralization reaction speed and level of response greatly, improve decolorizing effect.
[summary of the invention]
The technical problem to be solved in the present invention is: a kind of advantage that has sulfurous method and carbonatation process concurrently is provided, have less investment again simultaneously, can improve neutralization reaction speed and level of response, improve a kind of method for clarifying ultrasonically-enhanced sugarcane juice of the advantage of decolorizing effect, reduction residual sulfur content, to solve the problems referred to above that above-mentioned prior art exists.
The technical scheme that solves the problems of the technologies described above is: a kind of method for clarifying ultrasonically-enhanced sugarcane juice, based on sulfurous method and carbonatation process, it is with CO by earlier
2And Ca (OH)
2Add in the sugarcane juice and in supersonic reaction device and react, produce nano level calcium carbonate superfine powder particle, with these calcium carbonate superfine powder particles as SO in the stove drying neutralization reaction
3 2-And Ca
2+The CaSO that reaction forms
3Nucleus, make under lower degree of supersaturation and form CaSO
3Sedimentary cane juice clarification processing method.
Its concrete technical scheme is: a kind of method for clarifying ultrasonically-enhanced sugarcane juice, be applicable to carbonatation process and sulfurous method bonded clarification process, and comprising: pre-ash, once heating, CO
2Full charge, stove drying neutralization, second-heating and sedimentation operation, described CO
2The full charge operation is through pre-ash, once feed CO in the mixing juice after the heating
2With Ca (OH)
2, and mixing juice led in the supersonic reaction device carry out CO
2The full charge reaction will be carried out the stove drying neutralization reaction again from the sugarcane juice that supersonic reaction device comes out or add part without feeding CO
2With Ca (OH)
2Mixing juice carry out the stove drying neutralization reaction together.
Adopt method for clarifying ultrasonically-enhanced sugarcane juice of the present invention, have following beneficial effect:
(1) in the stove drying and after residual SO in the sugarcane juice that obtains through sedimentation clarification
3 2-Content is low, and the residual sulfur content in the white sugar finished product is also low, has improved the quality of commerieal sugar greatly.
In the stove drying and after SO in the sugarcane juice that obtains through sedimentation clarification
3 2-Content, directly have influence on the quality of the content and the commerieal sugar of sulfurous gas in the white sugar.Therefore how effectively reducing content of sulfur dioxide in the white sugar, is the major issue that sugar refinery faces, and especially is more prone to produce the situation that content of sulfur dioxide exceeds standard when producing the appearance fluctuation.Enforcement of the present invention makes CO on the one hand
2And Ca (OH)
2React at supersonic reaction device, produce " cavitation " effect in the supersonic reaction device: the cavity effect of being somebody's turn to do " cavitation " can provide energy to supersaturated solution, improve the vibrational energy of total system, in minimum space and extremely short time, produce shockwave and jet, and interfacial effect has reduced crystal energy, makes CaCO
3The precipitation generating rate improves several magnitude, forms a large amount of nano level particles in the extremely short time; On the other hand, these nano levels CaCO
3Particle is as nucleus, the result make in the stove drying and program in, SO
3 2-And Ca
2+Supersaturated solution just can be realized CaSO in the steady district that is situated between (low degree of supersaturation)
3Sedimentary formation and growing up greatly reduces clearly residual SO in the juice
3 2-Content (compare SO with general stove drying neutralization method
3 2-Residual quantity reduces more than 30%), thus prerequisite provided for the final residual sulfur content that reduces in the white sugar finished product.
(2) residual Ca in syrup and the white sugar finished product
2+Content is low:
The residual Ca of syrup
2+The content height can cause product ash content height on the one hand, reduces the quality of product, and the content height of inorganics in the syrup can make and make sweet rate rising simultaneously, and the sugar recovery reduces; On the other hand, residual Ca in the syrup
2+In inorganic salt, can make equipment pipe incrustation serious, reduce heat transfer efficiency, increase energy consumption and reduce production efficiency.Because the inventive method is not simply that carbonatation process and sulfurous method is superimposed, it is with CO by earlier
2And Ca (OH)
2Add in the sugarcane juice and in supersonic reaction device, carry out CO
2Full charge reaction produces nano level calcium carbonate superfine powder particle, with these calcium carbonate superfine powder particles as SO in the stove drying neutralization reaction
3 2-And Ca
2+The CaSO that reaction forms
3Nucleus, therefore, at CO of the present invention
2The full charge operation, the CO that in mixing juice, feeds
2And Ca (OH)
2Consumption be 0.01 ~ 0.099% of sugarcane juice weight, than common CO
2CO in the full charge operation
2And Ca (OH)
2Few many of consumption; SO in the interpolation of stove drying neutralization reaction
2, Ca (OH)
2Amount also only be 55 ~ 95% of traditional stove drying neutralization reaction aequum; Therefore, enforcement of the present invention not only makes clearly residual SO in the juice
3 2-Content is low, also greatly reduces clearly Ca in the juice
2+Content (compare Ca with general stove drying neutralization method
2+-Residual quantity reduces more than 30%), thus avoided owing to residual Ca in the sugarcane juice
2+More and cause reduce, increase the disadvantageous effects such as incrustation of equipment pipe such as product ash content height, sugar recovery.
