CN107610800A - A kind of method of low-activity organic liquid waste in electrochemical degradation - Google Patents
A kind of method of low-activity organic liquid waste in electrochemical degradation Download PDFInfo
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Abstract
The present invention relates to a kind of method of low-activity organic liquid waste in electrochemical degradation, belong to core field of Environment Protection.The free radical that this method produces substantial amounts of strong oxidizing property using electrochemical electrolysis electrolyte carries out catalysis oxidation, including following steps to organic matter：(1) after being sufficiently stirred middle low-activity organic liquid waste and emulsifying agent in stirred tank, electrolytic cell is delivered to mixed liquor of the electrolyte after miscible；(2) low-activity organic liquid waste is after electrolysis in giving up, the qualified feeding nuclear power station three-protection design system of mixed liquor detection.The parameters such as tret of the present invention by controlling the proportioning of emulsifying agent and middle low-activity organic liquid waste, the proportioning of missible oil mixture and electrolyte and electrolyte, can be oxidized to H by middle low-activity organic liquid waste2O and CO2.This method has the advantages that floor space is small, investment is low compared with technologies such as traditional burning, thermal crackings, does not produce radioactive emission, secondary waste is few.
Description
Technical field
The present invention relates to a kind of method of low-activity organic liquid waste in electrochemical degradation, belong to core field of Environment Protection.
Background technology
Contain a certain amount of organic liquid waste in caused middle cool waste in nuclear power station day-to-day operation, maintenance, at present
The three-protection design system of nuclear power station, the processing of waste oil is not considered in design, and it can only effectively be stored.It is low in nuclear power station
Radioactive myocardial damage mainly includes highly viscous lubricating oil (such as：Pumping fluid, machine oil, rail oil etc.) and low-flash fuel
Oil is (such as：Gasoline, kerosene, diesel oil etc.) etc., in this low-activity waste oil contain a small amount of β,Radionuclide, such as：58Co、60Co
、134Cs、137Cs etc..By taking a certain nuclear power plant of China as an example, the nuclear power plant every year caused low-activity waste oil in 0.5m3Left and right,
12m has been stored at this stage3(have currently reached at full capacity store), it is contemplated that caused low-activity waste oil should be within the phase in longevity for nuclear power plant
30m3More than.Because low-activity waste oil is with easy flowing and with fire, explosion risk, therefore low-activity waste oil exists
Storage and transport store to it all there is huge potential risk and movement requirement are extremely strict.On the other hand, both at home and abroad to low
Radioactivity waste oil is largely studied, portion of techniques extensive use abroad.For example, with plasma or other high temperature hot tearings
The mode of solution is handled as main technique, but the processing of " tail gas " has certain difficulty and complexity, such as radioactivity in the technique
Material with the discrete, bioxin of flue gas generation, and site layout project and environmental requirement etc. and limit the development of this technology.Cause
This, research and development one kind does not produce radioactive emission, environmental protection, efficient Spent Radioactive Method for treatment of oil have practical significance.
The inorganization processing of low-activity organic liquid waste is to dispose the best approach of low-activity waste oil, and this method will can have
Machine thing is changed into inorganic matter, carbon dioxide and H2O, the security in storage, transport and processing procedure is improved, and meet final place
Put the storage requirement of field.Oxidizing fire technology is one of effective measures of domestic and international universally recognized processing low-activity waste oil,
The technology is in the states such as the U.S., France, Germany, Japan, existing tens power stations and the operation of 20~40 years, managerial experiences, state
Interior research institution has also largely been studied and process certification.But in the product after middle low-activity Waste-oil combustion except
CO2And H2Outside O, other oxides and compound generation are also had, such as：SO2、P2O5、NOxAnd chloride etc., these are acid
Gas can cause serious corrosion to combustion apparatus after being combined with water；The pollution such as bioxin and flying dust can be produced in tail gas
Thing, environmental pollution is serious, while may also have60Co、137Cs and iodine etc. limit combustion method with limitations such as discharges
Extensive use.The inorganization handling process of low-activity waste oil also includes the technology such as pyrolitic oxidation, wet oxidation, but all there is with combustion
Burning method identical limitation.And low-activity organic liquid waste technology is that solve the optimal side of above limitation in electrochemical degradation
Method.
