CN106927628A - Light electrolysis-Fenton-EGSB-A/O-BCO-BAF-coagulating treatment pharmacy waste water technique - Google Patents

Light electrolysis-Fenton-EGSB-A/O-BCO-BAF-coagulating treatment pharmacy waste water technique Download PDF

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CN106927628A
CN106927628A CN201710120674.9A CN201710120674A CN106927628A CN 106927628 A CN106927628 A CN 106927628A CN 201710120674 A CN201710120674 A CN 201710120674A CN 106927628 A CN106927628 A CN 106927628A
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pond
waste water
baf
egsb
fenton
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万金保
付煜
刘峰
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Nanchang 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
    • C02F1/24—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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
    • 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
    • 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
    • C02F1/722—Oxidation by peroxides
    • 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
    • C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • 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
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/105—Phosphorus compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • 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
    • C02F2303/00—Specific treatment goals
    • C02F2303/02—Odour removal or prevention of malodour
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/02—Specific form of oxidant
    • C02F2305/026—Fenton's reagent
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/30—Aerobic and anaerobic processes
    • C02F3/308—Biological phosphorus removal

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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)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

A kind of light electrolysis-Fenton-EGSB-A/O-BCO-BAF-coagulating treatment pharmacy waste water technique, i.e. high concentration medical wastewater passes sequentially through oil interceptor, regulating reservoir, micro-electrolysis reaction pond, Fenton catalysis oxidizing tower, flat flow preliminary sedimentation tank, comprehensive adjustment pond, hydrolysis acidification pool, expanded granular sludge bed (EGSB), anoxic/Aerobic Pond（A/O）, two-stage biological contact-oxidation pool（BCO）, second pond, BAF (BAF), coagulating basin, flotation tank and final deposition pool process last qualified discharge.Mature technology of the present invention, treatment effect stabilization, capacity of resisting impact load is strong.Pharmacy waste water reaches by water outlet effluent quality after group technology treatment《Integrated wastewater discharge standard》(GB8978-1996) primary standard.

