CN107758865A - A kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water - Google Patents
A kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water Download PDFInfo
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- CN107758865A CN107758865A CN201610693814.7A CN201610693814A CN107758865A CN 107758865 A CN107758865 A CN 107758865A CN 201610693814 A CN201610693814 A CN 201610693814A CN 107758865 A CN107758865 A CN 107758865A
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/163—Nitrates
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
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- Separation Using Semi-Permeable Membranes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
A kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water, comprises the steps：1) coking reverse osmosis concentrated water enters two-part Anoxic/Aerobic reaction tank；2) in I section of setting glucose medicine system of anoxic, the effluent nitrate-nitrogen that I section of anoxic is 8~26mg/L, and ammonia nitrogen is 1~5mg/L；3) then, into being provided with aerobic I section of porous foam sponge filler, be provided with II section of the anoxic of sodium acetate medicine system, and 5) enter and be provided with into being provided with aerobic II section of acupuncture polyurethane fiber strip filler；Glucose medicine system PLC controls pH robot control system(RCS)s ensure that the pH value in II section of I section of anoxic and anoxic is maintained between 6.5~7.8 by adding the hydrochloric acid of concentration 1~8%, aerating system ensures aerobic I section and aerobic II section of dissolved oxygen is 3~6mg/L, coking reverse osmosis concentrated water passes through aerobic II section, by going out water pump qualified discharge.According to the present invention, reduce environmental pollution, respond actively increasingly strict legislations of environmental protection.
Description
Technical field
The invention belongs to water-treatment technology field, and in particular to a kind of technology of coking reverse osmosis concentrated water advanced treating and side
Method.
Background technology
China is a coke big country.Coking is typical case " a two high money " industry of high energy consumption, high pollution, resource.It is raw
Substantial amounts of waste water can be discharged during production coke, 100,000,000 tons of coking chemical waste waters are about discharged in China every year.
Coking chemical waste water is the waste water that coal is formed in high-temperature retorting and gas purification, chemical products subtractive process, wherein
Contain tens kinds of pollutants such as phenol, ammonia nitrogen, cyanogen, benzene, pyridine, indoles and quinoline, complicated component, organic pollution concentration and sewage
Colourity is high, toxicity is big, and property is highly stable, is a kind of typical organic wastewater with difficult degradation thereby.
Country is just stepping up to the discharge standard of waste water and " energy-saving and emission-reduction " policy of correlation at present, on October, upper 2012
Promulgated from 1 day newly《Coking chemistry emission of industrial pollutants standard》(GB16171-2012), wherein《Coking chemistry industry is dirty
Contaminate thing discharge standard》It is required that from 1 day January in 2015, the coking drainage index that existing enterprise performs has strict requirements.
Waste water recycling is the final goal of wastewater treatment, is the implementation means of industry energy conservation emission reduction.Current simple coking
Recycle Technology of Waste Water can not meet enterprise requirements, and being by reuse after the coking chemical waste water progress advanced treating after biochemical treatment must
Right trend.
Domestic coking wastewater deep treatment technology is to be made reuse after coking wastewater deep treatment using reverse osmosis technology
For iron and steel enterprise's Municipal Sewage for Circulating, but existing subject matter is the processing of concentrated water caused by counter-infiltration.
Therefore, directly discharge, water body environment will certainly be produced if pollutant caused by reverse osmosis process is unprocessed
Raw greatly harm.The purpose of the present invention is exactly the water quality and quantity situation according to coking reverse osmosis concentrated water, is developed quick, efficient
The method for removing nitrate nitrogen, ammonia nitrogen and COD.The technique and device of the advanced treating of coking reverse osmosis concentrated water are developed, with green
Technique and energy-saving and emission-reduction are main task, reduce environmental pollution, respond actively increasingly strict legislations of environmental protection.
