CN1880487B - Process for reclaiming and extracting crystalline dextrose by recrystallization of mother liquor - Google Patents
Process for reclaiming and extracting crystalline dextrose by recrystallization of mother liquor Download PDFInfo
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- CN1880487B CN1880487B CN2005100438233A CN200510043823A CN1880487B CN 1880487 B CN1880487 B CN 1880487B CN 2005100438233 A CN2005100438233 A CN 2005100438233A CN 200510043823 A CN200510043823 A CN 200510043823A CN 1880487 B CN1880487 B CN 1880487B
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- mother liquor
- glucose
- recrystallization
- crystalline dextrose
- reclaiming
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Abstract
The invention discloses a recrystallizing, recycling and extracting to crystallize method of glucose for mother solution, which is characterized by the following: condensing the separated glucose mother liquid; cooling the mother liquid to recrytallize; recycling high-purity crystallizing glucose as raw material of culture base in the ferment manufacturing profession; improving DE value at over 99 percent.
Description
Invention field:
The invention belongs to corn deep processing comprehensive utilization field, the production method of design glucose, the specifically method of recovery glucose in mother liquor.
Background technology:
China is large agricultural country, and agricultural resource is abundant, and the ultimate production of main farm produce, commodity amount are all at the forefront in the world, so deep processing of farm products is big rising industry.
Corn is one of main food crop of human plantation, accounts for 1/4th of world food overall crop yield.Corn also is the main food crop kind of China, and ultimate production is only second to paddy and wheat, occupies the second place of the world.The anxious especially economic field leaved for development of its comprehensive process.
Corn has ripe soon, high yield, plantation area are wide, the starch-containing amount height of seed, by product is wide in variety, values is high, be easy to transport and storage, can annual processing etc. advantage.Therefore, countries in the world are all attached great importance to corn deep processing, and the corn of western countries more than 50% is used for production comprehensive process product, and are individual surplus kind has 4000.
The more direct effect of corn deep processing is the development of pulling agricultural industry chain, and corn resources development and use potentiality are very big, and its deep processing project is various, and is of many uses, and market capacity is big, the industry chain length, and development prospect is limitless.
W-Gum is after certain processing technique is handled, can be widely used in food, papermaking, weaving, medicine, chemical industry and related industries thereof, as beverage industries, confection industry, milk industry, meat processing, seasonings, nutrition pot foods, functional health-care food, zymin, various additives, Brewing industry and building coating, Di Kuang, petrochemical complex etc., purposes is very extensive, and its market outlook are very wide.
Crystalline dextrose behind Crystallization Separation glucose, can retain a large amount of mother liquors in producing, in these mother liquors, dry concentration is about 50%, and reducing sugar (DE value) content is about 86%, because this mother liquor dry concentration is low, very easily fermentation, storage period can not surpass two days later, and it contains moisture about 50% in addition, has limited way far away transportation, commodity value is extremely low, but become new pollution may be very big again.
Summary of the invention:
In order to solve the recycling and the handling problem of the glucose mother liquid behind the fractional crystallization, the inventor has proposed the method for reclaiming and extracting crystalline dextrose by recrystallization of mother liquor.
Technical solutions according to the invention are the glucose mother liquids behind the fractional crystallization that will reclaim, and concentrate, and concentrated mother liquor is cooled carry out recrystallization then, the highly purified crystalline dextrose product of recyclable extraction; Residual mother liquor (the DE value is reduced to below 80%) is also availablely joined Glucose Liquid and uses with returning after removal of impurities.
Adopt technical scheme of the present invention to reclaim and extract crystalline dextrose purity height, the DE value reaches more than 99%, can be used as the culture medium raw material of fermentative production industry, and its yield can reach 50～60% of glucose content in the mother liquor.
Embodiment:
Through a large amount of experiment sievings, determine that best-of-breed technology scheme of the present invention is as follows:
With the mother liquor behind the fractional crystallization glucose, send evaporation concentration in the quadruple effect evaporator, make dry concentration bring up to 78% by 50%, cool then to 45 ℃, promptly there is the crystalline dextrose crystallization to separate out, after 20 ℃, dry concentration reduces to 60%, and recrystallization process is finished.
Adopt the technical program, reclaim the crystalline dextrose product purity height that extracts, the DE value reaches 99%, and yield reaches 60% of sugared content in the mother liquor.
In 500T/d crystalline dextrose scale, after the enforcement technical solution of the present invention, can increase production 1.2 ten thousand tons/year of highly purified crystalline dextroses, press 2700 yuan/T of crystalline dextrose price, 1800 yuan/T of mother liquor price sugar calculates, and only this reclaims one, can increase by 1,080 ten thousand yuan of economic benefits every year.
Claims (1)
1. the method for a reclaiming and extracting crystalline dextrose by recrystallization of mother liquor, comprise that the glucose mother liquid behind the fractional crystallization that will reclaim concentrates, cool then and carry out recrystallization, reclaim and extract the crystalline dextrose product, it is characterized in that the mother liquor behind the fractional crystallization glucose, send evaporation concentration in the quadruple effect evaporator, make dry concentration bring up to 78% by 50%, cool then to 45 ℃, promptly have the crystalline dextrose crystallization to separate out, after 20 ℃, dry concentration reduces to 60%, recrystallization process is finished, and residual mother liquor is used for back joining Glucose Liquid to be used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100438233A CN1880487B (en) | 2005-06-13 | 2005-06-13 | Process for reclaiming and extracting crystalline dextrose by recrystallization of mother liquor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100438233A CN1880487B (en) | 2005-06-13 | 2005-06-13 | Process for reclaiming and extracting crystalline dextrose by recrystallization of mother liquor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1880487A CN1880487A (en) | 2006-12-20 |
| CN1880487B true CN1880487B (en) | 2011-03-16 |
Family
ID=37518839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005100438233A Expired - Fee Related CN1880487B (en) | 2005-06-13 | 2005-06-13 | Process for reclaiming and extracting crystalline dextrose by recrystallization of mother liquor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1880487B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102559943B (en) * | 2010-12-31 | 2014-02-12 | 北京化工大学 | Process method for separating glucose from ionic liquid |
| CN103865968B (en) * | 2012-12-16 | 2016-04-27 | 西王药业有限公司 | A kind of technique improving dextrose anhydrous and DEXTROSE MONOHYDRATE BP product quality |
| CN103450287B (en) * | 2013-09-24 | 2015-09-23 | 山东华义玉米科技有限公司 | A kind of glucose mother liquid recycling technique |
-
2005
- 2005-06-13 CN CN2005100438233A patent/CN1880487B/en not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| 章朝晖.葡萄糖母液的工业利用.化工生产与技术7 6.2000,7(6),32-35. |
| 章朝晖.葡萄糖母液的工业利用.化工生产与技术7 6.2000,7(6),32-35. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1880487A (en) | 2006-12-20 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20160613 |
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| CF01 | Termination of patent right due to non-payment of annual fee |