CN104804105A - Method for preparing carrageenan according to ceramic membrane filtration method - Google Patents
Method for preparing carrageenan according to ceramic membrane filtration method Download PDFInfo
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- CN104804105A CN104804105A CN201510164338.5A CN201510164338A CN104804105A CN 104804105 A CN104804105 A CN 104804105A CN 201510164338 A CN201510164338 A CN 201510164338A CN 104804105 A CN104804105 A CN 104804105A
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- ceramic membrane
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- 239000000919 ceramic Substances 0.000 title claims abstract description 82
- 235000010418 carrageenan Nutrition 0.000 title claims abstract description 62
- 229920001525 carrageenan Polymers 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000000679 carrageenan Substances 0.000 title abstract description 5
- 229940113118 carrageenan Drugs 0.000 title abstract description 5
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 title abstract description 5
- 238000005374 membrane filtration Methods 0.000 title abstract description 4
- 239000012528 membrane Substances 0.000 claims abstract description 78
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims abstract description 26
- 239000000706 filtrate Substances 0.000 claims abstract description 23
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 238000001035 drying Methods 0.000 claims abstract description 13
- 239000000047 product Substances 0.000 claims abstract description 13
- 241001428166 Eucheuma Species 0.000 claims abstract description 11
- 239000007864 aqueous solution Substances 0.000 claims abstract description 7
- 230000018044 dehydration Effects 0.000 claims abstract description 6
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 6
- 230000001954 sterilising effect Effects 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims description 12
- 238000000746 purification Methods 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 8
- 230000029087 digestion Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 229910001562 pearlite Inorganic materials 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 238000004659 sterilization and disinfection Methods 0.000 claims description 5
- 239000012141 concentrate Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 239000001103 potassium chloride Substances 0.000 abstract description 13
- 235000011164 potassium chloride Nutrition 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000227 grinding Methods 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 239000011550 stock solution Substances 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 230000008569 process Effects 0.000 description 9
- 239000000499 gel Substances 0.000 description 8
- 239000003513 alkali Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- -1 KCL large during gel Chemical class 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000005304 joining Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000206672 Gelidium Species 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 240000007058 Halophila ovalis Species 0.000 description 1
- 241000212297 Pelvetia Species 0.000 description 1
- 241000206572 Rhodophyta Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000012970 cakes Nutrition 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 235000015243 ice cream Nutrition 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 239000008291 lyophilic colloid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 235000015598 salt intake Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000375 suspending agent Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a method for preparing carrageenan according to a ceramic membrane filtration method. The method comprises the following steps: first of all, preparing a stock solution of carrageenan from eucheuma; then connecting ceramic membrane filtration devices, of which the pore diameters are 20 to 200 nm, in series; conducting continuous filtration and concentration on a rough filtrate; lowering the temperature to be 60 to 65 DEG C with a plate-type condenser; taking KCl which is 0.15% of the concentrated filtrate by mass; preparing an aqueous solution, of which the mass concentration is 20%, from KCl; adding the aqueous solution into the concentrated filtrate; adopting a strip pushing machine to push strips after uniform stirring; adopting a membrane filter press dehydrator for dehydration; then, sequentially carrying out coarse grinding, flash drying, sterilizing, pneumatic drying and other steps to obtain a finished carrageenan product. The method has the advantage that a ceramic membrane is adopted for filtration and concentration, so that the concentration of the filtrate is improved by more than one time, the entire weight is reduced by at least 1/2, and the consumption of potassium chloride is directly reduced by 85%. Compared with the prior art, the method has the advantages that half of the cost of capital equipment can be reduced and the production efficiency can be improved.
Description
Technical field
Embodiments of the present invention relate to the preparation field of foodstuff additive carrageenin, and more specifically, embodiments of the present invention relate to the method adopting ceramic membrane filter legal system for carrageenin.
Background technology
Carrageenin is a kind of lyophilic colloid extract from the red algae sea grass such as Eucheuma muricatum (Gmel.) Web． Van Bos．, gelidium, siliquosa Pelvetia, therefore be also called Eucheuma muricatum (Gmel.) Web． Van Bos． glue, gelidium glue, carrageeman, carrageenin, be widely used in food such as manufacturing jelly, ice-creams, cake, soft sweets as thickening material, jelling agent, suspension agent, emulsifying agent and stablizer etc.
