CN106007265A - Advanced treatment method of chemical industry pharmaceutical wastewater biochemical tail water - Google Patents

Advanced treatment method of chemical industry pharmaceutical wastewater biochemical tail water Download PDF

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Publication number
CN106007265A
CN106007265A CN201610620471.1A CN201610620471A CN106007265A CN 106007265 A CN106007265 A CN 106007265A CN 201610620471 A CN201610620471 A CN 201610620471A CN 106007265 A CN106007265 A CN 106007265A
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water
tail water
filtrate
treatment method
treatment
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CN106007265B (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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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • 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
    • C02F2103/343—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 pharmaceutical industry, e.g. containing antibiotics
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C02F3/348—Biological 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

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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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

The invention discloses an advanced treatment method of chemical industry pharmaceutical wastewater biochemical tail water. A reinforced coagulative precipitation treatment technique, a rapid filtration technique, a catalytic ozone oxidation treatment technique and a magnetic microsphere resin adsorption treatment technique are organically combined for treatment; and in the reinforced coagulative precipitation treatment stage, the microbial flocculant, natural high-polymer flocculant, inorganic flocculant and other substances generate useful substances and secretions thereof in the growth process so as to form the substrates and raw materials for mutual growth, a complex-composition stable-structure wide-function microbial flora with various microbes is formed through the mutual symbiotic and proliferation relationship, and the three subsequent technique are combined as assistants to implement mutual benefits in the chemical industry pharmaceutical biochemical tail water purification process, thereby displaying the maximal combined advantages. The method has efficient treatment effect, so that the wastewater reaches the reclaimed water recycling 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 method, especially relate to the deep of a kind of pharmaceutical waste water biochemical tail water Degree processing method.
Background technology
The contaminated wastewater produced along with China's chemical industry and the fast development of medicinal industry, chemical enterprise and pharmacy corporation Cause with the problem of preventing and treating and paid close attention to widely.According to statistics, 2009, China's pharmacy waste water discharge capacity total amount Reach 5.27 hundred million tons；2011, pharmaceutical manufacturer of China about 5000, wastewater discharge accounted for industrial wastewater row 2.0% high-volume.Due to chemicals and medicine numerous in variety, production technology is different, therefore chemical industry The composition of pharmacy waste water is extremely complex, gives up including the solvent produced during chemicals and medicine processing The main feature of water, byproduct wastewater, washes and extraction waste water, summary pharmacy waste water includes: wastewater flow rate Greatly, pollutant component is complicated, organic concentration is high, colourity is high, biodegradability is poor, toxicity is high, belongs to typical case Difficult industrial wastewater.
Pharmaceutical waste water major part is all by biochemical treatment at present, but the tail water COD after processing is usual Still more than 150mg/L, the even up to 400-500mg/L having, and residual mostly be having of difficult for biological degradation Machine thing, brings higher risk to water environment safety and environmental health, carries out advanced treating and can reach " cities and towns Wastewater Treatment discharge standard " (GB18918-2002) one-level A standard or relevant reuse standard.
Existing deep treatment method mostly is the individual processing of certain technique or two kinds of simple process combination, at it Reason poor effect, if can propose a kind of multiple processing method and technique perfection to be coupled together to reach optimal place Reason effect, it will be that process pharmaceutical waste water one contributes greatly.
Summary of the invention
Goal of the invention: in order to the pharmacy waste water solved in the presence of prior art lacks effective deep treatment method Problem, the present invention proposes the pharmaceutical waste water biochemical tail water of a kind of high treating effect, high efficiency, low cost Deep treatment method.
