CN101591127A - A kind of treatment process of percolate and device - Google Patents
A kind of treatment process of percolate and device Download PDFInfo
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- CN101591127A CN101591127A CNA2009100847445A CN200910084744A CN101591127A CN 101591127 A CN101591127 A CN 101591127A CN A2009100847445 A CNA2009100847445 A CN A2009100847445A CN 200910084744 A CN200910084744 A CN 200910084744A CN 101591127 A CN101591127 A CN 101591127A
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Abstract
The present invention relates to a kind of treatment process and device of percolate, technology may further comprise the steps: percolate is carried out water quality, the water yield is regulated and carries out anaerobism, anoxic, aerobic, aerobic, MBR film processing, discharge the mud that produces in the treating processes simultaneously; The biogas that anaerobic reaction is produced carry out deodorizing and reclaim or the burning deodorizing after biogas; The MBR film is handled the biochemical sludge that the back produces, and part is returned in the anoxic treatment container; When carrying out the processing of aerobic treatment and MBR film, send in the container of air difference aerobic treatment and in the device of MBR film processing; Sewage after the MBR film is handled enters an intermediate water tank, it is characterized in that: the water outlet of middle water tank is carried out reverse osmosis membrane processing or the water outlet of intermediate water tank is carried out reverse osmosis membrane processing successively after security personnel's strainer, nanofiltration membrane treatment, and discharging is directly measured in the water outlet after the processing; The dense water that reverse osmosis membrane, nanofiltration membrane treatment produce returns water quality, water yield regulating step.
Description
Technical field
The present invention relates to a kind of treatment process and device of high concentration organic sewage, particularly about a kind of treatment process and device of percolate.
Background technology
Percolate is a kind of organic sewage of high density, is characterized in: Pollutant levels height, complicated component, the water quality of the percolate under the various different conditions, the water yield all have very big difference.Therefore, percolate is the sewage of the big severe contamination of the interior intractability of generally acknowledging of present world wide.Percolate is seriously polluted to environment, is a kind of water pollution source of being badly in need of solving.
About the treatment technology of percolate, applied to the treatment process in the engineering at present abroad, mainly comprise following several.
1, typical DT-ro treatment technology, its flow process as shown in Figure 1.In this technology, do not adopt the step of biochemical method, and all steps all are the filter methods of physics.
2, typical detachable membrane biological reaction process (MBR), its flow process as shown in Figure 2.In this technology, anoxic, aerobic biochemical treatment step and split type MBR, nanofiltration membrane (NF) treatment step have been adopted.
Above-mentioned external garbage leachate treatment process, it is high all to exist investment, working cost height, shortcomings such as operation control complexity.Its topmost problem is: wanting that the state of the art of external refuse landfill is more domestic is advanced, general landfill again after refuse classification all, and sorting process is not generally all done in domestic refuse landfill, with the direct landfill of crude waste, and the water quality of its percolate and bigger difference is abroad arranged.So external garbage leachate treatment process method is directly used at home, generally all has problems, have in addition can't use.
At present, China has all built up each big and medium-sized cities the garbage sanitary filling field of different scales, but the treatment technology of percolate but relatively lags behind, and the percolate Study on Processing Methods is at the early-stage at home, and its technology mainly comprises following two kinds:
First kind of technology as shown in Figure 3, has adopted the biochemical step of composite anaerobic, physico-chemical process denitrogenation, A/O oxidation ditch and nanofiltration membrane (NF) treatment step.
Second kind of technology as shown in Figure 4, has adopted materialization air supporting as pre-treatment, adopts the biochemical step of anoxic and MBR afterwards, the technical process of using nanofiltration membrane (NF) to handle at last.Practice shows that this technology only is suitable for the lower percolate of concentration, and it does not possess versatility.
At the early-stage because of domestic percolate Study on Processing Methods, above-mentioned processing method is all also very unripe, also exists variety of issue, need do further in-depth research.
As shown in Figure 5, be that the name that the applicant once applied for is called: a kind of garbage leachate treatment process, application number is: the patent of invention of 200810056984.X.This application research is a kind of based on the biochemical process step, the treatment process of the percolate of binding film advanced treatment, this processing technological flow can adapt to China's " integrated wastewater discharge standard " (GB8978-1996) in the requirement of relevant consumer waste infiltration (drop) liquid emission limit.But, along with " consumer waste filling and embedding pollution control criterion " (GB16889-2008) in the execution on July 1st, 2008, and the promulgation on July 8th, 2008 " about the bulletin of Beijing's household refuse landfill sites water pollutant discharging applied code related problems ", consumer waste infiltration (drop) liquid emission limit and household refuse landfill sites water pollutant emission concentration limit value are had higher requirement again.And the treatment process of the various percolates of above-mentioned prior art all can not adapt to the requirement that new garbage loading embeading pollutes control criterion.