Instantly carrageenin normally adopts the starting material such as marine alga through cleaning, alkaline purification, boiling, filters, prepares the steps such as gel, dehydration, oven dry, pulverizing and be prepared from, as Chinese patent application CN103319620A discloses a kind of carrageenin manufacturing process, take marine alga as raw material, its concrete preparation process is: raw materials weighing → wash → shred → alkali cleaning → washing → boiling → filtration → cooling → solubilizing agent gel → filter → get gel → extruding → oven dry.Chinese patent application CN103570843A discloses a kind of method extracting carrageenin, by the compound alkali-treated raw materials of descending concentrations in the method, then with prozyme process, metal chelator removal heavy metal, coarse filtration after boiling glue, essence filter, gel, dehydration, slitting, drying, pulverize, sieving obtains carrageenin.Although the preparation method of CN103319620A is simple, the extraction efficiency of each step carrageenin is low accordingly, and carrageenin purity is low, and in solubilizing agent gelation process, the salt consumption such as KCl is large; CN103570843A adopts the alkali pretreatment of three grades of descending concentrations to shorten the alkaline purification time, and improve carrageenin gel-strength with prozyme, but it still uses conventional methods in steps such as boiling the filtration after glue step, gel, dehydration, slitting, do not raise the efficiency, use the amount of the salt such as KCL large during gel, whole process cost is high with power consumption, and length consuming time, production efficiency is low.
Ceramic membrane, also known as inorganic ceramic film, is the asymmetric membrane be prepared from through special process with inorganic ceramic material.Ceramic membrane tube wall gathers micropore, under pressure, stock liquid is in film pipe or film flows outside, and small-molecule substance (or liquid) is through film, macromolecular substance (or solid) tunicle retains, thus reaches the objects such as separation, concentrated, purifying and environmental protection.
Current use ceramic membrane carrageenin technique is improved and adopt the mode of two-stage tandem to filter thus raise the efficiency, the technology that reduces costs has no report.
Summary of the invention
The present invention is intended to the consumption reducing KCL on the basis of existing technology, thus reduces costs, and reduces the input of fixed capital (equipment) simultaneously, improves production capacity, and improves the quality of products, save floor occupying area.
For achieving the above object, the present invention prepares carrageenin by the following technical solutions:
Adopt ceramic membrane filter legal system for a method for carrageenin, it comprises the following steps:
(1) carrageenin stoste is prepared
By Eucheuma muricatum (Gmel.) Web． Van Bos． after alkaline purification, cleaning and steam digestion, add pearlite filtering aid, then pass through sheet frame
Impurity removed by pressure filter, obtains carrageenin stoste;
(2) ceramic membrane filter
Utilize aperture to be that the ceramic membrane filter equipment of 20 ~ 200nm carries out connecting and carries out continuous filtration to carrageenin stoste and concentrate, obtain concentrated filtrate;
(3) cool, add Repone K, cooling pushes away bar
Plate-type condenser cools described concentrated filtrate to 60 ~ 65 DEG C, then takes KCl according to 0.15% of concentrated filtrate quality, and KCl is made the aqueous solution that concentration is 20%, then is added in concentrated filtrate, stirs, and then employing pushes away bar machine and pushes away bar;
(4) subsequent disposal
Adopting the dehydration of barrier film filter pressing dehydrator by pushing away the carrageenin after bar, then carrying out coarse reduction, expansion drying, sterilization, air stream drying successively, fine powder is broken and sieve, obtaining finished product carrageenin.
Further technical scheme is: the described ceramic membrane filter of step (2) adopts two-stage ceramic membrane filter equipment to connect, described two-stage ceramic membrane filter equipment comprises the secondary ceramic membrane filter equipment that primary ceramic membrane filter plant that aperture is 50nm ~ 200nm and aperture are 20nm, and described carrageenin stoste is first by primary ceramic membrane filter plant.
According to one of the present invention preferred embodiment: the ceramic membrane aperture of described primary ceramic membrane filter plant is 200nm, the ceramic membrane aperture of described secondary ceramic membrane filter equipment is 20nm.
According to another preferred embodiment of the present invention: the ceramic membrane aperture of described primary ceramic membrane filter plant is 100nm, the ceramic membrane aperture of described secondary ceramic membrane filter equipment is 20nm.
According to another preferred embodiment of the present invention: the ceramic membrane aperture of described primary ceramic membrane filter plant is 50nm, the ceramic membrane aperture of described secondary ceramic membrane filter equipment is 20nm.
