CN103205315B - A kind of production technology of monoglyceride and the separation purifying technique of slag charge - Google Patents
A kind of production technology of monoglyceride and the separation purifying technique of slag charge Download PDFInfo
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- CN103205315B CN103205315B CN201210007902.9A CN201210007902A CN103205315B CN 103205315 B CN103205315 B CN 103205315B CN 201210007902 A CN201210007902 A CN 201210007902A CN 103205315 B CN103205315 B CN 103205315B
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Abstract
A kind of production technology of monoglyceride and the separation purifying technique of slag charge, it is related to chemical production field, and its production technology is：By hydrogenated oil and fat and glycerine according to 1：1 ratio is well mixed, and is added catalyst and is esterified, and esterification reaction temperature is 250 DEG C, reaction time is 1h, after reaction terminates, esterification products acid adding carries out neutralization layering, and the thick ester neutralized in layering carries out three-stage distillation, one-level distillation is dehydrated, deaerated, secondary distillation removes glycerine and aliphatic acid, three-stage distillation obtain monoglyceride product, and monoglyceride is spray-dried, then finished product packing is carried out, neutralizes the slag charge discharge in layering.It is by increasing the ratio of glycerine in reaction raw materials, the content of total monoesters in the thick ester of reaction product is brought up to 80%, the energy consumption of distillation process is reduced simultaneously, the loss of molecular distillation apparatus middle scraper is also reduced simultaneously, realize the energy-saving of production technology, reclaiming obtained glycerine can be produced as raw material again, and emission reduction synergy is realized for enterprise.
Description
Technical field
The present invention relates to chemical production field, and in particular to the production technology of monoglyceride a kind of and slag charge isolate and purify work
Skill.
Background technology
Monoglyceride is a kind of widely used nonionic emulsifier, and as excellent w/o type emulsifying agent, it has good
Emulsify, be soft, be antistatic, lubrication, be widely used in daily-use chemical industry, food, medicine, weaving, high polymer material etc. neck
Domain.In food service industry, monoglyceride is important food emulsifying agent, and its dosage accounts for the 2/3 of the total dosage of food emulsifying agent.In non-food
Conduct industry, monoglyceride are used as excipient in pharmaceutical products, the configuration for neutral ointment.In cosmetic industry, monoglyceride
It is the emulsifying agent of w/o type emulsion, is cream, the desirable feedstock of white class product.In Polymer Industry, monoglyceride can be used for cutting oil
Emulsifying agent, in textile softener, lubricant, EPS, PE, PP, thermosetting resin plastic, printing-ink.Because it is in PVC
Solubility property is fabulous, PVC processing in be used as in-lubricant, be also used as polyethylene, polypropylene, foamed polystyrene it is anti-quiet
Electric agent.
The production of monoglyceride, most domestic manufacturer, is all produced using batch process, and in general esterification technique raw material is matched somebody with somebody
Than for triglycerides/glycerine mol ratio=1:Catalyst is done using acid, alkali or metal oxide more than 1.3, added under nitrogen protection
For heat to 190-200 DEG C, the reaction time is 1-3 hours, and the acid that then phosphorates neutralizes, and is cooled to 90 DEG C, deslagging, removes free-fat
Short time heating is done after acid at 150 DEG C again and removes impurity and volatile materials, then the product of esterification is subjected to molecule
Distilation, the content of last monoglyceride can reach 95% or more according to the difference of technique.Because the reaction is balanced reaction,
In crude product, content of monoglyceride is only 35-40%, and remainder is two sweet esters and triglyceride, unreacted glycerine.It is basic herein
On, the monoglyceride of high-purity is obtained with the method for molecular distillation, generally requiring the glyceride feedstock of 3 ton of 40% content can just obtain
The monoglyceride finished product of 1 ton of high-purity is obtained, because molecular distillation apparatus needs ultrahigh vacuum degree, power consumption is big, and equipment knifing is easily ground
Damage, therefore, under traditional handicraft, cost price is high, deficiency in economic performance, and the slag charge discharged in production process recycles difficult, stacking
In plant area, certain pollution is caused to environment.
The content of the invention
It is an object of the invention to provide a kind of production technology of monoglyceride and the separation purifying technique of slag charge, and it passes through increase
The ratio of glycerine in reaction raw materials, the content of total monoesters in the thick ester of reaction product is brought up to by 40% or so of traditional handicraft
80% or so, the energy consumption of distillation process is reduced by more than 30%, while the loss of molecular distillation apparatus middle scraper can also be reduced, it is real
Now production technology is energy-saving, and by controlling reaction condition, glycerine superfluous in reaction system is largely converted into poly
Glycerine, polyglycereol is sold directly as industrial chemicals or for producing polyglycerol fatty acid ester, so as to save polyglycerol
Production cost, while slag charge is extracted using centrifugal separation and separated, centrifugal separation need not use a large amount of solvents, saving
The energy consumption of the removal process of solvent, its rate of recovery to slag charge is reached more than 90%, discharge can either be reduced, increase ring
Benefit is protected, the two sweet esters that the used time reclaims to obtain can be used as kollag to sell, reclaim to obtain sweet after bleaching
Oil can be used for the production of monoglyceride as raw material again, and the polyglycerol for reclaiming to obtain can be used as polyglycerol fatty acid ester
Raw materials for production, realize emission reduction synergy for enterprise.