Summary of the invention
At the problems referred to above, the purpose of this invention is to provide a kind of treatment process and device that can adapt to the percolate of new garbage loading embeading pollution control criterion requirement.
For achieving the above object, the present invention takes following technical scheme: a kind of treatment process of percolate may further comprise the steps:
1) in an equalizing tank, percolate is carried out water quality, water yield adjusting;
2) under 25 ℃～45 ℃ conditions, percolate is carried out anaerobic treatment;
3) biogas that the anaerobic reaction process is produced carries out deodorizing, discharges the mud that produces in the anaerobic treatment process simultaneously; Then with the methane recovery after the deodorizing or burn;
4) sewage after the anaerobic treatment is carried out anaerobic treatment, discharge the mud that produces in the anaerobic treatment process simultaneously;
5) sewage after the anaerobic treatment is carried out aerobic treatment, discharge the mud that produces in the aerobic treatment process simultaneously;
6) sewage after the aerobic treatment is carried out the biological treatment of submerged film, the biochemical sludge that submerged film biological treatment back produces partly circulates and returns step 4), carries out described anaerobic treatment of step 4) and step 5) and aerobic treatment;
7) sewage transport after the described submerged film biological treatment is gone into an intermediate water tank;
8) sewage to described intermediate water tank output carries out reverse osmosis membrane processing behind security personnel's strainer, and discharging is directly measured in the water outlet after the processing;
9) the dense water that reverse osmosis membrane processing is produced returns step 1), enters the full cycle treating processes then;
10) in carrying out described step 5) aerobic treatment, step 6) submerged film biological treatment process, by a gas blower air is sent in the container of aerobic treatment respectively and in the submerged membrane bioreactor.
In the described step 8),, carry out nanofiltration membrane treatment earlier, after the sewage after the nanofiltration membrane treatment enters an inter-stage water tank and is forced into 1.4～3.0MPa, carry out reverse osmosis membrane processing again from the sewage that comes out of security personnel's strainer; Dense water to described nanofiltration membrane treatment produces returns described step 1), enters the full cycle treating processes.
To the sewage of described intermediate water tank output, if up to standardly directly measure discharging.
The sewage that described nanofiltration membrane treatment is produced is if up to standardly directly measure discharging.
A kind of treatment unit of realizing described technology, it comprises an equalizing tank, an anaerobic process tank, an anaerobic treatment jar, an aerobic treatment jar, a submerged membrane bioreactor, an intermediate water tank, a security personnel's strainer and a reverse osmosis membrane unit that is communicated with in proper order by pump and transfer line, described anaerobic process tank is connected with a biogas odor removal by transfer lime, the biogas odor removal is communicated with a biogas combustion unit or a methane recovery device by transfer lime, and a gas blower is communicated with described aerobic treatment jar and submerged membrane bioreactor respectively by transfer lime.Described anaerobic process tank, anaerobic treatment jar, aerobic treatment jar pass through the mud discharging pipe coupling respectively to a sludge sump, described submerged membrane bioreactor directly is communicated with described anaerobic treatment jar by transfer lime, the water side of described intermediate water tank directly is communicated with the water side of described reverse osmosis membrane unit by transfer lime, and described reverse osmosis membrane unit directly is communicated with described equalizing tank by the concentrated water discharge pipe.
A kind of treatment unit of described technology of realizing can also be: an equalizing tank that is communicated with in proper order by pump and transfer line, one anaerobic process tank, one anaerobic treatment jar, one aerobic treatment jar, one submerged membrane bioreactor, one intermediate water tank, one security personnel's strainer, one nanofiltration membrane unit, an one inter-stage water tank and a reverse osmosis membrane unit, described anaerobic process tank is connected with a biogas odor removal by transfer lime, the biogas odor removal is communicated with a biogas combustion unit or a methane recovery device by transfer lime, and a gas blower is communicated with described aerobic treatment jar and submerged membrane bioreactor respectively by transfer lime.Described anaerobic process tank, anaerobic treatment jar, aerobic treatment jar pass through the mud discharging pipe coupling respectively to a sludge sump, described submerged membrane bioreactor directly is communicated with described anaerobic treatment jar by transfer lime, the water side of described nanofiltration membrane unit directly is communicated with the water side of described reverse osmosis membrane unit by transfer lime, and described nanofiltration membrane unit and described reverse osmosis membrane unit directly are communicated with described equalizing tank by the concentrated water discharge pipe respectively.
