CN110194561A - A kind of processing method of the agricultural chemicals waste water containing triazolone - Google Patents

A kind of processing method of the agricultural chemicals waste water containing triazolone Download PDF

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Publication number
CN110194561A
CN110194561A CN201910453679.2A CN201910453679A CN110194561A CN 110194561 A CN110194561 A CN 110194561A CN 201910453679 A CN201910453679 A CN 201910453679A CN 110194561 A CN110194561 A CN 110194561A
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waste water
agricultural chemicals
chemicals waste
processing method
soda acid
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CN110194561B (en
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刘广立
林松炜
卢耀斌
曾翠平
骆海萍
张仁铎
崔婉俊
徐俊添
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National Sun Yat Sen University
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/306—Pesticides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/10—Energy recovery
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/02—Specific form of oxidant
    • C02F2305/026—Fenton's reagent
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/06—Nutrients for stimulating the growth of microorganisms
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/005—Combined electrochemical biological processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used

Abstract

The present invention relates to a kind of processing methods of agricultural chemicals waste water containing triazolone.It the treating method comprises following steps: S1: precipitating reagent being added into the agricultural chemicals waste water containing triazolone, takes supernatant after stirring；S2: the synchronous production soda acid pond progress microorganism desalination of building microorganism desalination is synchronous to produce soda acid processing；S3: fenton catalyst is added in desalting chamber's water outlet into S2 and is reacted.Processing method of the invention can remove the COD in agricultural chemicals waste water to 112mg/L, reach agricultural chemicals waste water discharge standard, while completely remove the triazolone in agricultural chemicals waste water；COD removal rate is up to 93.1%；The alkali of generation can realize whole reuses, base amount about 50% can be saved, the price for generating soda acid is almost 6.5 times of institute's power consumption expense, this is greatly lowered the synchronous operating cost for producing soda acid pond processing agricultural chemicals waste water of microorganism desalination, has apparent advantage compared with traditional coagulating sedimentation joint Fenton processing agricultural chemicals waste water.

Description

A kind of processing method of the agricultural chemicals waste water containing triazolone
Technical field
The invention belongs to bioelectrochemical system fields, and in particular to a kind of processing side of the agricultural chemicals waste water containing triazolone Method.
Background technique
Agricultural chemicals waste water complicated component includes a large amount of toxic and harmful ingredients, such as triazolone, cypermethrin, chlopyrifos Deng biochemical is poor and to the toxic effect of microorganism.The COD of agricultural chemicals waste water may be up to 1000mg/L or more, into after water body Shoal of fish breeding can be influenced, application on human skin and eyes are caused to stimulate and cause cutaneum carcinoma.The processing method of agricultural chemicals waste water includes biology Processing, Fenton's reaction, ozone oxidation, the methods of photochemical oxidation.Because of the bio-toxicity of agricultural chemicals waste water, so that biological treatment is past It is past to take a long time.Fenton's reaction, ozone treatment, although the advanced oxidation processes such as photochemical oxidation can drop dissolubility difficulty Solution organic matter has preferable removal effect, but operating cost is higher.Therefore one kind should be sought and can reduce processing energy consumption and improve The efficient agricultural chemicals waste water processing technique of effect.
Physical-chemical process such as coagulating sedimentation, although can remove a large amount of particle and colloidal substance, to water-soluble preferable Pesticide such as triazolone, chlopyrifos and other effects is unobvious.It is a kind of novel bioelectrochemical system that microorganism desalination, which produces soda acid pond, Can compared under low energy consumption with when desalination, produce acid produce alkali.With Resource recovery, energy consumption is small, advantage at low cost.And Fenton's reaction produces Raw hydroxyl radical free radical can have preferable removal effect to dissolubility hardly degraded organic substance, such as triazolone.
High salinity will affect advanced oxidation treatment effect, the possible reason is hydroxyl radical free radical by chloride ion eliminate to Inhibit its mineralization.Fenton oxidation needs to adjust pH to 3, can consume a large amount of acid, subsequent to be also required to a large amount of alkali progress PH is adjusted to neutrality, processing cost is high.In practical applications, it generally requires using a variety of method Combined Treatment agricultural chemicals waste waters, such as Coagulating sedimentation and Fenton oxidation handle agricultural chemicals waste water.
Therefore, one kind of multiple method Combined Treatment agricultural chemicals waste water processing techniques are developed to realize efficient treatment effect With important research significance and application value.
