CN106007265B - A kind of deep treatment method of pharmaceutical waste water biochemical tail water - Google Patents

A kind of deep treatment method of pharmaceutical waste water biochemical tail water Download PDF

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CN106007265B
CN106007265B CN201610620471.1A CN201610620471A CN106007265B CN 106007265 B CN106007265 B CN 106007265B CN 201610620471 A CN201610620471 A CN 201610620471A CN 106007265 B CN106007265 B CN 106007265B
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water
treatment
tail water
filtrate
waste water
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CN106007265A (en
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蒋胜韬
朱华跃
管玉江
蒋茹
宗恩敏
祝建中
王三秀
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Taizhou University
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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
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/48Treatment of water, waste water, or sewage with magnetic or electric fields
    • 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
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • 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
    • C02F1/5263Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
    • 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
    • C02F1/54Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56Macromolecular compounds
    • 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
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/78Treatment of water, waste water, or sewage by oxidation with ozone
    • 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
    • C02F2103/343Nature 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 pharmaceutical industry, e.g. containing antibiotics
    • 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
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • 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
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C02F3/348Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the way or the form in which the microorganisms are added or dosed

Abstract

The invention discloses a kind of deep treatment methods of pharmaceutical waste water biochemical tail water, using coagulation assisted treatment process, quick filtering technique, the processing mode that four kinds of technique of O3 catalytic oxidation treatment process and magnetic microsphere resin adsorption treatment process organically combines is handled, in coagulation assisted processing stage, microbial flocculant and natural macromolecule flocculating agent, inorganic flocculating agent and other substances generate utility in its growth course and its secretion forms the matrix mutually grown and raw material, and pass through mutual symbiosis, Relationship With Proliferation forms a complicated composition, stable structure, function widely has the microbiologic population of varied bacterium, it is aided with the combination of subsequent three kinds of technique again, the mutual reciprocity and mutual benefit in the purification process of chemical pharmaceutical biochemical tail water, play its maximum joint advantage, with efficient processing effect Fruit, so that waste water reaches Treated sewage reusing standard.

Description

A kind of deep treatment method of pharmaceutical waste water biochemical tail water
Technical field
The present invention relates to a kind of sewage water treatment methods, more particularly, to a kind of depth of pharmaceutical waste water biochemical tail water Reason method.
Background technique
With the fast development of China's chemical industry and medicinal industry, contaminated wastewater that chemical company and pharmacy corporation generate and anti- It controls problem and has caused extensive concern.According to statistics, 2009, China's pharmacy waste water discharge amount total amount reached 5.27 hundred million tons; 2011, pharmaceutical manufacturer of China about 5000, wastewater discharge accounted for the 2.0% of discharged volume of industrial waste water.Due to chemicals and The numerous in variety of drug, production technology are different, therefore the composition of pharmaceutical waste water is extremely complex, including chemicals and The solvent waste water, byproduct wastewater, washes and extraction waste water, summary pharmacy waste water of generation during drug processing Main feature includes: wastewater flow rate is big, pollutant component is complicated, organic concentration is high, coloration is high, biodegradability is poor, toxicity is high etc., is belonged to In typical difficult industrial wastewater.
It is all to carry out biochemical treatment, but treated that tail water COD is usually or super that pharmaceutical waste water is most of at present 150mg/L is crossed, some is even up to 400-500mg/L, and the organic matter of remaining mostly difficult for biological degradation, to water environment safety Higher risk is brought with environmental health, carrying out advanced treating can achieve " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) level-one A standard or related reuse standard.
Existing deep treatment method is mostly the independent processing or two kinds of simple process combinations of certain technique, processing effect Fruit is bad, if can propose a kind of a variety of processing methods and technique perfection to be coupled together to reach optimal treatment effect, it will It is the big contribution to pharmaceutical waste water processing.
Summary of the invention
Goal of the invention: lack asking for effective deep treatment method to solve the pharmacy waste water in the presence of the prior art Topic, the invention proposes a kind of high treating effects, the deep treatment method of the pharmaceutical waste water biochemical tail water of high efficiency, low cost.
