CN105153244B - A method of it is produced from dextran macromolecular 1000 and extracts sugar juice in waste liquid - Google Patents
A method of it is produced from dextran macromolecular 1000 and extracts sugar juice in waste liquid Download PDFInfo
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- CN105153244B CN105153244B CN201510471430.6A CN201510471430A CN105153244B CN 105153244 B CN105153244 B CN 105153244B CN 201510471430 A CN201510471430 A CN 201510471430A CN 105153244 B CN105153244 B CN 105153244B
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Abstract
The invention discloses a kind of methods for being produced from dextran macromolecular 1000 and extracting sugar juice in waste liquid, dextran macromolecular 1000 will first be produced waste liquid and squeeze into holding vessel by this method, calcium hydroxide precipitation is added, afterwards with pump through filter, by feed liquid squeeze into reverse osmosis membrane circulating tank carry out it is reverse osmosis, it is reverse osmosis after feed liquid by triple effect charging, to one effect, two effect discharging in the way of into Three-effect concentration device concentrate after obtain the liquid glucose of content of reducing sugar 20 50%.This method carries out deimpurity be further processed by decontamination, reverse osmosis, triple effect processing to waste liquid, obtain the liquid glucose of content of reducing sugar 20 50%, it is used as the replacement liquid of glucose in can replacing using glucose as the fermenting and producing of raw material, can also be used as sewage disposal enterprise sewage process addition carbon source replaces substance, turn waste into wealth, reduce the production waste discharge capacity of dextran macromolecular 1000, it is more environmentally-friendly, and improve the economic benefit of company.
Description
Technical field
The present invention relates to microbial fermentations and biopharmaceutical technology, and in particular to a kind of from dextran macromolecular
The method that sugar juice is extracted in 1000 production waste liquids.
Background technology
Dextran is a kind of nontoxic macromolecule glucose polymer formed by several gluconate dehydratases, is generation
The upper first industrial microbial polysaccharide in boundary is a kind of excellent blood substitutes for using and gaining public acceptance earliest,
Medicine, food and oil etc., which suffer from, to be widely applied.At present the country dextran production technology in be all with sucrose,
Peptone etc. is that raw material obtains macromolecule glucose polymer through strain fermentation or biological enzymatic synthesis, using subsequent refined place
Reason obtains the dextran product of different molecular weight.And sucrose is the disaccharide containing an one's share of expenses for a joint undertaking glucose and an one's share of expenses for a joint undertaking fructose, it is right
Glucose therein is only utilized mostly in the sugared acid anhydride production of rotation, so containing a large amount of unemployed fructose etc. in the mother liquor of production
Useful ingredient.At present the technique of domestic production dextran be for mother liquor processing it is undesirable, mostly by the mother liquor of generation
Waste water is directly discharged into company's sewage disposal system, qualified discharge after processing is qualified.Although also there is extraction fructose, make complex enzyme for feed
The research of preparation etc., but practicability is not strong, input is big, and output is few, can not promote and apply on a large scale.And directly by mother liquor
Waste water is directly discharged into company's sewage disposal system processing, the wasting of resources is not only caused, but also increase environmental protection treatment expense, to enterprise
For be not optimal selection.Therefore, seek a kind of ideal utilization of the effective production of dextran macromolecular 1000 waste liquid
Method is the urgent problem to be solved faced in industry.
Invention content
In order to solve above the problems of the prior art, proposing for the invention is a kind of from dextran macromolecular
The method that sugar juice is extracted in 1000 production waste liquids, this method clean to waste liquid by decontamination, reverse osmosis, triple effect processing
Matter is further processed, and obtains the liquid glucose of content of reducing sugar 20-50%, can be replaced using glucose as in the fermenting and producing of raw material
Replacement liquid as glucose uses, and can also be used as the substance that replaces that carbon source is added in sewage disposal enterprise sewage process, and change is useless
For treasured, reduce the production waste discharge capacity of dextran macromolecular 1000, it is more environmentally-friendly,
And improve the economic benefit of company.