The general principle of electrochemical degradation organic liquid waste is：Pollutant occurs Direct Electrochemistry reaction or utilized on electrode
Strong oxidizing property active specy caused by electrode surface makes pollutant that redox transformation occur, and the former converts for Direct Electrochemistry,
The latter converts for indirect electrochemical.Direct Electrochemistry catalysis oxidation refers to：By caused by anode have Strong oxdiative ability from
By base (OH, hypochlorous acid, O2Deng) electrode surface occur oxidation and be decomposed into H2O and CO2。
The content of the invention
It is an object of the invention to provide a kind of method of low-activity organic liquid waste in electrochemical degradation, for solving nuclear power
Facility caused middle low-activity organic liquid waste that can not temporarily handle during checking maintenance.
To achieve these goals, the technical scheme is that：
A kind of method of low-activity organic liquid waste in electrochemical degradation, middle low-activity waste oil first pass around emulsification dissolving
Afterwards, middle low-activity organic liquid waste is then carried out by electrocatalytic oxidation by electrochemical method, and is finally changed into H2O and CO2,
Comprise the following steps：
Step 1: after middle low-activity organic liquid waste and emulsifying agent are sufficiently stirred in stirred tank, it is miscible with electrolyte
Mixed liquor afterwards delivers to electrolytic cell；
Step 2: middle low-activity organic liquid waste, after electrolysis, mixed liquor detection is qualified to be sent into nuclear power station three-protection design
System.
The method of low-activity organic liquid waste in described electrochemical degradation, middle low-activity organic liquid waste are pressed with emulsifying agent
After being mixed into the newborn mixture of oil according to ratio, then proportionally mix with electrolyte；Emulsifying agent is pressed with middle low-activity organic liquid waste
According to parts by weight meter, emulsifying agent puts into 1 part, in low put between organic liquid waste puts into 5 parts to 15 parts mixed；The newborn mixture of oil
With electrolyte in parts by weight, the newborn mixture of oil puts into 1 part, and electrolyte is mixed between putting into 20 parts to 40 parts.
The method of low-activity organic liquid waste in described electrochemical degradation, the electrolyte that electrolyte uses be sodium chloride,
Sodium nitrate or sodium sulphate.
The method of low-activity organic liquid waste in described electrochemical degradation, low-activity organic liquid waste in electrochemical degradation
Device include：Middle low-activity organic liquid waste storage bin, emulsifying agent storage bin, electrolyte storage bin, agitator one, agitator
2nd, electrolytic cell, converged between middle low-activity organic liquid waste storage bin, emulsifying agent storage bin by pipeline and be connected to agitator one,
Electrolyte storage bin, agitator one are converged by pipeline is connected to agitator two, and agitator two is connected by pipeline with electrolytic cell, electricity
The outlet for solving groove stores with waste liquid circulation system and nuclear power station three-protection design system connectivity, waste liquid circulation system with electrolyte respectively
Case connects.
The method of low-activity organic liquid waste in described electrochemical degradation, in middle low-activity organic liquid waste storage bin
Emulsifying agent in middle low-activity organic liquid waste, emulsifying agent storage bin is entered in agitator one by pipeline, is sufficiently stirred
Form the newborn mixture of oil；The electrolyte stored in electrolyte storage bin is fed through in agitator two through piping, and is stirred with passing through
Mix after the oily newborn mixture that device one is sufficiently stirred converges in agitator two and stir；By two well-mixed mixing of agitator
Liquid, it is delivered in electrolytic cell and carries out electrochemical degradation.
The method of low-activity organic liquid waste in described electrochemical degradation, between electrolyte storage bin and agitator two
Pipeline also connects with high concentration electrolyte storage bin, is determined by the electric conductivity detector set in a cell in electrolytic process
The damaed cordition of electrolyte, and timing is supplemented by the electrolyte stored in high concentration electrolyte storage bin.
