CN105331750A - Clarifying method for sugaring mixed juice - Google Patents
Clarifying method for sugaring mixed juice Download PDFInfo
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- CN105331750A CN105331750A CN201510726586.4A CN201510726586A CN105331750A CN 105331750 A CN105331750 A CN 105331750A CN 201510726586 A CN201510726586 A CN 201510726586A CN 105331750 A CN105331750 A CN 105331750A
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- Prior art keywords
- juice
- phosphoric acid
- lime
- sugaring
- milk
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- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B20/00—Purification of sugar juices
- C13B20/005—Purification of sugar juices using chemicals not provided for in groups C13B20/02 - C13B20/14
Abstract
The invention provides a clarifying method for sugaring mixed juice and belongs to the field of cane juice clarifying. According to the method, lime milk and phosphoric acid are adopted as clarifying agents to clarify the sugaring mixed juice at low temperature; at first, the mixed juice is heated to 40 DEG C-60 DEG C, 150-300 mg of phosphoric acid is added to each kilogram of mixed juice, the lime milk is used for adjusting the pH value of the mixed juice to be 10.6-11.6, the constant-temperature reaction is carried out for 10-15 min at the temperature of 40 DEG C-60 DEG C, and then centrifugal separation is carried out to obtain clarification juice. The adopted materials are easy to obtain, equipment is simple, the clarifying effect can be effectively improved, and the clarification juice which does not contain sulfur dioxide is obtained.
Description
[technical field]
The present invention relates to a kind of defecation method of mixing juice of refining sugar, belong to cane juice clarification field.
[background technology]
China's sugar manufacturing industry can be divided into lime method, sulfurous method and carbonatation process according to the difference of finings.
Lime method refers to be clarified sugarcane juice as primary clarifying agent with lime, before more than 400 years, described in the Exploitation of the Works of Nature that China's SONG Yingxing is shown just has this defecation method.But the clarifying effect of lime method is generally not ideal, the removal rate of impurity is not high, and the purity before and after sugarcane juice process there is no obvious change.Therefore in China, simple lime method is usual only for the production of the sugar products that some qualities are not high, as brown sugar (Saccharum Sinensis Roxb.), piece candy, brown powdered sugar etc.
Sulfurous method is that China sugar refinery adopts maximum peace and quiet technology, external as the also more employing sulfurous method such as Brazil, India, Indonesia.With lime method unlike, beyond sulfurous method delime, also added another kind of finings---sulfurous gas.Calcium sulfite and sulfurous gas act on simultaneously, and create absorption to pigment and suppress, therefore sulfurous method effect is better than lime method, are usually used in producing plantation white sugar.But also there is more drawback in sulfurous method, wherein topmost shortcoming is: the quality of white sugar is not ideal enough, turbidity, colour and insolubles content are all higher, content of sulfur dioxide simultaneously in white sugar is higher, and the white sugar that therefore sulfurous method is produced usually all can not as the starting material of luxury food.In addition, the sulfur dioxide gas of sulfitation sugar mill is normally produced with sulfur burning, the not only not energy-conserving and environment-protective of this mode, and be easy to because equipment is old, the problem of misoperation and cause corrosive pipeline, in view of this, sulfurous method is not a kind of desirable defecation method.
Carbonatation process is called by the method that carbonic acid gas and lime process sugarcane juice as primary clarifying agent.This method is adopted by most of beet-sugar factory, also has small part cane sugar factory to adopt carbonatation process to produce white sugar.Carbonatation process make use of two the suitableeest coacervation points (pH value) of sugarcane juice colloid, and the non-saccharide thus removed is divided relatively more complete, can make purity higher, the white sugar that color and luster is lower, and carbon method white sugar also not easily occurs variable color in storage period.But carbon method is produced white sugar and also be there is shortcoming, and as Production Flow Chart is long, equipment is more, and need to consume a large amount of carbonic acid gas and lime, the relative lime method of cost and Ya Fagao.In addition, the most thorny issue is then its byproduct---alkaline mud, deals with the burden that also can increase environment improperly.
