CN201530771U - Rubbish leachate integrated treatment device - Google Patents
Rubbish leachate integrated treatment device Download PDFInfo
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- CN201530771U CN201530771U CN2009202578186U CN200920257818U CN201530771U CN 201530771 U CN201530771 U CN 201530771U CN 2009202578186 U CN2009202578186 U CN 2009202578186U CN 200920257818 U CN200920257818 U CN 200920257818U CN 201530771 U CN201530771 U CN 201530771U
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Abstract
The utility model relates to a rubbish leachate integrated treatment device, which comprises a denitrification mechanism, a polymer blending reaction tank, an inclined plate/pipe sedimentation tank, a biochar filtering bed, an SMBR reactor and a chemical dissolving and dispensing mechanism. The chemical dissolving and dispensing mechanism comprises an alkaline liquor tank, a flocculation liquor tank and a flocculation aid liquor tank which are arranged in parallel. The three liquor tanks are respectively communicated with an alkaline liquor feeding hole on a stripping tower liquor inlet pipe, a flocculation feeding hole and a flocculation aid feeding hole which are arranged on a communication pipeline of a denitrification sedimentation water tank and the polymer blending reaction tank. The device is formed by a highly efficient ammonia nitrogen stripping tower, a rotary flow grid coagulation, the incline plate (pipe) sedimentation, the biochar filtering bed and the SMBR reactor, aggregates advantages of rubbish leachate treatment technique, resolves problems of difficult treatment and high cost of rubbish leachate, increases gas use rate by applying the highly efficient ammonia nitrogen stripping tower, enhances energy efficiency by means of a novel gas distribution structure, and has the advantage of occupied area and running cost reduction.
Description
Technical field
The utility model relates to sewage treatment area, particularly a kind of percolate integrated treatment unit and treatment process thereof.
Background technology
Along with expanding economy, the improving constantly of the surge of population and living standards of the people, the output of municipal wastes increases day by day, and the appropriate disposal of rubbish has become a very urgent task.The common processing mode of domestic refuse comprises sanitary landfill, burning, compost and comprehensive utilization etc.Wherein, sanitary landfill method, technology maturation low and become the main mode of domestic and international refuse treatment with its convenient management, processing costs.According to China Environmental Monitoring General Station the investigation of 329 municipal refuse disposal areas of China is shown that sanitary filling field accounts for 87.5% of waste treatment facility.Can produce percolate in garbage loading embeading or the stacking process, this is a kind of high concentrated organic wastewater of complicated component, as not dealing carefully with, will cause serious environmental to pollute.It can polluted-water, soil, atmosphere etc., makes surface water body water quality deterioration, eutrophication; Make underground water forfeiture utility value.The in a single day contaminated very difficult purification of underground water, the influence that causes is short then several years, long then centuries; Organic pollutant enters food chain also will directly threaten human health.According to incomplete investigation, the percolate that domestic nearly all sanitary filling field the produces qualified discharge of all being unrealized.Therefore, percolate is carried out effective collection and handle having become problem demanding prompt solution in the urban environment, refuse leachate treatment technology also is one of the domestic and international focus of studying and difficult point problem.
Percolate has extremely characteristics such as instability of Pollutant levels height, complicated component, variation, its principal feature is as follows: 1. the big leachate quality of variation water quality changes bigger in time, the hourly variation factor of leachate quality, daily variation factor are generally up to 200～300%, and the water quality of aged landfill yard changes relatively large in time; 2. biodegradability (biodegradability) reduces gradually with the increase in landfill age; 3. nutritive element proportional imbalance; 4. contain more than 10 kind of metal ion in the high percolate of metal ion content, wherein concentration of iron can be up to 2050mg/L, and plumbous concentration can reach 12.3mg/L, and zinc concentration can reach 130mg/L, and the concentration of calcium can reach 4300mg/L; 5. the high high-concentration ammonia-nitrogen of ammonia-nitrogen content is one of important water quality characteristic of city garbage percolate, along with garbage loading embeading year number and increasing, can be up to 1700mg/L, and the nitrogen in the percolate is many to be existed with the ammonia nitrogen form, accounts for 70～80% of TN; 6. along with the landfill yard prolongation of working life, the quality of percolate will change to the influence of leachate quality the landfill time.Percolate can be divided into two big classes according to " age " of landfill yard usually: a class is the percolate of " youth ", and its landfill time, the leachate quality characteristics that produced were that the pH value is lower, COD below 5 years
CrAnd BOD
5Concentration is higher, and BOD
5/ COD
CrRatio also higher, good biodegradability, the percolate of another kind of " old ", its landfill time is more than 5 years, the main water quality characteristics of the percolate that is produced be the pH value near neutral, the higher and BOD of CODcr
5Concentration is lower, and BOD
5/ COD
CrRatio very low, biodegradability is relatively poor, and NH
4-N is dense.
