CN108059307A - The waste water treatment system and its operation method of synchronous carbon and nitrogen removal - Google Patents

The waste water treatment system and its operation method of synchronous carbon and nitrogen removal Download PDF

Info

Publication number
CN108059307A
CN108059307A CN201711453388.0A CN201711453388A CN108059307A CN 108059307 A CN108059307 A CN 108059307A CN 201711453388 A CN201711453388 A CN 201711453388A CN 108059307 A CN108059307 A CN 108059307A
Authority
CN
China
Prior art keywords
reactor
anaerobic
waste water
integral part
denitrification
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711453388.0A
Other languages
Chinese (zh)
Inventor
魏源送
王红艳
郁达伟
王元月
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Research Center for Eco Environmental Sciences of CAS
Original Assignee
Research Center for Eco Environmental Sciences of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Research Center for Eco Environmental Sciences of CAS filed Critical Research Center for Eco Environmental Sciences of CAS
Priority to CN201711453388.0A priority Critical patent/CN108059307A/en
Publication of CN108059307A publication Critical patent/CN108059307A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C02F3/28Anaerobic digestion processes
    • C02F3/286Anaerobic digestion processes including two or more steps
    • 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
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • 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
    • C02F3/28Anaerobic digestion processes
    • C02F3/2853Anaerobic digestion processes using anaerobic membrane bioreactors
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/302Nitrification and denitrification treatment
    • C02F3/307Nitrification and denitrification treatment characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/005Processes using a programmable logic controller [PLC]
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/42Liquid level

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

A kind of waste water treatment system and its operation method of synchronization carbon and nitrogen removal, the waste water treatment system include:Anaerobic membrane bioreactor, denitrification reactor, integral part nitrosation anaerobic ammonia oxidation reactor and automatic control unit.The waste water treatment system and its operation method of the synchronous carbon and nitrogen removal of the present invention can be used for processing high-enriched organics, high-concentration ammonia nitrogenous wastewater, can synchronously remove removal organic polluter and ammonia nitrogen, and recycle biomass energy, reduce aeration energy consumption, shorten technological process.