The content of the invention
In order to solve the problem of environmental pollution of nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water, the purpose of the present invention is
According to the water quality and quantity situation of coking reverse osmosis concentrated water, the method for fast and efficiently removing nitrate nitrogen, ammonia nitrogen and COD is developed.
According to the technique and device of the advanced treating of the exploitation coking reverse osmosis concentrated water of the present invention, based on friendly process and energy-saving and emission-reduction
Task is wanted, is reduced environmental pollution, responds actively increasingly strict legislations of environmental protection.
Technical solution of the present invention is as follows：
A kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water, using being provided with aerating system
And the two-part Anoxic/Aerobic reaction tank of PLC control pH robot control system(RCS)s, it is characterised in that methods described includes：
The two-part Anoxic/Aerobic reaction tank sets I section of the anoxic of glucose medicine system, is provided with porous foam sea
Aerobic I section of continuous filler, II section of the anoxic of sodium acetate medicine system is provided with, is provided with acupuncture polyurethane fiber strip filler
Aerobic II section；
Coking reverse osmosis concentrated water order enters I section of anoxic, in I section of anoxic, by glucose medicine system, according to carbon-nitrogen ratio 4
~5：1 ratio adds glucose, it is ensured that I section of denitrifying carbon source abundance of anoxic, the effluent nitrate-nitrogen that I section of anoxic are 8~26mg/
L, ammonia nitrogen are 1~5mg/L,
PLC controls pH robot control system(RCS)s by adding the hydrochloric acid of concentration 1~8%, it is ensured that the pH in II section of I section of anoxic and anoxic
Between value maintains 6.5~7.8,
Aerating system ensures aerobic I section and aerobic II section of dissolved oxygen is 3~6mg/L,
Coking reverse osmosis concentrated water passes through aerobic II section, by going out water pump qualified discharge.
According to a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water of the present invention, it is special
Sign is,
The electrical conductivity of the coking reverse osmosis concentrated water is 16200~18300us/cm, and nitrate nitrogen is 60~120mg/L, ammonia
Nitrogen is 1~5mg/L, and COD is 37~78mg/L.
The coking reverse osmosis concentrated water enters inlet water tank by pipeline, and the function of inlet water tank is regulating pondage.In inlet water tank
Coking reverse osmosis concentrated water two-part Anoxic/Aerobic reaction tank is squeezed into by intake pump.
According to a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water of the present invention, it is special
Sign is that I section of anoxic keeps dissolved oxygen in 0~2mg/L by mechanical agitation, and the hydraulic detention time that I section of anoxic is 4~5 small
When, mixed genetic-neural network is 2650~2950mg/L, and sludge sludge age is 8~10 days.
According to a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water of the present invention, it is special
Sign is that aerobic I section of hydraulic detention time is 6~8 hours, and mixed genetic-neural network is 6350~8650mg/L, dirty
Mud sludge age is 15~20 days.
According to a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water of the present invention, it is special
Sign is,
The porous foam sponge filler set in aerobic I section, a diameter of 10~16mm, porosity are 88~93%, compare table
Area is 6000~8500m2/m3。
Enter space, therefore the mixed genetic-neural network improved beneficial to bacterium and protozoan, improve and decontaminate
Contaminate thing removal efficiency.
According to a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water of the present invention, it is special
Sign is that aerobic I section of effluent nitrate-nitrogen is 15~30mg/L, and ammonia nitrogen is 0.5~1.5mg/L.
According to a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water of the present invention, it is special
Sign is that the hydraulic detention time that II section of anoxic is 2~4 hours, and mixed genetic-neural network is 1850~2350mg/L, dirty
Mud sludge age is 10~15 days.
The effluent nitrate-nitrogen that II section of anoxic is 0.2~1.5mg/L, and ammonia nitrogen is 1~5mg/L.