The method of low-activity organic liquid waste in described electrochemical degradation, the cell body of electrolytic cell is interior to be divided into using dividing plate
Three independent compartments, the bottom liquid inlet of compartment, top go out liquid, arrange electrode in each compartment, electrode is divided into negative electrode and anode.
The method of low-activity organic liquid waste in described electrochemical degradation, dividing plate are four groups：Two groups of list dividing plates and two groups
Double dividing plates are vertically arranged in parallel, and two groups of list dividing plates are set close to both sides in cell body respectively, and two groups of double dividing plates are respectively in cell body
Middle part, two groups of double dividing plates are respectively that two dividing plates are relative, shift to install structure；Wherein：
Mixed liquor passage one is formed between on the inside of one group of list dividing plate and corresponding cell body, the top of mixed liquor passage one is with mixing
Close liquid charging aperture to communicate, the bottom of mixed liquor passage one is communicated by the bulkhead apertures of single dividing plate bottom with compartment；Another group of list every
Mixed liquor passage four is formed between on the inside of plate and corresponding cell body, the top of mixed liquor passage four passes through overfall and compartment phase
Logical, the bottom of mixed liquor passage four communicates with the mixed liquor floss hole of cell body bottom；
Mixed liquor passage two is formed between two dividing plates that one group of double dividing plate is oppositely arranged, mixed liquor passage two passes through top
Overfall and mixed liquor flow into the compartment of side and communicate, mixed liquor passage two passes through the bulkhead apertures of bottom and mixed liquor flows out
The compartment of side communicates；Mixed liquor passage three, mixed liquor passage are formed between two dividing plates that another group of double dividing plates are oppositely arranged
Three compartments for flowing into side with mixed liquor by the overfall at top communicate, mixed liquor passage three by the bulkhead apertures of bottom with
The compartment of mixed liquor outflow side communicates.
The method of low-activity organic liquid waste in described electrochemical degradation, agitator two convey the mixed liquor to come and passed through
Dividing plate, enter from the bulkhead apertures of bottom of electrolytic tank, after liquid liquid level to be mixed is risen at overfall, mixed liquor automatic transport to the
Continue to be electrolysed in two compartments；Substantial amounts of hydrogen can be produced in electrolytic process, in order to prevent hydrogen from hydrogen explosion occurs,
Gas skirt is set on electrolytic cell, and hydrogen discharges after collecting.
The method of low-activity organic liquid waste in described electrochemical degradation, set at the mixed liquor floss hole of electrolytic cell
Radioactive activity detecting system, COD detecting systems and content of organics detecting system, the content of mixed liquor detection includes but not office
It is limited to radioactive activity, COD value, content of organics；After detecting that mixed liquor radioactive activity reaches limit value, electrolyzer feed mouth
Stop charging, and close floss hole, the mixed liquor in electrolytic cell reaches nuclear power station three-protection design system by detection COD value to be connect
After by condition, nuclear power station three-protection design system is delivered to；Radioactive activity detecting system detects the radioactive activity of mixed liquor
Not up to higher limit when, mixed liquor floss hole discharge mixed liquor waste liquid circulation system is entered by pipeline, in after electrolysis
Low-activity organic liquid waste is delivered in electrolyte storage bin and re-used as electrolyte after evaporated and purified is handled.
Advantages of the present invention and beneficial effect are：
1st, the present invention is urged organic matter using the free radical of the substantial amounts of strong oxidizing property of electrochemical electrolysis electrolyte generation
Change oxidation, after middle low-activity organic liquid waste first passes around emulsification dissolving, mixed liquor passes through caused strong on electrolysis unit anode
Free radical (OH, hypochlorous acid, the O of oxidability2Deng) oxidation mixed liquor in organic liquid waste, organic liquid waste is finally changed
For H2O and CO2。
2nd, the inventive method compared with the technologies such as traditional burning, thermal cracking have floor space it is small, investment it is low, do not produce radiation
Property waste gas, the advantages that secondary waste is few.