The technical solution adopted by the present invention is that：
A method of it is produced from dextran macromolecular 1000 and extracts sugar juice in waste liquid, its step are as follows：
（1）The production waste liquid of dextran macromolecular 1000 is squeezed into holding vessel, is added according to the 0.01-0.02% of material liquid volume
Enter calcium hydroxide, be sufficiently mixed 10-15min, precipitates 1-2h；
（2）Feed liquid is squeezed into reverse osmosis membrane circulating tank, controls reverse osmosis membrane circulating tank import through filter with pump after precipitation
Pressure 1.5-2.5Mpa, outlet pressure 1.0-2.0Mpa, 30-40 DEG C of operating temperature.
（3）Feed liquid keeps three into Three-effect concentration device in the way of triple effect charging, to an effect, two effect dischargings after reverse osmosis
Imitate 68-65 DEG C of temperature, vacuum degree -0.03-0.05Mpa, 55-50 DEG C of a temperature of effect, vacuum degree -0.06-0.07Mpa, two effect temperature
40-50 DEG C of degree, vacuum degree -0.08-0.09Mpa obtains the liquid glucose of content of reducing sugar 20-50% after being concentrated by Three-effect concentration device.
Pass through step above（1）The concentration of reduced sugar in waste liquid is obtained afterwards in 1.5-2.0%.
Pass through step above（2）Concentration of reduced sugar 11-12% after reverse osmosis concentration processing.
Above step（3）Into charging rate control when Three-effect concentration device, in 1-3m3/h, charging rate size depends on middle feed liquid
It is limited in the evaporation capacity of Three-effect concentration device, when charging rate is more than evaporation capacity, the product in feed liquid cannot just concentrate, product
Content is too low.Speed is such as fed to too low, by evaporation, feed liquid concentration ratio is excessive, and concentration is too high, can block the row of inspissator
Pipe causes the reduction of equipment evaporation capacity, damages equipment.
Above step（2）Middle reverse osmosis membrane circulating tank inlet outlet pressure differential is less than 0.040Mpa, illustrates to carry on the back as pressure difference becomes larger
Pressure gradually becomes smaller, and liquid throughput gradually becomes smaller, and reverse osmosis membrane gradually blocks, and can be caused to damage to film core when more than 0.040Mpa
Wound can cause product quality unqualified if film core damages.
The above-described Three-effect concentration device is equipped with condensing hot air furnace pipe, is generated in recycling triple effect concentration process cold
Condensate.
Above step（2）It needs to clean membranous system with purge tank after middle reverse osmosis membrane circulating tank operation 48h, clean
After to circulating tank, that 45-50 DEG C of purified water of reverse osmosis membrane system recycles the sterilizing of 2-3h low-temperature circulatings is primary.
It is using biological enzyme as enzyme medium controlled syntheses macromolecule glucose polymerisation that dextran macromolecular 1000, which produces waste liquid,
Object obtains the waste liquid that the technique of dextran macromolecular 1000 generates by centrifugation, film concentration, spray drying refinement treatment.
Triple effect processing mainly determines that concentration time, principle are that primary concentration finishes storage tank according to the feed liquid quantity in storage tank
Interior whole materials control the reduction of two effects by feed liquid flow, steam in target product operating process into vapour size, vacuum degree
Sugared content.State modulator is that pol refractometer quickly detects in a handheld, is transported in inspissator when bringing into operation undesirable
Row, changing valve when meeting the requirements makes material enter certified products tank, the final data of liquid sugared content, mainly according to the need of client
It asks, any one parameter point below 50% can control, mainly the quick detected value of pol refractometer in a handheld, adjustment
Relationship between feed rate, steam flow rate.Content of reducing sugar is more than 50% and is easy to block the tubulation inside inspissator, influences to steam
Hair amount needs specialized company to carry out dredging cleaning, influences service life of equipment after blocking seriously.
