CN104529053B - A kind for the treatment of process of high concentration pharmacy waste water - Google Patents

A kind for the treatment of process of high concentration pharmacy waste water Download PDF

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Publication number
CN104529053B
CN104529053B CN201410701733.8A CN201410701733A CN104529053B CN 104529053 B CN104529053 B CN 104529053B CN 201410701733 A CN201410701733 A CN 201410701733A CN 104529053 B CN104529053 B CN 104529053B
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waste water
water
treatment
concentration
tank
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CN201410701733.8A
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CN104529053A (en
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于峰
蒋栋梁
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Anhui Hengshun Information Technology Co., Ltd.
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YOUCARE PHARMACEUTICAL GROUP ANHUI BIOLOGICAL PHARMACEUTICAL Co Ltd
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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
    • C02F1/24—Treatment of water, waste water, or sewage by flotation
    • 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
    • C02F1/54—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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C02F3/28—Anaerobic digestion processes
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

Abstract

The treatment process that the present invention relates to a kind of high concentration pharmacy waste water, comprises the following steps: filter (1); (2), the solidifying wadding of preparation agent; (3), use air floatation machine processing; (4), hydrolysis acidification reaction; (5), IC reactor for treatment; (6), conventional treatment, the present invention does not need high-concentration waste water to dilute, reduce the waste of water, first suspension, impurity and colloid in water are separated with water, then process, solid-liquid is separately processed, has been improved speed and the effect of water treatment, method of the present invention have energy consumption low, process thorough, practical feature.