(3) speed of response is fast, and deposit seeds is solid, and absorption property is good:
In the sugar clarification process, mainly be by SO
3 2-And Ca
2+Reaction forms CaSO
3Precipitation or CO
3 2-And Ca
2+Reaction forms CaCO
3Precipitation and PO
4 3-And Ca
2+Reaction forms Ca
3(PO
4)
2Thereby precipitation is adsorbed the colloid in the syrup, pigment and remove.Calcium sulfite precipitation or lime carbonate and calcium phosphate precipitation directly have influence on the clarify and decolorize effect to the adsorptive power of colloid pigment, and the solid degree of deposit seeds, promptly the density size directly has influence on its settling property again.Enforcement of the present invention is carried out CO at supersonic reaction device
2Because the calcium carbonate superfine powder that the effect of " cavitation " effect produces has bigger specific surface area, adsorption is bigger, so it also can adsorb colloid and pigment in the sugarcane juice effectively under the situation of full charge reaction; On the other hand, the nucleus effect of calcium carbonate superfine powder makes colloidalmaterial and other non-sugar form the macrobead throw out, more helps sedimentary sedimentation, and has improved the settling velocity of sugarcane juice.
(4) deposit seeds of Chan Shenging is even:
SO
3 2-And Ca
2+Reaction forms CaSO
3The big or small homogeneity of deposit seeds has influence on particle settled stability and harmony in settling vessel.Inhomogeneous as fruit granule, can cause in the settling vessel sedimentation inhomogeneous, local sedimentation is too fast, and local sedimentation is slow excessively, also may make when serious to occur the convection current situation of rolling in the settling vessel, causes the effect of settling variation, reduces purification effect.Thereby, CaSO
3Thereby deposit seeds size homogeneity is assurance or improves effect of settling and improve one of key factor of purification effect.Enforcement of the present invention is carried out CO at supersonic reaction device
2Under the situation of full charge reaction since the calcium carbonate superfine powder that the effect of " cavitation " effect produces as CaSO
3Sedimentary nucleus makes CaSO
3Precipitation formation speed is fast, the particle size range narrow distribution, and uniform particles has increased the stability of cane juice clarification process, has improved clarifying effect.
In sum, enforcement of the present invention makes SO
3 2-And Ca
2+Concentration than under the regular situation when much lower, when promptly supersaturation coefficient is very little, just can form more precipitation, make SO
3 2-And Ca
2+Reaction more abundant, simultaneously speed of response is accelerated greatly, makes deposit seeds than more strengthening under the regular situation and fine and close, the result makes residual SO in the syrup on the one hand
3 2-, Ca
2+Reduce, improve the quality and the sugar recovery of finished product white sugar, reduce pipeline incrustation situation; Make CaSO on the other hand again
3Have stronger decoloring ability and make clarifying effect more remarkable.
Below, the technical characterictic to a kind of method for clarifying ultrasonically-enhanced sugarcane juice of the present invention is further described in conjunction with the accompanying drawings and embodiments.
[description of drawings]
Fig. 1: the process flow diagram of a kind of method for clarifying ultrasonically-enhanced sugarcane juice of the embodiment of the invention one;
Fig. 2: the process flow diagram of a kind of method for clarifying ultrasonically-enhanced sugarcane juice of the embodiment of the invention two.
[embodiment]
Embodiment one:
A kind of method for clarifying ultrasonically-enhanced sugarcane juice, based on sulfurous method and carbonatation process, it is with CO by earlier
2And Ca (OH)
2Add in the sugarcane juice and in supersonic reaction device and react, produce nano level calcium carbonate superfine powder particle, with these calcium carbonate superfine powder particles as SO in the stove drying neutralization reaction
3 2-And Ca
2+The CaSO that reaction forms
3Nucleus, make under lower degree of supersaturation and form CaSO
3Sedimentary cane juice clarification processing method.