Description

The waste water treatment system and its operation method of synchronous carbon and nitrogen removal
Technical field
The invention belongs to technical field of waste water processing, and in particular to it is a kind of synchronization carbon and nitrogen removal waste water treatment system and its Operation method.
Background technology
China's industrial wastewater has the characteristic feature that discharge capacity is big, pollutant concentration is high, treatment effeciency is low.In recent years, it is right It is too numerous to enumerate in the independent treatment research of high concentrated organic wastewater, high ammonia-nitrogen wastewater.But for the synchronization of high concentrated organic wastewater Efficient carbon and nitrogen removal research is then rarely reported.In fact, high concentrated organic wastewater anaerobic digestion solution have high ammonia nitrogen, low-carbon and nitrogen Than feature, the advantage of suitable anaerobic ammonia oxidation process denitrogenation processing is made it have.This is just anaerobic membrane bioreactor and anaerobism The combination of ammonia oxidation process provides advantage.
Anaerobic membrane bioreactor technology can effectively overcome the existing production first a heatable brick bed bacterium of conventional anaerobic digestion technology it is slow-growing, Concentration is low, microorganism is easy to run off, sludge retention time (SRT) and hydraulic detention time (HRT) cannot separate, anti-shock loading energy The deficiencies of power is weak, it is independent HRT and SRT are operated, retain methanogen while effectively catching other microorganisms, improve it is dirty It contaminates object removal effect while UF membrane can further improve effluent quality.But in practical applications, there are reactors for the technology It is easy to be acidified (such as starch wastewater treatment) or basicity increase (such as pig-farm wastewater processing) and occur COD removal effects in the process of running The problems such as fruit is unstable and aerogenesis is ineffective and fouling membrane influences water yield.And traditional bio-denitrification technology nitrification-anti- Nitration processes, high energy consumption, technological process are long, and need to add outer carbon source (methanol etc.) in denitrification process and add operation into This, causes it not have significant advantage compared with other Process of Biological Nitrogen Removal such as Anammox technology.
The content of the invention
In view of the deficiencies of the prior art, it is an object of the invention to provide a kind of waste water treatment systems of synchronous carbon and nitrogen removal And its operation method, to solve at least one of above-mentioned technical problem.
The present invention is achieved through the following technical solutions:
As one aspect of the present invention, a kind of waste water treatment system of synchronous carbon and nitrogen removal is provided, including:
Anaerobic membrane bioreactor receives pending waste water, carries out Anaerobic Digestion to waste water, removes in waste water Oxygen consumption organic;
Denitrification reactor, the water outlet of the reception anaerobic membrane bioreactor and following integral part nitrosation- The recirculation water of anaerobic ammonia oxidation reactor carries out denitrification denitrogenation processing, removes to denitrogenation of waste water and further oxygen consumption organic, It is carried out at the same time runoff investigation;
Integral part nitrosation-anaerobic ammoxidation reactor receives the water outlet of the denitrification reactor, carries out sub- Nitration-anaerobic ammoxidation processing, removes the ammonia nitrogen in waste water;And
Automatic control unit carries out wastewater treatment process monitoring in real time and control,
Wherein, automatic control unit controls the anaerobic membrane biosystem anti-by monitoring the liquid level of the denitrification reactor Answer the water yield of device, the inflow of the integral part nitrosation-anaerobic ammoxidation reactor and from the integral type portion Nitrosation-anaerobic ammoxidation reactor is divided to be back to the water of the denitrification reactor.
Further, the waste water treatment system of the synchronous carbon and nitrogen removal further includes tubular membrane component, passes through circulating pump It is connected with the anaerobic membrane bioreactor, UF membrane is carried out to the water outlet of the anaerobic membrane bioreactor;Preferably, institute Tubular membrane component is stated as inner pressed hyperfiltration membrane assembly or micro-filtration membrane module.
Further, the water outlet of the tubular membrane component includes:Produce the mouth of a river, the water after UF membrane through the production mouth of a river into Enter the denitrification reactor;And circulation port, it is connected by pipeline with the anaerobic membrane bioreactor.
Further, the waste water treatment system of the synchronous carbon and nitrogen removal further includes gas metering system, described in metering The aerogenesis of anaerobic membrane bioreactor, and signal is accessed into automatic control unit;The gas metering system includes gas buffer Bottle and electronic gas flowmeter.
Further, the adjustable agitating paddle of speed, liquid level sensor, pH electrodes are equipped in the anaerobic membrane bioreactor With ORP electrodes, automatic control unit is connected to by transmitter;
Further, the adjustable agitating paddle of speed and liquid level sensor are equipped in the denitrification reactor, passes through pick-up Device is connected to automatic control unit;
Further, be equipped in the integral part nitrosation-anaerobic ammoxidation reactor the adjustable agitating paddle of speed, Liquid level flowmeter sensor, DO electrodes, pH electrodes, ORP electrodes and ammonia nitrogen electrode, automatic control unit is connected to by transmitter;
The anaerobic membrane bioreactor and the integral part nitrosation-anaerobic ammoxidation reactor are all equipped with acid solution It adjusts tank and lye adjusts tank, to realize regulation and control of the automatic control unit to inside reactor acid-base property.
Further, the anaerobic membrane bioreactor and the integral part nitrosation-anaerobic ammoxidation reactor Outside is equipped with insulation jacket, and passes through pipeline and be connected with same water bath equipment.
Further, aeration plate or air stone are equipped in the integral part nitrosation-anaerobic ammoxidation reactor, it is empty Gas passes sequentially through aeration pump and gas flow meter into the aeration plate or air stone.
Further, the inlet bucket is driven through pipeline by external peristaltic pump and intake.