At present, the refuse leachate treatment technology that adopts both at home and abroad mainly can be divided into physico-chemical process, biological process and soil facture three major types.Physico-chemical process comprises several different methods such as coagulation, stripping, activated carbon adsorption, method of evaporation, chemical precipitation, ion-exchange, membrane sepn.The influence that physico-chemical process is changed by percolate water quality, the water yield is little, stable effluent quality, especially lower to BOD/COD and percolate that be difficult to carry out a biological disposal upon has treatment effect preferably, but physico-chemical process processing costs height, generally be used for the pre-treatment or the advanced treatment of percolate.Biological process can be divided into aerobe to be handled and anaerobic biological treatment two big classes, aerobic treatment process has activated sludge process, aeration oxidation pond, stabilization pond, blodisc, trickling filter etc., and anaerobic treatment process has anaerobic biofilter, anaerobism contact process, up-flow anaerobic sludge blanket, anaerobism mixed bed etc.Biological process is the most frequently used class methods during percolate is handled, and is low because of its working cost, processing efficiency is high, characteristics such as chemical sludge can not occur is extensively adopted by countries in the world.But adopt biological process to be difficult to adapt to variation, the especially ammonia nitrogen of the leachate quality and the water yield and heavy metal concentration when high separately, the microorganism in the treatment system is had had strong inhibitory effects, influence treatment effect, use shipwreck with up to standard.The soil facture comprises slow rate method, fast percolation process, surperficial cross flow, artificial swamp and recharge etc., wherein artificial swamp and recharge and use morely.The investment and the working cost of soil facture are lower, and capacity of resisting impact load is strong, can also quicken landfill yard stabilization process simultaneously, reduce maintenance cost.But this method is subjected to the restriction of land resources, and heavy metal and salt are accumulated in soil, and soil and underground water are polluted.
In recent years, Chinese scholars has been carried out a large amount of research to the processing of percolate, emerge many new treatment technologies, as membrane bioreactor (MBR), reverse osmosis (RO), Fenton, photochemical catalytic oxidation, electrolytic process, ultrasonic wave, effective microbe (EM) technology etc., all obtained certain treatment effect.
In sum, the treatment process of percolate is varied, each tool relative merits.Adopt single art breading, the treatment effect that on some index, can obtain often, and relatively poor to the treatment effect of other index, be difficult to make water outlet to reach emission standard.Therefore, must be with treatment process by simplification to development in pluralism, by process combination, learn from other's strong points to offset one's weaknesses, to reach satisfied treatment effect.
The utility model content
The technical problems to be solved in the utility model provides percolate integrated treatment unit and the treatment process that a kind of floor space is little, running cost is low.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of percolate integrated treatment unit, comprise denitrogenation mechanism, mix poly-reaction tank, swash plate/pipe settling tank, and charcoal filter bed, the SMBR reactor, denitrogenation mechanism, mix poly-reaction tank, swash plate/pipe settling tank, the biological carbon filter tank, the membrane biological reaction pond is communicated with successively and is provided with sewage draining exit in its lower end respectively, also comprise the molten medicine mechanism of making up a prescription, the described molten medicine mechanism of making up a prescription comprises the alkali lye pond, the flocculation medical solution pool, help three medicine dissolving tanks arranged side by side of medical solution pool with fixed attention, be separately installed with agitator motor and agitating vane on the horizontal support bar in three medicine dissolving tanks, each medicine dissolving tank is equipped with volume pump respectively, and the liquid-inlet pipe of each volume pump is communicated with corresponding medicine dissolving tank inner chamber respectively; Described denitrogenation mechanism comprises denitrogenation precipitation water tank and is fixed in the stripping tower of this water tank upper end, on the liquid-inlet pipe of stripping tower, be provided with alkali lye dosing hole, on denitrogenation precipitation water tank and mixed poly-reaction tank connecting pipe, successively be respectively equipped with flocculation dosing hole and coagulate the dosing hole with helping, described each volume pump divides other drain pipe to install with corresponding dosing hole coupling respectively, being the volume pump drain pipe in alkali lye pond is communicated with alkali lye dosing hole on the stripping tower liquid-inlet pipe, the flocculation medical solution pool is communicated with described flocculation dosing hole, help with fixed attention medical solution pool to coagulate the dosing hole and be communicated with helping, described each medicine dissolving tank lower end is provided with sewage draining exit and is communicated with the system blow-off pipe respectively.
