CN1888080A - Nanofiltering membrane process for treating glucose mother liquid and its application - Google Patents
Nanofiltering membrane process for treating glucose mother liquid and its application Download PDFInfo
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- CN1888080A CN1888080A CN 200610045540 CN200610045540A CN1888080A CN 1888080 A CN1888080 A CN 1888080A CN 200610045540 CN200610045540 CN 200610045540 CN 200610045540 A CN200610045540 A CN 200610045540A CN 1888080 A CN1888080 A CN 1888080A
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- glucose
- filtration unit
- nanofiltration membrane
- membrane filtration
- mother liquid
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Abstract
The present invention relates to glucose production technology, and is especially nanofiltering membrane process for treating glucose mother liquid and its application. Through determining temperature, pH value, membrane flux and other parameters, diluting glucose mother liquid with dry matter content of 50-60 % to 25-35 %, and filtering with nanofiltering membrane, the separated glucose and oligosaccharide solution are obtained. The said process can obtain high purity glucose and high content oligosaccharide.
Description
Technical field
The present invention relates to the glucose manufacture field, specifically utilize nanofiltration oligose in the glucose mother liquid and the isolating method of glucose.
Background technology
Glucose is the most general monose material and important Essential Chemistry pharmaceuticals, and one of main energy sources material of human body and animal extensively is used in industries such as food, medicine, chemistry.Get glucose mother liquid in a large number in the dextrose production process after the gelatinization of purified starch breast process, liquefaction, saccharification, overanxious decolouring, evaporation concentration, crystallization, the separation, mother liquor generally contain the dry amount about 50% wherein, glucose is about 78%, and disaccharides is about 13%, trisaccharide and above sugar about 4%.Therefore, except the glucose that contains more amount, also contain a large amount of oligose components in the mother liquor, oligose is good healthy food material.
At present, generally glucose mother liquid directly is used as the raw material of biological fermentation with lower sell at competitive or with mother liquor, sells the reduction that has caused economic benefit; As the raw material of fermentation, it contains a large amount of disaccharides, trisaccharide and oligose, and mostly microorganism can not utilize, and has caused the reduction of fermentation efficiency also to cause the waste of raw material.
Membrane sepn is the high and stable isolation technique of a kind of efficient.But the reverse osmosis membrane in the membrane filtration commonly used can only permeate water and minimum molecule because the aperture is little, can not be with the glucose in the glucose mother liquid and oligose separately; And the ultra-filtration membrane in the membrane filtration commonly used can not reach the purpose that it separates because the aperture conference sees through glucose in the glucose mother liquid and oligose together.
Summary of the invention
The method that the purpose of this invention is to provide a kind of nanofiltration membrane technical finesse glucose mother liquid, through repeatedly experiment is definite, can adopt the suitable nanofiltration membrane in aperture to separate, nanofiltration membrane is between reverse osmosis membrane and ultra-filtration membrane, can the isolated molecule amount at 300 to 1000 molecule, thereby the glucose in the crystalline dextrose mother liquor and maltose and other sugar are opened, to obtain highly purified glucose solution and oligosaccharide solution.
The present invention is to pass through the nanofiltration membrane filtration unit again after 50%～60% glucose mother liquid is diluted to 25～35% with dry, obtains isolating glucose solution and oligosaccharide solution.The nanofiltration membrane filtration unit is held back the oligose in the glucose mother liquid, and glucose can pass nanofiltration membrane, thereby reaches the purpose of separation and Extraction high purity glucose and functional oligose from mother liquor.
Described mother liquor after being diluted to dry and being 25～35%, is squeezed into the nanofiltration membrane filtration unit by pressure pump in storage tank, its feeding liquid pressure is 15～45Bar.The feeding liquid temperature that mother liquor enters the nanofiltration membrane filtration unit is 4～50 ℃.The feeding liquid PH that mother liquor enters the nanofiltration membrane filtration unit is 2～11.Mother liquor enters the membrane flux of nanofiltration device at 5～25kg/m
2/ h.