Beneficial effects of the present invention are：This method during calcium hydroxide is added, magnesium, phosphorus, potassium, manganese in waste liquid from
Son forms insoluble matters or the micro dissolution substances such as calcium phosphate, magnesium phosphate with calcium hydroxide reaction, will be female to form sediment
The removals such as the phosphonium ion being unfavorable in biofermentation industry, magnesium ion, acid ion in liquid, raw sugar concentration are improved to 1.5-
2.0%, concentration of reduced sugar in feed liquid is improved to 11-12% by reverse osmosis membrane circulating tank reverse-osmosis treated, is handled by triple effect
Concentration of reduced sugar in feed liquid is improved to 20-50%.The liquid glucose of obtained 20-50% can be replaced using glucose as the fermentation of raw material
Replacement liquid in production as glucose uses, and can also be used as the sub that carbon source is added in sewage disposal enterprise sewage process
Matter turns waste into wealth, and eliminates traditional sewage disposal process, reduces cost of sewage disposal, reduces dextran macromolecular
1000 production waste discharge capacity, it is more environmentally-friendly, and the liquid glucose for the 20-50% that can be utilized again has been obtained, it can be according to different need
It asks, handles to various concentration, improve the economic benefit of company；Recycling condensing water in triple effect processing is mainly used for synthesizing dispensing,
It clears out a gathering place with water, reduction tap water usage amount.And the technique use cost is low, practical application effect is good, convenient for pushing away on a large scale
Wide application.
Originally mother liquor needs all to be discharged into sewage disposal system, COD contents about 45000 or so, mainly fructose, reduction
Sugar, qualified discharge after being handled.After this process, membranous system is discharged into the water COD contents of sewage disposal system
About 2000 or so, the condensed water fully recovering that inspissator generates, COD contents only have original 4.5% or so, mitigate sewage pressure
Power 95% reduces sewage disposal operating cost, proper amount of carbon source in sewage disposal process, using the existence of sludge strain in the ponds A/O,
Improve treatment effect.
Description of the drawings
Fig. 1 is the examination and test of products report scan part of lot number 150401.
Fig. 2 is the examination and test of products report scan part of lot number 150402.
Fig. 3 is the examination and test of products report scan part of lot number 150403.
Specific implementation mode
For that can understand the technical characterstic for illustrating the present invention program, the present invention is carried out with reference to specific embodiment further
It illustrates, but protection domain is not restricted to embodiment, the scope of the present invention is subject to claims.
Embodiment
（1）Biological Enzyme optrode production dextran macromolecular 1000 is generated into waste liquid and squeezes into holding vessel, according to feed liquid body
Calcium hydroxide is added in long-pending 0.01-0.02%, is sufficiently mixed 10-15min, precipitates 1-2h, the concentration of reduced sugar in waste liquid is in 1.5-
2.0%；
（2）Feed liquid is squeezed into reverse osmosis membrane circulating tank, controls reverse osmosis membrane circulating tank import through filter with pump after precipitation
Pressure 1.5-2.5Mpa, outlet pressure 1.0-2.0Mpa, 30-40 DEG C of operating temperature, reverse osmosis membrane circulating tank inlet outlet pressure differential are small
The concentration of reduced sugar 11-12% after 0.040Mpa, reverse osmosis concentration processing
（3）After reverse osmosis feed liquid in the way of triple effect charging, to an effect, two effect dischargings into Three-effect concentration device, feed liquid into
Charging rate control is in 1-3m3/h when Three-effect concentration device, keeps 68-65 DEG C of triple effect temperature, vacuum degree -0.03-0.05Mpa, and one
Imitate 55-50 DEG C of temperature, vacuum degree -0.06-0.07Mpa, two 40-50 DEG C of temperature of effect, vacuum degree -0.08-0.09Mpa, by triple effect
The liquid glucose of content of reducing sugar 20-50% is obtained after inspissator concentration.
By handling three batches above（Lot number 150401）\（Lot number 150402）\（Lot number 150403）Obtain the property of liquid glucose
Energy index is as follows：
By the above index it is found that the obtained liquid glucose index of the method for the present invention is excellent, meet product requirement.
Claims (3)
1. a kind of producing the method for extracting sugar juice in waste liquid from dextran macromolecular 1000, it is characterised in that steps are as follows：
（1）The production waste liquid of dextran macromolecular 1000 is squeezed into holding vessel, hydrogen is added according to the 0.01-0.02% of material liquid volume
Calcium oxide is sufficiently mixed 10-15min, precipitates 1-2h, obtains the concentration of reduced sugar in waste liquid in 1.5-2.0%；
（2）Feed liquid is squeezed into reverse osmosis membrane circulating tank, controls reverse osmosis membrane circulating tank inlet pressure through filter with pump after precipitation
1.5-2.5Mpa, outlet pressure 1.0-2.0Mpa, reverse osmosis membrane circulating tank inlet outlet pressure differential are less than 0.040Mpa, operating temperature
30-40 DEG C, by step（2）Concentration of reduced sugar 11-12% after reverse osmosis concentration processing；
（3）Feed liquid keeps triple effect temperature into Three-effect concentration device in the way of triple effect charging, to an effect, two effect dischargings after reverse osmosis
68-65 DEG C of degree, vacuum degree -0.03-0.05Mpa, 55-50 DEG C of a temperature of effect, vacuum degree -0.06-0.07Mpa, two effect temperature 40-
50 DEG C, vacuum degree -0.08-0.09Mpa, charging rate is controlled in 1-3m3/h, is obtained as needed after being concentrated by Three-effect concentration device
The liquid glucose of content of reducing sugar 20-50%；
The Three-effect concentration device is equipped with condensing hot air furnace pipe, recycles the condensed water generated in triple effect concentration process.