Further, the setting height(from bottom) of the denitrification reactor is higher than the integral part nitrosation-anaerobic ammonia oxygen Change the setting height(from bottom) of reactor.
As another aspect of the present invention, a kind of wastewater treatment method of synchronous carbon and nitrogen removal is provided, using foregoing The waste water treatment system of synchronous carbon and nitrogen removal, comprises the following steps:
Waste water is delivered to the anaerobic membrane bioreactor for being inoculated with anaerobically digested sludge, and the oxygen consumption removed in waste water is organic Object, while generate the undegraded organic matter in part and ammoniacal nitrogen;
The water outlet of the anaerobic membrane bioreactor enters denitrification reactor through UF membrane, for its provide denitrogenation matrix it One organic matter;
The water outlet of the denitrification reactor enters the integral part nitrosation-anaerobic ammoxidation reactor, passes through Integral part nitrosation-anaerobic ammoxidation reaction removal ammonia nitrogen;
A part for the water outlet of the integral part nitrosation-anaerobic ammoxidation reactor is back to denitrification reactor The nitrate nitrogen of one of denitrogenation matrix is provided for it.
Further, when the denitrification reactor there are two when, in wastewater treatment process, the automatic control unit prison The liquid level of two parallel denitrification reactors is surveyed, realizes the anaerobic membrane bioreactor and interval to continuously running The linking of the integral part nitrosation-anaerobic ammoxidation reactor of operation meets the water demand of each reactor:
Control reaches the denitrification reactor of liquid level requirement and integral part nitrosation-anaerobic ammoxidation reactor It is quiet simultaneously heavy, wait draining;At the same time, control is not up to the denitrification reactor reception anaerobic membrane of liquid level requirement The water outlet of bioreactor and the recirculation water of the integral part nitrosation-anaerobic ammoxidation reactor;
If two denitrification reactors are not up to liquid level requirement, control the water outlet of anaerobic membrane bioreactor into Enter the relatively high denitrification reactor of liquid level, stop water inlet after reaching liquid level requirement, with integral part nitrosation-detest Synchronously quiet heavy, the wait draining of anaerobic ammonium oxidation reactor.
It can be seen from the above technical proposal that the waste water treatment system and its operation method of the synchronous carbon and nitrogen removal of the present invention It has the advantages that:
(1) joint is a variety of in line electrode, and real-time monitor in reaction system respectively has related parameter, grasps reactor in time and runs State, and pass through PLC system and control its overall operation, high degree of automation, operation and maintenance simplicity;
(2) with relatively low energy expenditure to realize highly concentrated organic pollution using shorter technological process synchronous with ammonia nitrogen Removal;
(3) dexterously realized to the anaerobic membrane bioreactor that continuously runs by two parallel denitrification reactors and The linking conversion of the anaerobic ammonia oxidation reactor of intermittent duty;
(4) denitrification reactor is also further removing in addition to the reactor for playing an important role of to be connected continuous-intermittent duty The pollutant entirety removal effect of reactor is improved while organic pollution and denitrogenation, effectively alleviates follow-up anaerobism ammonia oxygen The organic inhibition changed.
Description of the drawings
Fig. 1 is the waste water treatment system schematic diagram of synchronous carbon and nitrogen removal in the embodiment of the present invention;
【Reference sign】
1- inlet water tanks;2- anaerobic membrane bioreactors;
3- gas buffer bottles;4- electronic gas flowmeters;
5- tubular membrane components;6- denitrification reactors;
8- automatic control units;9- remote control computers;
7- integral part nitrosation-anaerobic ammoxidation reactors.
Specific embodiment
Understand to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference Attached drawing, the present invention is described in further detail.
The invention discloses a kind of waste water treatment system and its operation method of synchronous carbon and nitrogen removal, the wastewater treatment systems System includes:Anaerobic membrane bioreactor, denitrification reactor, integral part nitrosation-anaerobic ammoxidation reactor and from Dynamic control unit.The waste water treatment system and its operation method of the synchronous carbon and nitrogen removal of the present invention can be used for processing high concentration organic Object, high-concentration ammonia nitrogenous wastewater can synchronously remove removal organic polluter and ammonia nitrogen, and recycle biomass energy, reduce aeration energy consumption, Shorten technological process.
Specifically, as one aspect of the present invention, a kind of waste water treatment system of synchronous carbon and nitrogen removal is provided, Fig. 1 is The waste water treatment system schematic diagram of synchronous carbon and nitrogen removal.
As shown in Figure 1, the device includes:Inlet water tank 1, anaerobic digestion reaction vessel 2, gas buffer bottle 3, electronic gas flow Meter 4, tubular membrane component 5, denitrification reactor 6, integral part nitrosation-anaerobic ammoxidation reactor 7, automatic control unit 8 remote control computers;Auxiliary device has acid solution to adjust tank, lye adjusting tank, water-bath heat-preserving equipment, aerator.
Each component of the waste water treatment system of the present embodiment synchronization carbon and nitrogen removal is described in detail below.
Inlet bucket 1 is driven through pipeline by external peristaltic pump and intake.
Anaerobic membrane bioreactor 2 receives the waste water of inlet bucket, carries out Anaerobic Digestion to waste water, removes waste water In oxygen consumption organic.
Denitrification reactor 6 receives the water outlet of anaerobic membrane bioreactor, denitrification denitrogenation processing is carried out, to waste water Denitrogenation simultaneously further removes oxygen consumption organic, is carried out at the same time runoff investigation;The setting height(from bottom) of denitrification reactor 6 is higher than integral type The setting height(from bottom) of partial nitrification-anaerobic ammonia oxidation reactor 7.
