CN206783376U - A kind of electrochemical appliance of degradation of organic waste water - Google Patents

A kind of electrochemical appliance of degradation of organic waste water Download PDF

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Publication number
CN206783376U
CN206783376U CN201720485365.7U CN201720485365U CN206783376U CN 206783376 U CN206783376 U CN 206783376U CN 201720485365 U CN201720485365 U CN 201720485365U CN 206783376 U CN206783376 U CN 206783376U
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China
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generation module
anode
hydrogen peroxide
plate
water
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CN201720485365.7U
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刘军
房蔚
戴昕
宫建瑞
袁道迎
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Nanjing Wondux Environmental Protection Technology Co Ltd
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Nanjing Wondux Environmental Protection Technology Co Ltd
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Abstract

The utility model discloses a kind of electrochemical appliance of degradation of organic waste water, including the ammonium persulfate generation module and hydrogen peroxide generation module being sequentially connected, the ammonium persulfate generation module are made up of reactor vessel, water-locator, anode and negative electrode;The hydrogen peroxide generation module is made up of reactor vessel and compound electrode plate;It is applied to provided with dc source on the anode and negative electrode and hydrogen peroxide generation module compound electrode of ammonium persulfate generation module, the anode of the ammonium persulfate generation module and the spacing of negative electrode are in 5cm~15cm, and the compound electrode plate spacing of the hydrogen peroxide generation module is in 15cm~20cm.The electrochemical reaction appts of hydrogen peroxide formation efficiency are improved, including ammonium persulfate generation module and hydrogen peroxide generation module, the ammonium persulfate generation module are made up of reactor vessel, water-locator, anode and negative electrode;The hydrogen peroxide generation module is made up of the compound electrode plate of reactor vessel and unlike material.

