CN103708675A - Landfill leachate treatment method based on high-frequency vibration membrane - Google Patents

Landfill leachate treatment method based on high-frequency vibration membrane Download PDF

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CN103708675A
CN103708675A CN201310690242.3A CN201310690242A CN103708675A CN 103708675 A CN103708675 A CN 103708675A CN 201310690242 A CN201310690242 A CN 201310690242A CN 103708675 A CN103708675 A CN 103708675A
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treatment
frequency
sewage
membrane
mbr
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CN103708675B (en
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邓一荣
肖荣波
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GUANGDONG PROVINCIAL ACADEMY OF ENVIRONMENTAL SCIENCE
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GUANGDONG PROVINCIAL ACADEMY OF ENVIRONMENTAL SCIENCE
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Abstract

The invention discloses a landfill leachate treatment method based on a high-frequency vibration membrane. The landfill leachate treatment method comprises the following steps: (1) regulating water flow, balancing water quality and precipitating a part of SS for landfill leachate through a regulating tank; (2) feeding sewage into a zigzag anaerobic reactor for treatment; (3) sequentially feeding the sewage into an anoxic tank for denitrification treatment, and an aerobic tank for nitrification treatment; and feeding the sewage into an MBR (Membrane Bio-reactor) for intercepting sludge, bacteria and organic matter; and (4) feeding the sewage into a high-frequency vibration membrane system for deep treatment; filtering the sewage by using a hollow filter membrane assembly, and controlling amplitude of vibration to be 0.1-4cm, and vibration frequency to be 10-60Hz by using a high-frequency vibration driving system. The landfill leachate treatment method disclosed by the invention is stable and reliable in operation and good in effluent quality, COD (Chemical Oxygen Demand) is less than or equal to 60mg/L, BOD (Biochemical Oxygen Demand) 5 is less than or equal to 20mg/L, chromaticity is less than or equal to 30 times, meanwhile the landfill leachate treatment method also solves the problems that the membrane is easy to jam, and high in replacement frequency.

Description

A kind of method for treating garbage percolation liquid based on high frequency diaphragm
Technical field
The present invention relates to a kind of method for treating garbage percolation liquid, be specifically related to a kind of method for treating garbage percolation liquid based on high frequency diaphragm, belong to technical field of sewage.
Background technology
Along with the propelling of China's urbanization and the high concentration of population, the increment of domestic waste also sharply increases.According to statistics, 2011,1.64 hundred million tons of 657 the planned city domestic refuse amounts of clearing of China, comparing 1979 has increased more than 5 times, and average growth rate per annum reaches more than 6.0%, and its composition is also increasingly sophisticated.And process domestic waste, when counting sanitary landfill, be most widely used, in refuse landfill stacking process, the water generating due to the contained humidity of rubbish own or microbiological deterioration, and the long period of soaking such as rainwater drip washing, rainwash, surface irrigation, underground water and cause producing a kind of high concentrated organic wastewater-percolate of poisonous and harmful complicated difficult degraded.Decomposition because of the heavy metal of rubbish own simultaneously discharges, and contains the heavy metal elements such as the total mercury exceeding standard in a large number, total arsenic, total plumbous, total chromium, sexavalent chrome, total cadmium in its percolate.In general, its pH value is at 3-9, and COD is at 1200-100000mg/L, BOD 5from 300-10000mg/L, total nitrogen reaches 1000-5000mg/L, and ammonia nitrogen can be up to 500-3000mg/L, and colourity is high, and water quality is even black of color of soy sauce, muddiness, and foul smell is large; Pb in heavy metal element 2+can arrive 0.1-2.0mg/L, Cu 2+0.1-1.4mg/L, total chromium 0.01-2.61mg/L, Hg 2+0-0.032mg/L.Biodegradability is poor, and BOD/COD changes between 0.1-0.7, and water quality and quantity is aperiodicity and changes, and rangeability is very large, very difficult processing.Along with the age growth of landfill yard, BOD/COD constantly declines, but ammonia-nitrogen content increase, intractability more strengthens.The processing of city garbage percolate is unusual stubborn problem in Landfill Site Design, operation and management always, if process not up to standardly, will become the main contributor of the secondary pollutions such as landfill yard downstream surface water, underground water, soil.