Brief description of the drawings
Fig. 1 is the process chart of the present invention.
Fig. 2 is the simple diagram of electrolytic cell.
In figure, low-activity organic liquid waste storage bin in 1；2 emulsifying agent storage bins；3 electrolyte storage bins；4 agitators one；
5 agitators two；6 electrolytic cells；7 gas skirts；8 anodes；9 negative electrodes；10 dividing plates；11 high concentration electrolyte storage bins；12 bulkhead apertures；
13 compartments；14 mixed liquor charging apertures；15 mixed liquor floss holes；16 mixed liquor passages one；17 mixed liquor passages two；18 mixed liquors lead to
Road three；19 mixed liquor passages four；20 overfalls.
Embodiment
In specific implementation process, the inventive method is by middle low-activity organic liquid waste and efficient emulsifying agent in stirred tank
After being sufficiently stirred, with electrolyte it is miscible after deliver to electrolytic cell.Waste liquid is sent into nuclear power station three after electrolysis after detection is qualified
Useless processing system.So as to by controlling the proportioning of emulsifying agent and middle low-activity organic liquid waste, missible oil mixture and electrolyte
The parameters such as the tret of proportioning and electrolyte, can be oxidized to H by middle low-activity organic liquid waste2O and CO2。
As shown in figure 1, in electrochemical degradation low-activity organic liquid waste device, mainly include：Middle low-activity is organic
Waste liquid storage tank 1, emulsifying agent storage bin 2, electrolyte storage bin 3, agitator 1, agitator 25, electrolytic cell 6 and high concentration electric
Liquid storage bin 11 etc. is solved, converges to be connected to by pipeline between middle low-activity organic liquid waste storage bin 1, emulsifying agent storage bin 2 and stirs
Device 1 is mixed, electrolyte storage bin 3, agitator 1 are converged by pipeline is connected to agitator 25, electrolyte storage bin 3 and stirring
Pipeline between device 25 can also be connected with high concentration electrolyte storage bin 11, and agitator 25 is connected by pipeline and electrolytic cell 6
Logical, the outlet of electrolytic cell 6 is respectively with waste liquid circulation system and nuclear power station three-protection design system connectivity, and waste liquid circulation system is with being electrolysed
Liquid storage bin 3 connects.
As shown in figure 1, the technological process of low-activity organic liquid waste is as follows in electrochemical degradation of the present invention：
(1) in the middle low-activity organic liquid waste, emulsifying agent storage bin 2 in low-activity organic liquid waste storage bin 1
Emulsifying agent is entered in agitator 1 by pipeline, be sufficiently stirred forming the newborn mixture of oil.Emulsifying agent and organic liquid waste are matched somebody with somebody
Selected than the emulsifying agent used in, can be according to mass ratio 1:10 are mixed.The emulsifying agent of selection includes：Fat
The emulsifying agents such as acid type, benzene sulfonamide acid type and organic Amine Cation Type, but it is not limited to specific one or more kinds of emulsifying agents.
(2) electrolyte stored in electrolyte storage bin 3 is fed through in agitator 25 through piping, and is stirred with passing through
The oily newborn mixture that device 1 is sufficiently stirred stirs after converging in agitator 25, the mixed proportion of the newborn mixture of oil and electrolyte
Selected according to actual conditions, can be according to mass ratio 1:30 are mixed.
(3) pass through 25 well-mixed mixed liquor of agitator, be delivered in electrolytic cell 6 and carry out electrochemical degradation.
As shown in Fig. 2 electrolytic cell 6 is made up of D.C. regulated power supply, cell body, electrode and gas skirt etc., the groove of electrolytic cell 6
Three independent compartments 13 are divided into using dividing plate 10 in vivo, the bottom liquid inlet of compartment 13, top go out liquid, cloth in each compartment 13
Put some electrodes (anode 8 and negative electrode 9), a kind of including but not limited to following material of selection of anode and cathode material, negative electrode：Titanium closes
Gold, anode：The rare metal oxide coating such as lanthanum, actinium series.