Described reverse osmosis membrane unit comprises the plurality of sections reverse osmosis membrane unit, the described reverse osmosis membrane unit of each section includes feed-water end, concentrated water discharge end and clear water discharge end, wherein first section described reverse osmosis membrane unit feed-water end is connected to water inlet pipe, the concentrated water discharge end of the described reverse osmosis membrane unit of final stage, all couples together described concentrated water discharge end of the preceding paragraph and the described feed-water end of next section by pipe connecting between middle each adjacent described reverse osmosis membrane unit to described equalizing tank by described concentrated water discharge pipe coupling; The clear water discharge end of the described reverse osmosis membrane unit of each section all is connected to the clear water delivery pipe.
Described nanofiltration membrane unit comprises plurality of sections nanofiltration membrane unit, the described nanofiltration membrane of each section unit includes feed-water end, concentrated water discharge end and clear water discharge end, wherein first section described nanofiltration membrane unit feed-water end is connected to water inlet pipe, the unitary concentrated water discharge end of the described nanofiltration membrane of final stage, all couples together described concentrated water discharge end of the preceding paragraph and the described feed-water end of next section by pipe connecting between middle each adjacent described nanofiltration membrane unit to described equalizing tank by described concentrated water discharge pipe coupling; The unitary clear water discharge end of the described nanofiltration membrane of each section all is connected to the clear water delivery pipe.
The present invention is owing to take above technical scheme, it has the following advantages: 1, technology of the present invention at " the consumer waste filling and embedding pollution control criterion " that on July 1st, 2008 began to carry out (GB16889-2008), and the requirement of " about the bulletin of Beijing's household refuse landfill sites water pollutant discharging applied code related problems " of promulgation on July 8th, 2008, biological blooming treatment scheme in the 200810056984.X patent application is transformed, replaced the nanofiltration treatment process with ro treatment technology; Or behind nanofiltration unit processing unit, increase reverse osmosis unit processing unit, form a secondary hybrid films group processing unit, thereby reach the purpose that improves the film processing accuracy.It is brand-new technical process.2, technology of the present invention can be at the different quality situation of domestic all kinds of consumer waste infiltration liquids, adopt the various combination form of this technology, sewage after the processing can satisfy country (as GB16889-2008), the local percolate emission standard requirements in water quality of present latest domestic promulgation, also can meet the water quality (as CJ 25.1-89 " miscellaneous domestic water quality standard ") of domestic all kinds of reuse water standards.3, apparatus of the present invention have the advantages that flow process is integrated, level of automation is high, can accomplish unmanned, can adapt to the operant level of field worker.4, apparatus of the present invention are taken up an area of less, construction investment economizes (quite external same treatment water yield construction investment 4/5), ton cost of water treatment low (quite both at home and abroad 2/3 of other treatment process ton cost of water treatment).5, apparatus of the present invention all adopt domestic equipment and material, are fit to domestic application.
Description of drawings
Fig. 1 is the schematic flow sheet of DT-reverse osmosis garbage leachate treatment process in the prior art
Fig. 2 is the schematic flow sheet of detachable membrane biological respinse (MBR) garbage leachate treatment process in the prior art
Fig. 3 is the schematic flow sheet of another kind of garbage leachate treatment process in the prior art
Fig. 4 is the schematic flow sheet of another garbage leachate treatment process in the prior art
Fig. 5 is the schematic flow sheet of the treatment process of a kind of percolate of having applied for of the applicant
Fig. 6 is a kind of process flow diagram of the present invention
Fig. 7 is an another kind of process flow diagram of the present invention
Fig. 8 is the structural representation of the two sections reverse osmosis membrane groups of one-level among the present invention
Fig. 9 is the structural representation of the three sections reverse osmosis membrane groups of one-level among the present invention
Figure 10 is the composition signal of a kind of garbage filter liquid processing device among the embodiment 1
Figure 11 is the composition synoptic diagram of a kind of garbage filter liquid processing device among the embodiment 2
Figure 12 is the structural representation of three sections hybrid films groups of secondary treatment unit among the embodiment 2
Embodiment
Below in conjunction with drawings and Examples, processing method of the present invention and device are described in detail.
