CN201990618U - Polysaccharide decolorizing reaction device - Google Patents
Polysaccharide decolorizing reaction device Download PDFInfo
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- CN201990618U CN201990618U CN2011200634598U CN201120063459U CN201990618U CN 201990618 U CN201990618 U CN 201990618U CN 2011200634598 U CN2011200634598 U CN 2011200634598U CN 201120063459 U CN201120063459 U CN 201120063459U CN 201990618 U CN201990618 U CN 201990618U
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- polysaccharide
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- decoloring reaction
- reaction cavity
- decolorizing
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Abstract
The utility model discloses a polysaccharide decolorizing reaction device, which comprises two adjacent insulating medium plates, and a decolorizing reaction cavity surrounded by an insulating clapboard arranged between the two adjacent insulating medium plates, and is characterized in that the upper end and the lower end of the decolorizing reaction cavity are respectively provided with a liquid inlet and a liquid outlet; the decolorizing reaction cavity is internally provided with a stream guide material thin layer used for forming a stream surface layer and an adsorption packing layer loaded with photochemical catalysts; gaps are reserved between the stream guide material thin layer and the two insulating medium plates; the circumferential side of the decolorizing reaction cavity is additionally provided with an air inlet and an air outlet; and the outer sides of the two insulating medium plates are respectively provided with electrode plates used for forming high voltages. According to the polysaccharide decolorizing reaction device, a cold electric arc technology, a photochemical catalysis technology and an adsorption technology are used in a united manner, and under the synergistic effect of the three technologies, an efficient decolorizing effect is achieved; and the polysaccharide decolorizing reaction device can be applied to the decolorizing field of plant polysaccharide, animal polysaccharide and fungal polysaccharide.
Description
Technical field
The utility model relates to a kind of decoloring reaction device, relates in particular to a kind of decoloring reaction device that can be applicable to vegetable polysaccharides, animal polysaccharide, fungus polysaccharide.
Background technology
Sugar is one of most important three class macromolecular substance in the life entity.Studies show that in a large number active polysaccharide has immunity function, anti-tumor viral function and the reducing blood sugar and blood fat function of raising.Because the source difference of polysaccharide and the defective of extracting method, usually making the polysaccharide liquid that obtains is brown, redness or yellow etc.This produces a very large impact the further separation and purification of polysaccharide, quantitative and qualitative analysis and structure determination, and the miscellaneous pigment has a strong impact on its value as foodstuff additive in the polysaccharide, even influences its medicinal physiologically active.So decolouring is a vital link in the polysaccharide leaching process to polysaccharide, is a link must carrying out.Mostly the decolouring of polysaccharide at present is to adopt traditional absorption method and oxidation style.These decoloring methods not only decolorizing effect are limited, and the loss of polysaccharide is grown and caused easily to the treatment time.Forefathers utilize the cold plasma reactor of packing type that jujube polysaccharide is decoloured and study, the result shows that it is feasible that the cold plasma technology is used for the polysaccharide decolouring, be that a kind of decoloring method fast still exists the low problem of percent of decolourization, handling 25.0min rear decoloring rate in decolouring is 57.0%, efficient is low, weak effect.
Summary of the invention
The purpose of this utility model is to overcome the weak point in the existing polysaccharide decolouring technology, thereby a kind of decoloring reaction of polysaccharide fast and efficiently device is provided.
For reaching above-mentioned purpose, the utility model provides a kind of polysaccharide decoloring reaction device, comprise by two adjacent insulation medium boards and be arranged on the decoloring reaction cavity that the insulating barrier between the two adjacent insulation medium boards surrounds, it is characterized in that: on the described decoloring reaction cavity, the lower end is respectively arranged with fluid inlet and liquid outlet, be provided with the adsorption stuffing layer that the water conservancy diversion material thin-layer that is used to form the stream interface layer and load have photocatalyst in the described decoloring reaction cavity, leave the space between described water conservancy diversion material thin-layer and two insulation medium boards, all sides of described decoloring reaction cavity also are provided with inlet mouth and venting port, the described two insulation medium boards outside is coated with respectively and is used to form high-tension battery lead plate, and described battery lead plate is connected with transformation system by lead.