Technical scheme: to achieve these objectives, the present invention takes techniques below scheme:
The deep treatment method of a kind of pharmaceutical waste water biochemical tail water, specifically includes following steps:
(1) coagulation assisted processes technique: the tail water after biochemical treatment is introduced coagulative precipitation tank, Tail water carries out dry composite flocculation agent of throwing successively process and the process of wet throwing composite flocculation agent, first every L tail Water is dry throws compound coagulant 25-30mg, the described dry throwing compound coagulant following components that includes calculated by mass: 30-45 part composite type inorganic polymer flocculant, 6-12 part chitin, 13-18 part decolorising agent；Dry throwing is combined After flocculant input, 30min carries out the addition of wet throwing composite flocculation agent, and every L tail water wet throwing composite flocculation agent removes Effective ingredient consumption outside water is 10-15mg, and described wet throwing composite flocculation agent is calculated by mass includes following group Point: 5-8 part organic polymer coargulator, 3-7 part microbial flocculant, 3-6 part crystal aluminum chloride, 300-500 Part water；
(2) fast filtering technique: the water outlet processing PROCESS FOR TREATMENT through coagulation assisted is carried out quickly mistake Filtering technology processes, and arranges multilamellar filter material filtering basin, and filtrate is divided into three layers, lays the most successively, the end Metafiltration material is the mixture of quartz sand filter media and porcelain sand filter material, and middle level filtrate is Magnet ore particle filtrate and shell filtrate Mixture, top layer filtrate is the mixing of fiber-ball filter media and carbon leaching material；Filter type is transformation speed change mistake Filter；
(3) O3 catalytic oxidation processes: the tail water after fast filtering PROCESS FOR TREATMENT is introduced catalysis ozone Carrying out catalytic oxidation treatment in oxidation reaction pond, wherein O3 catalytic oxidation reaction tank is catalysis ozone and activated carbon Coupled reaction pond, with load hydrated ferric oxide porous bamboo charcoal particle activated carbon as filler, hydrated ferric oxide Load factor is 0.5%-3% calculated by mass；More than the tail water after fast filtering PROCESS FOR TREATMENT to stream mode from Bottom enters, and ozone uses batch-type mode to add bottom reaction tank and in the middle part of reaction tank respectively, the throwing of ozone Dosage is respectively 3-5mg/L；The hydraulic detention time of reaction tank is 30-50 minute；
(4) magnetic microsphere resin adsorption treatment process: the water outlet after step (3) processes is carried out magnetic Microballoon resin adsorption treatment process, introduces water outlet equipped with carrying out in the stirred reactor of magnetic microsphere resin continuously Dynamic adsorption, adsorption time is 30-60min, and after reaction, the mixed liquor of hybrid resin and water enters sedimentation tank, After being separated from water body by magnetic microsphere resin, the water outlet obtained has been the tail water of advanced treating.
Being more highly preferred to, described in step (1), composite type inorganic polymer flocculant is polymeric aluminum sulfate silicate.
Being more highly preferred to, decolorising agent described in step (1) is dehydrated alcohol, granular active carbon, kieselguhr three Person's mass ratio is the mixture of 2:4:3.
Be more highly preferred to, microbial flocculant described in step (1) is microbial flocculant NOC-1, AJ7002, At least two in PF 101.
Being more highly preferred to, described in step (1), organic polymer coargulator is polyacrylamide or polyoxyethylene Alkene.
Further, described in step (1), starch ether is cationic starch ether.
Being more highly preferred to, bottom filtrate described in step (2) is quartz sand filter media and porcelain sand filter material mass ratio is The mixture of 3:1.
Being more highly preferred to, middle level filtrate described in step (2) is Magnet ore particle filtrate and shell filtrate mass ratio Mixture for 2:1.
Being more highly preferred to, top layer filtrate described in step (2) is fiber-ball filter media and carbon leaching material mass ratio Mixture for 1:3.
Beneficial effect: the deep treatment method of a kind of pharmaceutical waste water biochemical tail water that the present invention provides, according to The complicated component characteristic of chemical pharmaceutical industrial biochemistry tail water, uses coagulation assisted to process technique, quick mistake Filtering technology, O3 catalytic oxidation process technique and four kinds of organic knots of technique of magnetic microsphere resin adsorption treatment process The processing mode closed processes, and coagulation assisted processing stage, flocculant is divided into dry throwing and wet throwing, micro- Biological flocculant produces in its growth course with natural macromolecule flocculating agent, inorganic flocculating agent and other materials Utility and secretions thereof form substrate and the raw material of mutually growth, and by mutual symbiosis, Relationship With Proliferation shape Composition complexity, Stability Analysis of Structures, a function is become to have the microbiologic population of varied antibacterial widely, more auxiliary Process with three metafiltration ponds in follow-up fast filtering technique, further tail water is purified, then be aided with catalysis oxygen Change process and the combination of magnetic microsphere resin adsorption treatment process, in the purification process of chemical pharmaceutical biochemical tail water Mutual reciprocity and mutual benefit, play the associating advantage of its maximum, have efficient treatment effect so that waste water reaches middle water and returns Use standard.