According to a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water of the present invention, it is special
Sign is, is additionally provided with compounded carbonses medicine system, compounded carbonses medicine system is according to carbon-nitrogen ratio 2~3：1 ratio is to two sections
Formula Anoxic/Aerobic reaction tank adds compounded carbonses,
The compound method of compounded carbonses：By methanol：Acetic acid：Sodium acetate proportionally 3~5：2：1 percentage mixing,
Then with 50~60 revs/min of 20~30min of mechanical agitation, 20~30min of ultrasound,
According to a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water of the present invention, it is special
Sign is that aerobic II section of hydraulic detention time is 4~6 hours, and mixed genetic-neural network is 4550~6750mg/L, dirty
Mud sludge age is 15~20 days.
According to a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water of the present invention, it is special
Sign is that the acupuncture polyurethane fiber strip filler set in aerobic II section, specific surface area is 8500~10500m2/m3, filler
Density is 0.72~0.85g/cm3。
Biofilm speed is fast, and biological attachment amount is more, forms multifarious microbiologic population, therefore improve nitrate nitrogen and ammonia nitrogen
Removal efficiency.
The coking reverse osmosis concentrated water is after whole technological process, and water outlet conductivity is 16200~18300us/cm, nitre
State nitrogen is 0.2~1.5mg/L, and ammonia nitrogen is 0.1~0.5mg/L, and COD is 17~28mg/L.
According to a kind of synchronous device for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water of the present invention, including order
I section of the anoxic of glucose medicine system is set, aerobic I section of porous foam sponge filler is provided with, is provided with sodium acetate dosing
II section of the anoxic of system, it is provided with aerobic II section of two-part Anoxic/Aerobic reaction tank of acupuncture polyurethane fiber strip filler；
In anoxic, I section is provided with glucose medicine system, according to carbon-nitrogen ratio 4~5：1 ratio adds glucose, it is ensured that lacks
I section of denitrifying carbon source abundance of oxygen；It is additionally provided with PLC control pH robot control system(RCS)s, it is ensured that the pH value dimension in II section of I section of anoxic and anoxic
Hold between 6.5~7.8, coking reverse osmosis concentrated water passes through aerobic II section, by going out water pump qualified discharge.
The device of nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water is removed according to a kind of synchronization of the present invention 1, its
It is characterised by, the porous foam sponge filler set in aerobic I section, a diameter of 10~16mm, porosity is 88~93%, compares table
Area is 6000~8500m2/m3。
According to a kind of synchronous device for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water of the present invention, it is special
Sign is, is additionally provided with compounded carbonses medicine system, compounded carbonses medicine system is according to carbon-nitrogen ratio 2~3：1 ratio is to two sections
Formula Anoxic/Aerobic reaction tank adds compounded carbonses.
According to a kind of synchronous device for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water of the present invention, it is special
Sign is that the acupuncture polyurethane fiber strip filler set in aerobic II section, specific surface area is 8500~10500m2/m3, filler
Density is 0.72~0.85g/cm3。
The present invention proposes the technical scheme of coking reverse osmosis concentrated water advanced treating, effectively solves reverse osmosis concentrated water nitre
The problem of environmental pollution of state nitrogen, ammonia nitrogen and COD.Therefore the invention belongs to the green production technology of steel, there is good society
Can benefit and environmental benefit.
Brief description of the drawings
Fig. 1 shows a kind of synchronous device for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water, including inlet water tank
1st, intake pump 2, two-part Anoxic/Aerobic reaction tank 3, PLC control pH robot control system(RCS)s 4, aerating system 5, I section 6 of anoxic, glucose
Medicine system 7, aerobic I section 8, porous foam sponge filler (aerobic I section) 9, II section 10 of anoxic, compounded carbonses medicine system 11,
Compounded carbonses 12, aerobic II section 13, acupuncture polyurethane fiber strip filler (aerobic II section) 14, go out water pump 15.
Embodiment
Patent for a better understanding of the present invention, with reference to the content of embodiment the present invention is furture elucidated patent, but
The content of patent of the present invention is not limited solely to the following examples.
