CN109626711A - A method of using doped yttrium biology film process epoxy propane waste water - Google Patents
A method of using doped yttrium biology film process epoxy propane waste water Download PDFInfo
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- CN109626711A CN109626711A CN201811431052.9A CN201811431052A CN109626711A CN 109626711 A CN109626711 A CN 109626711A CN 201811431052 A CN201811431052 A CN 201811431052A CN 109626711 A CN109626711 A CN 109626711A
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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
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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
- 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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F2101/30—Organic compounds
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
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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
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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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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- 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
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Abstract
The present invention relates to field of industrial waste water treatment, a kind of method using doped yttrium biology film process epoxy propane waste water disclosed in the method for the present invention, this programme is for the useless Organic substance in water of propylene oxide project, the high feature of salt content, waste water is first reduced into content of organics through Anaerobic Treatment, biogas is generated, as energy recovery.Using a kind of a kind of biomembrane for being added to doped yttrium film sulphonamide modified agent in A/O biochemical system reactor, it is effectively improved the anti-aging and antifouling property of biomembrane, use is more permanent, the wastewater treatment suitable for big flow.This programme has nutritive salt throwing amount few, and sludge discharge is few, the good feature of biochemical reaction effect, is suitble to be used in the processing of hydrogen peroxide legal system propylene oxide project waste water.
Description
Technical field
The present invention relates to field of industrial waste water treatment, it is suitble to be used in the place of hydrogen peroxide legal system propylene oxide project waste water
Reason.Particularly with regard to a kind of method using doped yttrium biology film process epoxy propane waste water.
Background technique
With the rapid development of economic construction, the discharge of a large amount of industrial wastewaters causes water resource in all parts of the country to have not
With the pollution of degree, physically and mentally healthy constitute of people is seriously affected.Though current China is in industrial waste water purifying and recovery technology
Certain progress is obtained, there are still some problems, and many enterprises only carry out conventional treatment to waste water, though waste water realizes row up to standard
It puts, but wastewater processing technology is still to be improved.
CN107651769A provides a kind of industrial wastewater treatment system, is related to industrial waste water treatment, including
Leaded, zinc waste water treatment system, contains arsenic, cadmium, lead, zinc waste water treatment system and comprehensive wastewater treatment system, and leaded, zinc gives up
Water treatment system and it is connected with comprehensive wastewater treatment system containing arsenic, cadmium, lead, zinc waste water treatment system, at leaded, zinc waste water
Reason system includes successively containing along adjusting collecting-tank even, force (forcing) pump, except lead zinc adsorption tanks, coagulation reaction tank and coagulative precipitation tank
Arsenic, cadmium, lead, zinc waste water treatment system include successively along adjusting collecting-tank, force (forcing) pump, reaction tank and sedimentation basin even, and synthesis is useless
Water treatment system includes successively along comprehensive adjustment pond, force (forcing) pump and micro-filtration membrane treatment appts even;The invention is with strong points, processing
Effect is obvious, economic and environment-friendly.
CN103159334A discloses a kind of Deep well waste water treatment device, and the wastewater treatment equipment is described useless at column
Water treatment facilities top is equipped with shield and the wastewater treatment equipment leans on place near to the upper end to be equipped with ejection passage, the wastewater treatment
Bottom of device is equipped with gas-liquid flow straightener.The invention compared with prior art, has the advantage that the inventive structure is simple, uses
It is convenient;Gas circulating effect of the present invention is good, and acutely, so that the utilization rate of oxygen is high, operation is convenient for gas-liquid turbulent flow;The invention is effective
The effect of wastewater treatment is improved, is suitble to promote the use of.
CN205740679U provides a kind of Treatment of Metal Surface wastewater treating technology field, refers in particular to alumilite process production
Wastewater treatment and reuse system, nickel-containing waste water processing unit include nickel-containing waste water processing module and nickel-containing waste water reuse water process mould
Block;Comprehensive wastewater processing unit includes degreasing wastewater treatment module, modifying porcelain module, treatment of Phosphorus Containing Waste Water module, acid
Wastewater treatment module and comprehensive wastewater reuse water treating module are washed, nickel-containing waste water processing module output end connects nickel-containing waste water reuse
Water treating module;Degreasing wastewater treatment module output end connects modifying porcelain module;Treatment of Phosphorus Containing Waste Water module output end
Connect pickling waste waters processing module;Modifying porcelain module and pickling waste waters processing module output end connect comprehensive wastewater jointly
Reuse water treating module, since classification of waste is clear, technique is with strong points, and water treatment effect is secure, and waste water running cost
With lower.