Description

A kind of electrochemical appliance of degradation of organic waste water
Technical field
A kind of wastewater treatment equipment is the utility model is related to, industrial organic wastewater with difficult degradation thereby is specifically handled or contains sulphur The processing unit of sour ammonium waste water.Especially a kind of electrochemical reaction appts for improving hydrogen peroxide formation efficiency.
Background technology
General waste water, can be by the organic substance in general waste water by traditional physics, biology or chemical means Remove or degrade, but waste water many at present contains larger amount of macromolecular or poisonous organic substance, causes waste water Biodegradability extreme difference.Therefore such industrial organic waste water is directed to, it is imperative develops potent electrochemical reactor.
Electrochemical oxidation process is anode is formed high redox potential state using electric energy, while is formed again such as hydroxyl certainly There is the oxide group of catalytic activity, under the synergy of these functions, the organic substance in waste water by base and free chlorine etc. It can be degraded.Electrochemical oxidation process processing time is short, floor space are small, catalytic activity is high, will not produce solid waste, It is a kind of excellent process for handling organic wastewater with difficult degradation thereby.But traditional electrochemical oxidation process reaction is only carried out in anode surface, There is the shortcomings that specific surface area is small, mass transfer effect is poor, in the application process of reality, poor there is disposal ability, power consumption is inclined The problem of high.
Electric Fenton is in the case where waste water is in acid condition, and negative electrode produces hydrogen peroxide, iron pole plate anode electrolysis go out to produce it is ferrous from Son, both materials produce Fenton effect, and free hydroxyl caused by Fenton's reaction has superpower oxidisability.Produce substantial amounts of Hydroxyl radical free radical is to wastewater through organic matter matter oxidative degradation.But it is poor that in general electricity Fenton there is hydrogen peroxide forms effect, and a large amount of Caused ferrous ion quantitatively mismatches, and causes the result of catalytic oxidation effect difference.The learned addition second of cobalt acetate three Amine system makees catalyst and replaces the cost of ferrous ion, the resolving ideas of catalyzing hydrogen peroxide, but cobalt high, the value of Economic Application Less.The electrocatalysis device for strengthening electro-catalysis efficiency for the yield for improving hydrogen peroxide is had no at present.
Utility model content
The utility model purpose:The utility model mainly solving the technical problems that, there is provided a kind of degradation of organic waste water Electrochemical appliance, and a kind of yield for improving hydrogen peroxide, two kinds of process advantages of electrochemical oxidation and electric Fenton are combined new Type electrochemical reaction appts, it is possible to increase the degradation efficiency of organic wastewater with difficult degradation thereby.
Technical solutions of the utility model:A kind of electrochemical appliance of degradation of organic waste water, it is characterised in that:Including connecting successively The ammonium persulfate generation module and hydrogen peroxide generation module connect, the ammonium persulfate generation module by reactor vessel, water-locator, Anode and negative electrode composition;The hydrogen peroxide generation module is made up of reactor vessel and compound electrode plate;Applied provided with dc source It is added on the anode and negative electrode and hydrogen peroxide generation module compound electrode of ammonium persulfate generation module, the ammonium persulfate generates mould The anode of block and the spacing of negative electrode in 5cm~15cm, the compound electrode plate spacing of the hydrogen peroxide generation module 15cm~ 20cm。
The anode of ammonium persulfate generation module and the metallic plate that negative electrode is parallel ground level, negative electrode is under, cathode bottom Provided with water-locator, the water inlet of accessing pending water is connected to water-locator.Equal perforate on negative electrode and anode, the perforate on negative electrode are greater than Perforate on anode.
The flow velocity of water-locator delivery port is in 0.5m/s~1.5m/s.
Hydrogen peroxide generation module compound electrode is alternatively distributed vertical positive plate and graphite cathode plate, positive plate and the moon Leave the gap of water flowing in the end of pole plate.
The material of minus plate is lead-antimony alloy electrode in ammonium persulfate generation module, and anode is titanium-based platinized electrode.
At least one piece pole plate using platinum electrode as anode of battery lead plate in hydrogen peroxide generation module, at least one piece with pure Iron is the battery lead plate of anode.
The utility model is also a kind of electrochemical reaction appts for improving hydrogen peroxide formation efficiency.
Beneficial effect:Electrochemical oxidation process and electro-fenton process are combined by the utility model, for containing ammonium sulfate or difficulty The waste water of the more content of degradation of organic substances develops a set of new electrochemical appliance.Apparatus structure of the present utility model is simple, with Traditional electrochemical reactor compares the growing amount that can effectively improve hydrogen peroxide in system, can be effective by hardly degraded organic substance Catalytic degradation, the processing for the high ammonia nitrogen concentrated waters of RO being particularly suitable for use in garbage percolation liquid treating system.
Brief description of the drawings
Fig. 1 is sectional view of the present utility model;
Fig. 2 is axonometric drawing of the present utility model;
Fig. 3 is top view of the present utility model.
Wherein, 1, ammonium persulfate generation module, 2, reactor water inlet, 3, ammonium persulfate generation module positive plate, 4, mistake Ammonium sulfate generation module minus plate, 5, hydrogen peroxide generation module, 6, hydrogen peroxide generation module battery lead plate, 7, reactor delivery port.
Embodiment
Technical solutions of the utility model are described in detail below by accompanying drawing, but the scope of protection of the utility model It is not limited to the embodiment.
Preferably, to reach good water distribution effect, anode and the negative electrode of ammonium persulfate generation module are parallel Horizon The metallic plate in face, for negative electrode under, cathode bottom is provided with water-locator, and the water inlet of accessing pending water is connected to water-locator;Can be uniform Water distribution, and the flow velocity of water-locator delivery port is in 0.5m/s~1.5m/s.Perforate is uniformly provided with negative electrode and anode, on negative electrode Perforate is greater than the perforate on anode.
Hydrogen peroxide generation module compound electrode is alternatively distributed vertical positive plate and graphite cathode plate, positive plate and the moon Leave the gap of water flowing in the end of pole plate.In battery lead plate in hydrogen peroxide generation module at least one piece using platinum electrode as anode Pole plate, at least one piece battery lead plate using pure iron as anode.
Preferably, the material of minus plate is lead-antimony alloy electrode in ammonium persulfate generation module, and anode is titanium-based platinum plating electricity Pole;Minus plate is in lower section, and up, the perforate of minus plate is greater than the perforate of positive plate to positive plate, can pass through sluggish flow It will not be mutually mixed quickly through positive plate, current while minus plate.
Preferably, at least one piece pole plate using platinum electrode as anode of the battery lead plate in hydrogen peroxide generation module, at least One piece of battery lead plate using pure iron as anode, minus plate is graphite material.
Specifically processing procedure is:Waste water need to pass through pretreatment, using sulfuric acid acid adjustment or be specifically imposed by ammonium sulfate so that pH The content of ammonium sulfate is 300mg/L~500mg/L in 3~4, water body.Electrochemical reactor is sent into by water pump afterwards to carry out instead Should;The time HRT that electrochemical reactor is reacted is water outlet after 0.5~2.0h.
Electrode in ammonium persulfate generation module use D.C. regulated power supply (voltage is adjustable) power supply, current density for 10~ 35mA/cm2.Platinum electrode in hydrogen peroxide generation module uses D.C. regulated power supply power supply, current density as 10~35mA/cm2, Pure iron anode uses pulse square wave electric current power supply, current density as 2~10mA/cm2, pulse frequency is 0.5~1.0Hz, Pulse duty factor is 0.2~0.5.Test analysis can be carried out in delivery port sampling.Hydrogen peroxide generation module compound electrode is alternating The vertical pure iron positive plate and platinum electrode plate (negative electrode) of distribution.
The utility model runs qualified discharge at Nanjing landfill leachate treatment station.Examined through engineering operation, using this The technique of utility model can realize the stably reaching standard discharge of percolate RO dopes, significant for reducing pollution.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the utility model, every utilization The equivalent structure or equivalent flow conversion that the utility model specification and accompanying drawing content are made, or directly or indirectly it is used in other Related technical field, is similarly included in the scope of protection of the utility model.