National environmental protection portion in 2008 puts into effect new household refuse landfill sites and pollutes control criterion (GB16889-2008): household refuse landfill sites should arrange waste disposal plant, after the sewage such as consumer waste infiltration liquid (containing equalizing tank waste water) pollutant emission standard treated and up to specification, can directly discharge, its leading indicator is: COD cr≤ 100mg/L, BOD 5≤ 30mg/L, SS≤30mg/L, ammonia nitrogen≤25mg/L, excrement colibacillus group number≤10000/L.
At present domestic is generally to adopt circulated backfilling method, merging to process and independently in field, process completely to the processing of percolate.Circulated backfilling is a kind of non-treatment process thoroughly, and processing power is limited, operating environment is poor, is unsuitable for the southern area that annual precipitation is large, percolate after recharging still needs to adopt the subsequent disposal such as aerobic biochemical and materialization to environmental emission, can be used as the primary treatment of percolate.Merging processing is introduced neighboring towns sewage work by percolate exactly and is processed, and this scheme is the simplest, can reduce processing cost, but landfill yard is necessary near municipal wastewater treatment plant, but this is uncommon.Be subject to the restriction of various objective factors, the processing of most of city garbage percolate need to be set up an independently interior complete treatment system, mainly contains physico-chemical process and biochemical process.Biochemical process comprises anaerobic biological treatment, the method that aerobe is processed and both combine, when biochemical process treating refuse percolate, be difficult to adapt to the variation of water quality and the water yield, especially when ammonia nitrogen concentration is high, biological process will be suppressed, helpless to the organism of difficult for biological degradation.And physico-chemical process anti impulsion load has good removal effect to the organism of the reluctant heavy metal ion of biological process and difficult degradation, but processing cost is higher, needs further optimization on treatment process.Therefore, physico-chemical process and biochemical process often combine utilization, and wherein physico-chemical process is used for pre-treatment and the advanced treatment of percolate, main process multiselect biological process.
Along with polluting control criterion > > (GB16889-2008), new < < household refuse landfill sites replaces GB16889-1997, existing and newly-built household refuse landfill sites water pollutant is carried out new emission limit standard, the requirement that this is higher to the processing of percolate.Current, the treatment process such as anaerobic-aerobic treatment process, anaerobism-oxidation ditch treatment process, Activated Sludge Process and SBR method are processed percolate and are difficult to the emission standard that reaches new.Therefore, need to study new technique or increase again by a segment process at original treatment process end, make percolate can reach new emission standard.
Hold back efficiently the reverse osmosis membrane of the characteristic of the inorganic and organic pollutant of solubilised state in sewage and the main method that nanofiltration membrane is expected to become treating refuse percolate.Find under study for action, reverse osmosis process is simple, takes up an area littlely, and treatment effect is good, but working pressure is large, and energy consumption is higher, and membrane lifetime is short, maintenance management difficulty (Zhang Yan, 2009).For overcoming above-mentioned shortcoming, reduce operation easier, the investigator of various countries in succession sight turned to that working pressure is lower, operational management nanofiltration easily.As linde (1995), Mohammad (2004), all can cut down more than 85% COD, specific conductivity, heavy metal in percolate by nanofiltration membrane.At present, many percolates all adopt the treatment process of equalizing tank, anaerobism, anoxic, aerobic, MBR membrane bioreactor and RO or nanofiltration.Anaerobic technique has ABR, UASB, hydrolysis acidification pool etc.But in existing technique for the membrane filtration (no matter being RO film or nanofiltration membrane) of advanced treatment although to process clearance high, having a fatal weakness is that film easily stops up, replacement frequency is high, causes cost of investment and running cost huge.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of method for treating garbage percolation liquid based on high frequency diaphragm, the technique that the method adopts ABR+MBR+ high frequency diaphragm to mutually combine, stable and reliable operation, effluent quality is good, COD≤60mg/L, BOD 5≤ 20mg/L, colourity≤30 times, indices not only meets household refuse landfill sites completely and pollutes control criterion (GB16889-2008) emission concentration limit value, but also can reach the special emission limit requirement of water pollutant that more strict household refuse landfill sites pollutes control criterion (GB16889-2008) regulation.The present invention simultaneously has also solved the problem that film easily stops up, film replacement frequency is high.