Above-mentioned water conservancy diversion material thin-layer is gauze, cotton etc.
Above-mentioned adsorption stuffing layer is active carbon filler layer, resin extender layer, alumina packing layer, diatomaceous earth filler layer or bamboo-carbon filler layer etc.
Above-mentioned water conservancy diversion material thin-layer is connected with fluid inlet, and passes the adsorption stuffing layer from top to bottom.
Above-mentioned photocatalyst can be TiO
2, nano-TiO
2, ZnO, Fe
2O
3, modification TiO
2And photocatalyst composite etc.Photocatalyst can be the photocatalyst that needs high temperature sintering, also can be the photocatalyst that need not high temperature sintering.The adsorption stuffing layer of loaded optic catalyst is built in the decoloring reaction cavity, can fill the bottom, also can section gap be filled in the decoloring reaction cavity.
The utility model is that three kinds of technology synergy effects reach purpose quick, efficient, high sugared retention rate, and apparatus structure are simple, and is cheap, is convenient to promote the use of with cold plasma, photochemical catalysis and adsorption technology associating.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is a user mode circuit connection diagram of the present utility model.
Fig. 4 is the structural representation of another embodiment of the utility model.
Among the figure: 1 is insulation medium board, and 2 is insulating barrier, and 3 is the decoloring reaction cavity, 4 is adsorption stuffing, and 5 is the water conservancy diversion material thin-layer, and 6 is battery lead plate, 8 is transformation system, and 9 is liquid outlet, and 10 is the treatment solution collector, 11 is fluid inlet, and 12 is constant flow pump, and 13 is reometer, 14 is high-voltage bleeder, and 15 is voltmeter, and 16 is polysaccharide decoloring reaction device, 18 is inlet mouth, and 19 is the air outlet.
Embodiment
Below will cooperate Figure of description to describe the preferred embodiment of polysaccharide decoloring reaction device of the present utility model in detail, wherein identical element numbers is that same or analogous assembly is shown in representative in difference is graphic.With reference to figure 1 and Fig. 2, polysaccharide decoloring reaction device of the present utility model adopts vertical dielectric barrier discharge structure.Adopt certain method that photocatalyst is loaded on certain sorbent material earlier, again that the adsorption stuffing 4 of loaded optic catalyst is wherein built-in.Surround a decoloring reaction cavity 3 by two insulation medium boards 1 and insulating barrier 2, the adsorption stuffing 4 of loaded optic catalyst is built in decoloring reaction cavity 3, water conservancy diversion material thin-layer 5 is positioned at decoloring reaction cavity 3, passes in the middle of the adsorption stuffing 4 of loaded optic catalyst.With reference to figure 1, Fig. 2 and Fig. 4, the adsorption stuffing 4 of loaded optic catalyst is built in the decoloring reaction cavity, can fill the bottom, also can section gap be filled in the decoloring reaction cavity 3.Battery lead plate 6(can be copper foil) cover on the insulation medium board 1 and and link to each other with transformation system 8.Transformation system 8 is connected with the general lighting circuit.With reference to figure 4, the liquid outlet 9 of polysaccharide decoloring reaction device is connected with treatment solution collector 10 by pipeline, the fluid inlet 11 of polysaccharide decoloring reaction device links to each other with constant flow pump 12 by pipeline, the input terminus of this constant flow pump 12 is connected with treatment solution collector 10, handles with the circulation decolouring that realizes pending liquid.
After opening the general lighting circuit power, process transformation system 8 changes the alternating-current of general lighting circuit into certain high-voltage, puncture atmospherical discharges, produce electronics, neutral particle, charged ion, free radical and ultraviolet ray etc. in reactor, the UV-activated photocatalyst of discharge generation produces the hydroxy radical qiao of strong oxidation capacity.Pending liquid places treatment solution collector 10 to use constant flow pump 12 that it is pumped into reactor, high-energy electron in the reactor, neutral particle etc. will destroy pigment molecular with pigment molecular generation radiative collision because of it has high-energy, simultaneously ion, free radical can with pigment molecular generation redox reaction, reach the decolouring purpose thereby adsorption stuffing 4 also can carry out certain adsorption to pigment molecular.