Propylene oxide also known as propylene oxide, methyl oxirane, are very important organic compound raw material, are only secondary
In the third-largest propylene analog derivative of polypropylene and acrylonitrile.Ten 10,000 tons hydrogen peroxide legal system propylene oxide project in the prior art
The processing of waste water, the alkali, the content of salt in organic wastewater are higher, are easy to cause falling off or always for biomembrane in biomembrane filled tower
Phenomena such as changing failure, and its influence the continuous processing of a large amount of waste water.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of sides using doped yttrium biology film process epoxy propane waste water
Method;
A kind of method using doped yttrium biology film process epoxy propane waste water of the present invention, its technical solution is as follows:
Step 1: propylene oxide workshop section waste water is carried out in homogeneous pond using churned mechanically mode to the adjusting of water, water quality,
The stability of biochemical water inlet is maintained to the greatest extent;
Step 2: sodium hydroxide is added in homogeneous good waste water, adjusting pH value is 6.5-8.5, is used in biological regulating reservoir mechanical
Agitating mode mixes waste water;
Step 3: biological regulating reservoir water outlet flow by gravity enters intermediate pool, 0.1- is added according to wastewater flow rate in intermediate pool
For biological growth, intermediate pool uses mechanical stirring mode for 0.8kg/t potassium dihydrogen phosphate and 0.1-1.2kg/t urea, if
Count residence time 6-10h;Intermediate pool design steam-heating system (spare), in case winter propylene oxide unit maintenance during and thing
Therefore the heating of downtime waste water needs, and guarantees the normal operation of biochemical system;
It is characterized in that;
Step 4: A/O biochemical system, is pumped into A/O biochemical system with elevator pump for the waste water in intermediate pool and carries out biochemical reaction, institute
The A/O biochemical system stated is divided into aerobic reactor and anaerobic reactor, and the main most organic removed in waste water is i.e. de-
Except most carbon source material and nitrogen source;It is characterized in that fixed diameter is that the biology of 120-150mm is filled out in the tower
Expect, the center between filler intersects between filler away from being 80-150mm, so that whole spaces in tower is full of filler, every filler has
The biomembrane of one layer of 0.8-5mm or so makes unit volume biomass be up to 8-20 grams/l, and corresponding volume anaerobism removing is negative
Lotus is increased to 10-15 kilograms/cubic metre of day oxygen removal load of becoming reconciled and reaches 5-10 kilograms/cubic metre of day;The biology
Film surface is distributed one layer of doped yttrium film sulphonamide modified agent, is added by the mass fraction of biomembrane 0.5%-5%, obtains yttrium and mix
Miscellaneous biomembrane;
Step 5: defoaming system, the water outlet of aerobic biochemical tower is defoamed using spray mode in defoaming tank, is defoamed from defoaming tank is flowed into
It is bio-chemical effluent with water;
Step 6: sedimentation basin and separation, water gravity flow enters sedimentation basin, the waste water that the characteristic different by density makes sludge and handled
Separation, and sludge is made to obtain a degree of concentration, clarify mixed liquor, waste water enters discharge pond, and sludge enters concentration basin;It is heavy
The residence time is designed as 4-8h in shallow lake pond;After the concentrated pond concentration of the sludge of generation, generated outside mud cake after being dehydrated with sludge dewatering equipment
Fortune.
It is characterized in that the biofilm surface is distributed one layer of doped yttrium film sulphonamide modified agent, by biomembrane
The mass fraction of 0.5%-5% is added, and obtains doped yttrium biomembrane;
A kind of doped yttrium film sulphonamide modified agent is prepared according to following scheme:
According to mass fraction, by 8-15 parts of 4,4'- diaminodiphenyl ether, 0.1-1 parts of six film acetylacetonate yttriums and 40-60
The tetrahydrofuran of part is added in reaction kettle, 20-30 DEG C of stirring is kept the temperature, then by 15-25 parts of pyromellitic acid anhydride and 1-5
The dimethylamino dithiocarbonic acid nickel of part is scattered in 80-100 parts of tetrahydrofuran, is slowly dropped in reaction kettle, 30-
60min is added dropwise, and then reacts 200-300min, and the concentrated sulfuric acid is added after completing reaction, and reactant pH value is adjusted to 2-4,
It is warming up to 50-70 DEG C, the full film octyl sulfonamide of 0.5-4 parts of N- n-propyl-N- (2,3- glycidyl) is added to reaction kettle
In, 120-180min is reacted, a kind of doped yttrium film sulphonamide modified agent can be obtained.
Accident buffering pond, retention time of sewage 30-40h are additionally provided with by the tank.
Organic matter in waste water can be decomposed into methane by anaerobic processes organic wastewater higher for concentration
Deng being discharged from reactor in gaseous form, most COD in waste water can be removed;And it is the aromatic hydrocarbons in waste water are organic
Matter resolves into small-molecule substance, improves the aerobic biodegradation energy of hardly degraded organic substance, creates for subsequent Aerobic biological process
Make good condition.
The anaerobic reactor sets interior return-flow system, and part mud mixture is back in reactor, on the one hand dirty
The reflux of water is diluted tower, reduces reactor organic matter unit concentration, weakens organic substance to microorganism
Toxicity;On the other hand, the reflux of sludge, ensure that in tower has enough biomass, conducive to the stable operation of reactor.
A kind of method using doped yttrium biology film process epoxy propane waste water, this programme disclosed in the method for the present invention are directed to
Propylene oxide project is given up Organic substance in water, and waste water is first reduced content of organics through Anaerobic Treatment by the high feature of salt content, is generated
Biogas, as energy recovery.A kind of doped yttrium film sulphonamide modified agent is added to using a kind of in A/O biochemical system reactor
Biomembrane is effectively improved the anti-aging and antifouling property of biomembrane, and use is more permanent, the wastewater treatment suitable for big flow.This
Scheme has nutritive salt throwing amount few, and sludge discharge is few, the good feature of biochemical reaction effect, is suitble to be used in ten 10,000 tons dioxygens
The processing of water law propylene oxide project waste water.