Detailed description of the invention
Embodiment 1:
The deep treatment method of a kind of pharmaceutical waste water biochemical tail water, specifically includes following steps:
(1) coagulation assisted processes technique: the tail water after biochemical treatment is introduced coagulative precipitation tank, Tail water carries out dry composite flocculation agent of throwing successively process and the process of wet throwing composite flocculation agent, first every L tail Water is dry throws compound coagulant 25mg, the described dry throwing compound coagulant following components that includes calculated by mass: 30 parts Polymeric aluminum sulfate silicate, 6 parts of chitins, 13 parts of decolorising agents；After dry throwing composite flocculation agent is thrown in, 30min carries out wet throwing The addition of composite flocculation agent, every L tail water wet throwing composite flocculation agent effective ingredient consumption in addition to water is 10mg, Described wet throwing composite flocculation agent is calculated by mass includes following component: 5 parts of polyacrylamides, 3 parts of microorganisms are wadded a quilt with cotton Solidifying agent, 3 parts of crystal aluminum chlorides, 300 parts of water；Wherein, decolorising agent is dehydrated alcohol, granular active carbon, silicon Diatomaceous earth three's mass ratio is the mixture of 2:4:3；Microbial flocculant is microbial flocculant NOC-1, AJ7002 Mixture；
(2) fast filtering technique: the water outlet processing PROCESS FOR TREATMENT through coagulation assisted is carried out quickly mistake Filtering technology processes, and arranges multilamellar filter material filtering basin, and filtrate is divided into three layers, lays the most successively, the end Metafiltration material is quartz sand filter media and porcelain sand filter material mass ratio is the mixture of 3:1, and middle level filtrate is the filter of Magnet ore particle Material and shell filtrate mass ratio are the mixture of 2:1, and top layer filtrate is fiber-ball filter media and carbon leaching material quality Than the mixture for 1:3；Filter type is transformation filtration with varying rate；
(3) O3 catalytic oxidation processes: the tail water after fast filtering PROCESS FOR TREATMENT is introduced catalysis ozone Carrying out catalytic oxidation treatment in oxidation reaction pond, wherein O3 catalytic oxidation reaction tank is catalysis ozone and activated carbon Coupled reaction pond, with load hydrated ferric oxide porous bamboo charcoal particle activated carbon as filler, hydrated ferric oxide Load factor is calculated by mass 0.5%；More than the tail water after fast filtering PROCESS FOR TREATMENT to stream mode the end of from Portion enters, and ozone uses batch-type mode to add bottom reaction tank and in the middle part of reaction tank respectively, adding of ozone Amount is respectively 3mg/L；The hydraulic detention time of reaction tank is 50 minutes；
(4) magnetic microsphere resin adsorption treatment process: the water outlet after step (3) processes is carried out magnetic Microballoon resin adsorption treatment process, introduces water outlet equipped with carrying out in the stirred reactor of magnetic microsphere resin continuously Dynamic adsorption, adsorption time is 30min, and after reaction, the mixed liquor of hybrid resin and water enters sedimentation tank, will After magnetic microsphere resin separates from water body, the water outlet obtained has been the tail water of advanced treating.