Current is all generally revise based on the technical process of sulfurous method or carbonatation process for clarification process of sugar production technological improvement, but these technical reform scheme do not provide a kind of environmental protection and energy saving, and efficiently easy defecation method.
[summary of the invention]
The object of the invention is to: for above-mentioned Problems existing, a kind of environmental protection and energy saving are provided, efficiently easy sugaring mixing juice defecation method.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of sugaring mixing juice defecation method, be adopt milk of lime and phosphoric acid as finings, under the cold condition of 40-60 DEG C, carry out clarifying treatment to sugaring mixing juice, its process method step is as follows:
1) described sugaring mixing juice is first heated to 40-60 DEG C, then adds phosphoric acid, and wherein phosphoric acid additional proportion is: 150-300mg phosphoric acid: 1kg mixing juice;
2) with milk of lime by step 1) pH value of juice after process is adjusted to 10.6-11.6;
3) by step 2) process after juice proceed in isothermal reaction groove, under the condition of 40-60 DEG C, react 10-15min;
4) to step 3) process after juice carry out centrifugation, rotating speed is 4000-4500r/min, centrifugation time 10-15min;
5) step 4 is taken out) the supernatant juice of gained, both obtained the subsider juice through clarifying treatment.
Above defecation method is adopted to clarify sugaring mixing juice, effectively can improve the clearance of colloid pigment and impurity in mixing juice, effective raising percent of decolourization, obtains the subsider juice of low colour, and subsider juice sucrose purity is significantly increased relative to mixing juice sucrose purity.
As a further improvement on the present invention, step 1) described in phosphoric acid be food grade phosphoric acid solution, phosphoric acid Chong measures Han Liang≤85%.Food grade phosphoric acid solution, as finings, effectively can reduce the water insoluble matter content of subsider juice, improves the quality of finished product white sugar.
Further improve as of the present invention, step 2) described in milk of lime be food grade lime through slake gained, and the lime milk concentration after slake is 8-15 ° of B é.With milk of lime prepared by food grade lime slake, it is more that it compares the effective calcium ion of the milk of lime prepared with common lime, significantly can improve the hysteresis phenomenon during reaction of common lime breast, meanwhile, the heavy metal that the milk of lime that food grade lime obtains is brought in mixing juice is relative with water-insoluble less, be conducive to improving clear quality, improve the quality of commerieal sugar.
Improve further again as of the present invention, step 3) described in the reactive tank steam of isothermal reaction be incubated.Utilize steam to be incubated reactive tank, effectively can utilize remaining Low Temperature Steam in sugar manufacturing process, be conducive to energy-conservation.
In sum, owing to have employed technique scheme, other beneficial effects of the present invention are:
1, defecation method of the present invention is adopted, the quality problem that white sugar product there will not be sulfurous gas to exceed standard; Meanwhile, milk of lime and phosphoric acid are all the finingss be easy to get, and do not need to carry out complicated pre-treatment, for sulfurous method and carbonatation process, are a kind of energy-conserving and environment-protective and finings combination efficiently.
2, defecation method of the present invention is adopted to clarify sugaring mixing juice, effectively can improve the clearance of colloid pigment and impurity in mixing juice, effective raising percent of decolourization, obtains the subsider juice of low colour, and subsider juice sucrose purity is significantly increased relative to mixing juice sucrose purity.
[accompanying drawing explanation]
Fig. 1 is the process flow sheet of defecation method of the present invention.
[embodiment]
The invention provides a kind of sugaring mixing juice defecation method, the method adopts milk of lime and phosphoric acid as finings, carries out clarifying treatment under cryogenic, finally obtain low colour, highly purified subsider juice to sugaring mixing juice.Following embodiment can help those skilled in the art more fully to understand the present invention, but cannot limit the present invention by any way.