Described coagulation reaction tank comprise at least two independently of one another and by otch be communicated with the grid pond, described each grid pond comprises three-layer network compartment at least, the interval horizontal distribution is fixed on the inner side-wall of grid pond between each clathrum, fluid inlet is positioned at deflection grid pond sidewall locations to be installed, and makes feed liquor produce eddy flow.
When described grid pond was odd number, fluid inlet was installed on the grid pond side wall upper part of an end; When the grid pond was even number, fluid inlet was installed on the grid pond lower sidewall of an end.
Described grid pond is round shape or is oval cylinder, perhaps is square tube shape.
Described stripping tower comprises tower body and is positioned at the air outlet of tower body upper end, the centrifugal blower of lower end, and on the air outlet, be fixed with rain cover, from up to down be followed successively by efficient water-recovering device, cyclone water distributor, sphere or multiaspect or many ribs or other packing layers at the tower body inner chamber, liquid-inlet pipe is installed with the tower body upper end and is communicated with cyclone water distributor, the escape pipe of described centrifugal blower is installed on the packing layer bottom, and is provided with little production well of some amount on this escape pipe.
The mud layer that removes of arcuated fin piece swash plate or other swash plates (pipe) composition is installed at swash plate/pipe settling tank middle part, it is that its two ends of arcuated fin piece plate of some amount are separately fixed on swash plate/pipe settling tank both sides inner side-wall that described arcuated fin piece swash plate removes mud layer, and is provided with bottom swash plate/pipe settling tank and collects mud funnel and sewage draining exit.
Described arcuated fin piece plate, it is the lagging that vertical fixing has some amount at least one plane of smooth plate, parallel to each other between each lagging, on the plate end limit of each lagging, be fixed with arc, making horizontal is the horizontal plate of working as of " J " type when plate and arc are combined to form cross section.
The beneficial effects of the utility model:
1. integrated garbage filter liquid processing device has efficient ammonia-nitrogen desorption tower+eddy flow grid coagulation+swash plate (pipe) precipitation+charcoal filter bed+SMBR reactor to form, assemble the advantage in the garbage leachate treatment process, solved the high problem of the difficult expense of processing of percolate.
2. innovated efficient ammonia-nitrogen desorption tower, efficient ammonia-nitrogen desorption tower adopts micropore aeration pipe as distribution device, and gas distribution pipe is positioned at the filler middle and lower part, the gas effciency height; Reduced the height of equipment, the method for the baffle plate reflection gas distribution before having changed has improved efficiency.
3. the eddy flow gridding technique is under the prerequisite of existing cyclone coagulation technology and grid coagulation technology, a kind of efficient flocculating technology of independent research, it has merged both advantages, abandoned big shortcoming and the too many disadvantage of grid coagulation technology lattice of cyclone technique floor space, the realization flocculation time is short, the characteristics that the flco effect is good.Having flocculation time is 5～8 minutes, and dosing is 60～80% of a routine, both can reduce occupation of land face, dwindles the structures volume, reduces the advantage of working cost again.
4. arcuated fin piece swash plate technology is the efficient precipitation inclined plate of developing on the basis of existing waveform swash plate, labyrinth swash plate, high-density labyrinth swash plate of a new generation, abandoned the waveform swash plate complexity, shortcoming that support is more and the relatively poor shortcoming of labyrinth swash plate effluent quality have been installed.It is higher that the arcuated fin piece swash plate has hydraulic load, the characteristics that effluent quality is good, floor space is little.It can adapt to the less-than-ideal settling tank of front coagulation transforms, because the arcuated fin piece swash plate has unique second coagulation technology, it can carry out the secondary flocculation to the medicament that does not have complete coagulation in coagulation system, reaches best flocculation sediment effect.
Description of drawings
Fig. 1 is the integrated garbage filter liquid processing device of a utility model side structure synoptic diagram;
Fig. 2 is the plan structure synoptic diagram of Fig. 1;
Fig. 3 is that the D of Fig. 1 is to structural representation;
Fig. 4 is the local structure for amplifying synoptic diagram of Fig. 3;
Fig. 5 is centrifugal blower and little production well structural representation thereof;
Fig. 6 is the backsight structural representation of Fig. 1;
Fig. 6-the 1st, (denitrogenation precipitation water tank and mixed poly-reaction tank) connecting pipe structure for amplifying synoptic diagram of Fig. 6;
Fig. 7 is the A-A cross-sectional view of Fig. 1;
Fig. 8 is an aggregation pond perspective view;
Fig. 9 is mixed solution eddy flow situation synoptic diagram in the grid pond;
Figure 10 is a grid pond plan structure synoptic diagram;
Figure 11 is the B-B cross-sectional view of Figure 10;
Figure 12 is the C-C cross-sectional view of Figure 10;
Figure 13-1 arcuated fin piece plate structural representation;
Figure 13-the 2nd, the side structure synoptic diagram of Figure 13-1.