Embodiment 2:
The deep treatment method of a kind of pharmaceutical waste water biochemical tail water, specifically includes following steps:
(1) coagulation assisted processes technique: the tail water after biochemical treatment is introduced coagulative precipitation tank, Tail water carries out dry composite flocculation agent of throwing successively process and the process of wet throwing composite flocculation agent, first every L tail Water is dry throws compound coagulant 30mg, the described dry throwing compound coagulant following components that includes calculated by mass: 45 parts Polymeric aluminum sulfate silicate, 12 parts of chitins, 18 parts of decolorising agents；After dry throwing composite flocculation agent is thrown in, 30min carries out wet Throwing the addition of composite flocculation agent, every L tail water wet throwing composite flocculation agent effective ingredient consumption in addition to water is 15mg, described wet throwing composite flocculation agent is calculated by mass includes following component: 8 parts of polyethylene glycol oxides, 14 parts Crystal aluminum chloride, 7 parts of microbial flocculants, 500 parts of water；Wherein, decolorising agent is dehydrated alcohol, granule work Property charcoal, kieselguhr three's mass ratio are the mixture of 2:4:3；Microbial flocculant is microbial flocculant The mixture of NOC-1, PF 101；
(2) fast filtering technique: the water outlet processing PROCESS FOR TREATMENT through coagulation assisted is carried out quickly mistake Filtering technology processes, and arranges multilamellar filter material filtering basin, and filtrate is divided into three layers, lays the most successively, the end Metafiltration material is quartz sand filter media and porcelain sand filter material mass ratio is the mixture of 3:1, and middle level filtrate is the filter of Magnet ore particle Material and shell filtrate mass ratio are the mixture of 2:1, and top layer filtrate is fiber-ball filter media and carbon leaching material quality Than the mixture for 1:3；Filter type is transformation filtration with varying rate；
(3) O3 catalytic oxidation processes: the tail water after fast filtering PROCESS FOR TREATMENT is introduced catalysis ozone Carrying out catalytic oxidation treatment in oxidation reaction pond, wherein O3 catalytic oxidation reaction tank is catalysis ozone and activated carbon Coupled reaction pond, with load hydrated ferric oxide porous bamboo charcoal particle activated carbon as filler, hydrated ferric oxide Load factor is calculated by mass 3%；More than the tail water after fast filtering PROCESS FOR TREATMENT to stream mode from bottom Entering, ozone uses batch-type mode to add bottom reaction tank and in the middle part of reaction tank respectively, the dosage of ozone It is respectively 5mg/L；The hydraulic detention time of reaction tank is 30 minutes；
(4) magnetic microsphere resin adsorption treatment process: the water outlet after step (3) processes is carried out magnetic Microballoon resin adsorption treatment process, introduces water outlet equipped with carrying out in the stirred reactor of magnetic microsphere resin continuously Dynamic adsorption, adsorption time is 60min, and after reaction, the mixed liquor of hybrid resin and water enters sedimentation tank, will After magnetic microsphere resin separates from water body, the water outlet obtained has been the tail water of advanced treating.
Embodiment 3:
The deep treatment method of a kind of pharmaceutical waste water biochemical tail water, specifically includes following steps:
(1) coagulation assisted processes technique: the tail water after biochemical treatment is introduced coagulative precipitation tank, Tail water carries out dry composite flocculation agent of throwing successively process and the process of wet throwing composite flocculation agent, first every L tail Water is dry throws compound coagulant 28mg, the described dry throwing compound coagulant following components that includes calculated by mass: 38 parts Polymeric aluminum sulfate silicate, 9 parts of chitins, 15 parts of decolorising agents；After dry throwing composite flocculation agent is thrown in, 30min carries out wet throwing The addition of composite flocculation agent, every L tail water wet throwing composite flocculation agent effective ingredient consumption in addition to water is 12mg, Described wet throwing composite flocculation agent is calculated by mass includes following component: 7 parts of polyacrylamides, 12 parts of crystallization chlorinations Aluminum, 5 parts of microbial flocculants, 400 parts of water；Wherein, decolorising agent is dehydrated alcohol, granular active carbon, silicon Diatomaceous earth three's mass ratio is the mixture of 2:4:3；Microbial flocculant is microbial flocculant AJ7002, PF 101 In mixture；