The present invention is elaborated with reference to the accompanying drawings and examples.
Embodiment
Embodiment 1：
A kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water, including inlet water tank, intake pump,
Two-part Anoxic/Aerobic reaction tank, PLC control pH robot control system(RCS)s, aerating system, I section of anoxic, glucose medicine system, aerobic I
Section, porous foam sponge filler (aerobic I section), II section of anoxic, sodium acetate medicine system, aerobic II section, acupuncture polyurethane fiber
Strip filler (aerobic II section), go out water pump.The electrical conductivity of the coking reverse osmosis concentrated water is 17500us/cm, and nitrate nitrogen is
97mg/L, ammonia nitrogen 4.6mg/L, COD 72mg/L.
The coking reverse osmosis concentrated water enters inlet water tank by pipeline, and the function of inlet water tank is regulating pondage.In inlet water tank
Coking reverse osmosis concentrated water two-part Anoxic/Aerobic reaction tank is squeezed into by intake pump.
Two-part Anoxic/Aerobic reaction tank configuration PLC control pH robot control system(RCS)s and aerating system.PLC controls pH robot control system(RCS)s
Hydrochloric acid by adding concentration 1~8% ensures that the pH value in II section of I section of anoxic and anoxic maintains 6.8.Aerating system ensures
I section of oxygen and aerobic II section of dissolved oxygen are 5mg/L.
Reverse osmosis concentrated water initially enters I section of anoxic after entering two-part Anoxic/Aerobic reaction tank, and I section of anoxic is stirred by machinery
Mix and keep dissolved oxygen in 1.6mg/L.The hydraulic detention time that I section of anoxic is 5 hours, and mixed genetic-neural network is
2850mg/L, sludge sludge age are 10 days.Glucose medicine system is according to carbon-nitrogen ratio 5：1 ratio adds glucose, it is ensured that anoxic I
Section denitrifying carbon source is sufficient.The effluent nitrate-nitrogen that I section of anoxic is 21mg/L, ammonia nitrogen 4.5mg/L.
Then reverse osmosis concentrated water enters aerobic I section, and aerobic I section of hydraulic detention time is 7 hours, mixed liquor suspended solid, MLSS
Concentration is 8150mg/L, and sludge sludge age is 18 days.Porous foam sponge filler, a diameter of 12mm, porosity are disposed in aerobic I section
For 91%, specific surface area 8100m2/m3, enter space, therefore the mixed liquor suspended solid, MLSS improved beneficial to bacterium and protozoan
Concentration, improve removal contaminant removal efficiency.Aerobic I section of effluent nitrate-nitrogen is 21mg/L, ammonia nitrogen 1.4mg/L.
Reverse osmosis concentrated water enters II section of anoxic after aerobic I section outflow.The hydraulic detention time that II section of anoxic is 4 hours,
Mixed genetic-neural network is 2050mg/L, and sludge sludge age is 15 days.Compounded carbonses medicine system is according to carbon-nitrogen ratio 3：1 ratio
Example adds compounded carbonses.The compound method of compounded carbonses：By methanol：Acetic acid：Sodium acetate proportionally 4：2：1 percentage is mixed
Close, then with 60 revs/min of mechanical agitations 30min, ultrasonic 25min.The effluent nitrate-nitrogen that II section of anoxic is 1.3mg/L, ammonia nitrogen
For 1.4mg/L.
Then reverse osmosis concentrated water enters aerobic II section, and aerobic II section of hydraulic detention time is 5 hours, and mixed liquor suspends solid
Bulk concentration is 5650mg/L, and sludge sludge age is 17 days.Acupuncture polyurethane fiber strip filler, specific surface area are disposed in aerobic II section
For 10500m2/m3, packing density 0.81g/cm3, biofilm speed is fast, and biological attachment amount is more, forms multifarious micropopulation
Fall, therefore improve the removal efficiency of nitrate nitrogen and ammonia nitrogen.Aerobic I section of effluent nitrate-nitrogen is 0.5mg/L, ammonia nitrogen 0.3mg/L.