Integral part nitrosation-anaerobic ammoxidation reactor 7 receives the water outlet of denitrification reactor, carries out nitrous Change-Anammox processing, removes the ammonia nitrogen in waste water;It is equipped with and exposes in integral part nitrosation-anaerobic ammoxidation reactor 7 Gas disk or air stone, air pass sequentially through aeration pump and gas flow meter and enter aeration plate or air stone.Anaerobic membrane biological reaction There is insulation jacket outside device 2 and integral part nitrosation-anaerobic ammoxidation reactor 7, and pass through pipeline and set with same water-bath It is standby to be connected.
Automatic control unit 8 carries out wastewater treatment process monitoring in real time and control by the device being installed in reactor System, anaerobic membrane bioreactor 2 is interior to be equipped with the adjustable agitating paddle of speed, and liquid level sensor, pH electrodes and ORP electrodes pass through change Device is sent to be connected to automatic control unit;The adjustable agitating paddle of speed and liquid level sensor are equipped in denitrification reactor 6, passes through change Device is sent to be connected to automatic control unit;The adjustable stirring of speed is equipped in integral part nitrosation-anaerobic ammoxidation reactor 7 Paddle, liquid level flowmeter sensor, DO electrodes, pH electrodes, ORP electrodes and ammonia nitrogen electrode, automatic control unit is connected to by transmitter; Anaerobic membrane bioreactor 2 and integral part nitrosation-anaerobic ammoxidation reactor 7 are all equipped with acid solution and adjust tank and lye tune Tank is saved, to realize regulation and control of the automatic control unit to inside reactor acid-base property.
Wherein, 8 preferred PLC automatic control units of automatic control unit, by the liquid for monitoring two denitrification reactors 6 Position, control the water yield of anaerobic membrane bioreactor 2, integral part nitrosation-anaerobic ammoxidation reactor 7 inflow with And the water of denitrification reactor 6 is back to from integral part nitrosation-anaerobic ammoxidation reactor 7.
Tubular membrane component 5 is connected by circulating pump with anaerobic membrane bioreactor 2, to anaerobic membrane bioreactor 2 Water outlet carries out UF membrane;Tubular membrane component 5 is inner pressed hyperfiltration membrane assembly or micro-filtration membrane module.The water outlet bag of tubular membrane component It includes:Is produced from the mouth of a river, the water after UF membrane enters denitrification reactor through producing the mouth of a river;And circulation port, it is given birth to by pipeline and anaerobic membrane Object reactor connects.
Gas metering system, measures the aerogenesis of anaerobic membrane bioreactor, and signal is accessed automatic control unit;Gas Body metering system includes gas buffer bottle 3 and electronic gas flowmeter 4.
As another aspect of the present invention, a kind of wastewater treatment method of synchronous carbon and nitrogen removal is provided.
Before reactor coordinated operation, need respectively tame each reactor, start.The inoculation mud of anaerobic digestion reaction vessel Excess sludge or other anaerobically digested sludges may be selected;The inoculation mud of denitrification reactor may be derived from lacking for municipal sewage plant Oxygen pond sludge;The reactor sludge of same process may be selected in the inoculation mud of integral part nitrosation-anaerobic ammoxidation reactor, Or by nitrifying sludge and anaerobic ammonium oxidation sludge combined inoculation.After each several part reactor all succeeds startup, link Operation regulation and control experiment.It is specific as follows:
Inlet bucket is connected through peristaltic pump with anaerobic digestion reaction vessel;Liquid level gauge, pH electrodes are equipped in anaerobic digestion reaction vessel With ORP electrodes, liquid level gauge and pH electrodes and ORP electrodes are by real-time level, pH and ORP data transmissions to PLC system, and the latter is through patrolling The start and stop for judging feedback control acid adding plus alkali pump are collected, the pH in reactor is made to maintain most suitable scope (6.8~7.2).Film water outlet By diaphragm pump Continuous Drive, the big I of water yield is adjusted by the circulating valve amplitude of unscrewing, front and rear point of tubular membrane Not She You pressure gauge and flowmeter, online can by its transmembrane pressure TMP (pressure evaluation), offline can be by checking water yield Fouling membrane situation is monitored and judged respectively, to take suitable Membrane cleaning maintenance strategy.
Film produces water through motor-driven valve control into one in two parallel denitrification reactors, and criterion is liquid level ratio Compared with No. 1 denitrification reactor is preferentially obtained into water when liquid level is identical, and otherwise the high person of liquid level obtains it.When a certain denitrification reactor Water inlet liquid level reach setting high level when, stop water inlet, continue to stir, at this time film production water through robot control system(RCS) control enter another liquid Position is not up to the denitrification reactor of setting high level.Liquid level is set to reach the denitrification reactor and integral part for having arrived setting high level Nitrosation-anaerobic ammoxidation reactor is synchronously quiet heavy, after the latter's draining (refluxing portion enters another denitrification reactor) afterwards etc. It treats that certain time carries out draining again, is stirred after draining;Treat that the liquid level of another denitrification reactor reaches setting high level When the reactor start to receive film production water, there may come a time when also to have the recirculation water of anaerobic ammonia oxidation reactor.Ibid, constantly follow Ring.
After denitrification reactor water outlet enters SBR (integral part nitrosation-anaerobic ammoxidation reactor), PLC system The start and stop namely the start and stop of denitrification reactor water outlet that it is intake by Liquid level pass through intermittent aerating or continuous exposure in the process The depressed termination closed ammonia nitrogen node and (such as 30mg/L) is set to control reaction carries out continuing stirring, quiet heavy and draining afterwards.SBR PH parameter informations in reactor feedback control acid adding or can add the start and stop of alkali pump, and reaction system is made to maintain optimal pH scope (6.8~7.8);ORP or DO electrodes reading can help to run the Redox Condition that controllers judge reaction system, can play Early warning, adjusting control effect.
The carrying out practically step of sbr reactor device is as follows:
Continuous aeration system