(2) fast filtering technique: the water outlet processing PROCESS FOR TREATMENT through coagulation assisted is carried out quickly mistake Filtering technology processes, and arranges multilamellar filter material filtering basin, and filtrate is divided into three layers, lays the most successively, the end Metafiltration material is quartz sand filter media and porcelain sand filter material mass ratio is the mixture of 3:1, and middle level filtrate is the filter of Magnet ore particle Material and shell filtrate mass ratio are the mixture of 2:1, and top layer filtrate is fiber-ball filter media and carbon leaching material quality Than the mixture for 1:3；Filter type is transformation filtration with varying rate；
(3) O3 catalytic oxidation processes: the tail water after fast filtering PROCESS FOR TREATMENT is introduced catalysis ozone Carrying out catalytic oxidation treatment in oxidation reaction pond, wherein O3 catalytic oxidation reaction tank is catalysis ozone and activated carbon Coupled reaction pond, with load hydrated ferric oxide porous bamboo charcoal particle activated carbon as filler, hydrated ferric oxide Load factor is calculated by mass 2%；More than the tail water after fast filtering PROCESS FOR TREATMENT to stream mode from bottom Entering, ozone uses batch-type mode to add bottom reaction tank and in the middle part of reaction tank respectively, the dosage of ozone It is respectively 4mg/L；The hydraulic detention time of reaction tank is 40 minutes；
(4) magnetic microsphere resin adsorption treatment process: the water outlet after step (3) processes is carried out magnetic Microballoon resin adsorption treatment process, introduces water outlet equipped with carrying out in the stirred reactor of magnetic microsphere resin continuously Dynamic adsorption, adsorption time is 45min, and after reaction, the mixed liquor of hybrid resin and water enters sedimentation tank, will After magnetic microsphere resin separates from water body, the water outlet obtained has been the tail water of advanced treating.
Application examples 1:
The biochemical tailrace advanced processing method using above-described embodiment 1-3 is biochemical to pharmaceutical factory of industry Tail water carries out lab scale process, the COD wherein intakeCrFor 280mg/L, ammonia nitrogen is that 12mg/L, SS are 25mg/L；Water quality index after treatment is as shown in table 1:
Table 1: pharmacy biochemical tail water is carried out water quality situation after the advanced treating of embodiment 1-3
Water outlet CODCr Water outlet ammonia nitrogen Water outlet SS Whether reach Treated sewage reusing standard
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:
The life to chemical plant, industry of the biochemical tailrace advanced processing method of use above-described embodiment 1-3 Change tail water and carry out lab scale process, the COD wherein intakeCrFor 260mg/L, ammonia nitrogen is that 14mg/L, SS are 22mg/L；Water quality index after treatment is as shown in table 1:
Table 2: chemical industry biochemical tail water is carried out water quality situation after the advanced treating of embodiment 1-3
Water outlet CODCr Water outlet ammonia nitrogen Water outlet SS Whether reach Treated sewage reusing standard
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 table 1 table 2, use the depth of the pharmaceutical waste water biochemical tail water of embodiment of the present invention 1-3 After biochemical tail water is processed by reason method, the every water quality index of water outlet all reaches national regulation and is correlated with Treated sewage reusing Standard, it can be seen that, the deep treatment method of the present invention a kind of pharmaceutical waste water biochemical tail water has efficiently Treatment effect so that discharged wastewater met the national standard and meet Treated sewage reusing mark, and processing cost is cheap, economic benefit Significantly.
It should be pointed out that, for those skilled in the art, before without departing from the principle of the invention Putting, it is also possible to make some improvement, these improvement also should be regarded as protection scope of the present invention.