Dividing plate 10 is four groups of (two groups of list dividing plates and two groups of double dividing plates) vertical parallel arrangements, and two groups of list dividing plates set close respectively
Both sides in cell body, the middle part in cell body, two groups of double dividing plates are respectively that two dividing plates are relative, misplacing sets to two groups of double dividing plates respectively
Put structure；Wherein：
Mixed liquor passage 1, the top of mixed liquor passage 1 are formed between on the inside of one group of list dividing plate and corresponding cell body
Communicated with mixed liquor charging aperture 14, the bottom of mixed liquor passage 1 is communicated by the bulkhead apertures of single dividing plate bottom with compartment 13；
Mixed liquor passage 4 19 is formed between on the inside of another group of list dividing plate and corresponding cell body, the top of mixed liquor passage 4 19 is by overflowing
Head piece communicates with compartment, and the bottom of mixed liquor passage 4 19 communicates with the mixed liquor floss hole 15 of cell body bottom.
Mixed liquor passage 2 17 is formed between two dividing plates that one group of double dividing plate is oppositely arranged, mixed liquor passage 2 17 passes through
The compartment that the overfall 20 at top and mixed liquor flow into side communicates, mixed liquor passage 2 17 by the bulkhead apertures 12 of bottom with
The compartment of mixed liquor outflow side communicates；Mixed liquor passage three is formed between two dividing plates that another group of double dividing plates are oppositely arranged
18, the compartment that mixed liquor passage 3 18 flows into side by the overfall at top with mixed liquor communicates, and mixed liquor passage 3 18 is logical
The bulkhead apertures for crossing bottom communicate with the compartment of mixed liquor outflow side.
Agitator 25 conveys the mixed liquor to come by dividing plate 10, enters from the bulkhead apertures of the bottom of electrolytic cell 6, waits to mix
After conjunction liquid liquid level is risen at overfall, continue to be electrolysed in mixed liquor automatic transport to second compartment.In electrolytic process
Substantial amounts of hydrogen can be produced, in order to prevent hydrogen from hydrogen explosion occurs, gas skirt 7 is set on electrolytic cell, and hydrogen is by collecting
After discharge.
(4) radioactive activity detecting system, COD detecting systems are set at the mixed liquor floss hole 15 of electrolytic cell 6 and had
Machine thing content detection system, the content of mixed liquor detection include but is not limited to radioactive activity, COD value, content of organics.Inspection
Measure after mixed liquor radioactive activity reaches limit value, electrolyzer feed mouth stops charging, and closes floss hole, mixed in electrolytic cell
Liquid is closed after detection COD value reaches the acceptable condition of nuclear power station three-protection design system, is delivered to nuclear power station three-protection design system.
When radioactive activity detecting system detects that the radioactive activity of mixed liquor is not up to higher limit, what mixed liquor floss hole 15 was discharged
Mixed liquor enters waste liquid circulation system by pipeline, and the middle low-activity organic liquid waste after electrolysis is handled by evaporated and purified
Afterwards, it is delivered in electrolyte storage bin 3 and is re-used as electrolyte.
In electrolytic process, electrolyte and loss of moist in electrolyte can be caused due to a variety of causes.In order to ensure electricity
Solution liquid has higher electric conductivity, can also set high concentration electrolyte storage bin 11, pass through the conductance set in a cell
Rate detector determines the damaed cordition of electrolyte in electrolytic process, and the regularly electricity by being stored in high concentration electrolyte storage bin 11
Solution liquid is supplemented.The electrolyte that electrolyte uses includes but is not limited to following electrolyte, sodium chloride, sodium nitrate or sodium sulphate
Deng the concentration range of electrolyte is 3wt%-7wt% in electrolyte storage bin 3, electrolyte in high concentration electrolyte storage bin 11
Concentration range be 50wt%-80wt%.