Summary of the invention
It is an object of the invention to overcome the processing technique of existing agricultural chemicals waste water, there are at high cost, energy consumption height, treatment effects Bad defect and deficiency provides a kind of processing method of agricultural chemicals waste water containing triazolone.The present invention uses coagulating sedimentation+micro- life Object desalination is synchronous to produce soda acid pond+Fenton's reaction group technology to handle the agricultural chemicals waste water containing triazolone, wherein coagulating sedimentation will Suspended particulate substance removal, microorganism desalination produce soda acid pond and agricultural chemicals waste water are carried out desalting processing to reducing subsequent processing difficulty, And electric energy and soda acid resource can be recycled, while reducing the energy consumption of processing agricultural chemicals waste water, Fenton's reaction removes in agricultural chemicals waste water Triazolone, and use water chemistry oxygen demand and reach discharge standard.The synchronous alkali for producing the generation of soda acid pond of microorganism desalination can be realized entirely The reuse in portion can save base amount about 50%, and the price for generating soda acid is almost 6.5 times of institute's power consumption expense, greatly reduce micro- The synchronous operating cost for producing soda acid pond processing agricultural chemicals waste water of biological desalination, it is useless that Fenton processing pesticide is combined with traditional coagulating sedimentation Water, which is compared, has apparent advantage.
The processing method provided by the present invention is completely removed the triazolone in agricultural chemicals waste water, and COD removal rate is 93.1%, at low cost, low energy consumption.
For achieving the above object, the present invention adopts the following technical scheme:
A kind of processing method of the agricultural chemicals waste water containing triazolone, includes the following steps:
S1: precipitating reagent is added into the agricultural chemicals waste water containing triazolone, takes supernatant after stirring；
S2: building microorganism desalination is synchronous to produce soda acid pond, the microorganism desalination is synchronous produce soda acid pond by Bipolar Membrane, yin from Proton exchange and cation-exchange membrane successively separate to form anode chamber, acid compartment, desalting chamber and cathode chamber；Supernatant conduct obtained by S1 Desalting chamber's solution carries out the synchronous soda acid that produces of microorganism desalination and handles；
S3: fenton catalyst is added in desalting chamber's water outlet into S2 and is reacted.
The present invention is contained using the synchronous soda acid pond+Fenton's reaction group technology that produces of coagulating sedimentation+microorganism desalination to handle The agricultural chemicals waste water of triazolone, wherein coagulating sedimentation removes suspended particulate substance, and COD removal rate is up to 31%.
Microorganism desalination produces soda acid pond and agricultural chemicals waste water is carried out desalting processing to reduce subsequent processing difficulty, and can return Electric energy and soda acid resource are received, while reducing the energy consumption of processing agricultural chemicals waste water, the synchronous alkali for producing the generation of soda acid pond of microorganism desalination can It realizes whole reuses, base amount about 50% can be saved, the synchronous soda acid pond a cycle institute power consumption that produces of microorganism desalination is 0.039kwh obtains institute's power consumption expense with one metaevaluation of kilowatt-hour as 0.039 yuan, and the price for generating soda acid is about 0.252 yuan, generates acid The price of alkali is almost 6.5 times of institute's power consumption expense, this is greatly lowered the synchronous soda acid pond processing pesticide that produces of microorganism desalination and gives up The operating cost of water has apparent advantage compared with traditional coagulating sedimentation joint Fenton processing agricultural chemicals waste water.
Fenton's reaction removes the triazolone in agricultural chemicals waste water, and uses water chemistry oxygen demand and reach discharge standard.
The processing method provided by the present invention is completely removed the triazolone in agricultural chemicals waste water, and COD removal rate is up to 93.1%, at low cost, total energy consumption is 2.5~6.3kwh/m3, low energy consumption.
The precipitating reagent of this field routine is used equally in the present invention.
Preferably, precipitating reagent is aluminum sulfate in S1.
Further include the steps that adjusting pH before precipitating reagent is added in S1, the control of pH can be selected according to the attribute of precipitating reagent It takes.
It is further preferable that further including the steps that the pH for adjusting the agricultural chemicals waste water containing triazolone is 7 before aluminum sulfate is added in S1.
Preferably, the anode chamber S2 Anodic liquid is made of sodium acetate, phosphate buffer solution, microelement and vitamin.
Sodium acetate, phosphate buffer solution, microelement and vitamin provide required nutrition for the growth of anode microorganism. Its dosage and concrete composition can be chosen according to the attribute of microorganism.