Technical solution: to achieve these objectives, the present invention takes following technical scheme:
A kind of deep treatment method of pharmaceutical waste water biochemical tail water, specifically includes the following steps:
(1) coagulation assisted treatment process: by after biochemical treatment tail water introduce coagulative precipitation tank, to tail water according to Secondary to carry out the dry processing for throwing composite flocculation agent and the wet processing for throwing composite flocculation agent, L tail water every first is dry to throw compound coagulant 25- 30mg, the dry throwing compound coagulant calculated by mass includes following components: 30-45 parts of composite type inorganic polymer flocculants, 6-12 parts of chitins, 13-18 parts of decolorising agents;The dry addition thrown 30min after composite flocculation agent is launched and carry out wet throwing composite flocculation agent, The wet effective ingredient consumption of composite flocculation agent in addition to water of throwing of every L tail water is 10-15mg, and the wet throwing composite flocculation agent is with quality Calculating includes following component: 5-8 parts of organic polymer coargulators, 3-7 parts of microbial flocculants, 3-6 parts of crystal aluminum chlorides, 300- 500 parts of water;
(2) quick filtering technique: quick filtering technique will be carried out by the water outlet of coagulation assisted treatment process processing It is handled, multilayer filter material filtering basin is set, filtrate is divided into three layers, is successively laid with from top to bottom, and bottom filtrate is quartzy sand filtration The mixture of material and porcelain sand filter material, middle layer filtrate are the mixture of magnet ore particle filtrate and shell filtrate, and top layer filtrate is fiber The mixing of ball filtering material and carbon leaching material;Filter type is transformation filtration with varying rate;
(3) O3 catalytic oxidation is handled: it is anti-will to introduce O3 catalytic oxidation by quick filtering technique treated tail water Ying Chizhong carries out catalytic oxidation treatment, and wherein O3 catalytic oxidation reaction tank is catalysis ozone and active carbon coupling reaction pond, with The porosity bamboo charcoal particle active carbon for loading hydrated ferric oxide is filler, and the load factor of hydrated ferric oxide is calculated by mass 0.5%-3%;Entered in a manner of upward flow from bottom by quick filtering technique treated tail water, ozone uses batch-type side Formula is added in the middle part of reaction bottom of pond portion and reaction tank respectively, and the dosage of ozone is respectively 3-5mg/L;The hydraulic retention of reaction tank Time is 30-50 minutes;
(4) magnetic microsphere resin adsorption treatment process: will water outlet carries out magnetic microsphere resin by step (3) treated Water outlet is introduced into the stirred reactor equipped with magnetic microsphere resin and carries out continuous Dynamic Adsorption by adsorption treatment process, adsorbs Time is 30-60min, and the mixed liquor of hybrid resin and water enters sedimentation basin after reaction, and magnetic microsphere resin is divided from water body From rear, obtained water outlet is the tail water for completing advanced treating.
More preferably, composite type inorganic polymer flocculant described in step (1) is polymeric aluminum sulfate silicate.
More preferably, decolorising agent described in step (1) is dehydrated alcohol, granular activated carbon, diatomite three's mass ratio For the mixture of 2:4:3.
More preferably, microbial flocculant described in step (1) is microbial flocculant NOC-1, AJ7002, PF 101 In at least two.
More preferably, organic polymer coargulator described in step (1) is polyacrylamide or polyethylene glycol oxide.
Further, starch ether described in step (1) is cationic starch ether.
More preferably, bottom filtrate described in step (2) is quartz sand filter media and porcelain sand filter material mass ratio is the mixed of 3:1 Close object.
More preferably, middle layer filtrate described in step (2) is magnet ore particle filtrate and shell filtrate mass ratio is 2:1's Mixture.
More preferably, top layer filtrate described in step (2) is fiber-ball filter media and carbon leaching material mass ratio is 1:3's Mixture.