(1) on after an end cycle, agitating paddle is in opening.After a new cycle starts, PLC control anti-nitration reactions Device outlet valve is opened, and liquid level gradually rises in SBR, and after liquid level gauge detects target high liquid level, PLC system control denitrification is anti- Device outlet valve is answered to close, i.e. the water inlet of sbr reactor device stops.
(2) after water inlet stops, aerating system starts, and controls DO concentration in SBR by flowmeter, ensures NO in SBR2 -- N is dense Spend it is moderate, i.e., not higher than threshold value (such as 20.00mgL-1).With short distance nitration and while two processes of Anammox into Row, monitor the ammonia nitrogen of the ammonia nitrogen concentration variation in SBR in real time persistently reduces in line electrode reading.
(3) retention concentration value (such as the 30.00mgL of ammonia nitrogen is controlled-1), when ammonia nitrogen drops to the value in line electrode reading When, PLC control aerating systems stop, and DO concentration can be rapidly decreased to 0.00mgL in system-1, SBR enters agitation phases.
(4) after agitation phases duration, PLC control agitating paddles are stopped, and SBR enters precipitate phase, and sludge sinks It forms sediment in SBR bottoms, realizes mud-water separation.
(5) after precipitating duration, draining electrically operated valve is opened in PLC controls, and SBR enters bleeding stage.The fast prompt drop of liquid level It is low, when reaching the reflux liquid level of setting, water outlet motor-driven valve is closed, reflux motor-driven valve is opened, when liquid level is down to target low liquid level Afterwards, PLC controls reflux electrically operated valve is closed.Meanwhile agitating paddle starts, SBR enters the idle stage.Its idle duration depends on anti- The liquid level of nitrator, the denitrification reactor for reaching liquid level high level at first take the lead in carrying out quiet heavy, draining supply sbr reactor device The i.e. new cycle starts.
Intermittent Aeration System
(1) on after an end cycle, agitating paddle is in opening.After a new cycle starts, PLC control anti-nitration reactions Device outlet valve is opened, and liquid level gradually rises in SBR, and after liquid level gauge detects target high liquid level, PLC system control intake pump stops Only.
(2) after intake pump stops, aerating system starts, and SBR dissolved oxygen concentrations are controlled by flowmeter.In aeration phase, Short distance nitration reaction occurs for ammonia nitrogen, pH is caused constantly to reduce, when pH decreases by the Δ pH of setting1Afterwards, PLC controls aerating system Stop, DO concentration is rapidly decreased to 0.00mmgL-1.Reaction system individually carries out Anammox reaction afterwards, because consuming H+And PH value is caused to be gone up, when pH amplification reaches the Δ pH of setting2, PLC control aerating systems reopen, are aerated and fill again for SBR Oxygen is cycled in this way with carrying out short distance nitration reaction.Period, with replacing for short distance nitration and two reaction process of Anammox It carries out, ammonia nitrogen is constantly consumed in SBR, and ammonia nitrogen is persistently reduced in line electrode reading.
(3) retention concentration value (such as the 30.00mgL of ammonia nitrogen is controlled-1), when ammonia nitrogen is down to the value in line electrode reading When, PLC control aerating systems stop, and SBR enters agitation phases.
(4) after agitation phases duration, PLC control agitating paddles are stopped, and SBR enters precipitate phase, and sludge sinks It forms sediment in SBR bottoms, realizes mud-water separation.
(5) after precipitating duration, draining electrically operated valve is opened in PLC controls, and SBR enters bleeding stage.The fast prompt drop of liquid level It is low, when reaching the reflux liquid level of setting, water outlet motor-driven valve is closed, reflux motor-driven valve is opened, when liquid level is down to target low liquid level Afterwards, PLC controls reflux electrically operated valve is closed.Meanwhile agitating paddle starts, SBR enters the idle stage.Its idle duration depends on anti- The liquid level of nitrator, the denitrification reactor for reaching liquid level high level at first take the lead in carrying out quiet heavy, draining supply sbr reactor device The i.e. new cycle starts.
Below in conjunction with specific embodiments and the drawings, waste water treatment system to synchronous carbon and nitrogen removal provided by the invention and its Operation method is described in further detail.
Embodiment:Synchronous carbon and nitrogen removal bioreactor for treatment slaughtering wastewater
Slaughtering wastewater is simulated with the bioreactor for treatment of the present invention, is carried out using PLC control system combined method for regulating Operation regulation and control.Water inlet used is artificial wastewater, and bulky grain object is removed without filtering, and formula is as shown in table 1,
1 artificial wastewater of table is formulated
2.0g/L NaHCO are added on the basis of first portion3.Influent COD be 8000 (± 2000) mg/L, ammonia nitrogen 200 (±10)mg/L.Anaerobic digestion reaction vessel used is to be thoroughly mixed formula reaction system;Membrane module is external tubular membrane.Other are anti- Device and auxiliary device are answered with foregoing.Anaerobic reactor dischargeable capacity is 15L, and sludge concentration is in 8~15g/L, during reaction temperature is Warm (35 ± 1 DEG C), HRT is determined by day output and dischargeable capacity.After anaerobic digestion and membrane filtration, organic matter obtains for water inlet With degradation, removal rate is more than 90%;Ammonia nitrogen concentration increases, up to 600+20mg/L.After film water outlet enters denitrification reactor, COD and nitrate nitrogen can be removed 10%~30% respectively, and for the waste water after sbr reactor device, ammonia nitrogen can be removed more than 90%.
To sum up, the waste water treatment system of synchronous carbon and nitrogen removal of the invention and its operation method can be used for processing high concentration to have Machine object, high-concentration ammonia nitrogenous wastewater can synchronously remove removal organic polluter and ammonia nitrogen, and recycle biomass energy, reduce aeration energy Consumption shortens technological process.
Particular embodiments described above has carried out the purpose of the present invention, technical solution and advantageous effect further in detail Describe in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to limit the invention, it is all Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the protection of the present invention Within the scope of.