Specific embodiment
The invention is described further below by specific embodiment:
Embodiment 1
A kind of method using doped yttrium biology film process epoxy propane waste water of the present invention, its technical solution is as follows:
Step 1: propylene oxide workshop section waste water, which is squeezed into homogeneous pond, carries out homogeneous average, sewage is stirred in homogeneous pond using machinery
The mode mixed carries out the adjusting of water, water quality, maintains the stability of biochemical water inlet to the greatest extent;
Step 2: sodium hydroxide is added in homogeneous good waste water, adjusting pH value is 7.5, uses mechanical stirring in biological regulating reservoir
Mode mixes waste water;
Step 3: biological regulating reservoir water outlet flow by gravity enters intermediate pool, 0.5kg/t phosphorus is added according to wastewater flow rate in intermediate pool
Acid dihydride potassium and 0.7kg/t urea are for the growth of biology, and intermediate pool is using mechanical stirring mode, design residence time 8h;
Intermediate pool designs steam-heating system (spare), in case during the maintenance of winter propylene oxide unit and accident downtime waste water
Heating needs, and guarantees the normal operation of biochemical system;
Step 4: A/O biochemical system, is pumped into A/O biochemical system with elevator pump for the waste water in intermediate pool and carries out biochemical reaction, institute
The A/O biochemical system stated is divided into aerobic reactor and anaerobic reactor, and the main most organic removed in waste water is i.e. de-
Except most carbon source material and nitrogen source;It is characterized in that fixed diameter is the biologic packing material of 130mm in the tower, fill out
Center between material intersects between filler away from being 120mm, so that whole spaces in tower is full of filler, every filler has one layer of 2.2mm
The biomembrane of left and right makes unit volume biomass be up to 12 grams/l, and corresponding volume anaerobism removing load is increased to 13 public affairs
Jin/cubic meter day oxygen removal load of becoming reconciled reaches 8 kilogram/cubic metre days;The biofilm surface is distributed one layer
Doped yttrium film sulphonamide modified agent is added by the mass fraction of biomembrane 02.%, obtains doped yttrium biomembrane;
Step 5: defoaming system, the water outlet of aerobic biochemical tower is defoamed using spray mode in defoaming tank, is defoamed from defoaming tank is flowed into
It is bio-chemical effluent with water;
Step 6: sedimentation basin and separation, water gravity flow enters sedimentation basin, the waste water that the characteristic different by density makes sludge and handled
Separation, and sludge is made to obtain a degree of concentration, clarify mixed liquor, waste water enters discharge pond, and sludge enters concentration basin;It is heavy
The residence time is designed as 6h in shallow lake pond;After the concentrated pond concentration of the sludge of generation, mud cake outward transport is generated after being dehydrated with sludge dewatering equipment
?.
Accident buffering pond, retention time of sewage 35h are additionally provided with by the tank.
Organic matter in waste water can be decomposed into methane by anaerobic processes organic wastewater higher for concentration
Deng being discharged from reactor in gaseous form, most COD in waste water can be removed;And it is the aromatic hydrocarbons in waste water are organic
Matter resolves into small-molecule substance, improves the aerobic biodegradation energy of hardly degraded organic substance, creates for subsequent Aerobic biological process
Make good condition.
The anaerobic reactor sets interior return-flow system, and part mud mixture is back in reactor, on the one hand dirty
The reflux of water is diluted tower, reduces reactor organic matter unit concentration, weakens organic substance to microorganism
Toxicity;On the other hand, the reflux of sludge, ensure that in tower has enough biomass, conducive to the stable operation of reactor.
A kind of doped yttrium film sulphonamide modified agent is prepared according to following scheme:
According to mass fraction, by 12 parts of 4,4'- diaminodiphenyl ether, 0.5 part of six film acetylacetonate yttriums and the four of 50 parts
Hydrogen furans is added in reaction kettle, keeps the temperature 25 DEG C of stirrings, then by 20 parts of pyromellitic acid anhydride and 3 parts of dimethylamino two
Bamic acid nickel is scattered in 90 parts of tetrahydrofuran, is slowly dropped in reaction kettle, and 45min is added dropwise, and is then reacted
The concentrated sulfuric acid is added after completing reaction in 240min, and reactant pH value is adjusted to 3,60 DEG C are warming up to, by 2.1 parts of N- n-propyl-
N- (2,3- glycidyl) is complete, and film octyl sulfonamide is added in reaction kettle, reacts 150min, a kind of doped yttrium film can be obtained
Sulphonamide modified agent.
The wet mud of this technique common property raw aqueous 98% is 7.35t/h, the biomembrane used aging at 80 DEG C of temperature
It is 93.10% that stretching strength retentivity is taken out after 240h.