The utility model has the advantages that a kind of deep treatment method of pharmaceutical waste water biochemical tail water provided by the invention, according to chemical industry The complicated component characteristic of pharmaceuticals industry biochemical tail water is smelly using coagulation assisted treatment process, quick filtering technique, catalysis The processing mode that four kinds of technique of oxygen oxidation processing technique and magnetic microsphere resin adsorption treatment process organically combines is handled, In coagulation assisted processing stage, flocculant is divided into dry throw and wet throwing, microbial flocculant and natural macromolecule flocculating agent, nothing Machine flocculant and other substances generate utility in its growth course and its secretion formed the matrix mutually grown and Raw material, and by mutual symbiosis, Relationship With Proliferation formed complicated composition, stable structure, a function widely have it is varied The microbiologic population of bacterium, then it is aided with three layers of filter tank processing in subsequent quick filtering technique, further tail water is purified, It is aided with the combination of catalytic oxidation treatment and magnetic microsphere resin adsorption treatment process again, in the cleaned of chemical pharmaceutical biochemical tail water Mutual reciprocity and mutual benefit in journey play its maximum joint advantage, have efficient treatment effect, so that waste water reaches Treated sewage reusing mark It is quasi-.
Specific embodiment
Embodiment 1:
A kind of deep treatment method of pharmaceutical waste water biochemical tail water, specifically includes the following steps:
(1) coagulation assisted treatment process: by after biochemical treatment tail water introduce coagulative precipitation tank, to tail water according to Secondary to carry out the dry processing for throwing composite flocculation agent and the wet processing for throwing composite flocculation agent, L tail water every first is dry to throw compound coagulant 25mg, the dry throwing compound coagulant calculated by mass includes following components: 30 parts of polymeric aluminum sulfate silicates, 6 parts of chitins, 13 parts it is de- Toner;The dry addition thrown 30min after composite flocculation agent is launched and carry out wet throwing composite flocculation agent, every wet throwing composite flocculation agent of L tail water Effective ingredient consumption in addition to water is 10mg, and the wet throwing composite flocculation agent calculated by mass includes following component: 5 parts poly- third Acrylamide, 3 parts of microbial flocculants, 3 parts of crystal aluminum chlorides, 300 parts of water;Wherein, decolorising agent is dehydrated alcohol, seed activity Charcoal, the mixture that diatomite three's mass ratio is 2:4:3;Microbial flocculant is the mixed of microbial flocculant NOC-1, AJ7002 Close object;
(2) quick filtering technique: quick filtering technique will be carried out by the water outlet of coagulation assisted treatment process processing It is handled, multilayer filter material filtering basin is set, filtrate is divided into three layers, is successively laid with from top to bottom, and bottom filtrate is quartzy sand filtration The mixture that material and porcelain sand filter material mass ratio are 3:1, middle layer filtrate is magnet ore particle filtrate and shell filtrate mass ratio is 2:1's Mixture, the mixture that top layer filtrate is fiber-ball filter media and carbon leaching material mass ratio is 1:3;Filter type is transformation speed change Filtering;
(3) O3 catalytic oxidation is handled: it is anti-will to introduce O3 catalytic oxidation by quick filtering technique treated tail water Ying Chizhong carries out catalytic oxidation treatment, and wherein O3 catalytic oxidation reaction tank is catalysis ozone and active carbon coupling reaction pond, with The porosity bamboo charcoal particle active carbon for loading hydrated ferric oxide is filler, and the load factor of hydrated ferric oxide is calculated by mass 0.5%;Entered in a manner of upward flow from bottom by quick filtering technique treated tail water, ozone is divided using batch-type mode It is not added in the middle part of reaction bottom of pond portion and reaction tank, the dosage of ozone is respectively 3mg/L;The hydraulic detention time of reaction tank is 50 minutes;
(4) magnetic microsphere resin adsorption treatment process: will water outlet carries out magnetic microsphere resin by step (3) treated Water outlet is introduced into the stirred reactor equipped with magnetic microsphere resin and carries out continuous Dynamic Adsorption by adsorption treatment process, adsorbs Time is 30min, and the mixed liquor of hybrid resin and water enters sedimentation basin after reaction, and magnetic microsphere resin is separated from water body Afterwards, the water outlet obtained is the tail water for completing advanced treating.
