CN110042177A - A kind of hydrolysis of hemicellulose prepares the method and system of xylose - Google Patents
A kind of hydrolysis of hemicellulose prepares the method and system of xylose Download PDFInfo
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- CN110042177A CN110042177A CN201910381083.6A CN201910381083A CN110042177A CN 110042177 A CN110042177 A CN 110042177A CN 201910381083 A CN201910381083 A CN 201910381083A CN 110042177 A CN110042177 A CN 110042177A
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- CN
- China
- Prior art keywords
- hydrolysis
- hemicellulose
- xylose
- product
- prepares xylose
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13K—SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES
- C13K13/00—Sugars not otherwise provided for in this class
- C13K13/002—Xylose
Abstract
The embodiment of the invention discloses the method and system that a kind of hydrolysis of hemicellulose prepares xylose, the method that the hydrolysis of hemicellulose prepares xylose, including crushing material, hydrolysis, decoloration, removal of impurities, crystallization, centrifugation and drying.Broken material is sent into Steam explosive machine by the method that hydrolysis of hemicellulose provided in an embodiment of the present invention prepares xylose, in 0.1-2MPa pressure limit, material is produced with 1/100 second time instant, hemicellulose can resolve into the monosaccharide of heterogeneity and the mixture of polysaccharide, biological enzyme is added thereto again, integrated artistic is simple, energy consumption is few, while improving the transformation efficiency of xylose, yield is improved, process flow is shortened.The embodiment of the present invention also provides a kind of system for preparing xylose method applied to hydrolysis of hemicellulose, can be realized intelligent production, further improves production efficiency.
Description
Technical field
The present embodiments relate to plant biotechnology fields, and in particular to a kind of hydrolysis of hemicellulose prepares the side of xylose
Method and system.
Background technique
Xylose is a kind of naturally occurring pentose, is present in plant with polycondensation state.Finished product xylose be white crystals or
Crystalline powder, it is soluble easily in water.Xylose, which has, is not digested absorption, without energy value；Bifidobacterium Bifidum in activating human body enteron aisle
And promote its growth；It is not utilized by Institute of Micro-biology in oral cavity, has the part physiological function of dietary fiber, serum cholesterol can be reduced
Prevention intestinal cancer etc.；Xylose is taken in simultaneously with calcium, and human body can be improved to the absorptivity and retention rate of calcium；Constipation etc. can be prevented more
Kind physiological function.Xylose is widely used in manufacture xylitol；Food, beverage；Feed for pet；Baked goods；High-grade color of soy sauce；Gently
Work, chemical industry etc..The xylitol especially manufactured using xylose as raw material because of its sugar-free, has mouthfeel similar with sucrose and sweet tea
Degree does not influence blood glucose value, can be widely used by many physiological functions such as diabetes, bariatric patients are edible.
Technological process of production length, the complex process of existing xylose, energy consumption is high, makes troubles to the production of people.
Summary of the invention
For this purpose, the embodiment of the present invention provides the method and system that a kind of hydrolysis of hemicellulose prepares xylose, it is existing to solve
Technological process of production length, the complex process of xylose, the high problem of energy consumption in technology.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
According to a first aspect of the embodiments of the present invention, a kind of method that hydrolysis of hemicellulose prepares xylose, including following step
It is rapid:
Step 1: choosing material, and by crushing material, smashed material is subjected to steam explosion processing, it is spare；
Step 2: steam explosion treated material is sent into hydrolytic decomposition pot, biological enzyme is added in hydrolytic decomposition pot and water carries out water
Solution reaction, collects product after reaction；
Step 3: the product that step 2 is collected carries out decolorization, impurity is removed later, it is spare；
Step 4: step 3 to be removed to the product decrease temperature crystalline after impurity, it is centrifuged later, collects sediment, will sink
The xylose is obtained after starch is dry.
Further, the partial size after the crushing material is 5-6mm.
Further, it is handled in smashed material feeding Steam explosive machine in step 1, and the pressure of Steam explosive machine is
2MPa, dwell time 2min.
Further, the volume ratio of the biological enzyme and water that are added in step 2 is 1:8.
Further, for the product that step 2 is collected through active carbon decoloring, the additional amount of active carbon is the production that step 2 is collected
The 3% of amount of substance.
Further, the product after decolourizing in step 3 is handled through ion-exchange unit to remove impurity.
Further, the sediment in step 4, which enters in fluidized bed, is dried.
Further, the step four further includes that the sediment after drying carries out finished product packing.