Description

A kind for the treatment of process of high concentration pharmacy waste water
Technical field
The invention belongs to sewage treatment area, be specifically related to a kind for the treatment of process of high concentration pharmacy waste water.
Background technology
The sheet frame filter wash cloth waste water that produces in 7-ACA production process, absorption flushing waste water, part wash-out chromoresin waste water and7-ACA crystallization waste water etc. has COD content high (average 11000mg/L), and suspension content high (1500mg/L) is simultaneously containing in distressOrganic matter and the noxious material of degraded. This type of waste water is more difficult, and contaminative is high, present often organic matter of a step processing methodResolution ratio is low, has that in processing procedure, to add inorganic agent addition many simultaneously, and the later stage should not process, and processing cost is high,When high-concentration waste water treatment, many times first high-concentration waste water is diluted, then processing, processing cost is high, andAnd waste a large amount of domestic waters.
Summary of the invention
The object of this invention is to provide a kind for the treatment of process of high concentration pharmacy waste water, by first by high-concentration waste water treatmentBecome low concentration wastewater, then carry out conventional treatment, improved the efficiency of wastewater treatment, promoted treatment effect.
The present invention is achieved through the following technical solutions:
A treatment process for high concentration pharmacy waste water, comprises the following steps:
(1), by waste water by grid, filter out the large granular impurity in waste water, then waste water is injected to collecting-tank;
(2), polyacrylamide solution preparation: to 5m3In flocculation aid agitator tank, add polyacrylamide 7.5kg, produce water5m3, it is stirring at normal temperature half an hour, for subsequent use,
Polymeric aluminum chlorides solution preparation: to 5m3In flocculant agitator tank, add aluminium polychloride 50kg, produce water 5m3，Stirring at normal temperature half an hour, for subsequent use;
(3), the waste water in collecting-tank is passed into air floatation machine, in air floatation machine, press 100m3It is pending that/h flow passes into high concentrationWaste water is pressed 1m simultaneously3/ h flow injects 1.5 ‰ polyacrylamide solutions, 1.5m3It is molten that/h flow injects 10 ‰ aluminium polychloridesLiquid, passes into 0.2-0.4MPa pressure air-dissolving water at reaction zone, the impurity that floats over water surface is entered to sludge-tank and carry out subsequent treatment;
(4), previous step air supporting water outlet is regulated to pH to 7.0-7.4, by 100m3/ h flow passes into hydrolysis acidification pool, simultaneouslyPass into steam to hydrolysis acidification pool and make water body be warming up to 35 DEG C, keep the dissolved oxygen amount of waste water at 0.2-0.5mg/L;
(5), high-concentration waste water through hydrolysis acidification process after according at the uniform velocity flowing into IC reactor, multiparity second in IC reactorAcid bacterium, methanogen carry out metabolism reaction, by organic matter degradation in waste water, obtain low concentration wastewater, and waste gas is taken offSulphuring treatment;
(6), low concentration wastewater is carried out to conventional treatment.
Preferably, parameter when IC reactor for treatment is:
Volumetric loading: the first reaction chamber volume load Nv1=10.0kgCOD/ (m3D), the second reaction chamber volume loadNv2=3kgCOD/(m3·d)；
SRT：24—36h；
Upflow velocity: the first reative cell upflow velocity is 5-10m/h,
The second reative cell upflow velocity is 1-2m/h;
Tower temperature control: 35--38 DEG C, temperature fluctuation≤± 1 DEG C/24h.
Beneficial effect of the present invention: the treatment process method of high concentration pharmacy waste water provided by the invention is simple, by elder generationHigh-concentration waste water is processed into low concentration wastewater, does not need high-concentration waste water to dilute, reduced the waste of water, first by waterMiddle suspension, impurity and colloid separate with water, then process, and solid-liquid is separately processed, improved water treatment speed andEffect, method of the present invention have energy consumption low, process the feature thorough, practical, cost is low.
Brief description of the drawings
Fig. 1 is flow chart of the present invention.
Detailed description of the invention
Process high-concentration waste water method for be collected into by pipeline grid wherein volume bigger material isolate, then through collectionPond enters air supporting with pump and removes most of solid suspension and a small amount of remaining oils and fat; It is concentrated that air supporting product mud enters mudSubsequent processes is carried out in pond after processed, air supporting water outlet through pH regulate, steam heats up the acid that is hydrolyzed of laggard hydrolysis acidification poolChange. In hydrolysis acidification section, sewage is converted into little molecule through hydrolysis acidification processing by large part molecule hardly degraded organic substance and easily fallsSeparate organic matter. Through IC reactor utilization product acetic acid, methanogen, the organic pollution of high concentration is converted into CO again2、CH4、H2SDeng, thereby further remove noxious material and degraded larger molecular organics, IC reaction water outlet is to follow-up middle low concentration wastewater processingSection, IC reactor produces biogas through dry type desulfurizing (Fe2O3) after-combustion utilization. Concrete technology node is as follows:
The first step: air-float technology
1.1PAM, PAC solution
Name of material Inventory Reagent specification Material effect
Polyacrylamide 7.5kg Inner quality standard Flocculation aid absorption makes floc sedimentation increase, firm
Aluminium polychloride 50 kg Industry Suspension, impurity in flocculant adsorbed water
Technique is described:
Polyacrylamide liquid preparation: to 5m3In flocculation aid agitator tank, add polyacrylamide 7.5kg, produce water 5m3，Stirring at normal temperature half an hour, for subsequent use.
