CN208327482U - Catalytic reaction device - Google Patents
Catalytic reaction device Download PDFInfo
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- CN208327482U CN208327482U CN201820517014.4U CN201820517014U CN208327482U CN 208327482 U CN208327482 U CN 208327482U CN 201820517014 U CN201820517014 U CN 201820517014U CN 208327482 U CN208327482 U CN 208327482U
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- catalytic reaction
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Abstract
The utility model discloses a kind of catalytic reaction devices, including an electro-catalysis ontology, including anode catalyst layer, dielectric layer and cathode layer made of being sequentially overlapped under upper；With an electrolytic cell, horizontal direction both ends are respectively equipped with a feed inlet and a discharge port；Electro-catalysis ontology in the horizontal direction it is serpentine-like folding and form multilayered structure and be placed in electrolytic cell, and be immersed in and continuously flowed into from feed inlet and carry out electrocatalytic reaction from the electrolyte solution containing pollutant that discharge port flows out, there is gap between adjacent two layers in above-mentioned multilayered structure.The catalytic reaction device of the utility model is adaptable to disposal field, and the adaptation in different places can be carried out by adjusting the size of cathode-anode plate and dielectric material, provides important technical for the practical application of electro-catalytic oxidation technology.
Description
Technical field
The utility model belongs to electro-catalysis technical field, and in particular to a kind of catalytic reaction device.
Background technique
Electrochemical catalysis technology confirms it for dirt organic in water by many researchs already as a kind of high-level oxidation technology
Contaminating object has efficient degradation, relative to the sewage disposal technologies such as traditional materialization, biochemistry and method, electrocatalytic oxidation skill
Art has the advantages such as treatment effeciency is high, without secondary pollution, facility occupied area is small, parameter controllability is strong.Although electrocatalytic oxidation
Advantage is more, but for a long time, and since the current efficiency of process degradation organic matter is low, energy consumption is high, while lacking electrode material appropriate
Material, it is difficult to realize industrialization.In electro-catalytic oxidation technology, the spacing of electrode plate suqare and yin-yang anode catalyst layer and cathode layer
It is the key factor for influencing electro-catalysis efficiency.Wherein, in two-dimensional electrode, expanding electrode surface area is to increase cell reaction speed
Degree, improves a kind of extremely effective method of electrolytic efficiency, in the electrolysis processing of waste water, can improve to the maximum extent
Cell reaction speed increases the reacting dose of unit electrolytic cell；And the spacing of electric anode catalyst layer and cathode layer increases or reduces,
The resistance that will lead to reaction system also increases with it or reduces, and the variation of resistance causes the variation of input energy (tank voltage) again,
The spacing of anode catalyst layer and cathode layer is big, and tank voltage increases, and power consumption is big, conversely, power consumption is small.
The high problem of existing electrocatalytic reaction low efficiency, energy consumption, Jin Erti can be improved by carrying out reasonable reactor design
Rise the feasibility of its practical application.For expanding electrode surface area, traditional noble metal electrode plate has costly, ductility
The problems such as poor, it is difficult to adapt to reactor requirements of different shapes.
Utility model content
The purpose of the utility model is to overcome prior art defects, provide a kind of catalytic reaction device.
The technical solution of the utility model is as follows:
Catalytic reaction device, including
One electro-catalysis ontology, including anode catalyst layer, dielectric layer and cathode layer made of being sequentially overlapped under upper；
With an electrolytic cell, horizontal direction both ends are respectively equipped with a feed inlet and a discharge port；
Electro-catalysis ontology in the horizontal direction serpentine-like folding and form multilayered structure and be placed in electrolytic cell, and the company of being immersed in
It is continuous to be flowed into from feed inlet and carry out electrocatalytic reaction, above-mentioned multilayer from the electrolyte solution containing pollutant that discharge port flows out
There is gap between adjacent two layers in structure.
In a preferred embodiment of the utility model, the dielectric layer with a thickness of 1~5mm.
It is further preferred that the dielectric layer with a thickness of 2~3mm.
In a preferred embodiment of the utility model, the number of plies of the multilayered structure is 2~12.
It is further preferred that the number of plies of the multilayered structure is 4~6.