Realizing object of the present invention can be by taking following technical scheme to reach:
A method for treating garbage percolation liquid based on high frequency diaphragm, is characterized in that comprising the steps:
1) equalizing tank is processed: percolate is passed through to equalizing tank regulating pondage, balanced water quality, precipitation part SS;
2) ABR reactor for treatment: the sewage of discharging after equalizing tank is processed is sent in baffling type anaerobic reactor and processed, decompose the larger molecular organics in sewage, improve the biodegradability of sewage, and remove part SS, COD;
Wherein, described ABR (Anaerobic Baffled Reactor) reactor is baffling type anaerobic reactor, and it comprises two groups of reaction tanks arranged side by side, is respectively main reactor and auxiliary reactor; Be sunk type structures; Every group reaction pond forms to dirty compartment units in series to upper reaches and four by four; Wherein, on the current direction in main reaction pond, and in compartment unit, upper reaches, anaerobism filler is set at it, in main reaction pond, is also provided with the dividing plate of several different in width, make waste water upper and lower baffling of speed change repeatedly in pond; Control COD volume load rate Nv=1-3kgCOD/(m 3d), control MLSS concentration X=1000-6000mg/L, control mean flow rate Vu=0.2-1m/h;
Because described baffling type anaerobic reactor has adopted the complicated hydraulic flow state of mixed type at the Hydraulic Design, there is the interception capacity of high capacity utilization, good biosolids.And its capacity of resisting impact load is strong, and under the effect of hydrolysis anerobe and acid-producing bacteria, decompose larger molecular organics, improve the biodegradability of waste water, when removing part SS, COD, also for follow-up MBR processes the condition of having created.
3) MBR processes: by the sewage of discharging after ABR reactor for treatment, send into successively and in anoxic pond, carry out carrying out in denitrification processing, Aerobic Pond nitration treatment; Then send in MBR mud, bacterium and organism are held back;
Wherein, the sludge loading of anoxic pond is 0.05-0.2kgBOD/ (kgMLSSd), 0.01-0.2kg NH 4 +-N/ (kgMLSSd); HRT is 10-80h;
Described MBR(Membrane Bio-Reactor) be membrane bioreactor; In MBR, be provided with hollow fiber film assembly, its membrane flux is 0.1-0.5m 3/ (m 2d);
The present invention before MBR by anoxic pond carry out denitrification processing, Aerobic Pond carries out nitration treatment, strengthened denitrification effect, has improved sewage treatment capacity.
4) high frequency diaphragm system is processed: the sewage of discharging after MBR processes is sent into and in high frequency diaphragm system, carried out advanced treatment; Described high frequency diaphragm system is comprised of high-frequency vibration drive system and hollow filter membrane component; By hollow filter membrane component, sewage is filtered, the filtering membrane of hollow filter membrane component is nanofiltration membrane or reverse osmosis membrane; By high-frequency vibration drive system, control amplitude at 0.1-4cm, vibrational frequency is controlled at 10-60Hz;
Wherein, high-frequency vibration drive system is by the mass force that on drive shaft, eccentric block rotation produces, mass force is delivered to filtration disk by torsion spring, causing membranous disc vibrates and makes film surface form Stokes stream, on film surface, produce strong sinusoidal shear force ripple, greatly reduce the deposition of film surface particles material, can effectively prevent and treat the situation that film stops up.Can adopt Victory-idea (VSEP) the tympanum treatment unit of U.S. New Logic company development.
Sewage is processed through high frequency diaphragm system, and its advantage is: (1) anti-blockage capability is strong, by introduce high shear force at face place, makes gel coat be suspended in film surface, has improved filtration flux.The filtration flux of its overclocking tympanum is 3 times-10 times of conventional filtration.(2) capacity usage ratio is high, and floor space is little; (3) working cost is low, and membrane module is vulnerable to pollution not, and membrane lifetime is longer, is that capital investment or running maintenance all have obvious economic advantages.