Claims (10)

1. a kind of waste water treatment system of synchronization carbon and nitrogen removal, which is characterized in that including:
Anaerobic membrane bioreactor receives pending waste water, carries out Anaerobic Digestion to waste water, removes the consumption in waste water Oxygen organic;
Denitrification reactor receives the water outlet of the anaerobic membrane bioreactor and following integral part nitrosation-anaerobics The recirculation water of ammonia oxidation reactor carries out denitrification denitrogenation processing, removes to denitrogenation of waste water and further oxygen consumption organic, simultaneously Carry out runoff investigation;
Integral part nitrosation-anaerobic ammoxidation reactor receives the water outlet of the denitrification reactor, carries out nitrous Change-Anammox processing, removes the ammonia nitrogen in waste water;And
Automatic control unit carries out wastewater treatment process monitoring in real time and control,
Wherein, automatic control unit controls the anaerobic membrane bioreactor by monitoring the liquid level of the denitrification reactor Water yield, the inflow of the integral part nitrosation-anaerobic ammoxidation reactor and sub- from the integral part Nitration-anaerobic ammoxidation reactor is back to the water of the denitrification reactor.
2. the waste water treatment system of synchronization carbon and nitrogen removal according to claim 1, which is characterized in that the synchronization takes off except carbon The waste water treatment system of nitrogen further includes tubular membrane component, is connected by circulating pump with the anaerobic membrane bioreactor, to institute The water outlet for stating anaerobic membrane bioreactor carries out UF membrane;Preferably, the tubular membrane component is inner pressed hyperfiltration membrane assembly Or micro-filtration membrane module.
3. the waste water treatment system of synchronization carbon and nitrogen removal according to claim 2, which is characterized in that the tubular membrane component Water outlet include:
Is produced from the mouth of a river, the water after UF membrane enters the denitrification reactor through the production mouth of a river;And
Circulation port is connected by pipeline with the anaerobic membrane bioreactor.
4. the waste water treatment system of synchronization carbon and nitrogen removal according to claim 1, which is characterized in that the synchronization takes off except carbon The waste water treatment system of nitrogen further includes gas metering system, measures the aerogenesis of the anaerobic membrane bioreactor, and by signal Access automatic control unit;The gas metering system includes gas buffer bottle and electronic gas flowmeter.
5. the waste water treatment system of synchronization carbon and nitrogen removal according to claim 1, which is characterized in that the anaerobic membrane biosystem The adjustable agitating paddle of speed, liquid level sensor, pH electrodes and ORP electrodes are equipped in reactor, is connected to automatically by transmitter Control unit;
The adjustable agitating paddle of speed and liquid level sensor are equipped in the denitrification reactor, automatic control is connected to by transmitter Unit processed;
Be equipped in the integral part nitrosation-anaerobic ammoxidation reactor the adjustable agitating paddle of speed, liquid level flowmeter sensor, DO electrodes, pH electrodes, ORP electrodes and ammonia nitrogen electrode, automatic control unit is connected to by transmitter;
The anaerobic membrane bioreactor and the integral part nitrosation-anaerobic ammoxidation reactor are all equipped with acid solution adjusting Tank and lye adjust tank, to realize regulation and control of the automatic control unit to inside reactor acid-base property.
6. the waste water treatment system of synchronization carbon and nitrogen removal according to claim 1, which is characterized in that the anaerobic membrane biosystem Insulation jacket is equipped with outside reactor and the integral part nitrosation-anaerobic ammoxidation reactor, and pass through pipeline with it is same One water bath equipment is connected.
7. the waste water treatment system of synchronization carbon and nitrogen removal according to claim 1, which is characterized in that the integral part Be equipped with aeration plate or air stone in nitrosation-anaerobic ammoxidation reactor, air pass sequentially through aeration pump and gas flow meter into Enter the aeration plate or air stone.
8. the waste water treatment system of synchronization carbon and nitrogen removal according to claim 1, which is characterized in that the inlet bucket is by outer The peristaltic pump in portion drives through pipeline and intakes;
The setting height(from bottom) of the denitrification reactor is higher than the installation of the integral part nitrosation-anaerobic ammoxidation reactor Highly.
9. a kind of wastewater treatment method of synchronization carbon and nitrogen removal, utilizes the waste water of the synchronous carbon and nitrogen removal described in claim 1~8 Processing system, which is characterized in that comprise the following steps:
Waste water is delivered to the anaerobic membrane bioreactor for being inoculated with anaerobically digested sludge, removes the oxygen consumption organic in waste water, together When generate the undegraded organic matter in part and ammoniacal nitrogen;
The water outlet of the anaerobic membrane bioreactor enters denitrification reactor through UF membrane, and one of denitrogenation matrix is provided for it Organic matter;
The water outlet of the denitrification reactor flows into the integral part nitrosation-anaerobic ammoxidation reaction by gravity Device reacts removal ammonia nitrogen by integral part nitrosation-anaerobic ammoxidation;
A part for the integral part nitrosation-anaerobic ammoxidation reactor water outlet is back to denitrification reactor and is carried for it For denitrogenation matrix.
10. the wastewater treatment method of synchronization carbon and nitrogen removal according to claim 9, which is characterized in that when the denitrification When there are two reactors, in wastewater treatment process, the automatic control unit monitors two parallel denitrification reactors Liquid level, realize the integral part nitrosation of the anaerobic membrane bioreactor to continuously running and intermittent duty- The linking of anaerobic ammonia oxidation reactor meets the water demand of each reactor:
Control the denitrification reactor for reaching liquid level requirement and integral part nitrosation-anaerobic ammoxidation reactor simultaneously It is quiet heavy, wait draining;At the same time, control is not up to the denitrification reactor reception anaerobic membrane biosystem of liquid level requirement The water outlet of reactor and the recirculation water of the integral part nitrosation-anaerobic ammoxidation reactor;
If two denitrification reactors are not up to liquid level requirement, the water outlet of anaerobic membrane bioreactor is controlled to enter liquid The relatively high denitrification reactor in position stops water inlet, with integral part nitrosation-anaerobic ammonia after reaching liquid level requirement Oxidation reactor synchronously quiet heavy, wait draining.
CN201711453388.0A 2017-12-27 2017-12-27 The waste water treatment system and its operation method of synchronous carbon and nitrogen removal Pending CN108059307A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711453388.0A CN108059307A (en) 2017-12-27 2017-12-27 The waste water treatment system and its operation method of synchronous carbon and nitrogen removal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711453388.0A CN108059307A (en) 2017-12-27 2017-12-27 The waste water treatment system and its operation method of synchronous carbon and nitrogen removal