It is further preferable that the microelement be ammonium chloride, potassium chloride, nitrilotriacetic acid, magnesium sulfate, manganese sulfate, sodium chloride, In ferrous sulfate, calcium chloride, copper chloride, zinc chloride, copper sulphate, aluminum aluminum sulfate, boric acid, sodium molybdate, nickel chloride or sodium tungstate It is one or more of.
Preferably, the vitamin is biotin, folic acid, vitamin B6, vitamin B2, niacin, pantothenic acid, vitamin One or more of B12, p-aminobenzoic acid or vitamin B14.
Preferably, the solution of acid compartment and alkaline chamber is sodium chloride solution in S2.
It is further preferable that the mass fraction of the sodium chloride solution is 0.5~1g/L.
Most preferably, the mass fraction of the sodium chloride solution is 1g/L.
Preferably, the anode in S2 is carbon brush；Cathode is air cathode.
It is further preferable that the cathode is prepared via a method which to obtain: using binder by active carbon roll-in stainless Steel mesh to get.
Preferably, the effective area of Bipolar Membrane and anion and cation exchange membrane is 6~8cm in S22, air cathode it is effective Area is 6~8cm2。
It is further preferable that the effective area of Bipolar Membrane and anion and cation exchange membrane is 7cm in S22, air cathode has Effect area is 7cm2。
It preferably, further include being carried out at inoculation to anode chamber after the synchronous production soda acid pond building of microorganism desalination described in S2 The step of reason is started.
It is further preferable that when maximum current density is not less than 8A/m2, when stable operation at least three period, that is, think to start Success.
The fenton catalyst of this field routine is used equally in the present invention.
Preferably, fenton catalyst described in S3 is hydrogen peroxide and ferrous sulfate.
The Optimal pH condition of hydrogen peroxide and ferrous sulfate is 3.
It is further preferable that the pH for adjusting water outlet in S3 is 3.
It is further preferable that the concentration of hydrogen peroxide is 30~120mmol/L；The concentration of ferrous sulfate is 6~24mmol/L, The molar ratio of hydrogen peroxide and ferrous sulfate is 5~10:1.
Compared with prior art, the invention has the following beneficial effects:
The processing method provided by the present invention can remove the COD in agricultural chemicals waste water to 112mg/L, reach pesticide Wastewater discharge standard, while completely removing the triazolone in agricultural chemicals waste water；COD removal rate is up to 93.1%；It generates Alkali can realize whole reuses, can save base amount about 50%, and the price for generating soda acid is almost 6.5 times of institute's power consumption expense, this It is greatly lowered the synchronous operating cost for producing soda acid pond processing agricultural chemicals waste water of microorganism desalination, is combined with traditional coagulating sedimentation Fenton, which handles agricultural chemicals waste water and compares, has apparent advantage.
Detailed description of the invention
Fig. 1 is the electricity production curve synoptic diagram that microorganism desalination produces that soda acid pond handles the waste water containing triadimefon pesticide；
Fig. 2 is total energy consumption and the signal of the curve of time that microorganism desalination produces that soda acid pond handles the waste water containing triadimefon pesticide Figure.
Specific embodiment
Below with reference to embodiment, the present invention is further explained.These embodiments are merely to illustrate the present invention rather than limitation The scope of the present invention.Test method without specific conditions in lower example embodiment usually according to this field normal condition or is pressed The condition suggested according to manufacturer；Used raw material, reagent etc., unless otherwise specified, being can be from the business such as conventional market The raw materials and reagents that approach obtains.The variation for any unsubstantiality that those skilled in the art is done on the basis of the present invention And replacement belongs to scope of the present invention.
The COD of agricultural chemicals waste water in the embodiment of the present invention and comparative example containing triazolone is 1633mg/L, pH= 6.5, conductivity=5.3ms/cm, each mass of ion concentration is as follows: Na+=475mg/L, Mg2+=9mg/L, Ca2+=30mg/L, K+=231mg/L, Cl-=710mg/L, SO42-=827mg/L.
Wastewater source: waste water caused by production equipment cleans in Shaoguan pesticide producing factory.
Embodiment 1
The present embodiment provides a kind of processing method of agricultural chemicals waste water containing triazolone, process is as follows.
(1) coagulating sedimentation pre-processes the agricultural chemicals waste water containing triazolone: agricultural chemicals waste water pH is first adjusted to 7, in agricultural chemicals waste water plus The aluminum sulfate solution for entering 200mg/L after being stirred to react 60min, stands 15min and takes supernatant.After measured, the chemistry of supernatant needs Oxygen amount is 1126mg/L, pH=7.58, conductivity=5.3ms/cm, Na+=478mg/L, the mass concentration of each ion are as follows: Mg2+ =6mg/L, Ca2+=32mg/L, K+=225mg/L, Cl-=743mg/L, SO42-=829mg/L.At this point, COD is gone Except rate is 31%.