Number in the figure 1 integrated garbage filter liquid processing device shell, 2 are the molten medicine mechanism of making up a prescription, 3 are denitrogenation precipitation water tank, 4 is coagulation reaction tank, 5 is swash plate/pipe settling tank, 6 is biological carbon filterbed, 7 is the SMBR reactor, 8 is water purifying tank, 9 is stripping tower, 10 is volume pump, 11 is physic liquor intake tube, and 12 is sewage water inlet pipe, and 13 is guardrail, 14 is sphere or multiaspect or many ribs or other packing layers, 15 be (denitrogenation precipitation water tank with mix poly-reaction tank) connecting pipe, 16 go out drug liquid tube, 17 for volume pump, 18,19 are respectively the alkali lye pond, the flocculation medical solution pool, help medical solution pool (the medicine dissolving tank order does not limit) with fixed attention, 20 is the medicine dissolving tank sewage draining exit, 21 is alkali lye dosing hole, and 22 are flocculation dosing hole, and 23 for helping dosing hole with fixed attention, 24 is system's blow-off pipe, 25 is centrifugal blower, and 26 is stirrer and agitating vane, and 27 are collection mud funnel, 28 is blower fan escape pipe (micropore gas distribution pipe), 29 is micropore, and 30 is universal lifting appliance, and 31 is coagulation reaction tank and swash plate/pipe settling tank foot passage, 32 is clathrum, 33 is arcuated fin piece plate, and 34 is manhole, and 35 are mixed solution water-in (being positioned at grid pond one side of coagulation reaction tank one end), 36 is partition wall between coagulation reaction tank and the swash plate/pipe settling tank, 38 is swash plate/pipe settling tank top water exit, and 39 is the butterfly valve of installing on the shore pipe, and 40 is the horizontal plate of working as of " J " type, 41 is efficient water-recovering device, and 42 is rain cover.
Embodiment
When described grid pond was odd number, fluid inlet was installed on the grid pond side wall upper part of an end; When the grid pond was even number, fluid inlet was installed on the grid pond lower sidewall of an end.
Described grid pond is round shape or is oval cylinder, perhaps is square tube shape.
Described stripping tower 9 comprises tower body and is positioned at the air outlet of tower body upper end, the centrifugal blower of lower end, and on the air outlet, be fixed with rain cover 42, from up to down be followed successively by efficient water-recovering device 41, cyclone water distributor 30, sphere or multiaspect or many ribs or other packing layers 14 at the tower body inner chamber, liquid-inlet pipe 12 is installed with the tower body upper end and is communicated with cyclone water distributor 30, the escape pipe 28 of described centrifugal blower 25 is installed on packing layer 14 bottoms, and is provided with little production well 29 of some amount on this escape pipe 28.
The arcuated fin piece swash plate is installed at inclined-plate clarifying basin 5 middle parts removes mud layer, it is that arcuated fin piece plate 33 its two ends of some amount are separately fixed on the inclined-plate clarifying basin 5 both sides inner side-walls that described arcuated fin piece swash plate removes mud layer, and is provided with collection mud funnel 27 and sewage draining exit 37 in inclined-plate clarifying basin 5 bottoms.
Described arcuated fin piece plate 33 is arcs parallel to each other that vertical fixing has some amount at least one plane of smooth plate, makes horizontally to work as plate 40 when plate and arc are combined to form cross section for " J " type is horizontal.State the method for percolate integrated treatment unit treating refuse percolate, may further comprise the steps:
(1) after ammonia-nitrogen desorption adds alkali and regulates pending percolate (get final product more than 0 °, need not heating) pH value to 8.5～10.5, introduce denitrogenation mechanism and carry out the air denitrogenation, regulating vapour-liquid ratio is 40～80, stripping stop 5～15min; The ammonia-nitrogen desorption part, COD clearance 40%, ammonia nitrogen removal frank 60～80%.(2) percolate behind the coagulating sedimentation stripping is introduced mixed poly-reaction tank after adding flocculation agent, and flocculation sediment is 5～10 minutes in the eddy flow grid, and introduce swash plate/pipe settling tank again and precipitate, and at this district hydraulic retention 1.5～2h; It is polymerize aluminum chloride (PAC), polyacrylamide (PAM) that institute adds flocculation agent, and addition is followed successively by 400mg/L, 50mg/L.The coagulating sedimentation part, COD clearance 60%.