Embodiment 2
A kind of method using doped yttrium biology film process epoxy propane waste water of the present invention, its technical solution is as follows:
Step 1: propylene oxide workshop section waste water, which is squeezed into homogeneous pond, carries out homogeneous average, sewage is stirred in homogeneous pond using machinery
The mode mixed carries out the adjusting of water, water quality, maintains the stability of biochemical water inlet to the greatest extent;
Step 2: sodium hydroxide is added in homogeneous good waste water, adjusting pH value is 6.5, uses mechanical stirring in biological regulating reservoir
Mode mixes waste water;
Step 3: biological regulating reservoir water outlet flow by gravity enters intermediate pool, 0.1kg/t phosphorus is added according to wastewater flow rate in intermediate pool
Acid dihydride potassium and 0.1kg/t urea are for the growth of biology, and intermediate pool is using mechanical stirring mode, design residence time 6h;
Intermediate pool designs steam-heating system (spare), in case during the maintenance of winter propylene oxide unit and accident downtime waste water
Heating needs, and guarantees the normal operation of biochemical system;
Step 4: A/O biochemical system, is pumped into A/O biochemical system with elevator pump for the waste water in intermediate pool and carries out biochemical reaction, institute
The A/O biochemical system stated is divided into aerobic reactor and anaerobic reactor, and the main most organic removed in waste water is i.e. de-
Except most carbon source material and nitrogen source;It is characterized in that fixed diameter is the biologic packing material of 120mm in the tower, fill out
Center between material intersects between filler away from being 80mm, so that whole spaces in tower is full of filler, every filler has one layer of 0.8mm
The biomembrane of left and right makes unit volume biomass be up to 8 grams/l, corresponding volume anaerobism removing load be increased to 10 kilograms/
Cubic meter day oxygen removal load of becoming reconciled reaches 5 kilogram/cubic metre days;It is characterized in that the biofilm surface is divided equally
One layer of doped yttrium film sulphonamide modified agent of cloth is added by the mass fraction of biomembrane 0.5%, obtains doped yttrium biomembrane;
Step 5: defoaming system, the water outlet of aerobic biochemical tower is defoamed using spray mode in defoaming tank, is defoamed from defoaming tank is flowed into
It is bio-chemical effluent with water;
Step 6: sedimentation basin and separation, water gravity flow enters sedimentation basin, the waste water that the characteristic different by density makes sludge and handled
Separation, and sludge is made to obtain a degree of concentration, clarify mixed liquor, waste water enters discharge pond, and sludge enters concentration basin;It is heavy
The residence time is designed as 4h in shallow lake pond;After the concentrated pond concentration of the sludge of generation, mud cake outward transport is generated after being dehydrated with sludge dewatering equipment
?.
Accident buffering pond, retention time of sewage 30h are additionally provided with by the tank.
Organic matter in waste water can be decomposed into methane by anaerobic processes organic wastewater higher for concentration
Deng being discharged from reactor in gaseous form, most COD in waste water can be removed;And it is the aromatic hydrocarbons in waste water are organic
Matter resolves into small-molecule substance, improves the aerobic biodegradation energy of hardly degraded organic substance, creates for subsequent Aerobic biological process
Make good condition.
The anaerobic reactor sets interior return-flow system, and part mud mixture is back in reactor, on the one hand dirty
The reflux of water is diluted tower, reduces reactor organic matter unit concentration, weakens organic substance to microorganism
Toxicity;On the other hand, the reflux of sludge, ensure that in tower has enough biomass, conducive to the stable operation of reactor.
A kind of doped yttrium film sulphonamide modified agent is prepared according to following scheme:
According to mass fraction, by 8 parts of 4,4'- diaminodiphenyl ether, 0.1 part of six film acetylacetonate yttriums and 40 parts of tetrahydro
Furans is added in reaction kettle, keeps the temperature 20 DEG C of stirrings, then by 15 parts of pyromellitic acid anhydride and 1 part of two sulphur of dimethylamino
It is scattered in 80 parts of tetrahydrofuran, is slowly dropped in reaction kettle for nickel formate, 30min is added dropwise, and then reacts
The concentrated sulfuric acid is added after completing reaction in 200min, and reactant pH value is adjusted to 2,50 DEG C are warming up to, by 0.5 part of N- n-propyl-
N- (2,3- glycidyl) is complete, and film octyl sulfonamide is added in reaction kettle, reacts 120min, a kind of doped yttrium film can be obtained
Sulphonamide modified agent.
The wet mud of this technique common property raw aqueous 98% is 8.31t/h, the biomembrane used aging at 80 DEG C of temperature
It is 93.92% that stretching strength retentivity is taken out after 240h.