Description

Light electrolysis-Fenton-EGSB-A/O-BCO-BAF-coagulating treatment pharmacy waste water Technique
Technical field
The present invention relates to a kind of light electrolysis, Fenton oxidation tower, expanded granular sludge bed (EGSB), anoxic/Aerobic Pond（A/ O）, two-stage biological contact-oxidation pool（BCO）, BAF (BAF), coagulating basin combined treatment pharmacy waste water technique belong to Environmental Science and Engineering technical field.
Background technology
In recent years, China's pharmaceuticals industry is developed rapidly, and pharmacy corporation is large number of, and year produces tens of thousands of kinds and nearly million tons of medicines Agent, pharmacy waste water yield is big, but annual handling rate is less than 30%.Because pharmacy waste water pollutant component is complicated, toxicity Greatly, colourity is high, the change of difficult for biological degradation, water quality and quantity greatly, be one kind difficult to deal with industrial wastewater.Additionally, pharmacy waste water In contain more Recalcitrant chemicals, these materials remain for a long time after entering water body, and have mostly have bio-toxicity and " three cause " effect, by that can be enriched with human body after food chain, the health of harmful to human.If not carrying out depth for such waste water Treatment, Pollutants in Wastewater cannot effectively degrade and serious breaking will be formed to the ecological environment on periphery with regard to discharge natural water It is bad.
At present, kinds of processes and method, such as oxidation in chemical method have developed to high concentration medical wastewater treatment both at home and abroad Method, electrolysis and advanced oxidation processes etc.；Coagulation, air supporting, ion-exchange in physico-chemical process etc.；UASB, EGSB in biochemical process Deng.But not only operating cost is high for single processing means, and is difficult to qualified discharge.Research shows, light electrolysis, Fenton （Fenton）Pretreatment of the oxidizing process to difficult degradation pharmacy waste water has good effect, can effectively improve the biochemical of waste water Property.It is expanded granular sludge bed（EGSB）Mud granule is big, and COD clearances are high, high to SS contents, virose pharmacy wastewater treatment Effect is good and is widely used.Therefore, in the engineering experience for using for reference domestic and international pharmacy wastewater treatment, find a kind of technology into Ripe, effect stability, processing cost are low, capacity of resisting impact load is strong, operational administrative is simple, and can produce certain economy and Environmental Effect The group technology of benefit, the problem of environmental pollution caused to solution high concentration medical wastewater is particularly important.
The content of the invention
The purpose of the present invention is directed to pharmacy waste water complicated component, and colourity is big, COD concentration is high, biodegradability is poor, difficult biological A kind of the features such as degraded, it is proposed that light electrolysis-Fenton-CGSB（EGSB）- anoxic/Aerobic Pond（A/ O）- two-stage biological contact-oxidation pool（BCO）- BAF (BAF)-coagulating treatment pharmacy waste water technique.Pharmacy waste water Reached by effluent quality after group technology treatment《Integrated wastewater discharge standard》(GB8978-1996) primary standard.
Realize the technical scheme is that:Using iron-carbon micro-electrolysis, Fenton catalysis oxidation, hydrolysis acidification, expanded granular Sludge Bed (EGSB), anoxic/aerobic（A/O）, two-stage biological contact-oxidation pool（BCO), BAF（BAF), coagulation seven Position integrated synthesis Pharmaceutical Wastewater Treatment.
The system of the Pharmaceutical Wastewater Treatment that the technique is taken is constituted:Expanded granular sludge bed（EGSB）Successively before Oil interceptor, regulating reservoir, iron-carbon micro-electrolysis pond, Fenton catalysis oxidizing tower, flat flow preliminary sedimentation tank, comprehensive adjustment pond and hydrolysis acid are set Change pond, expanded granular sludge bed（EGSB）Set up A/O ponds, two-stage BCO ponds, BAF ponds, second pond, coagulating basin, gas successively afterwards Floating pond, final deposition pool.
The flat flow preliminary sedimentation tank, second pond, coagulating basin, BAF ponds, final deposition pool couple with sludge concentration tank, make five ponds Sludge enters sludge concentration tank, and sludge concentration tank couples with plate and frame filter press, and mud cake is transported outward after sludge is dehydrated through plate and frame filter press, Sludge concentration tank and plate and frame filter press are connected with regulating reservoir, and upper strata filtrate is back into regulating reservoir.It is expanded granular sludge bed （EGSB）Reactor sets reflux pump, and water part is flowed back, dilution water inlet；Anoxic pond phase in two-stage BCO ponds and A/O ponds Even, refluxing portion activated sludge to anoxic pond.
The technique is comprised the following steps：
(1）High concentration medical wastewater sequentially passes through oil interceptor and regulating reservoir carry out after the removal of oil slick and the regulation of water quality and quantity by Elevator pump is promoted to iron-carbon micro-electrolysis pond；