Coking reverse osmosis concentrated water passes through aerobic II section, by going out water pump qualified discharge.
The coking reverse osmosis concentrated water is after whole technological process, water outlet conductivity 17800us/cm, and nitrate nitrogen is
0.5mg/L, ammonia nitrogen 0.3mg/L, COD 23mg/L.
Example 2
A kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water, including inlet water tank, intake pump,
Two-part Anoxic/Aerobic reaction tank, PLC control pH robot control system(RCS)s, aerating system, I section of anoxic, glucose medicine system, aerobic I
Section, porous foam sponge filler (aerobic I section), II section of anoxic, sodium acetate medicine system, aerobic II section, acupuncture polyurethane fiber
Strip filler (aerobic II section), go out water pump.The electrical conductivity of the coking reverse osmosis concentrated water is 16900us/cm, and nitrate nitrogen is
73mg/L, ammonia nitrogen 3.2mg/L, COD 46mg/L.
The coking reverse osmosis concentrated water enters inlet water tank by pipeline, and the function of inlet water tank is regulating pondage.In inlet water tank
Coking reverse osmosis concentrated water two-part Anoxic/Aerobic reaction tank is squeezed into by intake pump.
Two-part Anoxic/Aerobic reaction tank configuration PLC control pH robot control system(RCS)s and aerating system.PLC controls pH robot control system(RCS)s
Hydrochloric acid by adding concentration 1~8% ensures that the pH value in II section of I section of anoxic and anoxic maintains 6.8.Aerating system ensures
I section of oxygen and aerobic II section of dissolved oxygen are 6mg/L.
Reverse osmosis concentrated water initially enters I section of anoxic after entering two-part Anoxic/Aerobic reaction tank, and I section of anoxic is stirred by machinery
Mix and keep dissolved oxygen in 1.5mg/L.The hydraulic detention time that I section of anoxic is 4 hours, and mixed genetic-neural network is
2810mg/L, sludge sludge age are 9 days.Glucose medicine system is according to carbon-nitrogen ratio 4：1 ratio adds glucose, it is ensured that anoxic I
Section denitrifying carbon source is sufficient.The effluent nitrate-nitrogen that I section of anoxic is 16mg/L, ammonia nitrogen 3.3mg/L.
Then reverse osmosis concentrated water enters aerobic I section, and aerobic I section of hydraulic detention time is 6 hours, mixed liquor suspended solid, MLSS
Concentration is 6950mg/L, and sludge sludge age is 16 days.Porous foam sponge filler, a diameter of 15mm, porosity are disposed in aerobic I section
For 89%, specific surface area 7300m2/m3, enter space, therefore the mixed liquor suspended solid, MLSS improved beneficial to bacterium and protozoan
Concentration, improve removal contaminant removal efficiency.Aerobic I section of effluent nitrate-nitrogen is 16mg/L, ammonia nitrogen 0.9mg/L.
Reverse osmosis concentrated water enters II section of anoxic after aerobic I section outflow.The hydraulic detention time that II section of anoxic is 3 hours,
Mixed genetic-neural network is 2050mg/L, and sludge sludge age is 12 days.Compounded carbonses medicine system is according to carbon-nitrogen ratio 2：1 ratio
Example adds compounded carbonses.The compound method of compounded carbonses：By methanol：Acetic acid：Sodium acetate proportionally 4：2：1 percentage is mixed
Close, then with 55 revs/min of mechanical agitations 20min, ultrasonic 25min.The effluent nitrate-nitrogen that II section of anoxic is 0.7mg/L, ammonia nitrogen
For 0.9mg/L.