Embodiment 1
A kind of sugaring mixing juice defecation method, adopt milk of lime and phosphoric acid as finings, carry out clarifying treatment to sugaring mixing juice under cryogenic, its process method step is as follows:
1) described sugaring mixing juice is first heated to 40 DEG C, then adds the food grade phosphoric acid solution of 85%, and wherein phosphoric acid solution additional proportion is: 150mg phosphoric acid: 1kg mixing juice;
2) with 8 ° of B é milk of limes by step 1) pH value of juice after process is adjusted to 10.6;
3) by step 2) process after juice proceed in isothermal reaction groove, under the condition of 40 DEG C, react 10min; The reactive tank steam of this isothermal reaction is incubated;
4) to step 3) process after juice carry out centrifugation, rotating speed is 4000r/min, centrifugation time 10min;
5) step 4 is taken out) the supernatant juice of gained, both obtained the subsider juice through clarifying treatment.
Subsider juice conventional index through above-mentioned steps gained detects data in table 1.
Embodiment 2
A kind of sugaring mixing juice defecation method, adopt milk of lime and phosphoric acid as finings, carry out clarifying treatment to sugaring mixing juice under cryogenic, its process method step is as follows:
1) described sugaring mixing juice is first heated to 60 DEG C, then adds the food grade phosphoric acid solution of 90%, and wherein phosphoric acid solution additional proportion is: 300mg phosphoric acid: 1kg mixing juice;
2) with 15 ° of B é milk of limes by step 1) pH value of juice after process is adjusted to 11.6;
3) by step 2) process after juice proceed in isothermal reaction groove, under the condition of 60 DEG C, react 15min;
4) to step 3) process after juice carry out centrifugation, rotating speed is 4500r/min, centrifugation time 15min;
5) step 4 is taken out) the supernatant juice of gained, both obtained the subsider juice through clarifying treatment.
Subsider juice conventional index through above-mentioned steps gained detects data in table 1.
Embodiment 3
A kind of sugaring mixing juice defecation method, adopt milk of lime and phosphoric acid as finings, carry out clarifying treatment to sugaring mixing juice under cryogenic, its process method step is as follows:
1) described sugaring mixing juice is first heated to 50 DEG C, then adds the food grade phosphoric acid solution of 86%, and wherein phosphoric acid solution additional proportion is: 250mg phosphoric acid: 1kg mixing juice;
2) with 15 ° of B é milk of limes by step 1) pH value of juice after process is adjusted to 11.4;
3) by step 2) process after juice proceed in isothermal reaction groove, under the condition of 50 DEG C, react 15min;
4) to step 3) process after juice carry out centrifugation, rotating speed is 4000r/min, centrifugation time 10min;
5) step 4 is taken out) the supernatant juice of gained, both obtained the subsider juice through clarifying treatment.
Subsider juice conventional index through above-mentioned steps gained detects data in table 1, and embodiment 3 and sulfurous method clarifying effect correlation data are in table 2.
The detection data of table 1 clarifying effect of the present invention
Table 2 clarifying effect of the present invention and sulfurous method clarifying effect correlation data
As shown in table 1 data, adopt the method for the invention to clarify sugaring mixing juice, all satisfactory subsider juice of every conventional index can be obtained; Meanwhile as shown in table 2 data, defecation method of the present invention is compared with sulfurous method, and the purity of subsider juice, colour, turbidity, calcium salt content and content of sulfur dioxide index all can significantly improve.
Above-mentioned explanation is the detailed description for the better possible embodiments of the present invention, but embodiment is also not used to limit patent claim of the present invention, the equal change completed under technical spirit suggested by all the present invention or modification are changed, and all should belong to the present invention and contain the scope of the claims.
Claims (4)
1. refine sugar the defecation method of mixing juice, it is characterized in that: adopt milk of lime and phosphoric acid as finings, under the cold condition of 40-60 DEG C, carry out clarifying treatment to sugaring mixing juice, its process method step is as follows:
1) described sugaring mixing juice is first heated to 40-60 DEG C, then adds phosphoric acid, and wherein phosphoric acid additional proportion is: 150-300mg phosphoric acid: 1kg mixing juice;
2) with milk of lime by step 1) pH value of juice after process is adjusted to 10.6-11.6;
3) by step 2) process after juice proceed in isothermal reaction groove, under the condition of 40-60 DEG C, react 10-15min;
4) to step 3) process after juice carry out centrifugation, rotating speed is 4000-4500r/min, centrifugation time 10-15min;
5) step 4 is taken out) the supernatant juice of gained, both obtained the subsider juice through clarifying treatment.