Embodiment 3
A kind of method using doped yttrium biology film process epoxy propane waste water of the present invention, its technical solution is as follows:
Step 1: propylene oxide workshop section waste water, which is squeezed into homogeneous pond, carries out homogeneous average, sewage is stirred in homogeneous pond using machinery
The mode mixed carries out the adjusting of water, water quality, maintains the stability of biochemical water inlet to the greatest extent;
Step 2: sodium hydroxide is added in homogeneous good waste water, adjusting pH value is 8.5, uses mechanical stirring in biological regulating reservoir
Mode mixes waste water;
Step 3: biological regulating reservoir water outlet flow by gravity enters intermediate pool, 0.8kg/t phosphorus is added according to wastewater flow rate in intermediate pool
Acid dihydride potassium and 1.2kg/t urea are for the growth of biology, and intermediate pool is using mechanical stirring mode, design residence time 6-
10h;Intermediate pool designs steam-heating system (spare), and during overhauling in case of winter propylene oxide unit and the accident downtime is useless
The heating of water needs, and guarantees the normal operation of biochemical system;
Step 4: A/O biochemical system, is pumped into A/O biochemical system with elevator pump for the waste water in intermediate pool and carries out biochemical reaction, institute
The A/O biochemical system stated is divided into aerobic reactor and anaerobic reactor, and the main most organic removed in waste water is i.e. de-
Except most carbon source material and nitrogen source;It is characterized in that fixed diameter is the biologic packing material of 150mm in the tower, fill out
Center between material intersects between filler away from being 150mm, so that whole spaces in tower is full of filler, every filler has one layer of left side 5mm
Right biomembrane makes unit volume biomass be up to 20 grams/l, corresponding volume anaerobism removing load be increased to 15 kilograms/
Oxygen removal load become reconciled up to 10 kilogram/cubic metre days in cubic meter day;It is characterized in that the biofilm surface is divided equally
One layer of doped yttrium film sulphonamide modified agent of cloth is added by the mass fraction of biomembrane 5%, obtains doped yttrium biomembrane;
Step 5: defoaming system, the water outlet of aerobic biochemical tower is defoamed using spray mode in defoaming tank, is defoamed from defoaming tank is flowed into
It is bio-chemical effluent with water;
Step 6: sedimentation basin and separation, water gravity flow enters sedimentation basin, the waste water that the characteristic different by density makes sludge and handled
Separation, and sludge is made to obtain a degree of concentration, clarify mixed liquor, waste water enters discharge pond, and sludge enters concentration basin;It is heavy
The residence time is designed as 8h in shallow lake pond;After the concentrated pond concentration of the sludge of generation, mud cake outward transport is generated after being dehydrated with sludge dewatering equipment
?.
Accident buffering pond, retention time of sewage 40h are additionally provided with by the tank.
Organic matter in waste water can be decomposed into methane by anaerobic processes organic wastewater higher for concentration
Deng being discharged from reactor in gaseous form, most COD in waste water can be removed;And it is the aromatic hydrocarbons in waste water are organic
Matter resolves into small-molecule substance, improves the aerobic biodegradation energy of hardly degraded organic substance, creates for subsequent Aerobic biological process
Make good condition.
The anaerobic reactor sets interior return-flow system, and part mud mixture is back in reactor, on the one hand dirty
The reflux of water is diluted tower, reduces reactor organic matter unit concentration, weakens organic substance to microorganism
Toxicity;On the other hand, the reflux of sludge, ensure that in tower has enough biomass, conducive to the stable operation of reactor.
A kind of doped yttrium film sulphonamide modified agent is prepared according to following scheme:
According to mass fraction, by 15 parts of 4,4'- diaminodiphenyl ether, 1 part of six film acetylacetonate yttriums and 60 parts of tetrahydro
Furans is added in reaction kettle, keeps the temperature 30 DEG C of stirrings, then by 25 parts of pyromellitic acid anhydride and 5 parts of two sulphur of dimethylamino
It is scattered in 100 parts of tetrahydrofuran, is slowly dropped in reaction kettle for nickel formate, 60min is added dropwise, and then reacts
The concentrated sulfuric acid is added after completing reaction in 300min, and reactant pH value is adjusted to 4,70 DEG C are warming up to, by 4 parts of N- n-propyl-N-
(2,3- glycidyl) full film octyl sulfonamide is added in reaction kettle, is reacted 180min, is ground up, sieved after completing reaction
Obtain a kind of doped yttrium film sulphonamide modified agent.
The wet mud of this technique common property raw aqueous 98% is 6.51t/h, the biomembrane used aging at 80 DEG C of temperature
It is 96.31% that stretching strength retentivity is taken out after 240h.