The oligosaccharide solution that this method obtains being trapped obtains malt syrup afterwards through decolouring and evaporation.
This method can obtain the glucose solution of purity more than 98%, and the high purity glucose solution is directly got back to the decolouring step of glucose production operation, and then by operations such as evaporation concentration, crystallizations, the yield of whole piece production glucose technology will improve like this.
After the present invention adopts nanofiltration to handle, can obtain highly purified glucose component and the component that is rich in the high-content oligose.Highly purified glucose component can be used for crystallization, to improve the yield of glucose.The oligose component can be used as malt syrup and sells, and has improved value-added content of product and class.
Embodiment
Embodiment 1
Will be after diluting dry be 30% glucose mother liquid through the nanofiltration membrane filtration unit, obtain isolating glucose solution and oligosaccharide solution.Described mother liquor is squeezed into the nanofiltration membrane filtration unit by pressure pump in storage tank, its feeding liquid pressure is 35Bar.Mother liquor enter the nanofiltration membrane filtration unit the feeding liquid temperature be 45 ℃.The feeding liquid PH that mother liquor enters the nanofiltration membrane filtration unit is 5.The membrane flux that mother liquor enters nanofiltration device is 12.7kg/m
2/ h gets purity and gets glucose dialysis more than 98% after the nanofiltration.
Embodiment 2
Will be after diluting dry be 28% glucose mother liquid through the nanofiltration membrane filtration unit, obtain isolating glucose solution and oligosaccharide solution.Described mother liquor is squeezed into the nanofiltration membrane filtration unit by pressure pump in storage tank, its feeding liquid pressure is 32Bar.The feeding liquid temperature that mother liquor enters the nanofiltration membrane filtration unit is 42 ℃.Mother liquor enter the nanofiltration membrane filtration unit feeding liquid PH be 8.The membrane flux that mother liquor enters nanofiltration device is 12.9kg/m
2/ h gets purity and gets glucose dialysis more than 98% after the nanofiltration.
Embodiment 3
Will be after diluting dry be 26% glucose mother liquid through the nanofiltration membrane filtration unit, obtain isolating glucose solution and oligosaccharide solution.Described mother liquor is squeezed into the nanofiltration membrane filtration unit by pressure pump in storage tank, its feeding liquid pressure is 45Bar.The feeding liquid temperature that mother liquor enters the nanofiltration membrane filtration unit is 45 ℃.The feeding liquid PH that mother liquor enters the nanofiltration membrane filtration unit is 2.The membrane flux that mother liquor enters nanofiltration device is 13.5kg/m
2/ h gets purity and gets glucose dialysis more than 98% after the nanofiltration.
Embodiment 4
Will be after diluting dry be 25% glucose mother liquid through the nanofiltration membrane filtration unit, obtain isolating glucose solution and oligosaccharide solution.Described mother liquor is squeezed into the nanofiltration membrane filtration unit by pressure pump in storage tank, its feeding liquid pressure is 15Bar.The feeding liquid temperature that mother liquor enters the nanofiltration membrane filtration unit is 43 ℃.The feeding liquid PH that mother liquor enters the nanofiltration membrane filtration unit is 11.The membrane flux that mother liquor enters nanofiltration device is 13.7kg/m
2/ h gets purity and gets glucose dialysis more than 98% after the nanofiltration.
Embodiment 5
Will be after diluting dry be 35% glucose mother liquid through the nanofiltration membrane filtration unit, obtain isolating glucose solution and oligosaccharide solution.Described mother liquor is squeezed into the nanofiltration membrane filtration unit by pressure pump in storage tank, its feeding liquid pressure is 42Bar.The feeding liquid temperature that mother liquor enters the nanofiltration membrane filtration unit is 43 ℃.Mother liquor enter the nanofiltration membrane filtration unit feeding liquid PH be 11.The membrane flux that mother liquor enters nanofiltration device is 12.0kg/m
2/ h gets purity and gets glucose dialysis more than 98% after the nanofiltration.