2. a kind of method producing extraction sugar juice in waste liquid from dextran macromolecular 1000 as described in claim 1,
It is characterized in that：Step（2）It needs to clean membranous system with purge tank after middle reverse osmosis membrane circulating tank operation 48h, clean
The sterilizing of 2-3h low-temperature circulatings is recycled once to 45-50 DEG C of circulating tank, reverse osmosis membrane system purified water after finishing.
3. a kind of method producing extraction sugar juice in waste liquid from dextran macromolecular 1000 as described in claim 1,
It is characterized in that：It is using biological enzyme as enzyme medium controlled syntheses macromolecule grape that the dextran macromolecular 1000, which produces waste liquid,
Glycopolymers obtain the useless of the technique generation of dextran macromolecular 1000 by centrifugation, film concentration, spray drying refinement treatment
Liquid.
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| CN105153244B true CN105153244B (en) | 2018-10-09 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177643A (en) * | 1996-09-24 | 1998-04-01 | 刘承明 | Process for separating effective component from dextran side-product |
| CN101205256A (en) * | 2006-12-20 | 2008-06-25 | 上海华茂药业有限公司 | Dextran 5 and production technique thereof |
| CN101205258A (en) * | 2006-12-20 | 2008-06-25 | 上海华茂药业有限公司 | Dextran 100 and production technique thereof |
| CN101205257A (en) * | 2006-12-20 | 2008-06-25 | 上海华茂药业有限公司 | Dextran 10 and production technique thereof |
| CN101381715A (en) * | 2008-10-29 | 2009-03-11 | 李耀亭 | Feeding complex enzyme preparation by fermentation of dextran waste liquor |
| CN103205513A (en) * | 2012-09-07 | 2013-07-17 | 上海华茂药业有限公司 | Extraction method for fructose from waste dextran fermentation broth |
| WO2014018479A1 (en) * | 2012-07-23 | 2014-01-30 | Butamax Advanced Biofuels Llc | Processes and systems for the production of fermentation products |
-
2015
- 2015-08-04 CN CN201510471430.6A patent/CN105153244B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177643A (en) * | 1996-09-24 | 1998-04-01 | 刘承明 | Process for separating effective component from dextran side-product |
| CN101205256A (en) * | 2006-12-20 | 2008-06-25 | 上海华茂药业有限公司 | Dextran 5 and production technique thereof |
| CN101205258A (en) * | 2006-12-20 | 2008-06-25 | 上海华茂药业有限公司 | Dextran 100 and production technique thereof |
| CN101205257A (en) * | 2006-12-20 | 2008-06-25 | 上海华茂药业有限公司 | Dextran 10 and production technique thereof |
| CN101381715A (en) * | 2008-10-29 | 2009-03-11 | 李耀亭 | Feeding complex enzyme preparation by fermentation of dextran waste liquor |
| WO2014018479A1 (en) * | 2012-07-23 | 2014-01-30 | Butamax Advanced Biofuels Llc | Processes and systems for the production of fermentation products |
| CN103205513A (en) * | 2012-09-07 | 2013-07-17 | 上海华茂药业有限公司 | Extraction method for fructose from waste dextran fermentation broth |
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Address after: 256600 High New Zone No. five, No. 208, Binzhou, Shandong Patentee after: Shandong Weiyan Biotechnology Co.,Ltd. Address before: 256600 High New Zone No. five, No. 208, Binzhou, Shandong Patentee before: SHANDONG JINLANG BIOTECHNOLOGY Co.,Ltd. |