Aluminium polychloride liquid preparation: to 5m3In flocculant agitator tank, add aluminium polychloride 50kg, produce water 5m3, normalTemperature stirs half an hour, for subsequent use.
1.2 air floatation machine operations
Name of material Inventory Reagent specification Material effect
High-concentration waste water 100m3/h Pollution discharge Pending main body
Polyacrylamide liquid 1 m3/h Self-control Flocculation aid
Aluminium polychloride liquid 1.5 m3/h Self-control Flocculant
Pressure air-dissolving water 30 m3/h 0.25-0.4MPa Separate out the density that changes floc sedimentation on microbubble absorption floc sedimentation
Technique is described:
Reaction: high-concentration waste water flows automatically and enters collecting-tank after grid maker is removed floating foreign material, through pump pipeline collecting-tankBe conveyed into air floatation machine (specification 34 × 8 × 4.5m). In air floatation machine, press 100m3/ h flow passes into the pending waste water of high concentration, simultaneouslyPress 1m3/ h flow injects 1.5 ‰ polyacrylamide solutions, 1.5m3/ h flow injects 10 ‰ polymeric aluminum chlorides solutions, in reactionDistrict passes into 0.2-0.4MPa pressure air-dissolving water, and in water, suspension, impurity and colloid and liquid carry out polymerization, flocculation reaction generatesThe microbubble that large floc sedimentation discharges in dissolved air water is combined, thereby whole Floc density is lower than water floating, by scraping slag on air floatation machineMachine removal enters sludge concentration tank by sludge pump and carries out subsequent processes.
Inlet and outlet water water quality: air supporting influent quality is CODcr=11000mg/L, SS=1200mg/L; Water outlet after air supporting is processedWater quality is CODcr=9900mg/L, and in SS=300mg/L waste water, suspension handling rate reaches 75%.
Second: hydrolysis acidification technique
2.1 hydrolysis acidification operations
Name of material Inventory Reagent specification Material effect
High-concentration waste water 100m3/h Pollution discharge Upper step product
Air DO keeps 0.2-0.5mg/L Self-control In order to hold concurrently, oxygen bacterium provides oxygen
Steam 2-3t/h Internal control index Intensification water body
NaOH Add in right amount Industry Regulate pH value
H2SO4 Add in right amount Industry Regulate pH value
Technique is described:
Operating procedure: by previous step air supporting water outlet with NaOH or salt acid for adjusting pH to 7.0-7.4,, according to 100m3/ h streamAmount passes into waste water after upper step pretreatment to hydrolysis acidification pool (34 × 13.5 × 6m), passes into by 2-3t/h flow to hydrolysis area simultaneouslySteam makes water body be warming up to 35 DEG C, can timing be measured and make it remain on 0.2-by hydrolysis acidification pool hydrolysis area dissolved oxygen0.5mg/L, can blowing air 5min/ time, 1-2 times/day if too low.
Hydrolysis: in waste water macromolecule organic because of relative molecular weight huge, can not permeate through cell membranes, therefore impossibleFor bacterium directly utilizes. Macromolecule organic is decomposed into little molecule at hydrolysis stage by bacterium ectoenzyme. Be mainly cellulose quiltCellulose hydrolyzation is cellobiose and glucose, and starch is maltose and glucose by Amylase Hydrolysis, and protein is by albumenMatter enzyme hydrolysis is small peptide and amino acid etc. These micromolecular hydrolysates can be dissolved in water and permeate through cell membranes is bacterium instituteUtilize.
Acidification reaction: above-mentioned micromolecular compound is converted into more simple compound and divides in the cell of acidifying bacteriumSecrete to extracellular. The zymogenous bacteria overwhelming majority is strict anaerobes, but 1% the facultative anaerobe of conventionally having an appointment is present in anaerobism ringIn border, these facultative anaerobes can play infringement and the inhibition that protection strict anaerobes avoids oxygen. The main product of this one-phaseThing has volatile fatty acid, alcohols, lactic acid, carbon dioxide, hydrogen, ammonia, hydrogen sulfide etc.
The 3rd step IC technique
The operation of 3.1IC reactor
Product title Output Specification Whereabouts
Biogas 400m3/h CH4Approximately 60% After dry type desulfurizing, utilize
Mud 10m3/d Moisture content 95% Enter the processing of sludge concentration and dewatering system
Middle low concentration wastewater 100 m3/h CODcr=3000mg/L Enter low concentration wastewater treatment system in Sewage Disposal
Technique describe: high-concentration waste water through hydrolysis acidification process after according to 100m3/ h flow at the uniform velocity flow into Φ 7 × 25m ×4 groups of IC reactors react through acetogen, a series of metabolism of methanogen, by organic matter in waste water in IC reactorBe degraded to CH4、CO2、H2S, oxynitrides etc., be purified high-concentration waste water, thereby become low concentration wastewater.
IC reactor operational factor:
Water inlet index: pH=6.8-7.2, CODcr ≈ 9900mg/L, BOD5≥2970mg/L，SO4 2_≤800mg/L,T≈35℃，SS=300mg/L；
Volumetric loading: the first reaction chamber volume load Nv1=10.0kgCOD/ (m3D), the second reaction chamber volume loadNv2=3kgCOD/(m3·d)；
SRT：24—36h；
Effluent index: CODcr≤2970mg/L, BOD5≤800mg/L，SS≤300mg/L。
Upflow velocity: the first reative cell upflow velocity is 5-10m/h,
The second reative cell upflow velocity is 1-2m/h.
Tower temperature control: 35--38 DEG C, temperature fluctuation≤± 1 DEG C/24h.
3.2 biogas utilization
H2S＋Fe2O3 H2O＋Fe2S3
Technique is described: the biogas that IC reactor produces is through desulfurizer (iron oxide packed tower) hydrogen sulfide and desulfurization whereinIron oxide reaction in device generates iron sulfide, thereby sloughs H wherein2S, then the profit of burning after methane voltage-stabilizing storage tankWith.
3.3 sludge treatment
Technique is described: the mud that the mud that native system produces and activated sludge process produce enters sludge concentration tank jointly, entersAfter row gravity concentration, enter centrifuge dewatering processing by dosing.