Realizing object of the present invention can also be by taking following technical scheme to reach:
Realizing one embodiment of the present invention is: in step 1), the volume of described equalizing tank should be greater than minimum pondage, and minimum pondage is according to leachate generation monthly and accumulative total maximum surplus that monthly treatment capacity is calculated.Safety coefficient is more than 1.1.
Realizing one embodiment of the present invention is: in step 3), between Aerobic Pond and ABR reactor, establish reflux pump, reflux ratio 2-20.
Realizing one embodiment of the present invention is: in step 3), also comprise aerating system, its aeration head is distributed in the bottom of Aerobic Pond and MBR, supply gas pressure 0.1-2Mpa, the using and the reserved; In system, being also furnished with in addition two gas blowers is hollow fiber film assembly air feed, supply gas pressure 0.1-2Mpa, and the using and the reserved, the flow velocity of assurance membrane module surfactant fluid, effectively prevents that film from polluting.Gas blower is furnished with antivibrator and sourdine; Meanwhile, for eliminating and reducing the pollution of organism to film inside, set up online cleaning system, adopt level pressure, quantitatively, timing automatic carries out reverse wetting property matting to arbitrary group of membrane module in two groups; System is joined the equipment such as medicine storing pot, liquid blend tank, constant voltage grug feeding jar and scavenging pump, and each is a set of.
Realizing one embodiment of the present invention is: in step 4), because having ABR and MBR pre-treatment in the present invention, as the best amplitude scope of the high-frequency vibration drive system of advanced treatment step in this technique, be 1.5-2.5cm, optimum frequency is 45-50Hz.
Realizing one embodiment of the present invention is: in step 4), according to the character of percolate, the aperture of described nanofiltration membrane is 1-2nm, and the aperture of described reverse osmosis membrane is less than 1nm, when can guarantee effluent characteristics, has improved water treatment efficiency.The flux of its overclocking tympanum is 3-10 times of conventional membrane filtration, can remove the general pollutent of 85%-90%.
Realizing one embodiment of the present invention is: also comprise sludge treatment step: collect the surplus sludge volume of ABR, MBR system, overclocking tympanum system, after concentrated, processed, be transported to landfill yard landfill together with rubbish.
Beneficial effect of the present invention is:
1, ABR processing capacity of resisting impact load of the present invention is strong, and under the effect of hydrolysis anerobe and acid-producing bacteria, decomposes larger molecular organics, has improved the biodegradability of waste water, and has removed part SS, COD.
2, ABR-MBR process combination, has not only improved capacity of resisting impact load strong, also makes MBR activated sludge concentration in system can reach 10000~15000mg/L, and COD, ammonia nitrogen removal ability are strong.
3, compare existing membrane technology, the high-frequency vibration film processing system anti-blockage capability adopting is strong, overcome film vulnerable to pollution in conventional film treatment technology, short defect of life-span, improved capacity usage ratio and filtration flux simultaneously, the filtration flux of its overclocking tympanum is 3-10 times of conventional filtration.
4, compare conventional film treatment process, reduced working cost, membrane module is vulnerable to pollution not, and membrane lifetime is longer, has reduced the frequency of changing film, thereby has obvious economic advantages in running maintenance.
5, stable and reliable operation of the present invention, effluent quality is good, COD≤60mg/L, BOD 5≤ 20mg/L, colourity≤30 times.All other water-quality guideline meet household refuse landfill sites completely and pollute control criterion (GB16889-2008) emission concentration limit value, as the emission standard 1 in table 2, can also reach more strict household refuse landfill sites and pollute control criterion (GB16889-2008), as the special emission limit requirement of water pollutant of emission standard 2 regulations in table 2.
Accompanying drawing explanation
Fig. 1 is process flow sheet of the present invention.
The separated schematic diagram of Fig. 2 overclocking tympanum of the present invention, wherein, 1 is water molecules, and 2 is divalence and multivalence zwitterion, and 3 is different size molecule, and 4 is sinusoidal shear force ripple.
Embodiment
Below, in conjunction with embodiment, the present invention is described further:
Embodiment 1:
As shown in Figure 1, the method for treating garbage percolation liquid based on high frequency diaphragm described in the present embodiment, mainly comprises: equalizing tank → ABR reactor assembly → MBR reactor → high frequency diaphragm system → qualified discharge.