As shown in Figure 5, " a kind of garbage leachate treatment process " that proposed by the applicant (application number: 200810056984.X) in the patent documentation, write down following processing step:
1) in an equalizing tank, percolate is carried out water quality, water yield adjusting;
2) under 25 ℃～45 ℃ conditions, percolate is carried out anaerobic treatment;
3) biogas that the anaerobic reaction process is produced carries out deodorizing, reclaims the biogas after the deodorizing then, or biogas is burnt.Discharge the mud that produces in the anaerobic treatment process simultaneously;
4) sewage after the anaerobic treatment is carried out anaerobic treatment, discharge the mud that produces in the anaerobic treatment process simultaneously;
5) sewage after the anaerobic treatment is carried out aerobic treatment, discharge the mud that produces in the aerobic treatment process simultaneously;
6) then sewage is carried out aerobic MBR film and handle, the MBR film is handled the biochemical sludge that the back produces, and the part circulation is returned step 4) and entered anaerobic treatment;
7) sewage after the MBR film is handled enters an intermediate water tank;
8) then the sewage that comes out from middle water tank is carried out nanofiltration membrane (NF) and handle, discharging is directly measured in the water outlet after the processing; If the water of intermediate water tank output is up to standard, can directly measure discharging;
9) the dense water after nanofiltration membrane (NF) is handled returns step 1), and circulation enters the entire treatment process then;
10) carrying out above-mentioned aerobic treatment step 5), MBR film treatment step 6) in the process, air is sent in the container that carries out aerobic treatment respectively and carried out in the device that the MBR film handles, the air of using as aeration by a gas blower.
Above-mentioned treatment process method to percolate, can adapt to " integrated wastewater discharge standard " (GB8978-1996) in the requirement of relevant consumer waste infiltration (drop) liquid emission limit, but can not adapt to new " consumer waste filling and embedding pollution control criterion " (GB16889-2008) and the requirement of " about the bulletin of Beijing's household refuse landfill sites water pollutant discharging applied code related problems " consumer waste infiltration (drop) liquid emission limit of being proposed.
In order to address the above problem, the present invention takes following two kinds of improvement to treatment process:
As shown in Figure 6, first kind of improvement of the present invention is to change step 8) in the prior art and step 9) into following steps:
8) to the sewage that comes out from middle water tank through security personnel's strainer after, carry out reverse osmosis membrane processing, discharging is directly measured in the water outlet after the processing; If the water of intermediate water tank output is up to standard, can directly measure discharging;
9) the dense water after the reverse osmosis membrane processing returns step 1), and then enters the full cycle treating processes.
After the present invention improves at this treatment process, be mainly used in that to be difficult to biochemical pollutent in the treating refuse percolate be not very high situation.In the water outlet after the processing, principal pollutant chemical oxygen demand cod:＜60mg/L, ammonia-nitrogen content NH
4 +-N:＜8mg/L, other pollutent index also can satisfy the requirement of new standard (GB16889-2008).
After the present invention improved, at the operational process that anaerobic treatment, anaerobic treatment, aerobic treatment and MBR film are handled, identical with the operational process that writes down in the 200810056984.X patent documentation, difference was:
Draw water from middle water tank with pump, through security personnel's strainer, again through topping-up pump be forced into the required pressure of reverse osmosis membrane group operation (1.4～3.0MPa), send into the reverse osmosis membrane group then.Water purification after the reverse osmosis membrane processing reaches emission standard, and the sewage after the processing directly discharges or recycles.Handle the sewage of back discharging can be up to standard the time when the MBR film, the sewage after the processing can surmount the reverse osmosis membrane group by the pipe that surmounts that is provided with on the intermediate water tank, directly discharging or reuse.If the MBR film is handled the sewage of back discharging only there is when exceeding standard slightly, also can mixes by a certain percentage, back up to standard discharging or reuse with the water outlet of reverse osmosis membrane group.Can reduce the working time of reverse osmosis membrane group so as far as possible, prolong the work-ing life of film, reduce the cost that percolate is handled.
As shown in Figure 7, second kind of improvement of the present invention is to change step 8) in the prior art and step 9) into following steps:
8) sewage of intermediate water tank carries out nanofiltration membrane (NF) processing after security personnel's strainer filters, and the sewage after the processing enters an inter-stage water tank and is pressurized to 1.4～3.0MPa, then sewage is carried out reverse osmosis membrane processing, and discharging is directly measured in the water outlet after the processing; If the water after nanofiltration membrane (NF) is handled is up to standard, can directly measure discharging;
9) the dense water after reverse osmosis membrane and the nanofiltration membrane treatment returns step 1), and then enters the full cycle treating processes.