Claims (6)

  1. A kind of 1. electrochemical appliance of degradation of organic waste water, it is characterised in that:Including the ammonium persulfate generation module being sequentially connected With hydrogen peroxide generation module, the ammonium persulfate generation module is made up of reactor vessel, water-locator, anode and negative electrode;It is described Hydrogen peroxide generation module is made up of reactor vessel and compound electrode plate;Ammonium persulfate generation module is applied to provided with dc source Anode and negative electrode and hydrogen peroxide generation module compound electrode on, the anode of the ammonium persulfate generation module and the spacing of negative electrode In 5cm ~ 15cm, the compound electrode plate spacing of the hydrogen peroxide generation module is in 15cm ~ 20cm.
  2. 2. the electrochemical appliance of degradation of organic waste water according to claim 1, it is characterised in that:Ammonium persulfate generation module Anode and negative electrode be parallel ground level metallic plate, for negative electrode under, cathode bottom is provided with water-locator, the water inlet of accessing pending water Mouth is connected to water-locator.
  3. 3. the electrochemical appliance of degradation of organic waste water according to claim 1, it is characterised in that:Negative electrode on anode with opening Hole, the perforate on negative electrode are greater than the perforate on anode.
  4. 4. the electrochemical appliance of degradation of organic waste water according to claim 1, it is characterised in that:Hydrogen peroxide generation module group Composite electrode is alternatively distributed vertical positive plate and graphite cathode plate, and the ends of anode plate and cathode plate is left between water flowing Gap.
  5. 5. the electrochemical appliance of degradation of organic waste water according to claim 1, it is characterised in that:The material of minus plate is lead Antimony alloy electrode, anode are titanium-based platinized electrode.
  6. 6. the electrochemical appliance of degradation of organic waste water according to claim 4, it is characterised in that:In hydrogen peroxide generation module At least one piece pole plate using platinum electrode as anode of battery lead plate, at least one piece of battery lead plate using pure iron as anode.
CN201720485365.7U 2017-05-03 2017-05-03 A kind of electrochemical appliance of degradation of organic waste water Active CN206783376U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720485365.7U CN206783376U (en) 2017-05-03 2017-05-03 A kind of electrochemical appliance of degradation of organic waste water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720485365.7U CN206783376U (en) 2017-05-03 2017-05-03 A kind of electrochemical appliance of degradation of organic waste water

Publications (1)

Publication Number Publication Date
CN206783376U true CN206783376U (en) 2017-12-22

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