The about 500t/d of certain urban refuse sanitary landfill garbage treatment quantity of south.Analyze according to investigations, this landfill waste major ingredient is organism 45.63%, inorganics 25.17%, waste product (stationery, plastics, fabric, glass, metal etc.) 29.20%.The percolate 300m of its generation 3/ d, its water quality is in Table 1:
Table 1 percolate water quality
Project Influent quality
pH 7.8
Colourity/doubly 800
SS/(mg·L- 1) 650
BOD 5/(mg·L- 1) 1218
COD/(mg·L- 1) 5650
TP/(mg·L- 1) 20
TN(mg·L- 1) 1632
NH 4+-N/(mg·L- 1) 823
Excrement colibacillus group number/(individual L- 1) 1×10 5
Step 1) equalizing tank is processed:
First percolate is by having the equalizing tank of overfall dike, and cubic capacity is 2.5 * 10 4m 3, abundant regulating pondage, balanced water quality, precipitation part SS.Water quality is in Table 1.
Step 2) ABR reactor assembly is processed: the sewage of discharging after equalizing tank is processed is sent in baffling type anaerobic reactor and processed, decompose the larger molecular organics in sewage, improve the biodegradability of sewage, and remove part SS, COD;
Wherein, described ABR (Anaerobic Baffled Reactor) reactor is baffling type anaerobic reactor, and it comprises two groups of reaction tanks arranged side by side, is respectively main reactor and auxiliary reactor; Be sunk type structures; Every group reaction pond forms to dirty compartment units in series to upper reaches and four by four; Wherein, on the current direction in main reaction pond, and in compartment unit, upper reaches, anaerobism filler is set at it, in main reaction pond, is also provided with the dividing plate of several different in width, make waste water upper and lower baffling of speed change repeatedly in pond;
Design discharge Q=300m 3/ d=12.5m 3/ h, COD volume load rate Nv=2.4kgCOD/ (m 3d), control MLSS concentration X=3500mg/L, control mean flow rate Vu=0.5m/h.
Step 3) MBR processes: by the sewage of discharging after ABR reactor for treatment, send into successively in anoxic pond (being anoxic A section) and carry out carrying out nitration treatment in denitrification processing, Aerobic Pond (being aerobic O section); Then sending into MBR(is MBR section) in mud, bacterium and organism are held back;
Wherein, in the present embodiment, MBR system is divided into three sections: A section (anoxic denitrification unit), and size (L * B * H) is 18.0m * 11.0m * 4.3m; O section (aerobic nitrification unit), size (L * B * H) 14.7m * 10.5m * 4.3m; M section (built-in MBR), size (L * B * H) 3.3m * 10.5m * 4.3m.Wherein, A section useful volume is 800m 3; O section useful volume is 500m 3, sludge loading is 0.1kg BOD/ (kgMLSSd), 0.05kgNH 4+-N/ (kgMLSSd), sludge concentration can reach 10000mg/L, and HRT is 40h.Between A section and MBR section, establish reflux pump, reflux ratio is 10, and quantity of reflux is 125m 3/ h, lift 6.8m, power 4kw, the using and the reserved.Abundant nitrated sewage backflow to denitrification pond is fully mixed, and denitrifying bacteria utilizes the carbon source in waste water that the nitric nitrogen denitrification in nitrification liquid is become to nitrogen under anoxia condition.Denitrifying reliable for guaranteeing, each is a set of standby for ad hoc carbon source and basicity dosing system.Hollow fiber film assembly is established in M section membrane sepn pond, membrane flux 0.2~0.25m 3/ (m 2d), single group membrane area 105m 2, totally 14 groups, join film on-line cleaning system, automatic control system each is a set of simultaneously.Membrane sepn pond is held back mud, the bacterium in oxidation ditch water outlet and is not degraded or not degradable organism, and sludge loading≤0.05kgBOD/ (kgMLSSd), guarantees that sludge concentration and the stable effluent quality in reaction tank is up to standard.