(2) the synchronous building and starting for producing soda acid pond of microorganism desalination, comprising the following steps:
(1) construct reactor: anode is carbon brush, cathode by active carbon as Catalytic Layer via PTFE roll-in in stainless steel It is prepared on the net.Sequence is separated by Bipolar Membrane, anion-exchange membrane and cation-exchange membrane between anode and cathode, forms sun Pole room, acid compartment, desalting chamber and cathode chamber.
(2) start reactor: the water inlet for taking Guangzhou Datansha sewerage treatment plant sanitary sewage and anolyte are proportionally 1:1 mixing is inoculated with, and anolyte (30mL) ingredient is sodium acetate 1g/L, 4.0896g/L disodium hydrogen phosphate, 2.544g/L phosphoric acid Sodium dihydrogen, 0.31g/L ammonium chloride (microelement), the potassium chloride (microelement) of 0.13g/L, remaining microelement of 12.5mL (nitrilotriacetic acid 3g/L, magnesium sulfate 3g/L, manganese sulfate 0.5g/L, sodium chloride 1g/L, ferrous sulfate 0.1g/L, calcium chloride 0.075g/ L, copper chloride 0.1g/L, zinc chloride 0.13g/L, copper sulphate 0.01g/L, aluminum aluminum sulfate 0.01g/L, boric acid 0.01g/L, sodium molybdate 0.025g/L, nickel chloride 0.024g/L, sodium tungstate 0.025g/L) and 12.5mL vitamin (biotin 0.2g/L, folic acid 0.2g/ L, vitamin B6 1g/L, vitamin B2 0.5g/L, niacin 0.5g/L, pantothenic acid 0.5g/L, vitamin B12 0.01g/L, p-aminophenyl Formic acid 0.5g/L, vitamin B14 0.5g/L).Acid compartment, alkaline chamber are the sodium chloride solution of 1g/L, and desalting chamber is by coagulating treatment Agricultural chemicals waste water supernatant afterwards.Anolyte is primary per replacement for 24 hours.Solution in desalting chamber is used for Fenton's reaction, acid compartment and alkaline chamber In solution recycle.
(3) reach 8A/m to the maximum current density of reactor2After above, 3 periods of stable operation, that is, think starting at Function, reactor both ends apply applied voltage, and outer connecting resistance is 10 ohm, and outer connecting resistance both ends connection capture card obtains reactor Voltage determines the electric current of MEDCC further according to Ohm's law, obtains the electricity production situation of reactor.
(4) electricity generation ability of observing response device, desalting ability produce sour situation, produce alkali situation, energy consumption.It is wherein total de- Salt rate is 89%, for 24 hours rear Na+, Mg2+, Ca2+,K+, Cl-, SO42-Concentration is respectively 15mg/L, 0mg/L, 1mg/L, 1mg/L, 25mg/L, 3mg/L, removal rate are respectively 99.6%, 100%, 97.5%, 99.6%, 96.7%, 99.6%.
Such as Fig. 1, the electricity production curve synoptic diagram that soda acid pond handles the waste water containing triadimefon pesticide is produced for microorganism desalination.It can from figure Know, the maximum current density reached in a cycle 20h is 5.5A/m2.Anode chamber sodium acetate COD has decreased to from 764mg/L 226mg/L, the COD removal rate of anolyte are 71%.
Such as Fig. 2, microorganism desalination produces the total energy consumption of soda acid pond processing waste water containing triadimefon pesticide and the curve of time is illustrated Figure, from figure it is found that increasing in the increase respectively at any time of 20h total energy consumption, maximum energy consumption is obtained in 20h, electric field energy consumption For 2.8kwh/m3, matrix energy consumption is 3.5kwh/m3, total energy consumption 6.3kwh/m3, mesostroma energy consumption accounts for the 45% of total energy consumption, I.e. energy-saving effect is 45%.
(3) pH value that microorganism desalination produces room water outlet in soda acid pond is adjusted to 3, be added 60mmol/L hydrogen peroxide and 12mmol/L ferrous sulfate carries out Fenton's reaction.After processing, the COD of supernatant is 148mg/L；Total COD Removal rate is 91%.