In second kind of improvement, the water outlet of nanofiltration membrane treatment enters the inter-stage water tank, again through the higher topping-up pump of pressure, with water be pressurized to the required pressure of reverse osmosis membrane processing operation (1.4～3.0MPa), enter the reverse osmosis membrane group then.Water purification after the reverse osmosis membrane group is handled reaches emission standard, and the sewage after the processing directly discharges or recycles.When the sewage of discharging can reach emission standard after the nanofiltration membrane group is handled, the sewage after the processing can be by the pipe that surmounts that is provided with on the inter-stage water tank, directly discharging or recycling.If the nanofiltration membrane group is handled the sewage of back discharging only there is when exceeding standard slightly, also can mixes by a certain percentage, back up to standard discharging or reuse with the water outlet of reverse osmosis membrane group.Can reduce the working time of reverse osmosis membrane group so as far as possible, prolong the work-ing life of film, reduce the cost that percolate is handled.
The dense water that produces during above nanofiltration membrane group and reverse osmosis membrane group are handled converges to a house steward by pipeline respectively, is transmitted back to water quality, water yield equalizing tank again, continues to participate in the entire treatment flow process.
As Fig. 8, shown in Figure 9, above-mentioned reverse osmosis membrane unit is the unit of being made up of some reverse osmosis membrane unit, as two sections of one-levels (as Fig. 8), or three sections of one-levels (as Fig. 9), no matter the reverse osmosis membrane unit of any form includes reverse osmosis membrane unit 1, pipe connecting 2, water inlet pipe 3, clear water delivery pipe 4, concentrated water discharge pipe 5.If be two sections reverse osmosis membrane units of one-level, reverse osmosis membrane unit 1 just is two sections; If be three sections reverse osmosis membrane units of one-level, reverse osmosis membrane unit 1 just is three sections.Each section reverse osmosis membrane unit 1 all comprises feed-water end, concentrated water discharge end and clear water discharge end, one section reverse osmosis membrane unit 1 feed-water end therein connects water inlet pipe 3, the concentrated water discharge end of this section reverse osmosis membrane unit 1 is connected to the feed-water end of next section reverse osmosis membrane unit 1 by pipe connecting 2, the concentrated water discharge end of next section reverse osmosis membrane unit 1 is connected to the more feed-water end of next section reverse osmosis membrane unit 1 by pipe connecting 2 again, by that analogy, the concentrated water discharge end of final stage reverse osmosis membrane unit 1 takes back equalizing tank by concentrated water discharge pipe 5.The clear water discharge end of all each section reverse osmosis membrane unit 1 all is connected to clear water delivery pipe 4.
Be connected to example with syllogic, as shown in Figure 9, the dense water that connects 3, the first sections reverse osmosis membrane unit 1 of water inlet pipe at the feed-water end of first section reverse osmosis membrane unit 1 is passed into the feed-water end of second section reverse osmosis membrane unit 1 by pipe connecting 2, and clear water is drained by clear water delivery pipe 4.The dense water of second section reverse osmosis membrane unit 1 is passed into the feed-water end of the 3rd section reverse osmosis membrane unit 1 by pipe connecting 2, and clear water is drained by clear water delivery pipe 4.The dense water of the 3rd section reverse osmosis membrane unit 1 takes back equalizing tank by concentrated water discharge pipe 5, and clear water is drained by clear water delivery pipe 4.
Embodiment 1:
Present embodiment provide treatment unit, treatment process that can specific implementation first kind of percolate provided by the invention.
As shown in figure 10, present embodiment comprises the following device that is communicated with in proper order by pump and transfer lime: an equalizing tank, an anaerobic process tank, one anaerobic treatment jar, one aerobic treatment jar, a submerged membrane bioreactor, an intermediate water tank, a security personnel's strainer and a reverse osmosis membrane unit.Anaerobic process tank is connected with a biogas odor removal by transfer lime.The biogas odor removal is communicated with a biogas combustion unit or a methane recovery device by transfer lime.One gas blower is communicated with aerobic treatment jar, submerged membrane bioreactor respectively by transfer lime.
In the foregoing description, the bottom of anaerobic process tank, anaerobic treatment jar, aerobic treatment jar can be respectively equipped with a sludge carrier pipe and be communicated with a sludge sump.The submerged membrane bioreactor can directly be communicated with returned sluge with the anaerobic treatment jar by transfer lime.Intermediate water tank can directly be communicated with the rising pipe of reverse osmosis membrane unit by transfer lime.The reverse osmosis membrane unit can directly be communicated with equalizing tank by transfer lime, makes the dense water that produces in the processing of reverse osmosis membrane unit, returns equalizing tank, and circulation enters the entire treatment process then.