（2）Iron carbon filler is filled in iron-carbon micro-electrolysis pond, nothing is formed using the potential difference between the acidity and iron-carbon particle of waste water Several trickle galvanic cells produce electrochemical reaction and make the de- steady aggregation of charged colloidal particles under electric microfield effect and settle, and improve waste water In B/C values, efficiently removal COD simultaneously reduce colourity and salinity；
（3）The water outlet of iron-carbon micro-electrolysis pond is promoted to Fenton catalysis oxidizing tower and adds H by pump2O2, make the Fe in waste water2+With H2O2The extremely strong OH free-radical oxidations organic matter of electronegativity is generated after generation chain reaction and hard-degraded substance is decomposed；Utilize simultaneously Fe(OH)3Flocculation organics removal and further reduce colourity and salinity, be greatly reduced subsequent technique organic matter bear Lotus；
（4）Precipitation at the beginning of Fenton catalysis oxidizing tower water outlet into flat flow carries out waterpower clarification, the Fenton oxygen remained in removal waste water Flocculate generation iron cement flco and suspended particulate substance in change；
（5）Preliminary sedimentation tank water outlet enters comprehensive adjustment pond regulating water quality water and pH, while by the low concentration pharmacy waste water of 200t/d Sanitary sewage with 50t/d accesses comprehensive adjustment pond, and is sufficiently mixed with waste water in pond, and dilution reduces COD concentration simultaneously Improve the biodegradability of waste water；
（6）The water outlet of comprehensive adjustment pond flows into hydrolysis acidification pool and expanded granular sludge bed successively（EGSB）Carry out anaerobic reaction utilization The hydrolysis reduction Biostatic of heterotroph simultaneously carries out producing acid and methane phase two benches anaerobic reaction, by larger molecular organicses It is decomposed into small molecular organic acid and then improves wastewater biodegradability.It is expanded granular sludge bed（EGSB）Reflux pump returns part water outlet Stream, is homogenized water quality, reduces impact load, reduces murder by poisoning inhibitory action of the pollutant to microorganism；
（7）It is expanded granular sludge bed（EGSB）Water outlet gravity flow sequentially enters A/O ponds, two-stage BCO ponds and BAF ponds, using aerobic/scarce Oxygen environment alternating action, denitrifier nitrify/and denitrification denitrogenation, polyP bacteria carry out releasing phosphorus and inhale phosphorus reaction, and carry out depth and take off Nitrogen dephosphorization and the further organic matter of removal waste water；Sludge part is back to the anoxic pond in A/O ponds and can improve work in two-stage BCO ponds Property sludge concentration, improve treatment effect；
(8）The water outlet of BAF ponds through second pond stand after supernatant overflow enter coagulating basin, after suspended particulate is removed by flotation tank again Thing, final outflow water reaches《Integrated wastewater discharge standard》(GB8978-1996) primary standard, and enter place garden sewage disposal Factory is processed；
(9) sludge of flat flow preliminary sedimentation tank, second pond, coagulating basin, BAF and final deposition pool is pooled to sludge concentration tank It is dehydrated through plate and frame filter press again after concentration, dry mud cake outward transport.
The advantage of the invention is that:
Light electrolysis-Fenton is combined as the pretreating process of high concentration medical wastewater, can significantly be removed in waste water COD and be played Desalination, decolouring, except stench etc. is acted on, the treatment load of subsequent bio technique, the normal operation of safeguards system can be greatly reduced.This Outward, compared to additional Fe2+Fenton reagent is formed, substantial amounts of Fe is contained in micro cell2+, medicament expense can be saved and played " with useless Control useless " effect.This technique can simultaneously process high-concentration waste water, low concentration wastewater and sanitary sewage so that three kinds of waste water are equal Mark discharge.The waste water mixed diluting effect of low concentration wastewater and sanitary sewage to high concentration is taken full advantage of, waste water is reduced Organic concentration simultaneously improves the biodegradability of waste water.Hydrolysis acidification-EGSB reactor tandems, hydrolysis acidification pool can greatly Molecular organic is hydrolyzed to small molecular organic acid, improves the biodegradability of waste water, reduces expanded granular sludge bed（EGSB）Carry out Anaerobic Treatment load.It is expanded granular sludge bed（EGSB）SS can be significantly removed, while can be homogenized by the way of effluent recycling Water quality, reduces impact load, reduces murder by poisoning inhibitory action of the pollutant to microorganism.A/O- two-stages BCO-BAF tri- goes here and there in pond successively Connection, can intensified denitrification and dephosphorization effect.Sludge part is back to the anoxic pond in A/O ponds and can improve activated sludge in two-stage BCO ponds Concentration, improves treatment effect.Significantly, percent of decolourization reaches more than 90% to the tandem process decolorizing effect.Coagulation-air supporting combination can be carried The clearance of the biomembrane that is come off to FEOL to technique of height and activated sludge particle simultaneously thoroughly trickle in removal waste water Thing and colloidal substance etc., improve effluent quality.This technique capacity of resisting impact load is strong, technology maturation, treatment effect stabilization, is adapted to Scale pharmacy wastewater treatment and Technique Popularizing.Waste water is by after the treatment of this group technology, final outflow water water quality reaches《Sewage is comprehensive Close discharge standard》(GB8978-1996) primary standard.