Publications (1)

Publication Number Publication Date
CN108059307A true CN108059307A (en) 2018-05-22

Family

ID=62140471

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711453388.0A Pending CN108059307A (en) 2017-12-27 2017-12-27 The waste water treatment system and its operation method of synchronous carbon and nitrogen removal

Country Status (1)

Country Link
CN (1) CN108059307A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109187158A (en) * 2018-09-30 2019-01-11 清华大学 A kind of water quality on-line monitoring instrument device plate membrane pretreatment system
CN109502754A (en) * 2018-12-11 2019-03-22 苏州科技大学 Optimization progress control method and device for two-stage type autotrophic denitrification technique
CN110746035A (en) * 2019-09-27 2020-02-04 中车环境科技有限公司 Sewage denitrification reactor and control method thereof
CN110902966A (en) * 2019-12-10 2020-03-24 中国科学院生态环境研究中心 Anaerobic membrane biological-shortcut nitrification and denitrification wastewater treatment method and system
CN111115964A (en) * 2020-01-08 2020-05-08 中国科学院生态环境研究中心 Wastewater anaerobic biological treatment system for seasonal strain preservation and recovery and application thereof
CN111484137A (en) * 2020-05-18 2020-08-04 北京工业大学 High-concentration wastewater treatment system and process adopting AnMBR membrane