The beneficial effects of the utility model are:
1, the catalytic reaction device of the utility model is adaptable to disposal field, can be by adjusting cathode-anode plate and Jie
The size of material carries out the adaptation in different places, provides important technical for the practical application of electro-catalytic oxidation technology.
2, the catalytic reaction device of the utility model under normal temperature and pressure conditions, can be carried out by adjusting thickness of dielectric layers
The distance regulation of yin-yang anode catalyst layer and cathode layer carries out sewage in reactor by changing the sandwich-like build stack number of plies
Residence time and pass through electrocatalytic reaction unit number regulation, so as to improve electrocatalytic reaction efficiency.
3, the utility model can meet multi-aspect demand of the reactor in terms of economic cost and practical application, no matter in section
It learns research or electro-catalysis industry application aspect all has bright prospects.
Detailed description of the invention
Fig. 1 is one of the structural schematic diagram of catalytic reaction device of the utility model.
Fig. 2 is the second structural representation of the catalytic reaction device of the utility model.
Fig. 3 is the experimental result picture of the utility model embodiment 2.
Fig. 4 is the experimental result picture of the utility model embodiment 3.
Specific embodiment
The technical solution of the utility model is further detailed below by way of specific embodiment combination attached drawing and
Description.
Embodiment 1
As depicted in figs. 1 and 2, a kind of catalytic reaction device, including an electro-catalysis ontology 1 and an electrolytic cell 2.
Electro-catalysis ontology 1, anode catalyst layer 11, porous nothing including graphene material made of being sequentially overlapped under upper
The dielectric layer 12 of woven fabric material and the cathode layer 13 of carbon cloth material, dielectric layer 12 with a thickness of 1~5mm, preferably 2~3mm；
Electrolytic cell 2, horizontal direction both ends are respectively equipped with a feed inlet 21 and a discharge port 22；
Electro-catalysis ontology 1 in the horizontal direction serpentine-like folding and form 5 layers of multilayered structure and be placed in electrolytic cell 2, and
It is immersed in and is continuously flowed into from feed inlet 21 and carry out electro-catalysis from the electrolyte solution containing pollutant that discharge port 22 flows out
It reacts, there is gap between adjacent two layers in above-mentioned multilayered structure.
Its production method is as follows:
(1) anode catalyst layer 11, dielectric layer 12 and cathode layer 13 are cut out: graphene composite material being adhered on carbon cloth and is made
For anode catalyst layer 11, using carbon cloth as cathode layer 13, perforated nonwoven fabrics as dielectric layer 12, anode and cathode having a size of 20cm ×
100cm, dielectric layer 12 is having a size of 20cm × 100cm, thickness 1-5mm.
(2) it stacks gradually anode catalyst layer 11, dielectric layer 12 and cathode layer 13 to obtain sandwich structure；
(3) by above-mentioned sandwich structure in the horizontal direction serpentine-like folding and form 5 layers of multilayered structure, be placed in electrolytic cell
Electrocatalytic oxidation experiment is carried out in 2 (rectangle 250mL glass containers), in electrolytic process, experiment electric current is set as 200mA,
It is controlled by p12 anode polarization device (emerging technology in OuYa).
(4) electrolyte solution of pollutant is iterated through into a manner of continuous flow multilayer electrocatalytic reaction unit and reaches drop
Solution.
Embodiment 2
At room temperature using catalytic reaction device made from embodiment 1, using the paracetamol solution of 10ppm as target
Pollutant.Pollutant is taken with the speed sample introduction of 50mL/min, by every 5-10min primary sampling interval in discharge port 22
Sample, each sample volume about 2.5mL.High performance liquid chromatography (HPLC, Waters 2695) is recycled to flutter heat to remaining in water sample
The concentration of breath pain measures, and the time span of average every group of experiment is 100min or so.