In addition, the storage device of middle low-activity organic liquid waste, emulsifying agent and electrolyte that the present invention uses, electrolyte storage
Cryopreservation device, filter, electrolytic cell and microbial reaction case etc., are not limited to certain size and specification, according to reality
Treating capacity is adjusted accordingly.
The principal character and technological merit of the present invention is shown above, and there is simple to operate, achievable full-automation, do not produce
Radioactive liquid waste, the advantage such as waste yield is few, floor space is small, processing cost is low, investment is small.The present invention is not by above-mentioned implementation
Example limitation, on the premise of cardinal principle of the present invention is not departed from, various changes and modifications of the present invention are possible, these change and
Improvement all fall within the protetion scope of the claimed invention.
Claims (10)
1. a kind of method of low-activity organic liquid waste in electrochemical degradation, it is characterised in that middle low-activity waste oil passes through first
After Over emulsfication dissolving, middle low-activity organic liquid waste is then carried out by electrocatalytic oxidation by electrochemical method, and finally change
For H2O and CO2, comprise the following steps：
Step 1: after middle low-activity organic liquid waste and emulsifying agent are sufficiently stirred in stirred tank, with electrolyte it is miscible after
Mixed liquor delivers to electrolytic cell；
Step 2: middle low-activity organic liquid waste, after electrolysis, mixed liquor detection is qualified to be sent into nuclear power station three-protection design system.
2. the method for low-activity organic liquid waste in electrochemical degradation according to claim 1, it is characterised in that in low put
After penetrating property organic liquid waste and emulsifying agent are proportionally mixed into the newborn mixture of oil, then proportionally mix with electrolyte；Emulsifying agent
With middle low-activity organic liquid waste in parts by weight, emulsifying agent put into 1 part, in it is low put organic liquid waste put into 5 parts to 15 parts
Between mixed；With electrolyte in parts by weight, the newborn mixture of oil puts into 1 part to the newborn mixture of oil, electrolyte input 20
Part to being mixed between 40 parts.
3. the method for low-activity organic liquid waste in electrochemical degradation according to claim 1, it is characterised in that electrolyte
The electrolyte used is sodium chloride, sodium nitrate or sodium sulphate.
4. the method for low-activity organic liquid waste in electrochemical degradation according to claim 1, it is characterised in that electrochemistry
The device of low-activity organic liquid waste includes in degraded：Middle low-activity organic liquid waste storage bin, emulsifying agent storage bin, electrolyte
Storage bin, agitator one, agitator two, electrolytic cell, pass through between middle low-activity organic liquid waste storage bin, emulsifying agent storage bin
Pipeline, which converges, is connected to agitator one, and electrolyte storage bin, agitator one are converged by pipeline is connected to agitator two, agitator two-way
Cross pipeline to connect with electrolytic cell, the outlet of electrolytic cell is given up respectively with waste liquid circulation system and nuclear power station three-protection design system connectivity
Fluid circulation connects with electrolyte storage bin.
5. the method for low-activity organic liquid waste in electrochemical degradation according to claim 4, it is characterised in that in low put
The emulsifying agent in middle low-activity organic liquid waste, emulsifying agent storage bin in penetrating property organic liquid waste storage bin is entered by pipeline to be stirred
Mix in device one, be sufficiently stirred forming the newborn mixture of oil；The electrolyte stored in electrolyte storage bin is fed through through piping
In agitator two, and the oily newborn mixture with being sufficiently stirred by agitator one converge in agitator two after stir；By stirring
Two well-mixed mixed liquor of device is mixed, is delivered in electrolytic cell and carries out electrochemical degradation.
6. the method for low-activity organic liquid waste in electrochemical degradation according to claim 4, it is characterised in that electrolyte
Pipeline between storage bin and agitator two also connects with high concentration electrolyte storage bin, passes through the conductance set in a cell
Rate detector determines the damaed cordition of electrolyte in electrolytic process, and the regularly electrolysis by being stored in high concentration electrolyte storage bin
Liquid is supplemented.