Further technical scheme is: described ceramic membrane is made up of supporter, transition layer and microporous film layers, and its film pipe external diameter is 30 ~ 40mm, and channel diameter is 2.5 ~ 6.0mm, and number of channels is 19 ~ 61 holes, and film length of tube is 1.016 ~ 1.2m.
Further technical scheme is: step (1) described alkaline purification, cleaning and steam digestion are carried out successively in the same tank body of alkaline purification tank.
Further technical scheme is: the equipment of step (4) described coarse reduction and the broken use of fine powder is primary crusher, Crushing of Ultrafine unit respectively.
Compared with prior art, one of beneficial effect of the present invention is: carrageenin stoste adopts ceramic membrane filter to concentrate by the present invention after use plate-and-frame filter press coarse filtration, make concentrated filtrate compared with the concentration be enhanced about more than once after coarse filtration, filtrate total amount reduces at least 1/2, the raising of carrageenan concentrations makes carrageenin get final product gel when low potassium salts content, and the usage quantity of Repone K directly declines 85%; After concentrated with ceramic membrane filter, the reduction of carrageenin liquid measure makes all to reduce through plate-type condenser, the OK a karaoke club glue that pushes away the equipment such as bar machine, diaphragm filter press, the fixture cost of half can be saved compared to existing technology, simultaneously because the total amount reduction of OK a karaoke club glue makes the time needed for each step follow-up all relatively reduce, improve production efficiency.
Embodiment
Clearly understand that in order to make object of the present invention, technical scheme and advantage following examples are further elaborated to the present invention.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The inorganic ceramic film that the embodiment of the present invention 1 ~ 3 adopts is made up of supporter, transition layer, microporous film layers; Film pipe external diameter is 40mm, and channel diameter is 3.5mm, and number of channels is 37 holes; Film length of tube is 1.016 meters.
Embodiment 1
By 1 part of Eucheuma muricatum (Gmel.) Web． Van Bos． in alkaline purification tank with the NaOH solution of concentration 8% in mass ratio 1:10 at 50 DEG C of temperature, process 3.5h, extract alkali lye out, then Eucheuma muricatum (Gmel.) Web． Van Bos． cleaning is extremely neutral, add 10 parts of water, steam digestion 70min, add appropriate pearlite filtering aid, first glue is diluted to finite concentration and (utilizes Tu Shi viscometer to detect the viscosity of stoste joining glue tank before filtration, Testing index is 25s/ cup), glue is kept to be in more than 95 DEG C, impurity is removed again by plate-and-frame filter press, obtain carrageenin stoste, then carrageenin stoste is used successively the ceramic membrane of aperture 200nm and the ceramic membrane filter of aperture 20nm, obtain concentrated filtrate, 60 DEG C are cooled to through plate-type condenser, KCl is taken according to 0.15% of concentrated filtrate quality, and KCl is made the aqueous solution that concentration is 20%, added to again in concentrated filtrate, stir 5min, then adopt and push away bar machine and push away bar, then adopt the coarse reduction of primary crusher equipment after adopting barrier film filter pressing dehydrator to dewater, then expansion drying is carried out to crushed material, sterilization, air stream drying, Crushing of Ultrafine unit fine powder are broken, finally crossing aperture according to product requirement selectivity is 80 object sieves, obtains carrageenin powder product.
Embodiment 2
By 1 part of Eucheuma muricatum (Gmel.) Web． Van Bos． in alkaline purification tank with the NaOH solution of concentration 8% in mass ratio 1:10 at 70 DEG C of temperature, process 3h, extract alkali lye out, then Eucheuma muricatum (Gmel.) Web． Van Bos． cleaning is extremely neutral, add 10 parts of water, steam digestion 80min, add appropriate pearlite filtering aid, first glue is diluted to finite concentration and (utilizes Tu Shi viscometer to detect the viscosity of stoste joining glue tank before filtration, Testing index is 25s/ cup), glue is kept to be in more than 95 DEG C, impurity is removed again by plate-and-frame filter press, obtain carrageenin stoste, then carrageenin stoste is used successively the ceramic membrane of aperture 100nm and the ceramic membrane filter of aperture 20nm, obtain concentrated filtrate, 65 DEG C are cooled to through plate-type condenser, KCl is taken according to 0.15% of concentrated filtrate quality, and KCl is made the aqueous solution that concentration is 20%, added to again in concentrated filtrate, stir 5min, then adopt and push away bar machine and push away bar, then adopt the coarse reduction of primary crusher equipment after adopting barrier film filter pressing dehydrator to dewater, then expansion drying is carried out to crushed material, sterilization, air stream drying, Crushing of Ultrafine unit fine powder are broken, finally crossing aperture according to product requirement selectivity is 200 object sieves, obtains carrageenin powder product.