A section is established aerating system, and at the bottom of aeration head is distributed in biochemistry pool and membrane module pond, air demand is 1617m 3/ h, supply gas pressure 0.5Mpa, power is 15kw, the using and the reserved.It is membrane module air feed that two gas blowers are separately joined in membrane sepn pond, air quantity 840m 3/ h, supply gas pressure 0.5Mpa, power 11kw, the using and the reserved, the flow velocity of assurance membrane module surfactant fluid, effectively prevents that film from polluting.Meanwhile, for eliminating the pollution of organism to film inside, set up online cleaning system, adopt timing, level pressure, quantitative automatic arbitrary group of membrane module in two groups carried out to reverse wetting property matting.System is joined the medicine storing pot that V is 120L, the liquid blend tank that V is 2000L, and V is that the equipment such as 2000L constant voltage grug feeding jar and scavenging pump are a set of.In conjunction with aeration cleaning, NaClO alkali cleaning, HCl pickling, can make membrane flux return to more than 90%.
Step 4) high frequency diaphragm system is processed: the sewage of discharging after MBR processes is sent into and in high frequency diaphragm system, carried out advanced treatment; Described high frequency diaphragm system is comprised of high-frequency vibration drive system and hollow filter membrane component; By hollow filter membrane component, sewage is filtered, the filtering membrane of hollow filter membrane component is nanofiltration membrane or reverse osmosis membrane; By high-frequency vibration drive system, control amplitude at 2cm, vibrational frequency is controlled at 50Hz; According to the character of percolate, the aperture of described nanofiltration membrane is 1-2nm, and the aperture of described reverse osmosis membrane is less than 1nm, when can guarantee effluent characteristics, has improved water treatment efficiency.The flux of its overclocking tympanum is 3-10 times of conventional membrane filtration, can remove the general pollutent of 85%-90%.
Wherein, with reference to Fig. 2, high-frequency vibration drive system is by the mass force that on drive shaft, eccentric block rotation produces, mass force is delivered to filtration disk by torsion spring, causing membranous disc vibrates and makes film surface form Stokes stream, on film surface, produce strong sinusoidal shear force ripple, greatly reduced the deposition of film surface particles material, can effectively prevent and treat the situation that film stops up.
Described high frequency diaphragm system can adopt Victory-idea (VSEP) the tympanum treatment unit of U.S. New Logic company development.
Each unit and final outflow water water quality are in Table 2:
Each unit effluent quality of table 2 percolate
Through above continuous operation in 3 months, do not carry out the displacement of film, embodiment operation result shows, stable and reliable operation of the present invention, effluent quality is good.Water outlet sense organ is good, and water quality is limpid, and colourity is less than 20 times.All other water-quality guideline meet household refuse landfill sites completely and pollute control criterion (GB16889-2008) emission concentration limit value, as the emission standard 1 in table 2, can also reach more strict household refuse landfill sites and pollute control criterion (GB16889-2008), as the special emission limit requirement of water pollutant of emission standard 2 regulations in table 2.Effluent color dilution sense organ is good, and after nanofiltration membrane treatment, water outlet outward appearance is not seen obvious color, and colourity can, below 20 times, meet requirement up to standard completely.
Embodiment 2:
The feature of the present embodiment is: also comprise sludge treatment step: collect the surplus sludge volume of ABR, MBR system, overclocking tympanum system, after concentrated, processed, be transported to landfill yard landfill together with rubbish.The surplus sludge volume of anaerobic part is about 1.3m 3/ d, the surplus sludge volume of MBR system is about 10.9m 3/ d, the about 45.0m of overclocking tympanum system concentrated solution 3/ d, altogether about 57.2m 3/ d.Other are identical with embodiment 1.
Comparative example 1:
The present embodiment is compared with embodiment 1, is only that step 4) does not adopt high-frequency vibration film processing system, but has adopted ozone contact tank arrangement, with the water outlet of advanced treatment MBR system, further reduces colourity.
The present embodiment is adapted at the refuse landfill initial stage, the biodegradability of percolate is stronger, adopt the present embodiment technique, be ABR-MBR-high-frequency vibration membrane combining process to dispose garbage percolate, technique mainly comprises: the tank arrangement → discharge of equalizing tank → ABR reactor assembly → MBR reactor → ozone contact.