Then reverse osmosis concentrated water enters aerobic II section, and aerobic II section of hydraulic detention time is 4 hours, and mixed liquor suspends solid
Bulk concentration is 5300mg/L, and sludge sludge age is 18 days.Acupuncture polyurethane fiber strip filler, specific surface area are disposed in aerobic II section
For 9500m2/m3, packing density 0.80g/cm3, biofilm speed is fast, and biological attachment amount is more, forms multifarious micropopulation
Fall, therefore improve the removal efficiency of nitrate nitrogen and ammonia nitrogen.Aerobic I section of effluent nitrate-nitrogen is 0.5mg/L, ammonia nitrogen 0.3mg/L.
Coking reverse osmosis concentrated water passes through aerobic II section, by going out water pump qualified discharge.
The coking reverse osmosis concentrated water is after whole technological process, water outlet conductivity 17100us/cm, and nitrate nitrogen is
0.5mg/L, ammonia nitrogen 0.3mg/L, COD 19mg/L.
In summary, the present invention realizes a kind of synchronous side for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water
Method, present invention process one-time investment are low；Water treatment effect is stable, has fully demonstrated the effect of energy-saving and emission-reduction, is environment friend
The green process for producing steel and iron of good type.
Certainly, those skilled in the art in the art are it should be appreciated that above-described embodiment is intended merely to illustrate this hair
It is bright, rather than as limitation of the invention, as long as in the spirit of the present invention, conversion, change to above-described embodiment
Shape will all fall within the scope of the claims.
Claims (14)
1. a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water, using be provided with aerating system and
PLC controls the two-part Anoxic/Aerobic reaction tank of pH robot control system(RCS)s, it is characterised in that methods described includes：
The two-part Anoxic/Aerobic reaction tank sets I section of the anoxic of glucose medicine system, is provided with porous foam sponge and fills out
Aerobic I section of material, is provided with II section of the anoxic of sodium acetate medicine system, is provided with the aerobic of acupuncture polyurethane fiber strip filler
II section；
Coking reverse osmosis concentrated water order enters I section of anoxic, in I section of anoxic, by glucose medicine system, according to carbon-nitrogen ratio 4~5：1
Ratio add glucose, it is ensured that I section of denitrifying carbon source abundance of anoxic, the effluent nitrate-nitrogen that I section of anoxic are 8~26mg/L, ammonia
Nitrogen is 1~5mg/L,
PLC controls pH robot control system(RCS)s by adding the hydrochloric acid of concentration 1~8%, it is ensured that the pH value dimension in II section of I section of anoxic and anoxic
Hold between 6.5~7.8,
Aerating system ensures aerobic I section and aerobic II section of dissolved oxygen is 3~6mg/L,
Coking reverse osmosis concentrated water passes through aerobic II section, by going out water pump qualified discharge.
2. a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water as claimed in claim 1, it is special
Sign is,
The electrical conductivity of the coking reverse osmosis concentrated water is 16200~18300us/cm, and nitrate nitrogen is 60~120mg/L, ammonia nitrogen 1
~5mg/L, COD are 37~78mg/L.
The coking reverse osmosis concentrated water enters inlet water tank by pipeline, and the function of inlet water tank is regulating pondage.Jiao in inlet water tank
Change reverse osmosis concentrated water and two-part Anoxic/Aerobic reaction tank is squeezed into by intake pump.
3. a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water as claimed in claim 1, it is special
Sign is that I section of anoxic keeps dissolved oxygen in 0~2mg/L by mechanical agitation, and the hydraulic detention time that I section of anoxic is 4~5 small
When, mixed genetic-neural network is 2650~2950mg/L, and sludge sludge age is 8~10 days.
4. a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water as claimed in claim 1, it is special
Sign is that aerobic I section of hydraulic detention time is 6~8 hours, and mixed genetic-neural network is 6350~8650mg/L, dirty
Mud sludge age is 15~20 days.