Its specific embodiment comprises: pre-ash, once heating, CO2 full charge, stove drying neutralization, second-heating and sedimentation operation (referring to Fig. 1), described CO2 full charge operation are through pre-ash, once feed CO in the whole mixing juices after heating
2With Ca (OH)
2, and mixing juice led to carry out the reaction of CO2 full charge in the supersonic reaction device, will carry out the stove drying neutralization reaction from the sugarcane juice that supersonic reaction device comes out again; The Ca (OH) that in mixing juice, feeds in CO2 full charge operation
2Consumption be 0.05% of sugarcane juice weight, CO
2Consumption and Ca (OH)
2The mol ratio of consumption is 1: 1; The SO that the stove drying neutralization reaction is added
2, Ca (OH)
2Amount be 55 ~ 90% of traditional stove drying neutralization reaction aequum.
Embodiment two:
A kind of method for clarifying ultrasonically-enhanced sugarcane juice, its ultimate principle is with embodiment one, institute's difference is: it just with a part through pre-ash, once the mixing sugarcane juice after the heating carries out CO2 full charge operation and handles, that is: CO2 full charge operation is through pre-ash, once feed CO in a part of mixing juice after the heating
2With Ca (OH)
2And mixing juice led to carry out the reaction of CO2 full charge in the supersonic reaction device, then with this part through in supersonic reaction device, carrying out sugarcane juice and another part after CO2 full charge operation is handled only through pre-ash, heating back and do not mix and carry out the stove drying neutralization reaction once through the mixing juice of CO2 full charge operation processing; Its specific embodiment is referring to Fig. 2; In stove drying and operation, be calculated as with parts by weight through the amount of CO2 full charge operation treating part and ratio through the amount of CO2 full charge operation treating part: 1: 2, the Ca (OH) that in mixing juice, feeds in CO2 full charge operation
2Consumption be 0.07% of sugarcane juice weight, CO
2Consumption and Ca (OH)
2The mol ratio of consumption is 1: 1; The SO that the stove drying neutralization reaction is added
2, Ca (OH)
2Amount be 60 ~ 95% of traditional stove drying neutralization reaction aequum.
A kind of conversion as the embodiment of the invention two, in stove drying and operation, the amount of process CO2 full charge operation treating part sugarcane juice can increase and decrease with the ratio of the amount of passing through CO2 full charge operation treating part sugarcane juice, can be: 1: 1,1: 3,1: 4,1: 5,1: 6 or 1: 7, even more, generally be calculated as: any one numerical value in 1: 1～9 with parts by weight.
In the various embodiments of the present invention, described supersonic reaction device is a kind of supersonic reaction device that can produce " cavitation " effect, for example: tubular type, parallel plate type or configuration processor for ultrasonic wave radially; Hyperacoustic intensity that processor for ultrasonic wave produces can increase or reduce, and that general is 0.5Wcm
2～10Wcm
2Mix sugarcane juice and in the ultrasonic response device, carry out CO
2The time of full charge reaction is 1s～300s.
In the various embodiments of the present invention, identical in the addition manner of phosphoric acid and interpolation time, quantity and the common sulfurous method clarification process, repeat no more herein.
As a kind of conversion of the embodiment of the invention one, embodiment two, the Ca (OH) that in mixing juice, feeds in CO2 full charge operation
2Consumption can also increase or reduce general Ca (OH)
2Consumption be 0.01 ~ 0.099% of sugarcane juice weight, the Ca (OH) that in mixing juice, feeds when CO2 full charge operation
2Consumption reduce the SO that adds in the stove drying neutralization reaction then
2, Ca (OH)
2Amount just increase, if the Ca (OH) that in mixing juice, feeds when CO2 full charge operation
2Consumption increase the SO that adds in the stove drying neutralization reaction then
2, Ca (OH)
2Amount just reduce the general SO that in the stove drying neutralization reaction, adds
2, Ca (OH)
2Amount be 55 ~ 95% of traditional stove drying neutralization reaction aequum, referring to subordinate list one: " in the method for clarifying ultrasonically-enhanced sugarcane juice, the CO of interpolation
2And Ca (OH)
2And SO
2, Ca (OH)
2Consumption table look-up "; And, as required, can also increase or reduce.