Embodiment 4
A kind of method using doped yttrium biology film process epoxy propane waste water of the present invention, its technical solution is as follows:
Step 1: propylene oxide workshop section waste water, which is squeezed into homogeneous pond, carries out homogeneous average, sewage is stirred in homogeneous pond using machinery
The mode mixed carries out the adjusting of water, water quality, maintains the stability of biochemical water inlet to the greatest extent;
Step 2: sodium hydroxide is added in homogeneous good waste water, adjusting pH value is 8.5, uses mechanical stirring in biological regulating reservoir
Mode mixes waste water;
Step 3: biological regulating reservoir water outlet flow by gravity enters intermediate pool, 0.8kg/t phosphorus is added according to wastewater flow rate in intermediate pool
Acid dihydride potassium and 1.2kg/t urea are for the growth of biology, and intermediate pool is using mechanical stirring mode, design residence time 6-
10h;Intermediate pool designs steam-heating system (spare), and during overhauling in case of winter propylene oxide unit and the accident downtime is useless
The heating of water needs, and guarantees the normal operation of biochemical system;
Step 4: A/O biochemical system, is pumped into A/O biochemical system with elevator pump for the waste water in intermediate pool and carries out biochemical reaction, institute
The A/O biochemical system stated is divided into aerobic reactor and anaerobic reactor, and the main most organic removed in waste water is i.e. de-
Except most carbon source material and nitrogen source;It is characterized in that fixed diameter is the biologic packing material of 150mm in the tower, fill out
Center between material intersects between filler away from being 150mm, so that whole spaces in tower is full of filler, every filler has one layer of left side 5mm
Right biomembrane makes unit volume biomass be up to 20 grams/l, corresponding volume anaerobism removing load be increased to 15 kilograms/
Oxygen removal load become reconciled up to 10 kilogram/cubic metre days in cubic meter day;It is characterized in that the biofilm surface is divided equally
One layer of doped yttrium film sulphonamide modified agent of cloth is added by the mass fraction of biomembrane 5%, obtains doped yttrium biomembrane;
Step 5: defoaming system, the water outlet of aerobic biochemical tower is defoamed using spray mode in defoaming tank, is defoamed from defoaming tank is flowed into
It is bio-chemical effluent with water;
Step 6: sedimentation basin and separation, water gravity flow enters sedimentation basin, the waste water that the characteristic different by density makes sludge and handled
Separation, and sludge is made to obtain a degree of concentration, clarify mixed liquor, waste water enters discharge pond, and sludge enters concentration basin;It is heavy
The residence time is designed as 8h in shallow lake pond;After the concentrated pond concentration of the sludge of generation, mud cake outward transport is generated after being dehydrated with sludge dewatering equipment
?.
Accident buffering pond, retention time of sewage 40h are additionally provided with by the tank.
Organic matter in waste water can be decomposed into methane by anaerobic processes organic wastewater higher for concentration
Deng being discharged from reactor in gaseous form, most COD in waste water can be removed;And it is the aromatic hydrocarbons in waste water are organic
Matter resolves into small-molecule substance, improves the aerobic biodegradation energy of hardly degraded organic substance, creates for subsequent Aerobic biological process
Make good condition.
The anaerobic reactor sets interior return-flow system, and part mud mixture is back in reactor, on the one hand dirty
The reflux of water is diluted tower, reduces reactor organic matter unit concentration, weakens organic substance to microorganism
Toxicity;On the other hand, the reflux of sludge, ensure that in tower has enough biomass, conducive to the stable operation of reactor.
A kind of doped yttrium film sulphonamide modified agent is prepared according to following scheme:
According to mass fraction, by 8 parts of 4,4'- diaminodiphenyl ether, 0.1 part of six film acetylacetonate yttriums and 40 parts of tetrahydro
Furans is added in reaction kettle, keeps the temperature 20 DEG C of stirrings, then by 15 parts of pyromellitic acid anhydride and 1 part of two sulphur of dimethylamino
It is scattered in 80 parts of tetrahydrofuran, is slowly dropped in reaction kettle for nickel formate, 30min is added dropwise, and then reacts
The concentrated sulfuric acid is added after completing reaction in 200min, and reactant pH value is adjusted to 2,50 DEG C are warming up to, by 0.5 part of N- n-propyl-
N- (2,3- glycidyl) is complete, and film octyl sulfonamide is added in reaction kettle, reacts 120min, a kind of doped yttrium film can be obtained
Sulphonamide modified agent.
The wet mud of this technique common property raw aqueous 98% is 7.91t/h, the biomembrane used aging at 80 DEG C of temperature
It is 92.4% that stretching strength retentivity is taken out after 240h.
Embodiment 5
A kind of method using doped yttrium biology film process epoxy propane waste water of the present invention, its technical solution is as follows:
Step 1: propylene oxide workshop section waste water, which is squeezed into homogeneous pond, carries out homogeneous average, sewage is stirred in homogeneous pond using machinery
The mode mixed carries out the adjusting of water, water quality, maintains the stability of biochemical water inlet to the greatest extent;
Step 2: sodium hydroxide is added in homogeneous good waste water, adjusting pH value is 6.5, uses mechanical stirring in biological regulating reservoir
Mode mixes waste water;
Step 3: biological regulating reservoir water outlet flow by gravity enters intermediate pool, 0.1kg/t phosphorus is added according to wastewater flow rate in intermediate pool
Acid dihydride potassium and 0.1kg/t urea are for the growth of biology, and intermediate pool is using mechanical stirring mode, design residence time 6h;
Intermediate pool designs steam-heating system (spare), in case during the maintenance of winter propylene oxide unit and accident downtime waste water
Heating needs, and guarantees the normal operation of biochemical system;
Step 4: A/O biochemical system, is pumped into A/O biochemical system with elevator pump for the waste water in intermediate pool and carries out biochemical reaction, institute
The A/O biochemical system stated is divided into aerobic reactor and anaerobic reactor, and the main most organic removed in waste water is i.e. de-
Except most carbon source material and nitrogen source;It is characterized in that fixed diameter is the biologic packing material of 120mm in the tower, fill out
Center between material intersects between filler away from being 80mm, so that whole spaces in tower is full of filler, every filler has one layer of 0.8mm
The biomembrane of left and right makes unit volume biomass be up to 8 grams/l, corresponding volume anaerobism removing load be increased to 10 kilograms/
Cubic meter day oxygen removal load of becoming reconciled reaches 5 kilogram/cubic metre days;It is characterized in that the biofilm surface is divided equally
One layer of doped yttrium film sulphonamide modified agent of cloth is added by the mass fraction of biomembrane 0.8%, obtains doped yttrium biomembrane;
Step 5: defoaming system, the water outlet of aerobic biochemical tower is defoamed using spray mode in defoaming tank, is defoamed from defoaming tank is flowed into
It is bio-chemical effluent with water;
Step 6: sedimentation basin and separation, water gravity flow enters sedimentation basin, the waste water that the characteristic different by density makes sludge and handled
Separation, and sludge is made to obtain a degree of concentration, clarify mixed liquor, waste water enters discharge pond, and sludge enters concentration basin;It is heavy
The residence time is designed as 4h in shallow lake pond;After the concentrated pond concentration of the sludge of generation, mud cake outward transport is generated after being dehydrated with sludge dewatering equipment
?.