5. a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water as claimed in claim 1, it is special
Sign is that the porous foam sponge filler set in aerobic I section, a diameter of 10~16mm, porosity is 88~93%, compares surface
Product is 6000~8500m2/m3。
Enter space, therefore the mixed genetic-neural network improved beneficial to bacterium and protozoan, improve removal pollutant
Removal efficiency.
6. a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water as claimed in claim 1, it is special
Sign is that aerobic I section of effluent nitrate-nitrogen is 15~30mg/L, and ammonia nitrogen is 0.5~1.5mg/L.
7. a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water as claimed in claim 1, it is special
Sign is that the hydraulic detention time that II section of anoxic is 2~4 hours, and mixed genetic-neural network is 1850~2350mg/L, dirty
Mud sludge age is 10~15 days.
The effluent nitrate-nitrogen that II section of anoxic is 0.2~1.5mg/L, and ammonia nitrogen is 1~5mg/L.
8. a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water as claimed in claim 1, it is special
Sign is, is additionally provided with compounded carbonses medicine system, compounded carbonses medicine system is according to carbon-nitrogen ratio 2~3：1 ratio is to two sections
Formula Anoxic/Aerobic reaction tank adds compounded carbonses,
The compound method of compounded carbonses：By methanol：Acetic acid：Sodium acetate proportionally 3~5：2：1 percentage mixing, then
With 50~60 revs/min of 20~30min of mechanical agitation, 20~30min of ultrasound.
9. a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water as claimed in claim 1, it is special
Sign is that aerobic II section of hydraulic detention time is 4~6 hours, and mixed genetic-neural network is 4550~6750mg/L, dirty
Mud sludge age is 15~20 days.
10. a kind of synchronous method for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water as claimed in claim 1, it is special
Sign is,
The acupuncture polyurethane fiber strip filler set in aerobic II section, specific surface area are 8500~10500m2/m3, packing density
For 0.72~0.85g/cm3。
Biofilm speed is fast, and biological attachment amount is more, forms multifarious microbiologic population, therefore improves going for nitrate nitrogen and ammonia nitrogen
Except efficiency.
The coking reverse osmosis concentrated water is after whole technological process, and water outlet conductivity is 16200~18300us/cm, nitrate nitrogen
For 0.2~1.5mg/L, ammonia nitrogen is 0.1~0.5mg/L, and COD is 17~28mg/L.
11. a kind of synchronous device for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water, including order set glucose
I section of the anoxic of medicine system, aerobic I section of porous foam sponge filler is provided with, is provided with the anoxic of sodium acetate medicine system
II section, it is provided with aerobic II section of two-part Anoxic/Aerobic reaction tank of acupuncture polyurethane fiber strip filler；
In anoxic, I section is provided with glucose medicine system, according to carbon-nitrogen ratio 4~5：1 ratio adds glucose, it is ensured that anoxic I
Section denitrifying carbon source is sufficient；It is additionally provided with PLC control pH robot control system(RCS)s, it is ensured that the pH value in II section of I section of anoxic and anoxic maintains
Between 6.5~7.8, coking reverse osmosis concentrated water passes through aerobic II section, by going out water pump qualified discharge.
12. a kind of synchronous device for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water as claimed in claim 11, its
It is characterised by, the porous foam sponge filler set in aerobic I section, a diameter of 10~16mm, porosity is 88~93%, compares table
Area is 6000~8500m2/m3。
13. a kind of synchronous device for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water as claimed in claim 11, its
It is characterised by, is additionally provided with compounded carbonses medicine system, compounded carbonses medicine system is according to carbon-nitrogen ratio 2~3：1 ratio is to two
Segmentation Anoxic/Aerobic reaction tank adds compounded carbonses.
14. a kind of synchronous device for removing nitrate nitrogen, ammonia nitrogen and COD in coking reverse osmosis concentrated water as claimed in claim 1, it is special
Sign is that the acupuncture polyurethane fiber strip filler set in aerobic II section, specific surface area is 8500~10500m2/m3, filler
Density is 0.72~0.85g/cm3。
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