But along with the landfill time lapse of refuse landfill, percolate gradually more complicated, ammonia nitrogen concentration is higher, more difficult degradation, the present embodiment technique no longer meets the demands, effluent quality is difficult to up to standard.As shown in table 3.
Each unit effluent quality of table 3 percolate
For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and distortion all should belong to the protection domain of the claims in the present invention within.

Claims (10)

1. the method for treating garbage percolation liquid based on high frequency diaphragm, is characterized in that comprising the steps:
1) equalizing tank is processed: percolate is passed through to equalizing tank regulating pondage, balanced water quality, precipitation part SS;
2) ABR reactor for treatment: the sewage of discharging after equalizing tank is processed is sent in baffling type anaerobic reactor and processed, decompose the larger molecular organics in sewage, improve the biodegradability of sewage, and remove part SS, COD; Wherein, described ABR reactor comprises two groups of reaction tanks arranged side by side, is respectively main reactor and auxiliary reactor; Be sunk type structures; Every group reaction pond forms to dirty compartment units in series to upper reaches and four by four; Wherein, on the current direction in main reaction pond, and in compartment unit, upper reaches, anaerobism filler is set at it, in main reaction pond, is also provided with the dividing plate of several different in width, make waste water upper and lower baffling of speed change repeatedly in pond; Control COD volume load rate Nv=1-3 kgCOD/ (m 3d), control MLSS concentration X=1000-6000 mg/L, control mean flow rate Vu=0.2-1 m/h;
3) MBR processes: by the sewage of discharging after ABR reactor for treatment, send into successively and in anoxic pond, carry out carrying out in denitrification processing, Aerobic Pond nitration treatment; Then send in MBR mud, bacterium and organism are held back; Wherein, the sludge loading of anoxic pond is 0.05-0.2 kgBOD/ (kgMLSSd), 0.01-0.2 kg NH 4 +-N/ (kgMLSSd); HRT is 10-80 h; In described MBR, be provided with hollow fiber film assembly, its membrane flux is 0.1-0.5 m 3/ (m 2d);
4) high frequency diaphragm system is processed: the sewage of discharging after MBR processes is sent into and in high frequency diaphragm system, carried out advanced treatment; Described high frequency diaphragm system is comprised of high-frequency vibration drive system and hollow filter membrane component; By hollow filter membrane component, sewage is filtered, the filtering membrane of hollow filter membrane component is nanofiltration membrane or reverse osmosis membrane; By high-frequency vibration drive system, control amplitude at 0.1-4 cm, vibrational frequency is controlled at 10-60 Hz.
2. the method for treating garbage percolation liquid based on high frequency diaphragm according to claim 1, it is characterized in that: in step 1), the volume of described equalizing tank should be greater than minimum pondage, and minimum pondage is according to leachate generation monthly and accumulative total maximum surplus that monthly treatment capacity is calculated; Safety coefficient is more than 1.1.
3. the method for treating garbage percolation liquid based on high frequency diaphragm according to claim 1, is characterized in that: in step 3), between Aerobic Pond and ABR reactor, establish reflux pump, reflux ratio 2-20.
4. the method for treating garbage percolation liquid based on high frequency diaphragm according to claim 1, is characterized in that: in step 3), also comprise aerating system, its aeration head is distributed in the bottom of Aerobic Pond and MBR supply gas pressure 0.1-2 Mpa, the using and the reserved.
5. the method for treating garbage percolation liquid based on high frequency diaphragm according to claim 1, is characterized in that: in step 3), being also provided with two gas blowers is hollow fiber film assembly air feed, supply gas pressure 0.1-2 Mpa, the using and the reserved; Gas blower is furnished with antivibrator and sourdine.
6. the method for treating garbage percolation liquid based on high frequency diaphragm according to claim 1, it is characterized in that: in step 3), also be provided with on-line cleaning system, adopt level pressure, quantitatively, timing automatic carries out reverse wetting property matting to hollow fiber film assembly.
7. the method for treating garbage percolation liquid based on high frequency diaphragm according to claim 1, is characterized in that: in step 4), the best amplitude scope of described high-frequency vibration drive system is 1.5-2.5 cm, and optimum frequency is 45-50 Hz.