Brief description of the drawings
Fig. 1 is light electrolysis-Fenton-EGSB-A/O-BCO-BAF- coagulating treatment pharmacy waste water process schematic representations.
Specific embodiment
Treating capacity is 300m3The pharmacy waste water of/d（Containing high-concentration waste water be 50t/d, low concentration wastewater be 200t/d, life Sewage is 50t/d）, wherein high-concentration waste water water quality：CODCr 85000~90000mg/L, NH3- N 150~200mg/L, TP 3~6mg/L of 70~100mg/L, pH.Low concentration wastewater water quality：CODCr 7000~8000mg/L, NH3120~150mg/ of-N 3~8mg/L of L, TP 30~50mg/L, pH.Sanitary sewage water-quality COD Cr 200~400mg/L, NH320~30mg/L of-N, 7~8mg/L of TP 3~5mg/L, pH.High concentration medical wastewater sequentially passes through oil interceptor and regulating reservoir carry out oil slick removal and Iron-carbon micro-electrolysis pond is promoted to by elevator pump after the regulation of water quality and quantity.Iron carbon electrolytic cell utilizes the acid and iron-carbon of waste water Potential difference between grain forms numerous trickle galvanic cell and produces electrochemical reaction and take off charged colloidal particles under electric microfield effect Surely assemble and settle, improve the B/C values in waste water, efficiently removal COD simultaneously reduces colourity and salinity.The water outlet of iron-carbon micro-electrolysis pond CODCr 40000~50000mg/L, NH33~4mg/L of-N 150~180mg/L, TP 70~100mg/L, pH.The micro- electricity of iron carbon Solution pond water outlet is promoted to Fenton catalysis oxidizing tower and adds H by pump2O2, make the Fe in waste water2+With H2O2After producing chain reaction The extremely strong OH free-radical oxidations organic matter of generation electronegativity simultaneously decomposes hard-degraded substance.Simultaneously using Fe (OH)3Flocculation Organics removal simultaneously further reduces colourity and salinity, reduces the organic loading of subsequent technique.Fenton catalysis oxidizing tower water outlet CODCr 25000~30000mg/L, NH37~8mg/L of-N 150~180mg/L, TP 40~50mg/L, pH.Fenton is catalyzed Precipitation at the beginning of oxidizing tower water outlet into flat flow carries out waterpower clarification, generation iron cement of being flocculated in the Fenton oxidation remained in removal waste water Flco and suspended particulate substance.Then waste water outflow enters comprehensive adjustment pond and mixes with low concentration wastewater and sanitary sewage, comprehensive precipitation Pond water outlet CODCr 10000~12000mg/L, NH37~8mg/L of-N 150~180mg/L, TP 30~40mg/L, pH.It is comprehensive Conjunction regulating reservoir water outlet is flowed into hydrolysis acidification pool and EGSB reactors and carries out anaerobic reaction and dropped using the hydrolysis of heterotroph successively Low Biostatic simultaneously is carried out producing acid and methane phase two benches anaerobic reaction, and larger molecular organicses are decomposed into small molecular organic acid And then improve wastewater biodegradability.It is expanded granular sludge bed（EGSB）Pond water outlet CODCr 1500~2000mg/L, NH3- N 8~ 7~8mg/L of 100mg/L, TP 20~30mg/L, pH.It is expanded granular sludge bed（EGSB）Water outlet gravity flow sequentially enter A/O ponds, Two-stage BCO ponds and BAF ponds, using aerobic/anaerobic environment alternating action, denitrifier nitrify/and denitrification denitrogenation, polyP bacteria enter Row releases phosphorus and inhales phosphorus reaction, carries out advanced nitrogen dephosphorization and further removes the organic matter of waste water.Its water outlet gravity flow is sequentially entered A/O ponds Aerobic Pond water outlet CODCr 500~700mg/L, NH37~8mg/L of-N 20~30mg/L, TP 5~10mg/L, pH. Two-stage BCO pond water outlet CODCr 150~200mg/L, NH37~8mg/L of-N 15~20mg/L, TP 1~5mg/L, pH.BAF Pond water outlet CODCr 100~150mg/L, NH37~8mg/L of-N 15~20mg/L, TP 0.5~1.0mg/L, pH.BAF ponds go out Water through second pond stand after supernatant overflow enter coagulating basin, after suspended particulate substance, final outflow water water quality are removed by flotation tank again CODCr 80~100mg/L, NH37~8mg/L of-N 10~15mg/L, TP 0.1~0.5mg/L, pH.Reach《Integrated wastewater Discharge standard》(GB8978-1996) primary standard in, and garden sewage treatment plant is processed where entering.Wherein advection The sludge of formula preliminary sedimentation tank, second pond, coagulating basin, BAF and final deposition pool is pooled to after sludge concentration tank is concentrated again through plate Frame filter press is dehydrated, mud cake outward transport.