According to a second aspect of the embodiments of the present invention, one kind is provided and prepares xylose method applied to the hydrolysis of hemicellulose
Control system, including grinding device, Steam explosive machine, hydrolytic decomposition pot, decoloration device, ion-exchange unit, crystallizer, centrifuge, stream
Change bed, finished product packing equipment and central control system, material successively through grinding device, Steam explosive machine, hydrolytic decomposition pot, decoloration device, from
Sub- switching equipment, crystallizer, centrifuge, fluidized bed and finished product packing equipment are handled, the central control system control
Grinding device, Steam explosive machine, hydrolytic decomposition pot, decoloration device, ion-exchange unit, crystallizer, centrifuge, fluidized bed and finished product packing are set
Standby unlatching/closing.
The embodiment of the present invention has the advantages that the embodiment of the present invention provides the side that a kind of hydrolysis of hemicellulose prepares xylose
Broken material is sent into Steam explosive machine by method and system, the method that hydrolysis of hemicellulose provided in an embodiment of the present invention prepares xylose
In, in 0.1-2MPa pressure limit, material was produced with 1/100 second time instant, hemicellulose can resolve into heterogeneity
Monosaccharide and polysaccharide mixture, then biological enzyme is added thereto, integrated artistic is simple, energy consumption is few, while improving wood
The transformation efficiency of sugar, improves yield, shortens process flow.The embodiment of the present invention also provides a kind of applied to hemicellulose water
The system that solution prepares xylose method can be realized intelligent production, further improve production efficiency.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Fig. 1 is the process flow chart that a kind of hydrolysis of hemicellulose that the embodiment of the present invention 1 provides prepares xylose.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Embodiment 1
The present embodiment provides a kind of methods that hydrolysis of hemicellulose prepares xylose, comprising the following steps:
Step 1: choosing material, and by crushing material, smashed material is subjected to steam explosion processing, it is spare；
Step 2: steam explosion treated material is sent into hydrolytic decomposition pot, biological enzyme is added in hydrolytic decomposition pot and water carries out water
Solution reaction, collects product after reaction；
Step 3: the product that step 2 is collected carries out decolorization, impurity is removed later, it is spare；
Step 4: step 3 to be removed to the product decrease temperature crystalline after impurity, it is centrifuged later, collects sediment, will sink
The xylose is obtained after starch is dry.
Preferably, the partial size after the crushing material is 5-6mm, but not limited to this.
Preferably, it is handled in smashed material feeding Steam explosive machine in step 1, and the pressure of Steam explosive machine is 2MPa,
Dwell time is 2min.
Preferably, the volume ratio of the biological enzyme and water that are added in step 2 is 1:8, and the product that step 2 is collected is through active carbon
Decoloration, the additional amount of active carbon are the 3% of the product quality that step 2 is collected.
Preferably, the product after decolourizing in step 3 is handled through ion-exchange unit to remove impurity.
Preferably, the sediment in step 4, which enters in fluidized bed, is dried, and the step four further includes that will dry
Sediment afterwards carries out finished product packing.
Broken material is sent into Steam explosive machine by the method that hydrolysis of hemicellulose provided in this embodiment prepares xylose,
In 0.1-2MPa pressure limit, material was produced with 1/100 second time instant, hemicellulose can resolve into the list of heterogeneity
The mixture of sugar and polysaccharide, then biological enzyme is added thereto, integrated artistic is simple, energy consumption is few, while improving xylose
Transformation efficiency improves yield, shortens process flow.
Embodiment 2
The present embodiment provides a kind of control systems that xylose method is prepared applied to the hydrolysis of hemicellulose, including crush
Device, Steam explosive machine, hydrolytic decomposition pot, decoloration device, ion-exchange unit, crystallizer, centrifuge, fluidized bed, finished product packing equipment and
Central control system, material successively through grinding device, Steam explosive machine, hydrolytic decomposition pot, decoloration device, ion-exchange unit, crystallizer, from
Scheming, fluidized bed and finished product packing equipment are handled, and the central control system controls grinding device, Steam explosive machine, hydrolysis
Unlatching/closing of tank, decoloration device, ion-exchange unit, crystallizer, centrifuge, fluidized bed and finished product packing equipment.