8. the method for treating garbage percolation liquid based on high frequency diaphragm according to claim 1, is characterized in that: in step 4), the aperture of described nanofiltration membrane is 1-2 nm.
9. the method for treating garbage percolation liquid based on high frequency diaphragm according to claim 1, is characterized in that: in step 4), the aperture of described reverse osmosis membrane is less than 1 nm.
10. the method for treating garbage percolation liquid based on high frequency diaphragm according to claim 1, it is characterized in that, also comprise sludge treatment step: collect the surplus sludge volume of ABR, MBR system, overclocking tympanum system, after concentrated, processed, be transported to landfill yard landfill together with rubbish.
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CN104086048A (en) * 2014-07-24 2014-10-08 江苏贝斯特水处理科技有限公司 Treatment method for nitrogen-containing wastewater in iron and steel industry
CN105254131A (en) * 2015-11-07 2016-01-20 宜兴华谊着色科技有限公司 Indiscriminately using method for ferric oxide technical water
CN105541024A (en) * 2015-12-30 2016-05-04 北京欧亚泉环境投资管理有限公司 Landfill leachatetreatment system
CN106242151A (en) * 2016-09-27 2016-12-21 江苏亚欧环境工程有限公司 Percolation liquid treating system and technique
CN108483799A (en) * 2018-03-22 2018-09-04 中山市天乙能源有限公司 A kind of garbage incinerating power plant percolate treating process
CN108585378A (en) * 2018-05-24 2018-09-28 河北南风环保科技有限公司 A kind of High-concentration organic wastewater treatment method
CN108911369A (en) * 2018-06-26 2018-11-30 浙江环耀环境建设有限公司 Reservoir sewage disposal system and its treatment process
CN111269041A (en) * 2020-01-23 2020-06-12 四川禾海环境技术有限公司 Integrated treatment method for livestock and poultry manure
CN111760883A (en) * 2020-07-06 2020-10-13 江苏欧尔润生物科技有限公司 Kitchen waste treatment device and treatment process thereof

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CN101456627A (en) * 2008-12-29 2009-06-17 大连交通大学 Sewage water and sludge co-processing emission-reducing process and system
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Cited By (12)

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Publication number Priority date Publication date Assignee Title
CN104086048A (en) * 2014-07-24 2014-10-08 江苏贝斯特水处理科技有限公司 Treatment method for nitrogen-containing wastewater in iron and steel industry
CN104086048B (en) * 2014-07-24 2016-07-06 江苏贝斯特水处理科技有限公司 A kind of steel industry nitrogenous effluent treatment method
CN105254131A (en) * 2015-11-07 2016-01-20 宜兴华谊着色科技有限公司 Indiscriminately using method for ferric oxide technical water
CN105541024A (en) * 2015-12-30 2016-05-04 北京欧亚泉环境投资管理有限公司 Landfill leachatetreatment system
CN105541024B (en) * 2015-12-30 2018-11-27 北京欧亚泉环境投资管理有限公司 A kind of garbage percolation liquid treating system
CN106242151A (en) * 2016-09-27 2016-12-21 江苏亚欧环境工程有限公司 Percolation liquid treating system and technique
CN108483799A (en) * 2018-03-22 2018-09-04 中山市天乙能源有限公司 A kind of garbage incinerating power plant percolate treating process
CN108483799B (en) * 2018-03-22 2021-02-26 中山市天乙能源有限公司 Leachate treatment process for waste incineration power plant
CN108585378A (en) * 2018-05-24 2018-09-28 河北南风环保科技有限公司 A kind of High-concentration organic wastewater treatment method
CN108911369A (en) * 2018-06-26 2018-11-30 浙江环耀环境建设有限公司 Reservoir sewage disposal system and its treatment process
CN111269041A (en) * 2020-01-23 2020-06-12 四川禾海环境技术有限公司 Integrated treatment method for livestock and poultry manure
CN111760883A (en) * 2020-07-06 2020-10-13 江苏欧尔润生物科技有限公司 Kitchen waste treatment device and treatment process thereof

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