2. according to the defecation method of the sugaring mixing juice described in claim 1, it is characterized in that: described phosphoric acid is food grade phosphoric acid solution, the Zhi of phosphoric acid measures Bai Fen Bi≤85%.
3., according to the defecation method of the sugaring mixing juice described in claim 1, it is characterized in that: described milk of lime be food grade lime through slake gained, and the lime milk concentration after slake is 8-15 ° of B é.
4. the defecation method of sugaring mixing juice according to claim 1, is characterized in that: the reactive tank steam of isothermal reaction is incubated.
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| CN201510726586.4A CN105331750A (en) | 2015-10-30 | 2015-10-30 | Clarifying method for sugaring mixed juice |
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| CN201510726586.4A CN105331750A (en) | 2015-10-30 | 2015-10-30 | Clarifying method for sugaring mixed juice |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1356396A (en) * | 2001-12-11 | 2002-07-03 | 广西贵糖（集团）股份有限公司 | Process and equipment of rclarifying cane juice by low-temp phosphorus floatation |
| CN101082065A (en) * | 2006-06-02 | 2007-12-05 | 天津市汉沽区福祥肥料加工厂 | Decolourization method for producing sucrose mix juice |
| CN103160621A (en) * | 2013-03-29 | 2013-06-19 | 彭思云 | Grey phosphorus sink-and-float separation method of sugaring mixed juice |
| CN103173578A (en) * | 2013-03-15 | 2013-06-26 | 广西东糖投资有限公司 | Sugarcane juice clarifying method |
| CN103757142A (en) * | 2014-01-09 | 2014-04-30 | 广西都安永鑫糖业有限公司 | Method for producing original ecologic colored sugar product |
| CN103866052A (en) * | 2014-03-11 | 2014-06-18 | 广西大学 | Sulfur-free clarifying method for cane sugar manufacture |
| CN104805226A (en) * | 2015-04-27 | 2015-07-29 | 广西大学 | Sugar manufacture clarification process |
| CN104831002A (en) * | 2015-04-27 | 2015-08-12 | 广西大学 | Sugar production clarifying production line |
-
2015
- 2015-10-30 CN CN201510726586.4A patent/CN105331750A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1356396A (en) * | 2001-12-11 | 2002-07-03 | 广西贵糖（集团）股份有限公司 | Process and equipment of rclarifying cane juice by low-temp phosphorus floatation |
| CN101082065A (en) * | 2006-06-02 | 2007-12-05 | 天津市汉沽区福祥肥料加工厂 | Decolourization method for producing sucrose mix juice |
| CN103173578A (en) * | 2013-03-15 | 2013-06-26 | 广西东糖投资有限公司 | Sugarcane juice clarifying method |
| CN103160621A (en) * | 2013-03-29 | 2013-06-19 | 彭思云 | Grey phosphorus sink-and-float separation method of sugaring mixed juice |
| CN103757142A (en) * | 2014-01-09 | 2014-04-30 | 广西都安永鑫糖业有限公司 | Method for producing original ecologic colored sugar product |
| CN103866052A (en) * | 2014-03-11 | 2014-06-18 | 广西大学 | Sulfur-free clarifying method for cane sugar manufacture |
| CN104805226A (en) * | 2015-04-27 | 2015-07-29 | 广西大学 | Sugar manufacture clarification process |
| CN104831002A (en) * | 2015-04-27 | 2015-08-12 | 广西大学 | Sugar production clarifying production line |
Non-Patent Citations (2)
| Title |
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| 毛礼镭: "制糖工业的澄清原理和方法", 《化学世界》 * |
| 温德标 等: "甘蔗成分对制糖澄清影响研究", 《广西轻工业》 * |
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Application publication date: 20160217 |