Accident buffering pond, retention time of sewage 30h are additionally provided with by the tank.
Organic matter in waste water can be decomposed into methane by anaerobic processes organic wastewater higher for concentration
Deng being discharged from reactor in gaseous form, most COD in waste water can be removed;And it is the aromatic hydrocarbons in waste water are organic
Matter resolves into small-molecule substance, improves the aerobic biodegradation energy of hardly degraded organic substance, creates for subsequent Aerobic biological process
Make good condition.
The anaerobic reactor sets interior return-flow system, and part mud mixture is back in reactor, on the one hand dirty
The reflux of water is diluted tower, reduces reactor organic matter unit concentration, weakens organic substance to microorganism
Toxicity;On the other hand, the reflux of sludge, ensure that in tower has enough biomass, conducive to the stable operation of reactor.
A kind of doped yttrium film sulphonamide modified agent is prepared according to following scheme:
According to mass fraction, by 15 parts of 4,4'- diaminodiphenyl ether, 1 part of six film acetylacetonate yttriums and 60 parts of tetrahydro
Furans is added in reaction kettle, keeps the temperature 30 DEG C of stirrings, then by 25 parts of pyromellitic acid anhydride and 5 parts of two sulphur of dimethylamino
It is scattered in 100 parts of tetrahydrofuran, is slowly dropped in reaction kettle for nickel formate, 60min is added dropwise, and then reacts
The concentrated sulfuric acid is added after completing reaction in 300min, and reactant pH value is adjusted to 4,70 DEG C are warming up to, by 4 parts of N- n-propyl-N-
(2,3- glycidyl) full film octyl sulfonamide is added in reaction kettle, reacts 180min, a kind of doped yttrium film sulphur can be obtained
Amide modifying agent.
The wet mud of this technique common property raw aqueous 98% is 7.86t/h, the biomembrane used aging at 80 DEG C of temperature
It is 91.26% that stretching strength retentivity is taken out after 240h.
Comparative example 1
Six film acetylacetonate yttriums, the other the same as in Example 1 is not added in preparation component.
The wet mud of this technique common property raw aqueous 98% is 9.65T/h, the biomembrane used aging at 80 DEG C of temperature
It is 73.30% that stretching strength retentivity is taken out after 240h.
Comparative example 2
Dimethylamino dithiocarbonic acid nickel thiophene, the other the same as in Example 1 is not added in preparation component.
The wet mud of this technique common property raw aqueous 98% is 8.96T/h, the biomembrane used aging at 80 DEG C of temperature
It is 81.0% that stretching strength retentivity is taken out after 240h.
Comparative example 3
The full film octyl sulfonamide of N- n-propyl-N- (2,3- glycidyl), the other the same as in Example 1 are not added in preparation component.
The wet mud of this technique common property raw aqueous 98% is 9.21T/h, the biomembrane used aging at 80 DEG C of temperature
It is 84.21% that stretching strength retentivity is taken out after 240h.
Comparative example 4
Dimethylamino dithiocarbonic acid nickel, the other the same as in Example 1 is not added in preparation component.
The wet mud of this technique common property raw aqueous 98% is 8.26T/h, the biomembrane used aging at 80 DEG C of temperature
It is 83.24% that stretching strength retentivity is taken out after 240h.
Comparative example 5
Doped yttrium film sulphonamide modified agent, the other the same as in Example 1 are not added in biomembrane.
The wet mud of this technique common property raw aqueous 98% is 12.75T/h, the biomembrane used aging at 80 DEG C of temperature
It is 62.24% that stretching strength retentivity is taken out after 240h.