In the present embodiment, the reverse osmosis membrane unit is three sections reverse osmosis membrane units of one-level.
Embodiment 2:
The treatment unit that present embodiment provides can specific implementation second kind of percolate provided by the invention treatment process.
As shown in figure 11, present embodiment comprises the following device that is communicated with in proper order by pump and transfer lime: an equalizing tank, one anaerobic process tank, one anaerobic treatment jar, an aerobic treatment jar, a submerged membrane bioreactor, one intermediate water tank, one security personnel strainer, a nanofiltration membrane unit, inter-stage water tank group and a reverse osmosis membrane unit.Anaerobic process tank is connected with a biogas odor removal by transfer lime.The biogas odor removal is communicated with a biogas combustion unit or a methane recovery device by transfer lime.One gas blower is communicated with aerobic treatment jar, submerged membrane bioreactor respectively by transfer lime.
In the foregoing description, the bottom of anaerobic process tank, anaerobic treatment jar, aerobic treatment jar can be respectively equipped with a sludge carrier pipe and be communicated with a sludge sump.Nanofiltration membrane unit rising pipe can directly be communicated with the rising pipe of reverse osmosis membrane unit by transfer lime.Nanofiltration membrane unit and reverse osmosis membrane unit can directly be communicated with equalizing tank by transfer lime, make the dense water that produces in the processing of nanofiltration membrane unit and reverse osmosis membrane unit, return equalizing tank, and circulation enters the entire treatment process then.
In the present embodiment, as shown in figure 12,, three sections hybrid films units of a secondary have been formed by three sections nanofiltration membrane units of an one-level, an inter-stage water tank and three sections reverse osmosis membrane units of an one-level.The similar of nanofiltration membrane unit and reverse osmosis membrane unit, it is the processing film difference of selecting, it comprises nanofiltration membrane unit 21, pipe connecting 22 between the nanofiltration membrane 21, nanofiltration membrane water inlet pipe 23, nanofiltration membrane clear water delivery pipe 24, nanofiltration membrane concentrated water discharge pipe 25, the mode of connection between each parts is with the reverse osmosis membrane unit.The clear water delivery pipe 24 of nanofiltration membrane unit is divided into two branch roads, and a branch road is connected to the water inlet pipe 3 of reverse osmosis membrane unit by the inter-stage water tank; Another branch road is directly connected to the clear water delivery pipe 4 of reverse osmosis membrane unit.
Claims (10)
1, a kind of treatment process of percolate may further comprise the steps:
1) in an equalizing tank, percolate is carried out water quality, water yield adjusting;
2) under 25 ℃～45 ℃ conditions, percolate is carried out anaerobic treatment;
3) biogas that the anaerobic reaction process is produced carries out deodorizing, discharges the mud that produces in the anaerobic treatment process simultaneously; Then with the methane recovery after the deodorizing or burn;
4) sewage after the anaerobic treatment is carried out anaerobic treatment, discharge the mud that produces in the anaerobic treatment process simultaneously;
5) sewage after the anaerobic treatment is carried out aerobic treatment, discharge the mud that produces in the aerobic treatment process simultaneously;
6) sewage after the aerobic treatment is carried out the biological treatment of submerged film, the biochemical sludge that submerged film biological treatment back produces partly circulates and returns step 4), carries out described anaerobic treatment of step 4) and step 5) and aerobic treatment;
7) sewage transport after the described submerged film biological treatment is gone into an intermediate water tank;
8) sewage to described intermediate water tank output carries out reverse osmosis membrane processing behind security personnel's strainer, and discharging is directly measured in the water outlet after the processing;
9) the dense water that reverse osmosis membrane processing is produced returns step 1), enters the full cycle treating processes then;
10) in carrying out described step 5) aerobic treatment, step 6) submerged film biological treatment process, by a gas blower air is sent in the container of aerobic treatment respectively and in the submerged membrane bioreactor.
2, the treatment process of a kind of percolate as claimed in claim 1, it is characterized in that: in the described step 8), to the sewage that comes out from security personnel's strainer, carry out nanofiltration membrane treatment earlier, after the sewage after the nanofiltration membrane treatment enters an inter-stage water tank and is forced into 1.4～3.0MPa, carry out reverse osmosis membrane processing again; Dense water to described nanofiltration membrane treatment produces returns described step 1), enters the full cycle treating processes.
3, the treatment process of a kind of percolate as claimed in claim 1 is characterized in that: to the sewage of described intermediate water tank output, if up to standardly directly measure discharging.