Embodiment 6
The oligosaccharide solution that embodiment 1～4 method obtains being trapped obtains malt syrup afterwards through decolouring and evaporation, is used for industries such as food, chemical industry, pharmacy, feed.
Embodiment 7
The oligosaccharide solution that embodiment 1～4 method obtains being trapped obtains malt syrup afterwards through decolouring and evaporation, and malt syrup is refluxed saccharification to produce crystalline dextrose.
Embodiment 8
The glucose solution that embodiment 1～4 method gets is directly got back to the decolouring step of glucose production operation, passes through operations such as evaporation concentration, crystallization then, produces the yield of glucose technology to improve whole piece.
Claims (7)
1. the method for nanofiltration membrane technical finesse glucose mother liquid is characterized in that with dry being to pass through the nanofiltration membrane filtration unit again after 50～60% glucose mother liquids are diluted to 25～35%, obtains isolating glucose solution and oligosaccharide solution.
2. method as claimed in claim 1 is characterized in that described glucose mother liquid in storage tank, squeezes into the nanofiltration membrane filtration unit by pressure pump after diluting, and its feeding liquid pressure is 15～45Bar.
3. as the method for claim 1 or 2, it is characterized in that the feeding liquid temperature that described glucose mother liquid enters the nanofiltration membrane filtration unit is 4 ℃～50 ℃.
4. as the method for claim 1 or 2, it is characterized in that the feeding liquid PH that described glucose mother liquid enters the nanofiltration membrane filtration unit is 2～11.
5. as the method for claim 1 or 2, it is characterized in that described glucose mother liquid enters the membrane flux of nanofiltration device at 5～25kg/m
2/ h.
6. an application rights requires the application of 1 method products therefrom, it is characterized in that described oligosaccharide solution obtains malt syrup through after decolouring and the evaporation.
7. an application rights requires the application of 1 method products therefrom, it is characterized in that described glucose solution directly gets back to the decolouring step of glucose production operation, passes through operations such as evaporation concentration, crystallization then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610045540 CN1888080A (en) | 2006-07-21 | 2006-07-21 | Nanofiltering membrane process for treating glucose mother liquid and its application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610045540 CN1888080A (en) | 2006-07-21 | 2006-07-21 | Nanofiltering membrane process for treating glucose mother liquid and its application |
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| CN1888080A true CN1888080A (en) | 2007-01-03 |
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| CN 200610045540 Pending CN1888080A (en) | 2006-07-21 | 2006-07-21 | Nanofiltering membrane process for treating glucose mother liquid and its application |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475611B (en) * | 2008-11-20 | 2011-05-11 | 浙江海力生制药有限公司 | Method for preparing high-purity aminoglucose hydrochloride |
| CN107574267A (en) * | 2017-10-13 | 2018-01-12 | 江苏久吾高科技股份有限公司 | A kind of production method and device of high-purity liquid glucose |
| CN110846359A (en) * | 2019-09-12 | 2020-02-28 | 赵兰坤 | Production method of edible glucose |
| US11198702B2 (en) | 2016-02-04 | 2021-12-14 | Industrial Technology Research Institute | Method for separating hydrolyzed product of biomass |
-
2006
- 2006-07-21 CN CN 200610045540 patent/CN1888080A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475611B (en) * | 2008-11-20 | 2011-05-11 | 浙江海力生制药有限公司 | Method for preparing high-purity aminoglucose hydrochloride |
| US11198702B2 (en) | 2016-02-04 | 2021-12-14 | Industrial Technology Research Institute | Method for separating hydrolyzed product of biomass |
| CN107574267A (en) * | 2017-10-13 | 2018-01-12 | 江苏久吾高科技股份有限公司 | A kind of production method and device of high-purity liquid glucose |
| CN110846359A (en) * | 2019-09-12 | 2020-02-28 | 赵兰坤 | Production method of edible glucose |
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