Embodiment 2:
A kind of deep treatment method of pharmaceutical waste water biochemical tail water, specifically includes the following steps:
(1) coagulation assisted treatment process: by after biochemical treatment tail water introduce coagulative precipitation tank, to tail water according to Secondary to carry out the dry processing for throwing composite flocculation agent and the wet processing for throwing composite flocculation agent, L tail water every first is dry to throw compound coagulant 30mg, the dry throwing compound coagulant calculated by mass includes following components: 45 parts of polymeric aluminum sulfate silicates, 12 parts of chitins, 18 parts Decolorising agent;The dry addition thrown 30min after composite flocculation agent is launched and carry out wet throwing composite flocculation agent, every wet throwing composite flocculation of L tail water The effective ingredient consumption of agent in addition to water is 15mg, and the wet throwing composite flocculation agent calculated by mass includes following component: 8 parts poly- Ethylene oxide, 14 parts of crystal aluminum chlorides, 7 parts of microbial flocculants, 500 parts of water;Wherein, decolorising agent is dehydrated alcohol, particle is lived Property charcoal, diatomite three's mass ratio be 2:4:3 mixture;Microbial flocculant is microbial flocculant NOC-1, PF's 101 Mixture;
(2) quick filtering technique: quick filtering technique will be carried out by the water outlet of coagulation assisted treatment process processing It is handled, multilayer filter material filtering basin is set, filtrate is divided into three layers, is successively laid with from top to bottom, and bottom filtrate is quartzy sand filtration The mixture that material and porcelain sand filter material mass ratio are 3:1, middle layer filtrate is magnet ore particle filtrate and shell filtrate mass ratio is 2:1's Mixture, the mixture that top layer filtrate is fiber-ball filter media and carbon leaching material mass ratio is 1:3;Filter type is transformation speed change Filtering;
(3) O3 catalytic oxidation is handled: it is anti-will to introduce O3 catalytic oxidation by quick filtering technique treated tail water Ying Chizhong carries out catalytic oxidation treatment, and wherein O3 catalytic oxidation reaction tank is catalysis ozone and active carbon coupling reaction pond, with The porosity bamboo charcoal particle active carbon for loading hydrated ferric oxide is filler, and the load factor of hydrated ferric oxide is calculated by mass 3%; Entered in a manner of upward flow from bottom by quick filtering technique treated tail water, ozone is using batch-type mode respectively anti- It answers and is added in the middle part of bottom of pond portion and reaction tank, the dosage of ozone is respectively 5mg/L;The hydraulic detention time of reaction tank is 30 points Clock;
(4) magnetic microsphere resin adsorption treatment process: will water outlet carries out magnetic microsphere resin by step (3) treated Water outlet is introduced into the stirred reactor equipped with magnetic microsphere resin and carries out continuous Dynamic Adsorption by adsorption treatment process, adsorbs Time is 60min, and the mixed liquor of hybrid resin and water enters sedimentation basin after reaction, and magnetic microsphere resin is separated from water body Afterwards, the water outlet obtained is the tail water for completing advanced treating.
Embodiment 3:
A kind of deep treatment method of pharmaceutical waste water biochemical tail water, specifically includes the following steps:
(1) coagulation assisted treatment process: by after biochemical treatment tail water introduce coagulative precipitation tank, to tail water according to Secondary to carry out the dry processing for throwing composite flocculation agent and the wet processing for throwing composite flocculation agent, L tail water every first is dry to throw compound coagulant 28mg, the dry throwing compound coagulant calculated by mass includes following components: 38 parts of polymeric aluminum sulfate silicates, 9 parts of chitins, 15 parts it is de- Toner;The dry addition thrown 30min after composite flocculation agent is launched and carry out wet throwing composite flocculation agent, every wet throwing composite flocculation agent of L tail water Effective ingredient consumption in addition to water is 12mg, and the wet throwing composite flocculation agent calculated by mass includes following component: 7 parts poly- third Acrylamide, 12 parts of crystal aluminum chlorides, 5 parts of microbial flocculants, 400 parts of water;Wherein, decolorising agent is dehydrated alcohol, seed activity Charcoal, the mixture that diatomite three's mass ratio is 2:4:3;Microbial flocculant is in microbial flocculant AJ7002, PF 101 Mixture;