In order to solve the problems existing in background technology, the present invention takes following technical scheme：Its production technology is：Will
Hydrogenated oil and fat and glycerine are according to 1：1 ratio is well mixed, and is added catalyst and is esterified, and esterification reaction temperature is 250 DEG C, reaction
Time is 1h, and after reaction terminates, esterification products acid adding carries out neutralization layering, the thick ester progress three-stage distillation in neutralization layering, one
Level distillation is dehydrated, deaerated, and secondary distillation removes glycerine and aliphatic acid, three-stage distillation obtain monoglyceride product, and monoglyceride enters
Row spray drying, then carries out finished product packing, neutralizes the slag charge discharge in layering.
The separation purifying technique of described slag charge is：Slag charge is subjected to stratification, then centrifuged using centrifuge
Separation, it is a part of to carry out bleaching from thing monoglyceride and two sweet ester admixtures, reclaimed, the isolate of another part is sweet
Oil, polyglycereol and impurity are neutralized, and then carry out vacuum dehydration, and solvent extraction desalination is added after vacuum dehydration, and desalination is laggard
Go and be evaporated under reduced pressure, then add activated carbon and decolourized, enter back into molecular still and carry out molecular distillation, obtain glycerine and gather sweet
Oily product.
The invention has the advantages that：It is by increasing the ratio of glycerine in reaction raw materials, by the thick ester of reaction product
In the content of total monoesters bring up to 80% or so by 40% or so of traditional handicraft, the energy consumption of distillation process is reduced by more than 30%,
The loss of molecular distillation apparatus middle scraper can also be reduced simultaneously, realizes the energy-saving of production technology, react bar by controlling
Part, glycerine superfluous in reaction system is largely converted into polyglycerol, polyglycereol is sold or used directly as industrial chemicals
In production polyglycerol fatty acid ester, so as to save the production cost of polyglycerol, while using centrifugal separation to slag charge
Extraction separation, centrifugal separation need not use a large amount of solvents, save the energy consumption of the removal process of solvent, it is returned slag charge
Yield can reach more than 90%, can either reduce discharge, increase environmental benefit, the two sweet esters that the used time reclaims to obtain are by bleaching
Kollag can be used as to sell after decolouring, the glycerine for reclaiming to obtain can be used for the production of monoglyceride as raw material again,
Emission reduction synergy can be realized as the raw materials for production of polyglycerol fatty acid ester for enterprise by reclaiming obtained polyglycerol.
Embodiment：
Present embodiment takes following technical scheme：Its production technology is：By hydrogenated oil and fat and glycerine according to 1：1
Ratio is well mixed, and is added catalyst and is esterified, and esterification reaction temperature is 250 DEG C, reaction time 1h, after reaction terminates,
Esterification products acid adding carries out neutralization layering, neutralizes the thick ester in layering and carries out three-stage distillation, and one-level distillation is dehydrated, deaerated,
Secondary distillation removes glycerine and aliphatic acid, three-stage distillation obtain monoglyceride product, and monoglyceride is spray-dried, and is then carried out into
Product are packed, and neutralize the slag charge discharge in layering.
The separation purifying technique of described slag charge is：Slag charge is subjected to stratification, then centrifuged using centrifuge
Separation, it is a part of to carry out bleaching from thing monoglyceride and two sweet ester admixtures, reclaimed, the isolate of another part is sweet
Oil, polyglycereol and impurity are neutralized, and then carry out vacuum dehydration, and solvent extraction desalination is added after vacuum dehydration, and desalination is laggard
Go and be evaporated under reduced pressure, then add activated carbon and decolourized, enter back into molecular still and carry out molecular distillation, obtain glycerine and gather sweet
Oily product.
Present embodiment is by increasing the ratio of glycerine in reaction raw materials, by total monoesters in the thick ester of reaction product
Content brings up to 80% or so by 40% or so of traditional handicraft, the energy consumption of distillation process is reduced into more than 30%, while can also subtract
The loss of few molecular distillation apparatus middle scraper, realizes the energy-saving of production technology, by controlling reaction condition, by reaction system
Middle superfluous glycerine is largely converted into polyglycerol, and polyglycereol is sold directly as industrial chemicals or for producing polyglycerol
Fatty acid ester, so as to save the production cost of polyglycerol, while slag charge is extracted using centrifugal separation and separated, centrifugation point
A large amount of solvents need not be used from method, the energy consumption of the removal process of solvent is saved, its rate of recovery to slag charge is reached 90%
More than, discharge can either be reduced, increases environmental benefit, the two sweet esters that the used time reclaims to obtain can be used as solid after bleaching
Body lubricant is sold, and the glycerine for reclaiming to obtain can be used for the production of monoglyceride as raw material again, and the poly for reclaiming to obtain is sweet
Oil can realize emission reduction synergy as the raw materials for production of polyglycerol fatty acid ester for enterprise.