Insulation medium board and insulating barrier can adopt materials such as toughened glass, epoxy resin board, quartz.
Water conservancy diversion material thin-layer 5(stream interface layer) can be gauze, cotton, screen window etc.Water conservancy diversion material thin-layer 5 places in the discharge space, in the middle of two insulation medium boards, it mainly acts on is to make that treatment solution can form when flowing through reactor evenly, the moisture film of steady flow, thereby gas-liquid is fully contacted, cold plasma and photocatalysis are abundant, improve decolorizing effect.Insulation medium board should be avoided contacting with two insulation medium boards in the process of placing, and stretching as far as possible, and passes from adsorption stuffing 4.
Embodiment is as follows more specifically:
1. carry out the load of photocatalyst earlier: adopt sol-gel method with TiO
2Colloidal sol loads on the alumina globule of median size 3mm, 500 ℃ of baking 2h naturally cooling.Make reactor then: by two thickness 4mm toughened glass and the simple glass baffle plate reaction cavity structure that to surround a volume be 45cm * 10cm * 0.8cm, gauze is as the stream interface layer.Adopt the mode of bottom filling to be built in aluminum oxide and fill 18% in the cavity structure.Two copper foil 36cm * 10cm are covered on the toughened glass, and Copper Foil is positioned at cavity zone and complete capping oxidation aluminium.The reaction unit that makes is connected with transformation system, treatment solution collector, constant flow pump etc. according to shown in Figure 3.
2. adopt water extraction and alcohol precipitation method to prepare the lichee Crude polysaccharides, and make lichee polysaccharide solution, polysaccharide concentration is 50.0mg/mL.
3. lichee polysaccharide solution is placed in the treatment solution collector, connect power adjustment voltage 21.6kv, open constant flow pump, handle 33.8min.
4. the determination experiment result is percent of decolourization 91.2%, sugared retention rate 87.4%.
Reaction unit of the present utility model adopts natural air convection current air feed, also can use the compressed air source unit air feed, optional majority kind gas, for example oxygen, nitrogen etc.
The utility model existing decoloring reaction device is transformed and with photochemical catalysis, adsorption technology coupling, reach purpose quick, efficient, high sugared retention rate.
The utility model is with cold plasma, photochemical catalysis and adsorption technology associating, three kinds of technology synergy effects.
Cold plasma can produce the required ultraviolet ray of photocatalyst in the process of discharge, and the photocatalyst after activating can produce free radical and the ion that helps the cold plasma effect, sorbent material has the material of flourishing pore structure, huge specific surface area and good absorption property, obtained widespread use in the liquid phase adsorption field, used sorbent material class material organism can be adsorbed onto TiO as carrier
2Around the particle, increase partial concn and avoid intermediate product volatilization or free, fast reaction speed, thereby and photocatalyst is adsorbed on its surface improves photocatalyst concentration and reduce and run off, and the adsorbable pigment molecular of sorbent material itself, the enrichment pigment molecular improves cold plasma and light-catalysed action effect.
In the nonequilibrium plasma reactor, introducing catalyzer is the effective measure that promote reactor performance.Sorbent material is used in the Decoloration by Cold Plasmas Using reactor as catalyzer, not only can carry out relative enrichment to the pigment in the solution, offer help for improving the Decoloration by Cold Plasmas Using reaction, can also utilize the synergy of plasma body and catalyzer that the pigment that is enriched on the sorbent material is removed, finish adsorption and enrichment and plasma-catalytic and remove two processes.The synergy of plasma body and sorbent material, both can the enhanced discharge plasma body to the ability that removes of organic substance, can also reduce the energy consumption of catalyzed reaction.