(2) quick filtering technique: quick filtering technique will be carried out by the water outlet of coagulation assisted treatment process processing It is handled, multilayer filter material filtering basin is set, filtrate is divided into three layers, is successively laid with from top to bottom, and bottom filtrate is quartzy sand filtration The mixture that material and porcelain sand filter material mass ratio are 3:1, middle layer filtrate is magnet ore particle filtrate and shell filtrate mass ratio is 2:1's Mixture, the mixture that top layer filtrate is fiber-ball filter media and carbon leaching material mass ratio is 1:3;Filter type is transformation speed change Filtering;
(3) O3 catalytic oxidation is handled: it is anti-will to introduce O3 catalytic oxidation by quick filtering technique treated tail water Ying Chizhong carries out catalytic oxidation treatment, and wherein O3 catalytic oxidation reaction tank is catalysis ozone and active carbon coupling reaction pond, with The porosity bamboo charcoal particle active carbon for loading hydrated ferric oxide is filler, and the load factor of hydrated ferric oxide is calculated by mass 2%; Entered in a manner of upward flow from bottom by quick filtering technique treated tail water, ozone is using batch-type mode respectively anti- It answers and is added in the middle part of bottom of pond portion and reaction tank, the dosage of ozone is respectively 4mg/L;The hydraulic detention time of reaction tank is 40 points Clock;
(4) magnetic microsphere resin adsorption treatment process: will water outlet carries out magnetic microsphere resin by step (3) treated Water outlet is introduced into the stirred reactor equipped with magnetic microsphere resin and carries out continuous Dynamic Adsorption by adsorption treatment process, adsorbs Time is 45min, and the mixed liquor of hybrid resin and water enters sedimentation basin after reaction, and magnetic microsphere resin is separated from water body Afterwards, the water outlet obtained is the tail water for completing advanced treating.
Application examples 1:
Using the biochemical tailrace advanced processing method of above-described embodiment 1-3 to pharmaceutical factory of industry biochemical tail water Lab scale processing is carried out, wherein the COD intakeCrFor 280mg/L, ammonia nitrogen 12mg/L, SS 25mg/L;Water quality after treatment Index is as shown in table 1:
Table 1: water quality situation after the advanced treating of embodiment 1-3 is carried out to pharmacy biochemical tail water
It is discharged CODCr It is discharged ammonia nitrogen It is discharged SS Whether Treated sewage reusing standard is reached
Embodiment 1 22mg/L 2mg/L 6mg/L It is
Embodiment 2 23mg/L 3mg/L 10mg/L It is
Embodiment 3 20mg/L 2mg/L 8mg/L It is
Application examples 2:
Using the biochemical tailrace advanced processing method of above-described embodiment 1-3 to the biochemical tail in industry chemical plant Water carries out lab scale processing, wherein the COD intakeCrFor 260mg/L, ammonia nitrogen 14mg/L, SS 22mg/L;Water after treatment Matter index is as shown in table 1:
Table 2: water quality situation after the advanced treating of embodiment 1-3 is carried out to chemical industry biochemical tail water
It is discharged CODCr It is discharged ammonia nitrogen It is discharged SS Whether Treated sewage reusing standard is reached
Embodiment 1 19mg/L 2mg/L 5.5mg/L It is
Embodiment 2 22mg/L 4mg/L 7mg/L It is
Embodiment 3 20mg/L 3mg/L 8mg/L It is
As shown in 1 table 2 of table, the deep treatment method of the pharmaceutical waste water biochemical tail water of 1-3 of the embodiment of the present invention is used After handling biochemical tail water, it is discharged every water quality indicator and reaches national regulation correlation Treated sewage reusing standard, it can be seen that, A kind of deep treatment method of pharmaceutical waste water biochemical tail water of the present invention has efficient treatment effect, so that wastewater to reach standard is arranged It puts and meets Treated sewage reusing mark, and processing cost is cheap, remarkable in economical benefits.
It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, It can also make several improvements, these improvement also should be regarded as protection scope of the present invention.