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050211629A1 (en) * 2004-03-25 2005-09-29 Hitachi Plant Engineering & Construction Co., Ltd. Method and apparatus of removing nitrogen
CN103214092A (en) * 2013-05-09 2013-07-24 中国科学院生态环境研究中心 Biological denitrification device
CN103663862A (en) * 2013-11-25 2014-03-26 北京工业大学 Device and method for nitrogen and phosphorus removal for low CN ratio urban sewage through nitrosation and anaerobic ammonia oxidation coupling denitrifying phosphorus removal intensification
CN104944684A (en) * 2015-05-26 2015-09-30 中国环境科学研究院 Semi nitrosation-anaerobic ammonium oxidation combined type reactor as well as reaction process and system thereof
CN107055813A (en) * 2017-04-28 2017-08-18 中国科学院生态环境研究中心 A kind of anaerobism sewage-treatment plant and technique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050211629A1 (en) * 2004-03-25 2005-09-29 Hitachi Plant Engineering & Construction Co., Ltd. Method and apparatus of removing nitrogen
CN103214092A (en) * 2013-05-09 2013-07-24 中国科学院生态环境研究中心 Biological denitrification device
CN103663862A (en) * 2013-11-25 2014-03-26 北京工业大学 Device and method for nitrogen and phosphorus removal for low CN ratio urban sewage through nitrosation and anaerobic ammonia oxidation coupling denitrifying phosphorus removal intensification
CN104944684A (en) * 2015-05-26 2015-09-30 中国环境科学研究院 Semi nitrosation-anaerobic ammonium oxidation combined type reactor as well as reaction process and system thereof
CN107055813A (en) * 2017-04-28 2017-08-18 中国科学院生态环境研究中心 A kind of anaerobism sewage-treatment plant and technique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
沈耀良等: "《废水生物处理新技术-理论与应用》", 31 March 2006 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109187158A (en) * 2018-09-30 2019-01-11 清华大学 A kind of water quality on-line monitoring instrument device plate membrane pretreatment system
CN109187158B (en) * 2018-09-30 2023-10-20 清华大学 Dull and stereotyped membrane pretreatment systems of quality of water on-line monitoring instrument
CN109502754A (en) * 2018-12-11 2019-03-22 苏州科技大学 Optimization progress control method and device for two-stage type autotrophic denitrification technique
CN109502754B (en) * 2018-12-11 2023-11-21 苏州科技大学 Optimized operation control method and device for two-stage autotrophic denitrification process
CN110746035A (en) * 2019-09-27 2020-02-04 中车环境科技有限公司 Sewage denitrification reactor and control method thereof
CN110746035B (en) * 2019-09-27 2022-07-05 中车环境科技有限公司 Sewage denitrification reactor and control method thereof
CN110902966A (en) * 2019-12-10 2020-03-24 中国科学院生态环境研究中心 Anaerobic membrane biological-shortcut nitrification and denitrification wastewater treatment method and system
CN111115964A (en) * 2020-01-08 2020-05-08 中国科学院生态环境研究中心 Wastewater anaerobic biological treatment system for seasonal strain preservation and recovery and application thereof
CN111115964B (en) * 2020-01-08 2024-06-18 中国科学院生态环境研究中心 Wastewater anaerobic biological treatment system for seasonal strain preservation and recovery and application thereof
CN111484137A (en) * 2020-05-18 2020-08-04 北京工业大学 High-concentration wastewater treatment system and process adopting AnMBR membrane
CN111484137B (en) * 2020-05-18 2022-03-25 北京工业大学 High-concentration wastewater treatment system and process adopting AnMBR membrane

Similar Documents

Publication Publication Date Title
CN108059307A (en) The waste water treatment system and its operation method of synchronous carbon and nitrogen removal
CN101759290B (en) Method for rapidly realizing and stably maintaining shortcut nitrification in continuous flow process
CN105923774B (en) A kind of three-stage short distance nitration-anaerobic ammoxidation-short-cut denitrification technique realizes the apparatus and method of sludge-digestion liquid advanced nitrogen
CN106904795B (en) Cow breeding wastewater treatment process
CN110002594B (en) Device and method for realizing shortcut nitrification-anaerobic ammonia oxidation based on hydroxylamine side inhibition
CN106430562B (en) A kind of processing method of poultry discharged wastewater met the national standard
CN101734827B (en) Method for treating yeast wastewater
CN109592785A (en) Anaerobism membrane reactor-partial nitrification-Anammox combination unit and method
CN100364902C (en) Control apparatus and method for pulse water-feeding SBR deep denitrogenation process and course
CN105776775A (en) Anaerobic-autotrophic nitrogen removal-ozone oxidation coupling landfill leachate whole flow process zero emission processing process
WO2022143256A1 (en) Chemical sewage treatment and reuse system
CN104129853B (en) A kind of starting method of quick short distance nitration
CN109761455A (en) A kind of processing method of synthesis and the class pharmaceuticals industry sewage that ferments
CN102701512B (en) Treatment method of anaerobic fermentation biogas slurry from livestock and poultry raising
CN104891655A (en) Device and method for treating high ammonia nitrogen wastewater
CN101113053A (en) Device and method for quickly realizing short range biological denitrification by salinity suppressing combined with fuzzy control
CN107973398A (en) A kind of pusher reaction unit and its cultural method for cultivating aerobic particle mud
CN103771655B (en) A kind for the treatment of process of cellulose alcoholic fermentation waste liquid
CN208649036U (en) The wastewater treatment equipment of synchronous carbon and nitrogen removal
CN104649518B (en) Device and method for treating ammonium nitrate wastewater by biological method
CN106698644B (en) Automatic control mechanical aeration stirring intermittent reaction tank for garbage leachate
CN201229714Y (en) Segmental influent and biological denitrification process control experimental apparatus by circulating type active sludge process
CN104773926A (en) High-nitrogen-content organic wastewater deep denitrification device and deep denitrification method
CN217398562U (en) High-concentration nitrogen-containing wastewater treatment system
CN110902967A (en) Wastewater treatment method and wastewater treatment system based on sequencing batch membrane biological reaction

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180522