Embodiment 3
By 1 part of Eucheuma muricatum (Gmel.) Web． Van Bos． in alkaline purification tank with the NaOH solution of concentration 8% in mass ratio 1:10 at 70 DEG C of temperature, process 3h, extract alkali lye out, then Eucheuma muricatum (Gmel.) Web． Van Bos． cleaning is extremely neutral, add 10 parts of water, steam digestion 90min, add appropriate pearlite filtering aid, first glue is diluted to finite concentration and (utilizes Tu Shi viscometer to detect the viscosity of stoste joining glue tank before filtration, Testing index is 25s/ cup), glue is kept to be in more than 95 DEG C, impurity is removed again by plate-and-frame filter press, obtain carrageenin stoste, then carrageenin stoste is used successively the ceramic membrane of aperture 50nm and the ceramic membrane filter of aperture 20nm, obtain concentrated filtrate, 65 DEG C are cooled to through plate-type condenser, KCl is taken according to 0.15% of concentrated filtrate quality, and KCl is made the aqueous solution that concentration is 20%, added to again in concentrated filtrate, stir 5min, then adopt and push away bar machine and push away bar, then adopt the coarse reduction of primary crusher equipment after adopting barrier film filter pressing dehydrator to dewater, then expansion drying is carried out to crushed material, sterilization, air stream drying, Crushing of Ultrafine unit fine powder are broken, finally crossing aperture according to product requirement selectivity is 200 object sieves, obtains carrageenin powder product.
Above-described embodiment 1 ~ 3 is the embodiment of producing carrageenin powder, drops into below analyze and illustrate raw material when in actual production prepared by carrageenin.
In actual production, the working hour presses calculation in 18h/ days, and process stoste amount is 500 tons/day, every m
3the input unit price of ceramic membrane is about 1.5 ten thousand, and adopt the ceramic membrane of embodiment 1 ~ 3 to drop into actual production, needed for ceramic membrane, the total area is as table 1.
Table 1 ceramic membrane usable floor area cartogram
Owing to invention increases inorganic ceramic membrane filtration, the amount of to join in glue tank added Repone K can be had influence on, and plate-type condenser below, push away the input of the fixed capital of bar machine and barrier film press filtration.With carrageenin production capacity 5 tons of/day calculating, concentrate the technique preparing carrageenin and preparation technology of the present invention contrasts by not adopting ceramic membrane, from after coarse filtration, calculate OK a karaoke club adhesive liquid quantity and equipment investment usage quantity, preparation process is above identical, concrete as table 2.
Table 2 OK a karaoke club glue total amount and equipment investment usage quantity contrast table
| Prior art | The present invention | |
| Process point | Only plate-and-frame filter press filters | Adopt ceramic membrane filter |
| Filtered fluid | 500 tons/day (1% concentration) | 250 tons/day (2% concentration), reduces 1/2 |
| Add Repone K amount | 2.5 tons/day (0.5% concentration) | 0.375 ton/day (0.15% concentration), reduces 85% |
| Cooler | Reduce 1/2 | |
| Cooling pushes away bar amount | Reduce 1/2 | |
| Refrigerator | Reduce 1/2 | |
| Barrier film press filtration amount | Reduce 1/2 |
As shown in Table 2, in existing production capacity 5 tons of/day carrageenin powder, after only adopting plate-and-frame filter press coarse filtration, stoste amount is about 500 tons/day, and concentration is about 1%; And concentration can reach more than 2% after ceramic membrane is concentrated, in 2%, the amount of liquid after concentrated is 250 tons/day, compares down the quantity decreasing 1/2.Due to the raising of concentration, carrageenin gets final product gel when low sylvite amount, and the usage quantity of Repone K directly have dropped 85%; Amount through plate-type condenser cooling reduces 1/2 relatively, cooling pushes away the also corresponding minimizing 1/2 of bar amount, and the refrigerator amount of coming into operation also can reduce 1/2 relatively, and during high density, the critical temperature of carrageenin lyogel can be risen relatively, and therefore the power consumption of refrigerator can reduce relatively; Because the concentration of OK a karaoke club glue rises, the glue time of entering during barrier film press filtration shortens relatively, and the efficiency of press filtration can improve 50% on the basis of existing technology.