Claims (8)

1. a kind of deep treatment method of pharmaceutical waste water biochemical tail water, it is characterised in that specifically includes the following steps:
(1) coagulation assisted treatment process: by after biochemical treatment tail water introduce coagulative precipitation tank, to tail water successively into The dry processing for throwing composite flocculation agent of row and the wet processing for throwing composite flocculation agent, L tail water every first is dry to throw compound coagulant 25- 30mg, the dry throwing compound coagulant calculated by mass includes following components: 30-45 parts of composite type inorganic polymer flocculants, 6-12 parts of chitins, 13-18 parts of decolorising agents;The dry addition thrown 30min after composite flocculation agent is launched and carry out wet throwing composite flocculation agent, The wet effective ingredient consumption of composite flocculation agent in addition to water of throwing of every L tail water is 10-15mg, and the wet throwing composite flocculation agent is with quality Calculating includes following component: 5-8 parts of organic polymer coargulators, 3-7 parts of microbial flocculants, 3-6 parts of crystal aluminum chlorides, 300- 500 parts of water;
(2) quick filtering technique: quick filtering technique progress will be carried out by the water outlet of coagulation assisted treatment process processing Multilayer filter material filtering basin is arranged in processing, and filtrate is divided into three layers, is successively laid with from top to bottom, bottom filtrate be quartz sand filter media and The mixture of porcelain sand filter material, middle layer filtrate are the mixture of magnet ore particle filtrate and shell filtrate, and top layer filtrate is fibrous nodules filter The mixing of material and carbon leaching material;Filter type is transformation filtration with varying rate;
(3) O3 catalytic oxidation is handled: will introduce O3 catalytic oxidation reaction tank by quick filtering technique treated tail water Middle carry out catalytic oxidation treatment, wherein O3 catalytic oxidation reaction tank is catalysis ozone and active carbon coupling reaction pond, with load The porosity bamboo charcoal particle active carbon of hydrated ferric oxide is filler, and the load factor of hydrated ferric oxide is 0.5%-3% calculated by mass; Entered in a manner of upward flow from bottom by quick filtering technique treated tail water, ozone is using batch-type mode respectively anti- It answers and is added in the middle part of bottom of pond portion and reaction tank, the dosage of ozone is respectively 3-5mg/L;The hydraulic detention time of reaction tank is 30- 50 minutes;
(4) magnetic microsphere resin adsorption treatment process: will water outlet carries out magnetic microsphere resin absorption by step (3) treated Water outlet is introduced into the stirred reactor equipped with magnetic microsphere resin and carries out continuous Dynamic Adsorption, adsorption time by treatment process For 30-60min, the mixed liquor of hybrid resin and water enters sedimentation basin after reaction, by magnetic microsphere resin after being separated in water body, Obtained water outlet is the tail water for completing advanced treating.
2. the deep treatment method of pharmaceutical waste water biochemical tail water according to claim 1, it is characterised in that: step (1) composite type inorganic polymer flocculant described in is polymeric aluminum sulfate silicate.
3. the deep treatment method of pharmaceutical waste water biochemical tail water according to claim 1, it is characterised in that: step (1) mixture that decolorising agent described in is dehydrated alcohol, granular activated carbon, diatomite three's mass ratio are 2:4:3.
4. the deep treatment method of pharmaceutical waste water biochemical tail water according to claim 1, it is characterised in that: step (1) microbial flocculant described in is at least two in microbial flocculant NOC-1, AJ7002, PF 101.
5. the deep treatment method of pharmaceutical waste water biochemical tail water according to claim 1, it is characterised in that: step (1) organic polymer coargulator described in is polyacrylamide or polyethylene glycol oxide.
6. the deep treatment method of pharmaceutical waste water biochemical tail water according to claim 1, it is characterised in that: step (2) mixture that bottom filtrate described in is quartz sand filter media and porcelain sand filter material mass ratio is 3:1.
7. the deep treatment method of pharmaceutical waste water biochemical tail water according to claim 1, it is characterised in that: step (2) mixture that middle layer filtrate described in is magnet ore particle filtrate and shell filtrate mass ratio is 2:1.
8. the deep treatment method of pharmaceutical waste water biochemical tail water according to claim 1, it is characterised in that: step (2) mixture that top layer filtrate described in is fiber-ball filter media and carbon leaching material mass ratio is 1:3.
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CN107459170A (en) * 2017-08-31 2017-12-12 南京大学盐城环保技术与工程研究院 A kind of method for removing fine chemistry industry biochemical treatment tail water toxicity
CN109052783B (en) * 2018-08-31 2021-06-29 重庆工商大学 Combined treatment process for synthetic drug wastewater
CN111422995B (en) * 2020-04-08 2021-01-26 南京御水科技有限公司 Flocculant containing microcapsule and preparation method thereof

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