Claims (9)

1. the deep treatment method of a pharmaceutical waste water biochemical tail water, it is characterised in that specifically include following Step:
(1) coagulation assisted processes technique: the tail water after biochemical treatment is introduced coagulative precipitation tank, Tail water carries out dry composite flocculation agent of throwing successively process and the process of wet throwing composite flocculation agent, first every L tail Water is dry throws compound coagulant 25-30mg, the described dry throwing compound coagulant following components that includes calculated by mass: 30-45 part composite type inorganic polymer flocculant, 6-12 part chitin, 13-18 part decolorising agent；Dry throwing is combined After flocculant input, 30min carries out the addition of wet throwing composite flocculation agent, and every L tail water wet throwing composite flocculation agent removes Effective ingredient consumption outside water is 10-15mg, and described wet throwing composite flocculation agent is calculated by mass includes following group Point: 5-8 part organic polymer coargulator, 3-7 part microbial flocculant, 3-6 part crystal aluminum chloride, 300-500 Part water；
(2) fast filtering technique: the water outlet processing PROCESS FOR TREATMENT through coagulation assisted is carried out quickly mistake Filtering technology processes, and arranges multilamellar filter material filtering basin, and filtrate is divided into three layers, lays the most successively, the end Metafiltration material is the mixture of quartz sand filter media and porcelain sand filter material, and middle level filtrate is Magnet ore particle filtrate and shell filtrate Mixture, top layer filtrate is the mixing of fiber-ball filter media and carbon leaching material；Filter type is transformation speed change mistake Filter；
(3) O3 catalytic oxidation processes: the tail water after fast filtering PROCESS FOR TREATMENT is introduced catalysis ozone Carrying out catalytic oxidation treatment in oxidation reaction pond, wherein O3 catalytic oxidation reaction tank is catalysis ozone and activated carbon Coupled reaction pond, with load hydrated ferric oxide porous bamboo charcoal particle activated carbon as filler, hydrated ferric oxide Load factor is 0.5%-3% calculated by mass；More than the tail water after fast filtering PROCESS FOR TREATMENT to stream mode from Bottom enters, and ozone uses batch-type mode to add bottom reaction tank and in the middle part of reaction tank respectively, the throwing of ozone Dosage is respectively 3-5mg/L；The hydraulic detention time of reaction tank is 30-50 minute；
(4) magnetic microsphere resin adsorption treatment process: the water outlet after step (3) processes is carried out magnetic Microballoon resin adsorption treatment process, introduces water outlet equipped with carrying out in the stirred reactor of magnetic microsphere resin continuously Dynamic adsorption, adsorption time is 30-60min, and after reaction, the mixed liquor of hybrid resin and water enters sedimentation tank, After being separated from water body by magnetic microsphere resin, the water outlet obtained has been the tail water of advanced treating.
The deep treatment method of pharmaceutical waste water biochemical tail water the most according to claim 1, its feature It is: described in step (1), composite type inorganic polymer flocculant is polymeric aluminum sulfate silicate.
The deep treatment method of pharmaceutical waste water biochemical tail water the most according to claim 1, its feature It is: decolorising agent described in step (1) is that dehydrated alcohol, granular active carbon, kieselguhr three's mass ratio are The mixture of 2:4:3.
The deep treatment method of pharmaceutical waste water biochemical tail water the most according to claim 1, its feature It is: described in step (1), microbial flocculant is microbial flocculant NOC-1, AJ7002, PF 101 In at least two.
The deep treatment method of pharmaceutical waste water biochemical tail water the most according to claim 1, its feature It is: described in step (1), organic polymer coargulator is polyacrylamide or polyethylene glycol oxide.
The deep treatment method of pharmaceutical waste water biochemical tail water the most according to claim 5, its feature It is: described in step (1), starch ether is cationic starch ether.
The deep treatment method of pharmaceutical waste water biochemical tail water the most according to claim 1, its feature It is: bottom filtrate described in step (2) is quartz sand filter media and porcelain sand filter material mass ratio is the mixing of 3:1 Thing.
The deep treatment method of pharmaceutical waste water biochemical tail water the most according to claim 1, its feature It is: middle level filtrate described in step (2) is Magnet ore particle filtrate and shell filtrate mass ratio is the mixed of 2:1 Compound.
The deep treatment method of pharmaceutical waste water biochemical tail water the most according to claim 1, its feature It is: top layer filtrate described in step (2) is fiber-ball filter media and carbon leaching material mass ratio is the mixed of 1:3 Compound.
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Cited By (4)

* Cited by examiner, † Cited by third party
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CN107311330A (en) * 2017-08-18 2017-11-03 江苏海普功能材料有限公司 The method that alcohol biochemical tail water decolourizes
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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
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