Claims (1)

1. a kind of light electrolysis-Fenton-EGSB-A/O-BCO-BAF-coagulating treatment pharmacy waste water technique, it is characterized in that：
(1）High concentration medical wastewater sequentially passes through oil interceptor and after regulating reservoir carries out the removal of oil slick and the regulation of water quality and quantity Iron-carbon micro-electrolysis pond is promoted to by elevator pump；
（2）Iron carbon filler is filled in iron-carbon micro-electrolysis pond, is formed using the potential difference between the acidity and iron-carbon particle of waste water Numerous trickle galvanic cell produces electrochemical reaction and makes the de- steady aggregation of charged colloidal particles under electric microfield effect and settle, and improves useless B/C values in water, efficiently remove COD and reduce colourity and salinity；
（3）The water outlet of iron-carbon micro-electrolysis pond is promoted to Fenton catalysis oxidizing tower and adds H by pump2O2, make the Fe in waste water2+With H2O2The extremely strong OH free-radical oxidations organic matter of electronegativity is generated after generation chain reaction and hard-degraded substance is decomposed；
Simultaneously using Fe (OH)3Flocculation organics removal and further reduce colourity and salinity, subsequent technique is greatly reduced Organic loading；
（4）Precipitation at the beginning of Fenton catalysis oxidizing tower water outlet into flat flow carries out waterpower clarification, the Fenton oxygen remained in removal waste water Flocculate generation iron cement flco and suspended particulate substance in change；
（5）Preliminary sedimentation tank water outlet enters comprehensive adjustment pond regulating water quality water and pH, while by the low concentration pharmacy waste water of 200t/d Sanitary sewage with 50t/d accesses comprehensive adjustment pond, and is sufficiently mixed with waste water in pond, and dilution reduces COD concentration simultaneously Improve the biodegradability of waste water；
（6）The water outlet of comprehensive adjustment pond flows into hydrolysis acidification pool and expanded granular sludge bed EGSB and carries out anaerobic reaction using different successively The hydrolysis reduction Biostatic of bacteria simultaneously carries out producing acid and methane phase two benches anaerobic reaction, by larger molecular organicses point Solve as small molecular organic acid and then improve wastewater biodegradability；Part effluent recycling is homogenized water quality by EGSB reactors reflux pump, Reduce impact load, reduce murder by poisoning inhibitory action of the pollutant to microorganism；
（7）Expanded granular sludge bed i.e. EGSB reactors water outlet gravity flow sequentially enters A/O ponds, two-stage BCO ponds and BAF ponds, utilizes Aerobic/anaerobic environment alternating action, denitrifier nitrify/and denitrification denitrogenation, polyP bacteria carry out releasing phosphorus and inhale phosphorus reaction, carry out Advanced nitrogen dephosphorization and the further organic matter of removal waste water：In two-stage BCO ponds sludge part be back to the anoxic pond in A/O ponds can Activated sludge concentration is improved, treatment effect is improved；
(8）The water outlet of BAF ponds through second pond stand after supernatant overflow enter coagulating basin, after suspended particulate is removed by flotation tank again Thing, and garden sewage treatment plant is processed where entering；
(9) sludge of flat flow preliminary sedimentation tank, second pond, coagulating basin, BAF and final deposition pool is pooled to sludge concentration tank It is dehydrated through plate and frame filter press again after concentration, mud cake outward transport.
CN201710120674.9A 2017-03-02 2017-03-02 Light electrolysis-Fenton-EGSB-A/O-BCO-BAF-coagulating treatment pharmacy waste water technique Pending CN106927628A (en)

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CN107879568A (en) * 2017-12-25 2018-04-06 云南今业生态建设集团有限公司 A kind of microelectrolysis processing technique of pharmacy waste water
CN109052821A (en) * 2018-08-15 2018-12-21 南京大学 A kind of the pharmacy wastewater treatment device and its operation method of efficient resource recycling low energy consumption
CN109205954A (en) * 2018-10-30 2019-01-15 江苏新天鸿集团有限公司 Light electrolysis catalysis oxidation, biochemical treatment high-concentration waste hydraulic art
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CN110818184A (en) * 2019-11-15 2020-02-21 聊城市鲁西化工工程设计有限责任公司 Biochemical treatment process for sewage of hydrogen peroxide production device
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CN111892147A (en) * 2020-08-25 2020-11-06 自然资源部天津海水淡化与综合利用研究所 High ammonia-nitrogen wastewater system is handled to membrane contactor with resource recovery function
CN112047584A (en) * 2020-09-27 2020-12-08 云南今业生态建设集团有限公司 Cassava starch production sewage treatment process
CN112047579A (en) * 2020-09-11 2020-12-08 安徽国正环境工程技术有限公司 Anthraquinone dye wastewater treatment process
CN113402117A (en) * 2021-06-18 2021-09-17 无锡普力环保科技有限公司 Pharmaceutical wastewater treatment process
CN113880358A (en) * 2021-10-19 2022-01-04 云南能投硅材科技发展有限公司 Method for effectively removing siloxane and COD (chemical oxygen demand) in organic silicon wastewater
CN114426377A (en) * 2021-12-31 2022-05-03 深圳德蓝生态环境有限公司 Integrated process method and system for treating traditional Chinese medicine pharmaceutical wastewater
CN114873870A (en) * 2022-06-15 2022-08-09 江苏奥尼斯环保科技有限公司 Pharmaceutical wastewater treatment process
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Application publication date: 20170707