7. the method for low-activity organic liquid waste in electrochemical degradation according to claim 1, it is characterised in that electrolytic cell
Cell body in three independent compartments are divided into using dividing plate, the bottom liquid inlet of compartment, top go out liquid, arrangement electricity in each compartment
Pole, electrode are divided into negative electrode and anode.
8. the method for low-activity organic liquid waste in electrochemical degradation according to claim 7, it is characterised in that dividing plate is
Four groups：Two groups of list dividing plates and two groups of double dividing plates are vertically arranged in parallel, and two groups of list dividing plates are set close to both sides in cell body respectively, and two groups double
The middle part in cell body, two groups of double dividing plates are respectively that two dividing plates are relative, shift to install structure dividing plate respectively；Wherein：
Mixed liquor passage one, the top of mixed liquor passage one and mixed liquor are formed between on the inside of one group of list dividing plate and corresponding cell body
Charging aperture is communicated, and the bottom of mixed liquor passage one is communicated by the bulkhead apertures of single dividing plate bottom with compartment；Another group of list dividing plate with
Mixed liquor passage four is formed between on the inside of corresponding cell body, the top of mixed liquor passage four is communicated with compartment by overfall, mixed
The bottom of liquid passage four is closed to communicate with the mixed liquor floss hole of cell body bottom；
Mixed liquor passage two is formed between two dividing plates that one group of double dividing plate is oppositely arranged, mixed liquor passage two is overflow by top
The compartment that head piece flows into side with mixed liquor communicates, and mixed liquor passage two flows out side by the bulkhead apertures of bottom with mixed liquor
Compartment communicate；Mixed liquor passage three, mixed liquor passage threeway are formed between two dividing plates that another group of double dividing plates are oppositely arranged
The overfall for crossing top communicates with the compartment of mixed liquor inflow side, and mixed liquor passage three is by the bulkhead apertures of bottom with mixing
The compartment that liquid stream goes out side communicates.
9. the method for low-activity organic liquid waste in electrochemical degradation according to claim 8, it is characterised in that agitator
The mixed liquor that two conveyings come is entered, liquid liquid level to be mixed rises to overfall by dividing plate from the bulkhead apertures of bottom of electrolytic tank
Behind place, continue to be electrolysed in mixed liquor automatic transport to second compartment；Substantial amounts of hydrogen can be produced in electrolytic process, is
Prevent hydrogen from hydrogen explosion occurs, gas skirt is set on electrolytic cell, hydrogen discharges after collecting.
10. the method for low-activity organic liquid waste in electrochemical degradation according to claim 1, it is characterised in that in electricity
Solve and radioactive activity detecting system, COD detecting systems and content of organics detecting system are set at the mixed liquor floss hole of groove, mix
The content for closing liquid detection includes but is not limited to radioactive activity, COD value, content of organics；Detect that mixed liquor radioactivity is lived
After degree reaches limit value, electrolyzer feed mouth stops charging, and closes floss hole, and the mixed liquor in electrolytic cell is by detection COD value
After reaching the acceptable condition of nuclear power station three-protection design system, nuclear power station three-protection design system is delivered to；Radioactive activity detection system
When system detects that the radioactive activity of mixed liquor is not up to higher limit, the mixed liquor of mixed liquor floss hole discharge is entered by pipeline