Since under the situation that does not break away from spirit of the present invention or essential feature, in the method for clarifying ultrasonically-enhanced sugarcane juice of the present invention, the CO of interpolation
2And Ca (OH)
2And SO
2, Ca (OH)
2Consumption is not limited to the literal of front or the numeral explanation in the subordinate list of back, and explain widely in the spirit and scope that should limit in appended claims, so all fall into the scope of claims or the interior variation and the modification of equivalent scope of this scope all should be included in appended claims.
Subordinate list one: in the method for clarifying ultrasonically-enhanced sugarcane juice of the present invention, the CO of interpolation
2And Ca (OH)
2
And SO
2, Ca (OH)
2Consumption changes table look-up
In the last table: T: feed the mixing sugarcane juice weight in the supersonic reaction device;
P: the SO that traditional stove drying method is added
2And Ca (OH)
2Consumption.
Claims (9)
1. a method for clarifying ultrasonically-enhanced sugarcane juice is applicable to carbonatation process and sulfurous method bonded clarification process, comprising: pre-ash, once heating, CO
2Full charge, stove drying neutralization, second-heating and sedimentation operation is characterized in that: described CO
2The full charge operation is through pre-ash, once feed CO in the mixing juice after the heating
2With Ca (OH)
2, and mixing juice led in the supersonic reaction device carry out CO
2The full charge reaction will be carried out the stove drying neutralization reaction again from the sugarcane juice that supersonic reaction device comes out or add part without feeding CO
2With Ca (OH)
2Mixing juice carry out the stove drying neutralization reaction together.
2. a kind of method for clarifying ultrasonically-enhanced sugarcane juice according to claim 1 is characterized in that: described CO
2The full charge operation is through pre-ash, once feed CO in the whole mixing juices after the heating
2With Ca (OH)
2, and mixing juice led in the supersonic reaction device carry out CO
2The full charge reaction will be carried out the stove drying neutralization reaction from the sugarcane juice that supersonic reaction device comes out, again at CO
2The Ca that the full charge operation feeds in mixing juice (OH)
2Consumption be 0.01～0.099% of sugarcane juice weight, CO
2Consumption and Ca (OH)
2The mol ratio of consumption is 1: 1.
3. a kind of method for clarifying ultrasonically-enhanced sugarcane juice according to claim 1 is characterized in that: described CO
2The full charge operation is through pre-ash, once feed CO in the partially mixed juice after the heating
2With Ca (OH)
2, and mixing juice led in the supersonic reaction device carry out CO
2The full charge reaction will add part without feeding CO again from the sugarcane juice that supersonic reaction device comes out
2With Ca (OH)
2Mixing juice carry out the stove drying neutralization reaction together; At CO
2The Ca that the full charge operation feeds in mixing juice (OH)
2Consumption be 0.04～0.099% of sugarcane juice weight, CO
2Consumption and Ca (OH)
2The mol ratio of consumption is 1: 1.
4. a kind of method for clarifying ultrasonically-enhanced sugarcane juice according to claim 1 is characterized in that: described CO
2The full charge operation is through pre-ash, once feed CO in the partially mixed juice after the heating
2With Ca (OH)
2, and mixing juice led in the supersonic reaction device carry out CO
2The full charge reaction will add part without feeding CO again from the sugarcane juice that supersonic reaction device comes out
2With Ca (OH)
2Mixing juice carry out the stove drying neutralization reaction together; At CO
2The Ca that the full charge operation feeds in mixing juice (OH)
2Consumption be 0.01～0.3% of sugarcane juice weight, CO
2Consumption and Ca (OH)
2The mol ratio of consumption is 1: 1.
5. according to claim 3 or 4 described a kind of method for clarifying ultrasonically-enhanced sugarcane juice, it is characterized in that: in stove drying and operation, through CO
2The amount of full charge operation treating part sugarcane juice with do not pass through CO
2The ratio of the amount of full charge operation treating part sugarcane juice is calculated as with parts by weight: 1: 1～9.
6. according to claim 1,2,3 or 4 described a kind of method for clarifying ultrasonically-enhanced sugarcane juice, it is characterized in that: described supersonic reaction device is tubular type, parallel plate type or configuration processor for ultrasonic wave radially, and hyperacoustic intensity that this processor for ultrasonic wave produces is 0.5W.cm2～10W.cm2.