The cold plasma decapacitation directly or indirectly produces by exoelectrical reaction outside strong oxidizing property particles such as hydroxyl radical free radical and the high energy particle at normal temperatures and pressures, can also produce a large amount of ultraviolet rays.TiO
2Under the inducing of UV-light, can produce a large amount of free radicals, the organism in the aqueous oxidizing.The larger molecular organics that cold plasma-photochemical catalysis coupling technique can maybe can not be degraded being difficult to degrade is converted into degradable small organic molecule, and the single step reaction of going forward side by side is until being degraded into inorganic molecules fully.
Therefore cold plasma, photochemical catalysis and adsorption technology can be united use, and the utility model is with cold plasma, photochemical catalysis and three kinds of technical tie-ups of adsorption technology, and three kinds of technology synergy effects are had complementary advantages, and its action effect improves greatly.
Though the utility model discloses as above with preferred embodiment; right its is not in order to limit the utility model; have in the technical field under the utility model and know the knowledgeable usually; in not breaking away from spirit and scope of the present utility model; when being used for a variety of modifications and variations, therefore protection domain of the present utility model is as the criterion when looking accompanying the claim person of defining.
Claims (5)
1. polysaccharide decoloring reaction device, comprise by two adjacent insulation medium boards and be arranged on the decoloring reaction cavity that the insulating barrier between the two adjacent insulation medium boards surrounds, it is characterized in that: on the described decoloring reaction cavity, the lower end is respectively arranged with fluid inlet and liquid outlet, be provided with the adsorption stuffing layer that the water conservancy diversion material thin-layer that is used to form the stream interface layer and load have photocatalyst in the described decoloring reaction cavity, leave the space between described water conservancy diversion material thin-layer and two insulation medium boards, all sides of described decoloring reaction cavity also are provided with inlet mouth and venting port, and the described two insulation medium boards outside respectively is provided with and is used to form high-tension battery lead plate.
2. polysaccharide decoloring reaction device according to claim 1 is characterized in that: described adsorption stuffing layer be filled in decoloring reaction cavity bottom or from top to bottom section gap be arranged in the decoloring reaction cavity.
3. polysaccharide decoloring reaction device according to claim 1 is characterized in that: described water conservancy diversion material thin-layer is gauze or cotton.
4. polysaccharide decoloring reaction device according to claim 1 and 2 is characterized in that: described adsorption stuffing layer is active carbon filler layer, resin extender layer, alumina packing layer, diatomaceous earth filler layer or bamboo-carbon filler layer.
5. according to claim 1,2 or 3 described polysaccharide decoloring reaction devices, it is characterized in that: described water conservancy diversion material thin-layer is connected with fluid inlet, and passes the adsorption stuffing layer from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200634598U CN201990618U (en) | 2011-03-11 | 2011-03-11 | Polysaccharide decolorizing reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200634598U CN201990618U (en) | 2011-03-11 | 2011-03-11 | Polysaccharide decolorizing reaction device |
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| Publication Number | Publication Date |
|---|---|
| CN201990618U true CN201990618U (en) | 2011-09-28 |
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ID=44667112
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200634598U Expired - Fee Related CN201990618U (en) | 2011-03-11 | 2011-03-11 | Polysaccharide decolorizing reaction device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111533818A (en) * | 2020-04-03 | 2020-08-14 | 浙江万里学院 | Decolorizing method for sargassum fusiforme polysaccharide |
| CN116120482A (en) * | 2023-01-16 | 2023-05-16 | 华南理工大学 | Fucoidan degraded by dielectric barrier discharge plasma, and preparation method and application thereof |
-
2011
- 2011-03-11 CN CN2011200634598U patent/CN201990618U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111533818A (en) * | 2020-04-03 | 2020-08-14 | 浙江万里学院 | Decolorizing method for sargassum fusiforme polysaccharide |
| CN116120482A (en) * | 2023-01-16 | 2023-05-16 | 华南理工大学 | Fucoidan degraded by dielectric barrier discharge plasma, and preparation method and application thereof |
| CN116120482B (en) * | 2023-01-16 | 2024-05-03 | 华南理工大学 | Fucoidan degraded by dielectric barrier discharge plasma, and preparation method and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20140311 |