Claims (1)
1. a kind of production technology of monoglyceride and the separation purifying technique of slag charge, it is characterised in that its production technology is：By hydrogen
Carburetion and glycerine are according to 1：1 ratio is well mixed, and is added catalyst and is esterified, esterification reaction temperature is 250 DEG C, during reaction
Between be 1h, after reaction terminates, esterification products acid adding carries out neutralization layering, and the thick ester neutralized in layering carries out three-stage distillation, one-level
Distillation is dehydrated, deaerated, and secondary distillation removes glycerine and aliphatic acid, and three-stage distillation obtains monoglyceride product, and monoglyceride is carried out
Spray drying, finished product packing is then carried out, neutralize the slag charge discharge in layering；The separation purifying technique of described slag charge is：Will
Slag charge carries out stratification, is then centrifuged using centrifuge, a part of from thing monoglyceride and two sweet ester admixtures
Bleaching is carried out, is reclaimed, the isolate glycerine, polyglycereol and impurity of another part are neutralized, and then carry out vacuum
Dehydration, solvent extraction desalination is added after vacuum dehydration, is evaporated under reduced pressure after desalination, then added activated carbon and decolourized, then
Molecular distillation is carried out into molecular still, obtains glycerine and polyglycereol product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210007902.9A CN103205315B (en) | 2012-01-12 | 2012-01-12 | A kind of production technology of monoglyceride and the separation purifying technique of slag charge |
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| CN201210007902.9A CN103205315B (en) | 2012-01-12 | 2012-01-12 | A kind of production technology of monoglyceride and the separation purifying technique of slag charge |
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| CN103205315A CN103205315A (en) | 2013-07-17 |
| CN103205315B true CN103205315B (en) | 2017-12-22 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104531365B (en) * | 2014-12-10 | 2018-01-16 | 柳州高通食品化工有限公司 | A kind of preparation method of polyglycerol ester |
| CN108018127A (en) * | 2017-11-30 | 2018-05-11 | 广州美晨科技实业有限公司 | A kind of preparation method of unsaturation mono-fatty acid glyceride |
| CN112679344A (en) * | 2020-12-29 | 2021-04-20 | 浙江物美生物科技有限公司 | Preparation process of monoglyceride |
| CN113416132A (en) * | 2021-08-06 | 2021-09-21 | 杭州富春食品添加剂有限公司 | Production process for distilling low-glycerol glycerin monostearate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1076187A (en) * | 1993-01-19 | 1993-09-15 | 周端午 | The preparation method of high-purity monostearin |
| CN101092359A (en) * | 2007-06-29 | 2007-12-26 | 美晨集团股份有限公司 | Method for extracting diglyceride from tailings of molecular distillation of glyceride |
| CN101724508A (en) * | 2009-10-30 | 2010-06-09 | 华南理工大学 | Method for preparing monoglyceride by utilizing circulating esterification reaction and molecular distillation of diester |
| CN102071107A (en) * | 2011-01-26 | 2011-05-25 | 河南工业大学 | Method for preparing monoglyceride under supercritical carbon dioxide (CO2) condition |
| CN102241586A (en) * | 2011-05-12 | 2011-11-16 | 暨南大学 | Method for synthesizing and purifying high-purity fatty acyl monoglyceride |
-
2012
- 2012-01-12 CN CN201210007902.9A patent/CN103205315B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1076187A (en) * | 1993-01-19 | 1993-09-15 | 周端午 | The preparation method of high-purity monostearin |
| CN101092359A (en) * | 2007-06-29 | 2007-12-26 | 美晨集团股份有限公司 | Method for extracting diglyceride from tailings of molecular distillation of glyceride |
| CN101724508A (en) * | 2009-10-30 | 2010-06-09 | 华南理工大学 | Method for preparing monoglyceride by utilizing circulating esterification reaction and molecular distillation of diester |
| CN102071107A (en) * | 2011-01-26 | 2011-05-25 | 河南工业大学 | Method for preparing monoglyceride under supercritical carbon dioxide (CO2) condition |
| CN102241586A (en) * | 2011-05-12 | 2011-11-16 | 暨南大学 | Method for synthesizing and purifying high-purity fatty acyl monoglyceride |
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Effective date of registration: 20160413 Address after: 330006 Jiangxi County in Yongfeng province Yan Zhen Sea Star City Arcadia block 8 E Applicant after: Jiangxi Yipu smooth application of new materials development Co. Ltd. Address before: 330006 South Zone, Yongfeng County Industrial Park, Jiangxi, Ji'an Applicant before: Jiangxi Yongyou Chemical Auxiliary Co., Ltd. |
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