Claims (5)
1. a kind of method using doped yttrium biology film process epoxy propane waste water of the present invention, its technical solution is as follows:
Step 1: by propylene oxide workshop section waste water, sewage carries out water, water quality using churned mechanically mode in homogeneous pond
It adjusts, maintains the stability of biochemical water inlet to the greatest extent;
Step 2: sodium hydroxide is added in homogeneous good waste water, adjusting pH value is 6.5-8.5, is used in biological regulating reservoir mechanical
Agitating mode mixes waste water;
Step 3: biological regulating reservoir water outlet flow by gravity enters intermediate pool, 0.1- is added according to wastewater flow rate in intermediate pool
For biological growth, intermediate pool uses mechanical stirring mode for 0.8kg/t potassium dihydrogen phosphate and 0.1-1.2kg/t urea, if
Count residence time 6-10h;Intermediate pool design steam-heating system (spare), in case winter propylene oxide unit maintenance during and thing
Therefore the heating of downtime waste water needs, and guarantees the normal operation of biochemical system;
It is characterized in that;
Step 4: A/O biochemical system, is pumped into A/O biochemical system with elevator pump for the waste water in intermediate pool and carries out biochemical reaction, institute
The A/O biochemical system stated is divided into aerobic reactor and anaerobic reactor, and the main most organic removed in waste water is i.e. de-
Except most carbon source material and nitrogen source;It is characterized in that fixed diameter is that the biology of 120-150mm is filled out in the tower
Expect, the center between filler intersects between filler away from being 80-150mm, so that whole spaces in tower is full of filler, every filler has
The biomembrane of one layer of 0.8-5mm or so makes unit volume biomass be up to 8-20 grams/l, and corresponding volume anaerobism removing is negative
Lotus is increased to 10-15 kilograms/cubic metre of day oxygen removal load of becoming reconciled and reaches 5-10 kilograms/cubic metre of day;The biology
Film surface is distributed one layer of doped yttrium film sulphonamide modified agent, is added by the mass fraction of biomembrane 0.5%-5%, obtains yttrium and mix
Miscellaneous biomembrane;
Step 5: defoaming system, the water outlet of aerobic biochemical tower is defoamed using spray mode in defoaming tank, is defoamed from defoaming tank is flowed into
It is bio-chemical effluent with water;
Step 6: sedimentation basin and separation, water gravity flow enters sedimentation basin, the waste water that the characteristic different by density makes sludge and handled
Separation, and sludge is made to obtain a degree of concentration, clarify mixed liquor, waste water enters discharge pond, and sludge enters concentration basin;It is heavy
The residence time is designed as 4-8h in shallow lake pond;After the concentrated pond concentration of the sludge of generation, generated outside mud cake after being dehydrated with sludge dewatering equipment
Fortune.
2. a kind of method using doped yttrium biology film process epoxy propane waste water according to claim 1, feature exist
In: a kind of doped yttrium film sulphonamide modified agent is prepared according to following scheme:
According to mass fraction, by 8-15 parts of 4,4'- diaminodiphenyl ether, 0.1-1 parts of six film acetylacetonate yttriums and 40-60
The tetrahydrofuran of part is added in reaction kettle, 20-30 DEG C of stirring is kept the temperature, then by 15-25 parts of pyromellitic acid anhydride and 1-5
The dimethylamino dithiocarbonic acid nickel of part is scattered in 80-100 parts of tetrahydrofuran, is slowly dropped in reaction kettle, 30-
60min is added dropwise, and then reacts 200-300min, and the concentrated sulfuric acid is added after completing reaction, and reactant pH value is adjusted to 2-4,
It is warming up to 50-70 DEG C, the full film octyl sulfonamide of 0.5-4 parts of N- n-propyl-N- (2,3- glycidyl) is added to reaction kettle
In, 120-180min is reacted, a kind of doped yttrium film sulphonamide modified agent is obtained.
3. a kind of method using doped yttrium biology film process epoxy propane waste water according to claim 1, feature exist
In: accident buffering pond, retention time of sewage 30-40h are additionally provided with by the tank.
4. a kind of method using doped yttrium biology film process epoxy propane waste water according to claim 1, feature exist
In: the organic matter in waste water can be decomposed into methane etc., with gas by anaerobic processes organic wastewater higher for concentration
The form of body is discharged from reactor, can remove most COD in waste water;And by the aromatic hydrocarbons organic matter decomposition in waste water at
Small-molecule substance improves the aerobic biodegradation energy of hardly degraded organic substance, creates good item for subsequent Aerobic biological process
Part.
5. a kind of method using doped yttrium biology film process epoxy propane waste water according to claim 1, feature exist
In: the anaerobic reactor sets interior return-flow system, and part mud mixture is back in reactor, and one side sewage returns
Stream is diluted tower, reduces reactor organic matter unit concentration, weakens organic substance to the toxicity of microorganism;Separately
On the one hand, the reflux of sludge, ensure that in tower has enough biomass, conducive to the stable operation of reactor.
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Citations (2)
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CN104445841A (en) * | 2014-12-31 | 2015-03-25 | 上海发凯化工有限公司 | Treatment device and treatment process for surfactant waste water |
CN108246120A (en) * | 2018-02-08 | 2018-07-06 | 江西师范大学 | A kind of rear-earth-doped mesoporous silica hybridized film and preparation method thereof |
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2018
- 2018-11-28 CN CN201811431052.9A patent/CN109626711A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104445841A (en) * | 2014-12-31 | 2015-03-25 | 上海发凯化工有限公司 | Treatment device and treatment process for surfactant waste water |
CN108246120A (en) * | 2018-02-08 | 2018-07-06 | 江西师范大学 | A kind of rear-earth-doped mesoporous silica hybridized film and preparation method thereof |
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