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 PDF

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Publication number
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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waste water
doped yttrium
water
added
reactor
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王静
叶兆健
苗畅通
周子卿
聂颖
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Liaoning Zhongzhou Deshui Environmental Protection Technology Co Ltd
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Liaoning Zhongzhou Deshui Environmental Protection Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36Nature 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
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/08Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/06Nutrients for stimulating the growth of microorganisms
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Removal Of Specific Substances (AREA)

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

A method of using doped yttrium biology film process epoxy propane waste water
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.
CN201811431052.9A 2018-11-28 2018-11-28 A method of using doped yttrium biology film process epoxy propane waste water Pending CN109626711A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
中国稀土学会: "《稀土科学技术学科发展报告 2014-2015版》", 30 April 2016 *

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