The three-dimensional structure of catalytic reaction device is as shown in Figure 1.Reactor electro catalytic activity under the conditions of continuous flow is tested
As a result as shown in figure 3, as seen from Figure 3, with the reduction of the spacing of anode catalyst layer 11 and cathode layer 13, to paracetamol
Removal efficiency it is in rising trend.But when the spacing of anode catalyst layer 11 and cathode layer 13 is reduced to 2.0cm, with anti-
Extension between seasonable, side reaction energy consumption increase, and output water temperature increases；Furthermore between anode catalyst layer 11 and cathode layer 13
Away from reduction, power consumption rapidly increases.Studies have shown that is reduced to 3mm as the spacing 5mm of anode catalyst layer 11 and cathode layer 13
When, paracetamol is 90% in the removal rate of 30min, further decreases the spacing of anode catalyst layer 11 and cathode layer 13 to 2mm
When, paracetamol is 95% in the removal rate of 30min.This phenomenon is since the spacing of anode catalyst layer 11 and cathode layer 13 increases
The resistance between two-plate is caused to increase greatly, current efficiency reduces, removal rate decline.Conversely, anode catalyst layer 11 and cathode layer 13
Spacing reduction cause the resistance between two-plate to reduce, current efficiency increase, removal rate rising.
Embodiment 3
At room temperature using catalytic reaction device made from embodiment 1, using the paracetamol solution of 10ppm as target
Pollutant.Pollutant is taken with the speed sample introduction of 50mL/min, by every 5-10min primary sampling interval in discharge port 22
Sample, each sample volume about 2.5mL.Recycling ultraviolet-visible spectrophotometer, (UV-VIS, U-3900, Japanese Hitachi are public
Department) concentration of RBk5 dyestuff remaining in water sample is measured at 600nm, the time span of average every group of experiment is
100min or so.
Test results are shown in figure 4 for above-mentioned catalytic reaction device electro-catalysis dye activity, and as seen from Figure 4, electricity is urged
Changing reaction unit has very good catalytic activity for RBk5 dyestuff, in the spacing condition of anode catalyst layer 11 and cathode layer 13
Under, 85% or more can achieve in 30min for the catalytic degradation efficiency of dyestuff.Wherein anode catalyst layer 11 and cathode layer
When 13 spacing is 2mm, system has higher degradation efficiency, and only 20min can all remove Dye Wastewater Decolorization.As anode is urged
The spacing for changing layer 11 and cathode layer 13 increases, and degradation efficiency slowly reduces, when the spacing of anode catalyst layer 11 and cathode layer 13 is
3, when 4,5mm, the removal rate for being reacted to 30min is respectively 92.50%, 86.80%, 85.83%.
The above, the only preferred embodiment of the utility model, therefore, it cannot be limited according to, and the utility model is implemented
Range, i.e., equivalent changes and modifications made according to the scope of the patent of the utility model and the content of the manual should still belong to practical
It is novel cover in the range of.
Claims (5)
1. catalytic reaction device, it is characterised in that: including
One electro-catalysis ontology, including anode catalyst layer, dielectric layer and cathode layer made of being sequentially overlapped under upper；
With an electrolytic cell, horizontal direction both ends are respectively equipped with a feed inlet and a discharge port；
Electro-catalysis ontology in the horizontal direction it is serpentine-like folding and form multilayered structure and be placed in electrolytic cell, and be immersed in continuously from
Feed inlet flows into and carries out electrocatalytic reaction, above-mentioned multilayered structure from the electrolyte solution containing pollutant that discharge port flows out
In adjacent two layers between have gap.
2. catalytic reaction device as described in claim 1, it is characterised in that: the dielectric layer with a thickness of 1~5mm.
3. catalytic reaction device as claimed in claim 2, it is characterised in that: the dielectric layer with a thickness of 2~3mm.
4. catalytic reaction device as described in claim 1, it is characterised in that: the number of plies of the multilayered structure is 2~12.
5. catalytic reaction device as claimed in claim 2, it is characterised in that: the number of plies of the multilayered structure is 4~6.
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| CN201820517014.4U CN208327482U (en) | 2018-04-12 | 2018-04-12 | Catalytic reaction device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820517014.4U CN208327482U (en) | 2018-04-12 | 2018-04-12 | Catalytic reaction device |
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| CN208327482U true CN208327482U (en) | 2019-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483584A (en) * | 2018-04-12 | 2018-09-04 | 华侨大学 | A kind of catalytic reaction device |
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2018
- 2018-04-12 CN CN201820517014.4U patent/CN208327482U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108483584A (en) * | 2018-04-12 | 2018-09-04 | 华侨大学 | A kind of catalytic reaction device |
| CN108483584B (en) * | 2018-04-12 | 2023-10-31 | 华侨大学 | Electrocatalytic reaction device |
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