Waste liquid circulation system, by the middle low-activity organic liquid waste after electrolysis after evaporated and purified is handled, it is delivered to electrolyte storage
Re-used in case as electrolyte.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550410A (en) * | 2018-06-07 | 2018-09-18 | 广东核电合营有限公司 | Spent Radioactive oil treatment process |
| CN108597635A (en) * | 2018-06-06 | 2018-09-28 | 广东核电合营有限公司 | Spent Radioactive oil treatment process |
| CN109065202A (en) * | 2018-07-31 | 2018-12-21 | 北京纬纶华业环保科技股份有限公司 | The processing system and method for the useless organic phase of radioactive nucleus |
| CN109859876A (en) * | 2019-01-16 | 2019-06-07 | 中国辐射防护研究院 | A kind of Spent Radioactive machine oil Radionuclide separation method |
| CN111048224A (en) * | 2019-12-31 | 2020-04-21 | 西南科技大学 | Method for treating radioactive engine oil by inducing plasma through microwave activated carbon |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0297738A1 (en) * | 1987-06-29 | 1989-01-04 | United Kingdom Atomic Energy Authority | A method for the treatment of waste matter |
| US5489370A (en) * | 1989-05-08 | 1996-02-06 | Ionex | Removal of ions from a bulk source by electropotential ion transport using a host receptor matrix |
| CN104112485A (en) * | 2014-08-04 | 2014-10-22 | 中国原子能科学研究院 | Device for continuously destructing radiative waste organic solvent |
| CN105913893A (en) * | 2016-04-25 | 2016-08-31 | 西南科技大学 | Method for treating radioactive organic waste liquid by means of electrochemical degradation method |
| CN107413762A (en) * | 2017-09-06 | 2017-12-01 | 沈阳中科腐蚀控制工程技术有限公司 | A kind of nuclear facilities ultrasonic electrochemical radioactive pollution decontamination plant and method |
-
2017
- 2017-09-06 CN CN201710794846.0A patent/CN107610800B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0297738A1 (en) * | 1987-06-29 | 1989-01-04 | United Kingdom Atomic Energy Authority | A method for the treatment of waste matter |
| US5489370A (en) * | 1989-05-08 | 1996-02-06 | Ionex | Removal of ions from a bulk source by electropotential ion transport using a host receptor matrix |
| CN104112485A (en) * | 2014-08-04 | 2014-10-22 | 中国原子能科学研究院 | Device for continuously destructing radiative waste organic solvent |
| CN105913893A (en) * | 2016-04-25 | 2016-08-31 | 西南科技大学 | Method for treating radioactive organic waste liquid by means of electrochemical degradation method |
| CN107413762A (en) * | 2017-09-06 | 2017-12-01 | 沈阳中科腐蚀控制工程技术有限公司 | A kind of nuclear facilities ultrasonic electrochemical radioactive pollution decontamination plant and method |
Non-Patent Citations (2)
| Title |
|---|
| 方祥洪 等: "放射性废油处理技术研究", 《山东化工》 * |
| 韩宝华: "放射性去污废液中的有机物及其处理技术", 《辐射防护通讯》 * |
Cited By (8)
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|---|---|---|---|---|
| CN108597635A (en) * | 2018-06-06 | 2018-09-28 | 广东核电合营有限公司 | Spent Radioactive oil treatment process |
| CN108550410A (en) * | 2018-06-07 | 2018-09-18 | 广东核电合营有限公司 | Spent Radioactive oil treatment process |
| CN108550410B (en) * | 2018-06-07 | 2020-01-31 | 广东核电合营有限公司 | Method for treating radioactive waste oil |
| CN109065202A (en) * | 2018-07-31 | 2018-12-21 | 北京纬纶华业环保科技股份有限公司 | The processing system and method for the useless organic phase of radioactive nucleus |
| CN109065202B (en) * | 2018-07-31 | 2024-03-08 | 北京纬纶华业环保科技股份有限公司 | System and method for treating radioactive nuclear waste organic phase |
| CN109859876A (en) * | 2019-01-16 | 2019-06-07 | 中国辐射防护研究院 | A kind of Spent Radioactive machine oil Radionuclide separation method |
| TWI699784B (en) * | 2019-10-29 | 2020-07-21 | 行政院原子能委員會核能研究所 | Radioactive organic aqueous waste treatment method and system thereof |
| CN111048224A (en) * | 2019-12-31 | 2020-04-21 | 西南科技大学 | Method for treating radioactive engine oil by inducing plasma through microwave activated carbon |
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Inventor after: Zang Hanyu Inventor after: Chen Bo Inventor after: Jin Wei Inventor after: Liu Yong Inventor before: Zang Hanyu Inventor before: Chen Bo Inventor before: Jin Wei Inventor before: Yu Hengyuan Inventor before: Liu Yong |