7. a kind of method for clarifying ultrasonically-enhanced sugarcane juice according to claim 5, it is characterized in that: described supersonic reaction device is tubular type, parallel plate type or configuration processor for ultrasonic wave radially, and hyperacoustic intensity that this processor for ultrasonic wave produces is 0.5W.cm2～10W.cm2.
8. according to claim 1,2,3 or 4 described a kind of method for clarifying ultrasonically-enhanced sugarcane juice, it is characterized in that: described mixing sugarcane juice carries out CO in supersonic reaction device
2The time of full charge reaction is 1s～300s.
9. a kind of method for clarifying ultrasonically-enhanced sugarcane juice according to claim 7 is characterized in that: described mixing sugarcane juice carries out CO in supersonic reaction device
2The time of full charge reaction is 1s～300s.
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|---|---|---|---|
| CN200910310203XA CN101805805B (en) | 2009-02-18 | 2009-11-23 | Method for clarifying ultrasonically-enhanced sugarcane juice |
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|---|---|---|---|
| CN200910113877 | 2009-02-18 | ||
| CN200910113877.0 | 2009-02-18 | ||
| CN200910310203XA CN101805805B (en) | 2009-02-18 | 2009-11-23 | Method for clarifying ultrasonically-enhanced sugarcane juice |
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| CN101805805B CN101805805B (en) | 2012-07-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266185A (en) * | 2013-05-27 | 2013-08-28 | 华南理工大学 | Method for clarifying crude sugar liquor by ultrasonic intensified boiler flue gas |
| CN103699148A (en) * | 2013-12-11 | 2014-04-02 | 广西柳州浚业科技有限公司 | Cane juice stoving neutralization reaction control system |
| CN103695570A (en) * | 2013-12-11 | 2014-04-02 | 广西柳州浚业科技有限公司 | Control method of cane juice stoving neutralization reaction control system |
| CN105063243A (en) * | 2015-08-04 | 2015-11-18 | 蚌埠市华东生物科技有限公司 | Clarifying treatment method of sugar solution |
| CN110656207A (en) * | 2019-09-27 | 2020-01-07 | 柳州市易普科化工技术开发有限责任公司 | Clean and efficient method for clarifying sugarcane juice by sulfurous method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1296082A (en) * | 2000-10-03 | 2001-05-23 | 瞿东平 | Sugarcane juice clarifying technology by sulfurous acid-carbonic acid method |
| CN1317577A (en) * | 2001-04-28 | 2001-10-17 | 瞿东平 | Process for clarifying cane juice by sulforous acid-carbonic acid method |
| CN101356958B (en) * | 2007-07-30 | 2012-12-19 | 广西工学院 | Sugar clarification technique method for intensifying sulphitation and neutralization reaction |
| CN101144109A (en) * | 2007-08-15 | 2008-03-19 | 黄桂忠 | Low temperature processing technique for sugar mill mixing liquor by sulfurous acid method |
| CN101280344B (en) * | 2008-01-11 | 2011-01-05 | 曾仪飞 | Clarification method for sugarcane juice |
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2009
- 2009-11-23 CN CN200910310203XA patent/CN101805805B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266185A (en) * | 2013-05-27 | 2013-08-28 | 华南理工大学 | Method for clarifying crude sugar liquor by ultrasonic intensified boiler flue gas |
| CN103266185B (en) * | 2013-05-27 | 2015-03-11 | 华南理工大学 | Method for clarifying crude sugar liquor by ultrasonic intensified boiler flue gas |
| CN103699148A (en) * | 2013-12-11 | 2014-04-02 | 广西柳州浚业科技有限公司 | Cane juice stoving neutralization reaction control system |
| CN103695570A (en) * | 2013-12-11 | 2014-04-02 | 广西柳州浚业科技有限公司 | Control method of cane juice stoving neutralization reaction control system |
| CN105063243A (en) * | 2015-08-04 | 2015-11-18 | 蚌埠市华东生物科技有限公司 | Clarifying treatment method of sugar solution |
| CN110656207A (en) * | 2019-09-27 | 2020-01-07 | 柳州市易普科化工技术开发有限责任公司 | Clean and efficient method for clarifying sugarcane juice by sulfurous method |
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Effective date of registration: 20221020 Address after: 545006 268 East Ring Road, Liuzhou, the Guangxi Zhuang Autonomous Region Patentee after: GUANGXI University OF SCIENCE AND TECHNOLOGY Address before: 545006 No. 268 East Ring Road, the Guangxi Zhuang Autonomous Region, Liuzhou Patentee before: GUANGXI University OF TECHNOLOGY |