Relate to the input of various equipment and ceramic membrane when preparing carrageenin, film work-ing life of general ceramic membrane, carry out cost keeping to the present invention, result was as table 3 in 5 years.
Table 3 cost keeping and synopsis
The quality index of the carrageenin (original product) prepared not adopting ceramic membrane filter method and the carrageenin prepared by ceramic membrane filter method contrasts, and result is as table 3.
Table 3 original product and quality product contrast table of the present invention
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in scope disclosed in the present application, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (8)
1. adopt ceramic membrane filter legal system for a method for carrageenin, it is characterized in that it comprises the following steps:
(1) carrageenin stoste is prepared
By Eucheuma muricatum (Gmel.) Web． Van Bos． after alkaline purification, cleaning and steam digestion, add pearlite filtering aid, then remove impurity by plate-and-frame filter press, obtain carrageenin stoste;
(2) ceramic membrane filter
Utilize aperture to be that the ceramic membrane filter equipment of 20 ~ 200nm carries out connecting and carries out continuous filtration to carrageenin stoste and concentrate, obtain concentrated filtrate;
(3) cool, add Repone K, cooling pushes away bar
Plate-type condenser cools described concentrated filtrate to 60 ~ 65 DEG C, then takes KCl according to 0.15% of concentrated filtrate quality, and KCl is made the aqueous solution that concentration is 20%, then is added in concentrated filtrate, stirs, and then employing pushes away bar machine and pushes away bar;
(4) subsequent disposal
Adopting the dehydration of barrier film filter pressing dehydrator by pushing away the carrageenin after bar, then carrying out coarse reduction, expansion drying, sterilization, air stream drying successively, fine powder is broken and sieve, obtaining finished product carrageenin.
2. employing ceramic membrane filter legal system according to claim 1 is for the method for carrageenin, it is characterized in that the described ceramic membrane filter of step (2) adopts two-stage ceramic membrane filter equipment to connect, described two-stage ceramic membrane filter equipment comprises the secondary ceramic membrane filter equipment that primary ceramic membrane filter plant that aperture is 50nm ~ 200nm and aperture are 20nm, and described carrageenin stoste is first by primary ceramic membrane filter plant.
3. employing ceramic membrane filter legal system according to claim 2 is for the method for carrageenin, it is characterized in that the ceramic membrane aperture of described primary ceramic membrane filter plant is 200nm, and the ceramic membrane aperture of described secondary ceramic membrane filter equipment is 20nm.
4. employing ceramic membrane filter legal system according to claim 2 is for the method for carrageenin, it is characterized in that the ceramic membrane aperture of described primary ceramic membrane filter plant is 100nm, and the ceramic membrane aperture of described secondary ceramic membrane filter equipment is 20nm.
5. employing ceramic membrane filter legal system according to claim 2 is for the method for carrageenin, it is characterized in that the ceramic membrane aperture of described primary ceramic membrane filter plant is 50nm, and the ceramic membrane aperture of described secondary ceramic membrane filter equipment is 20nm.
6. the employing ceramic membrane filter legal system according to claim 2 ~ 5 any one is for the method for carrageenin, it is characterized in that described ceramic membrane is made up of supporter, transition layer and microporous film layers, its film pipe external diameter is 30 ~ 40mm, channel diameter is 2.5 ~ 6.0mm, number of channels is 19 ~ 61 holes, and film length of tube is 1.016 ~ 1.2m.
7. employing ceramic membrane filter legal system according to claim 1 is for the method for carrageenin, it is characterized in that step (1) described alkaline purification, cleaning and steam digestion are carried out successively in the same tank body of alkaline purification tank.
8. employing ceramic membrane filter legal system according to claim 1 is for the method for carrageenin, it is characterized in that the equipment of step (4) described coarse reduction and the broken use of fine powder is primary crusher, Crushing of Ultrafine unit respectively.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565209A (en) * | 2019-09-10 | 2019-12-13 | 临沂艾德森生物科技有限公司 | method for preparing high-strength carrageenan fibers by roll-type membrane filtration method |
| CN111700266A (en) * | 2020-06-09 | 2020-09-25 | 邱涛 | Refined carrageenan and preparation method and application thereof |
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