If the pH value that microorganism desalination produces room water outlet in soda acid pond is adjusted to 3, be added 120mmol/L hydrogen peroxide and 24mmol/L ferrous sulfate carries out Fenton's reaction.After processing, the COD of supernatant is 112mg/L.Total COD Removal rate is 93.1%.
Comparative example 1
This comparative example provides a kind of conventional coagulating sedimentation joint Fenton processing method, and detailed process is as follows.
It is handled according to step (1) and (3) in embodiment 1, agricultural chemicals waste water is after coagulating sedimentation pre-processes, without micro- life Object desalination produces the desalination of soda acid pond, and the pH for adjusting pretreated agricultural chemicals waste water is 3, using 60mmol/L hydrogen peroxide and 12mmol/L ferrous sulfate is 685mg/L, COD removal directly carrying out Fenton's reaction, wastewater effluent COD Rate is only 42%.
And according in embodiment 1, agricultural chemicals waste water is pre-processed through coagulating sedimentation, after desalting processing, using 60mmol/L peroxide Change hydrogen and 12mmol/L ferrous sulfate carries out Fenton's reaction, wastewater effluent COD is 148mg/L, and total COD is gone Except rate is 91%.Fenton's reaction is carried out using 120mmol/L hydrogen peroxide and 24mmol/L ferrous sulfate, wastewater effluent chemistry needs Oxygen amount is 112mg/L, and total COD removal rate is 93.1%, and effect is much better than mixed precipitation joint Fenton processing side Method.
It can be seen from the above, microorganism desalination produces soda acid pond and the pesticide containing triazolone gives up using method provided by the invention Ion in water carries out desalination removal, salt rejection rate 87.7%, while can reduce energy consumption, and total energy consumption is 2.5~6.3kwh/m3。 COD in agricultural chemicals waste water is removed to 112mg/L, agricultural chemicals waste water discharge standard is reached, while it is useless to completely remove pesticide Triazolone in water.Group technology COD removal rate is up to 93.1%.The alkali of generation can realize whole reuses, can save About base amount about 50%, the price for generating soda acid is almost 6.5 times of institute's power consumption expense, and it is same that this is greatly lowered microorganism desalination Step produces the operating cost of soda acid pond processing agricultural chemicals waste water, has compared with traditional coagulating sedimentation joint Fenton processing agricultural chemicals waste water Apparent advantage.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention, It should be equivalent substitute mode, be included within the scope of the present invention.

Claims (10)

1. a kind of processing method of the agricultural chemicals waste water containing triazolone, which comprises the steps of:
S1: precipitating reagent is added into the agricultural chemicals waste water containing triazolone, takes supernatant after stirring；
S2: building microorganism desalination is synchronous to produce soda acid pond, and the synchronous soda acid pond that produces of the microorganism desalination is handed over by Bipolar Membrane, anion Film and cation-exchange membrane is changed successively to separate to form anode chamber, acid compartment, desalting chamber and cathode chamber；Supernatant obtained by S1 is as desalination Room solution carries out the synchronous soda acid that produces of microorganism desalination and handles；
S3: fenton catalyst is added in desalting chamber's water outlet into S2 and is reacted.
2. processing method according to claim 1, which is characterized in that precipitating reagent is aluminum sulfate in S1.
3. processing method according to claim 1, which is characterized in that the anode chamber S2 Anodic liquid is delayed by sodium acetate, phosphate Rush solution, microelement and vitamin composition.
4. processing method according to claim 1, which is characterized in that the solution of acid compartment and alkaline chamber is that sodium chloride is molten in S2 Liquid.
5. processing method according to claim 1, which is characterized in that the mass fraction of the sodium chloride solution is 0.5~1g/ L。
6. processing method according to claim 1, which is characterized in that the anode in S2 is carbon brush；Cathode is air cathode.
7. processing method according to claim 1, which is characterized in that the significant surface of Bipolar Membrane and anion and cation exchange membrane in S2 Product is 6~8cm2, the effective area of air cathode is 6~8cm2。
8. processing method according to claim 1, which is characterized in that microorganism desalination described in S2 is synchronous to produce the building of soda acid pond Afterwards, further include the steps that inoculation processing is carried out to anode chamber to be started.
9. processing method according to claim 8, which is characterized in that when maximum current density is not less than 8A/m2, stable operation When at least three period, that is, think to start successfully.
10. processing method according to claim 1, which is characterized in that fenton catalyst described in S3 is hydrogen peroxide and sulphur It is sour ferrous；The pH that water outlet is adjusted in S3 is 3.
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