Claims (1)

1. a treatment process for high concentration pharmacy waste water, is characterized in that, comprises the following steps:
(1), by waste water by grid, filter out the large granular impurity in waste water, then waste water is injected to collecting-tank;
(2), polyacrylamide solution preparation: to 5m3In flocculation aid agitator tank, add polyacrylamide 7.5kg, produce water 5m3，Stirring at normal temperature half an hour, for subsequent use,
Polymeric aluminum chlorides solution preparation: to 5m3In flocculant agitator tank, add aluminium polychloride 50kg, produce water 5m3, normal temperatureStir half an hour, for subsequent use;
(3), the waste water in collecting-tank is passed into air floatation machine, in air floatation machine, press 100m3/ h flow passes into the pending waste water of high concentration,Press 1m simultaneously3/ h flow injects 1.5 ‰ polyacrylamide solutions, 1.5m3/ h flow injects 10 ‰ polymeric aluminum chlorides solutions,Reaction zone passes into 0.2-0.4MPa pressure air-dissolving water, the impurity that floats over water surface is entered to sludge-tank and carry out subsequent treatment;
(4), previous step air supporting water outlet is regulated to pH to 7.0-7.4, by 100m3/ h flow passes into hydrolysis acidification pool, simultaneously to waterSolution acidification pool passes into steam makes water body be warming up to 35 DEG C, keeps the dissolved oxygen amount of waste water at 0.2-0.5mg/L;
(5), high-concentration waste water through hydrolysis acidification process after according at the uniform velocity flowing into IC reactor, multiparity acetic acid in IC reactorBacterium, methanogen carry out metabolism reaction, by organic matter degradation in waste water, obtain low concentration wastewater, and waste gas is carried out to desulfurizationProcess;
(6), low concentration wastewater is carried out to conventional treatment;
Parameter when IC reactor for treatment is:
Volumetric loading: the first reaction chamber volume load Nv1=10.0kgCOD/ (m3D), the second reaction chamber volume load Nv2=3kgCOD/(m3·d)；
SRT：24—36h；
Upflow velocity: the first reative cell upflow velocity is 5-10m/h,
The second reative cell upflow velocity is 1-2m/h;
Tower temperature control: 35--38 DEG C, temperature fluctuation≤± 1 DEG C/24h.
CN201410701733.8A 2014-11-28 2014-11-28 A kind for the treatment of process of high concentration pharmacy waste water Active CN104529053B (en)

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105016449A (en) * 2015-08-06 2015-11-04 沈健龙 Method for removing norgestrel, norethisterone enanthate and norethindrone in waste water of pharmaceutical factory
CA3017683A1 (en) * 2016-04-11 2017-10-19 Kemira Oyj Improving sludge dewaterability and energy balance of wastewater treatment
CN109320008A (en) * 2018-09-20 2019-02-12 河南精康制药有限公司 A kind for the treatment of process of pharmacy waste water
CN109879538A (en) * 2019-03-18 2019-06-14 浙江双益环保科技发展有限公司 A kind of high total nitrogen, high salinity antibiotics pharmacy waste water processing method
CN112062421A (en) * 2020-09-25 2020-12-11 青岛中泽环保科技有限公司 Fourth generation sewage anaerobic biological treatment system

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US20090120881A1 (en) * 2007-11-13 2009-05-14 Sam Fanday Treatment blends for removing metals from wastewater, methods of producing and process of using the same
CN101746919A (en) * 2008-11-27 2010-06-23 赵月 Method for processing waste water of biological pharmacy
CN102921424B (en) * 2012-11-06 2015-01-07 四川立新瑞德水处理有限责任公司 Catalyst, LX catalytic oxidation method and antibiotic wastewater treatment method

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Address after: 236000 Lubei Industrial Park, Taihe Economic and Technological Development Zone, Fuyang City, Anhui Province

Patentee after: Anhui Hengshun Information Technology Co., Ltd.

Address before: 236600 Industrial Park Road North, Taihe Economic and Technological Development Zone, Fuyang City, Anhui Province

Patentee before: YOUCARE PHARMACEUTICAL GROUP ANHUI BIOLOGICAL PHARMACEUTICAL CO., LTD.

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