The system provided in this embodiment for preparing xylose method applied to hydrolysis of hemicellulose, can be realized intelligent metaplasia
It produces, further improves production efficiency.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (9)
1. a kind of method that hydrolysis of hemicellulose prepares xylose, which comprises the following steps:
Step 1: choosing material, and by crushing material, smashed material is subjected to steam explosion processing, it is spare；
Step 2: steam explosion treated material is sent into hydrolytic decomposition pot, biological enzyme is added in hydrolytic decomposition pot and water is hydrolyzed instead
It answers, collects product after reaction；
Step 3: the product that step 2 is collected carries out decolorization, impurity is removed later, it is spare；
Step 4: step 3 to be removed to the product decrease temperature crystalline after impurity, it is centrifuged later, sediment is collected, by sediment
The xylose is obtained after drying.
2. the method that hydrolysis of hemicellulose prepares xylose according to claim 1, it is characterised in that: after the crushing material
Partial size is 5-6mm.
3. the method that hydrolysis of hemicellulose prepares xylose according to claim 1, it is characterised in that: smashed in step 1
Material is sent into Steam explosive machine and is handled, and the pressure of Steam explosive machine is 2MPa, dwell time 2min.
4. the method that hydrolysis of hemicellulose prepares xylose according to claim 1, it is characterised in that: the life being added in step 2
The volume ratio of object enzyme and water is 1:8.
5. the method that hydrolysis of hemicellulose prepares xylose according to claim 1, it is characterised in that: the product that step 2 is collected
Through active carbon decoloring, the additional amount of active carbon is the 3% of the product quality that step 2 is collected.
6. the method that hydrolysis of hemicellulose prepares xylose according to claim 1, it is characterised in that: after decolourizing in step 3
Product is handled through ion-exchange unit to remove impurity.
7. the method that hydrolysis of hemicellulose prepares xylose according to claim 1, it is characterised in that: the sediment in step 4
Into being dried in fluidized bed.
8. the method that hydrolysis of hemicellulose prepares xylose according to claim 1, it is characterised in that: the step four is also wrapped
It includes and the sediment after drying is subjected to finished product packing.
9. the control system that one kind is applied to any one of claim 1-8 the method, it is characterised in that: filled including crushing
Set, Steam explosive machine, hydrolytic decomposition pot, decoloration device, ion-exchange unit, crystallizer, centrifuge, fluidized bed, finished product packing equipment and in
Pivot control system, material is successively through grinding device, Steam explosive machine, hydrolytic decomposition pot, decoloration device, ion-exchange unit, crystallizer, centrifugation
Machine, fluidized bed and finished product packing equipment are handled, the described central control system control grinding device, Steam explosive machine, hydrolytic decomposition pot,
Unlatching/closing of decoloration device, ion-exchange unit, crystallizer, centrifuge, fluidized bed and finished product packing equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910381083.6A CN110042177A (en) | 2019-05-08 | 2019-05-08 | A kind of hydrolysis of hemicellulose prepares the method and system of xylose |
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| CN201910381083.6A CN110042177A (en) | 2019-05-08 | 2019-05-08 | A kind of hydrolysis of hemicellulose prepares the method and system of xylose |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1804025A (en) * | 2005-12-09 | 2006-07-19 | 山东省中协食品添加剂研究开发中心 | Production method for xylose by enzyme process |
| CN1884569A (en) * | 2006-05-19 | 2006-12-27 | 南京师范大学 | Xylose enzyme method preparing method |
| CN104498559A (en) * | 2014-11-28 | 2015-04-08 | 山东福田药业有限公司 | Clean production process of xylose |
| CN106498001A (en) * | 2016-10-18 | 2017-03-15 | 山东福田药业有限公司 | A kind of improved clean manufacturing xylose process |
-
2019
- 2019-05-08 CN CN201910381083.6A patent/CN110042177A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1804025A (en) * | 2005-12-09 | 2006-07-19 | 山东省中协食品添加剂研究开发中心 | Production method for xylose by enzyme process |
| CN1884569A (en) * | 2006-05-19 | 2006-12-27 | 南京师范大学 | Xylose enzyme method preparing method |
| CN104498559A (en) * | 2014-11-28 | 2015-04-08 | 山东福田药业有限公司 | Clean production process of xylose |
| CN106498001A (en) * | 2016-10-18 | 2017-03-15 | 山东福田药业有限公司 | A kind of improved clean manufacturing xylose process |
Non-Patent Citations (2)
| Title |
|---|
| 王风芹等: "木质纤维素水解糖制取的研究进展", 《纤维素科学与技术》 * |
| 魏承厚等: "木糖制备技术研究进展", 《广西轻工业》 * |
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