4, the treatment process of a kind of percolate as claimed in claim 2 is characterized in that: the sewage that described nanofiltration membrane treatment is produced, if up to standardly directly measure discharging.
5, a kind of treatment unit of realizing as claim 1 or 3 described garbage leachate treatment process, it is characterized in that: it comprises an equalizing tank that is communicated with in proper order by pump and transfer line, one anaerobic process tank, one anaerobic treatment jar, one aerobic treatment jar, one submerged membrane bioreactor, one intermediate water tank, an one security personnel's strainer and a reverse osmosis membrane unit, described anaerobic process tank is connected with a biogas odor removal by transfer lime, the biogas odor removal is communicated with a biogas combustion unit or a methane recovery device by transfer lime, and a gas blower is communicated with described aerobic treatment jar and submerged membrane bioreactor respectively by transfer lime.
6, a kind of garbage filter liquid processing device as claimed in claim 5, it is characterized in that: described anaerobic process tank, anaerobic treatment jar, aerobic treatment jar pass through the mud discharging pipe coupling respectively to a sludge sump, described submerged membrane bioreactor directly is communicated with described anaerobic treatment jar by transfer lime, the water side of described intermediate water tank directly is communicated with the water side of described reverse osmosis membrane unit by transfer lime, and described reverse osmosis membrane unit directly is communicated with described equalizing tank by the concentrated water discharge pipe.
7, a kind ofly realize the treatment unit as claim 2 or 4 described garbage leachate treatment process: it is characterized in that: it comprises an equalizing tank that is communicated with in proper order by pump and transfer line, one anaerobic process tank, one anaerobic treatment jar, one aerobic treatment jar, one submerged membrane bioreactor, one intermediate water tank, one security personnel's strainer, one nanofiltration membrane unit, an one inter-stage water tank and a reverse osmosis membrane unit, described anaerobic process tank is connected with a biogas odor removal by transfer lime, the biogas odor removal is communicated with a biogas combustion unit or a methane recovery device by transfer lime, and a gas blower is communicated with described aerobic treatment jar and submerged membrane bioreactor respectively by transfer lime.
8, a kind of garbage filter liquid processing device as claimed in claim 7, it is characterized in that: described anaerobic process tank, anaerobic treatment jar, aerobic treatment jar pass through the mud discharging pipe coupling respectively to a sludge sump, described submerged membrane bioreactor directly is communicated with described anaerobic treatment jar by transfer lime, the water side of described nanofiltration membrane unit directly is communicated with the water side of described reverse osmosis membrane unit by transfer lime, and described nanofiltration membrane unit and described reverse osmosis membrane unit directly are communicated with described equalizing tank by the concentrated water discharge pipe respectively.
9, a kind of garbage filter liquid processing device as claimed in claim 5, it is characterized in that: described reverse osmosis membrane unit comprises the plurality of sections reverse osmosis membrane unit, the described reverse osmosis membrane unit of each section includes feed-water end, concentrated water discharge end and clear water discharge end, wherein first section described reverse osmosis membrane unit feed-water end is connected to water inlet pipe, the concentrated water discharge end of the described reverse osmosis membrane unit of final stage, all couples together described concentrated water discharge end of the preceding paragraph and the described feed-water end of next section by pipe connecting between middle each adjacent described reverse osmosis membrane unit to described equalizing tank by described concentrated water discharge pipe coupling; The clear water discharge end of the described reverse osmosis membrane unit of each section all is connected to the clear water delivery pipe.
10, a kind of garbage filter liquid processing device as claimed in claim 7, it is characterized in that: described nanofiltration membrane unit comprises plurality of sections nanofiltration membrane unit, the described nanofiltration membrane of each section unit includes feed-water end, concentrated water discharge end and clear water discharge end, wherein first section described nanofiltration membrane unit feed-water end is connected to water inlet pipe, the unitary concentrated water discharge end of the described nanofiltration membrane of final stage, all couples together described concentrated water discharge end of the preceding paragraph and the described feed-water end of next section by pipe connecting between middle each adjacent described nanofiltration membrane unit to described equalizing tank by described concentrated water discharge pipe coupling; The unitary clear water discharge end of the described nanofiltration membrane of each section all is connected to the clear water delivery pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009100847445A CN101591127A (en) | 2009-05-19 | 2009-05-19 | A kind of treatment process of percolate and device |
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| CNA2009100847445A CN101591127A (en) | 2009-05-19 | 2009-05-19 | A kind of treatment process of percolate and device |
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| CN101811803A (en) * | 2010-04-19 | 2010-08-25 | 北京洁绿科技发展有限公司 | Rubbish leachate biological nitrogen removal process and device |
| CN102153233A (en) * | 2011-03-03 | 2011-08-17 | 浙江博世华环保科技有限公司 | Treatment method and treatment system for percolate in garbage-burning plant |
| CN103723884A (en) * | 2013-12-04 | 2014-04-16 | 刘军亮 | Sewage treatment method of degrading COD, BOD, SS, and ammonia nitrogen |
| CN105347616A (en) * | 2015-11-12 | 2016-02-24 | 天津晟瑞通市政工程有限公司 | Garbage leachate treatment system and process |
| CN109694166A (en) * | 2019-03-04 | 2019-04-30 | 重庆尚泽源环保科技有限公司 | A kind of bis- membrane process integrated equipment for sewage treatment of MBR |
| JP2019147098A (en) * | 2018-02-27 | 2019-09-05 | 住友重機械エンバイロメント株式会社 | Desalted water recovery device, water treatment system, and water treatment method |
| CN110668633A (en) * | 2019-07-31 | 2020-01-10 | 南京万德斯环保科技股份有限公司 | Kitchen waste sorting wastewater treatment system and process |
| CN110713314A (en) * | 2019-09-30 | 2020-01-21 | 广东莞绿环保工程有限公司 | Method for treating landfill leachate |
| CN111068506A (en) * | 2019-12-27 | 2020-04-28 | 湖南军信环保股份有限公司 | Landfill leachate equalizing basin deodorization system |
| CN111196999A (en) * | 2020-01-13 | 2020-05-26 | 中国科学院青岛生物能源与过程研究所 | Biomass garbage batch type microbial fermentation treatment system and treatment method |
| CN114873832A (en) * | 2021-02-05 | 2022-08-09 | 三达膜科技（厦门）有限公司 | Treatment method of high-ammonia nitrogen wastewater with unbalanced nutrient source |
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2009
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101811803A (en) * | 2010-04-19 | 2010-08-25 | 北京洁绿科技发展有限公司 | Rubbish leachate biological nitrogen removal process and device |
| CN102153233A (en) * | 2011-03-03 | 2011-08-17 | 浙江博世华环保科技有限公司 | Treatment method and treatment system for percolate in garbage-burning plant |
| CN102153233B (en) * | 2011-03-03 | 2012-11-07 | 浙江博世华环保科技有限公司 | Treatment method and treatment system for percolate in garbage-burning plant |
| CN103723884A (en) * | 2013-12-04 | 2014-04-16 | 刘军亮 | Sewage treatment method of degrading COD, BOD, SS, and ammonia nitrogen |
| CN103723884B (en) * | 2013-12-04 | 2016-04-27 | 刘军亮 | The sewage water treatment method of a kind of COD that degrades, BOD, SS, ammonia nitrogen |
| CN105347616A (en) * | 2015-11-12 | 2016-02-24 | 天津晟瑞通市政工程有限公司 | Garbage leachate treatment system and process |
| JP7052183B2 (en) | 2018-02-27 | 2022-04-12 | 住友重機械エンバイロメント株式会社 | Demineralized water recovery device, water treatment system and water treatment method |
| JP2019147098A (en) * | 2018-02-27 | 2019-09-05 | 住友重機械エンバイロメント株式会社 | Desalted water recovery device, water treatment system, and water treatment method |
| CN109694166A (en) * | 2019-03-04 | 2019-04-30 | 重庆尚泽源环保科技有限公司 | A kind of bis- membrane process integrated equipment for sewage treatment of MBR |
| CN110668633A (en) * | 2019-07-31 | 2020-01-10 | 南京万德斯环保科技股份有限公司 | Kitchen waste sorting wastewater treatment system and process |
| CN110713314A (en) * | 2019-09-30 | 2020-01-21 | 广东莞绿环保工程有限公司 | Method for treating landfill leachate |
| CN111068506A (en) * | 2019-12-27 | 2020-04-28 | 湖南军信环保股份有限公司 | Landfill leachate equalizing basin deodorization system |
| CN111196999A (en) * | 2020-01-13 | 2020-05-26 | 中国科学院青岛生物能源与过程研究所 | Biomass garbage batch type microbial fermentation treatment system and treatment method |
| CN114873832A (en) * | 2021-02-05 | 2022-08-09 | 三达膜科技（厦门）有限公司 | Treatment method of high-ammonia nitrogen wastewater with unbalanced nutrient source |
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