(3) the charcoal filter bed is handled the effusive percolate introducing charcoal filter bed residence time 4～6h behind coagulating sedimentation, carries out biopurification, filtration;
(4) SMBR handles percolate and introduces SMBR reactor purifying treatment 4～8h, and SMBR reactor membrane flux is stabilized in 8～10L/ (m
3H); Membrane module filter membrane aperture is 0.3um.
The total clearance of integrated garbage filter liquid processing device: COD80-90%
(5) after nanofiltration+reverse-osmosis treated adjusting SMBR reactor water outlet pH value is 6.0～7.0, adopt nanofiltration+reverse osmosis tandem process to carry out advanced treatment, qualified discharge or reuse.
Nanofiltration reverse osmosis part: COD clearance 99.9%, ammonia nitrogen removal frank 99%, system's water outlet reaches the sensitive area emission standard that table 3 requires in the GB16889-2008 emission standard.
The investment and the working cost of cyclone coagulation, grid coagulation and eddy flow grid coagulation relatively see Table 1 under the situation of embodiment 2 equal treatment scales, equal influent quality and equal effluent quality:
The comprehensive contrast table of table 1
The Technological Economy of embodiment 3 existing technologies and the utility model method compares: to handle 40 cubic metres of/day calculating (seeing table 2 for details):
Overall system investment: 460～5,000,000 yuans; 260～3,200,000 yuans;
System's floor space: 900～1200 square metres; 434 square metres (comprising road and green coverage)
The actual floor space of equipment and factory building: 450 square metres; 128 square metres
Working cost: 12～14 yuan of/ton water; 8.604 unit/ton water;
Ton water cost: 38～40 yuan; 14.971 unit
Table 2 expense detail
Embodiment four: accompanying drawing is not drawn, and meaning and embodiment one are basic identical, and something in common does not repeat, and different is: settling tank adopts traditional pipe settling tank.
Claims (7)
1. percolate integrated treatment unit, comprise denitrogenation mechanism, mix poly-reaction tank, swash plate/pipe settling tank, and charcoal filter bed, the SMBR reactor, it is characterized in that, described denitrogenation mechanism, mix poly-reaction tank, swash plate/pipe settling tank, the charcoal filter bed, the SMBR reactor is communicated with successively and is provided with sewage draining exit in its lower end respectively, also comprise the molten medicine mechanism of making up a prescription, the described molten medicine mechanism of making up a prescription comprises the alkali lye pond, the flocculation medical solution pool, help three medicine dissolving tanks arranged side by side of medical solution pool with fixed attention, be separately installed with agitator motor and agitating vane on the horizontal support bar in three medicine dissolving tanks, each medicine dissolving tank is equipped with volume pump respectively, and the liquid-inlet pipe of each volume pump is communicated with corresponding medicine dissolving tank inner chamber respectively; Described denitrogenation mechanism comprises denitrogenation precipitation water tank and is fixed in the stripping tower of this water tank upper end, be provided with alkali lye dosing hole on the liquid-inlet pipe of stripping tower, successively be respectively equipped with flocculation dosing hole on the reaction tank connecting pipe and help dosing hole with fixed attention in denitrogenation precipitation water tank and mixed gathering, the drain pipe of described each volume pump is installed with corresponding dosing hole coupling respectively, and described each medicine dissolving tank lower end is provided with sewage draining exit and is communicated with the system blow-off pipe respectively.
2. percolate integrated treatment unit according to claim 1, it is characterized in that: described coagulation reaction tank comprise at least two independently of one another and by otch be communicated with the grid pond, described each grid pond comprises three-layer network compartment at least, the interval horizontal distribution is fixed on the inner side-wall of grid pond between each clathrum, fluid inlet is positioned at deflection grid pond sidewall locations to be installed, and makes feed liquor produce eddy flow.
3. percolate integrated treatment unit according to claim 2 is characterized in that, when described grid pond was odd number, fluid inlet was installed on the grid pond side wall upper part of an end; When the grid pond was even number, fluid inlet was installed on the grid pond lower sidewall of an end.
4. according to claim 2 or 3 described percolate integrated treatment units, it is characterized in that described grid pond is round shape or is oval cylinder, perhaps is square tube shape.
5. percolate integrated treatment unit according to claim 1, it is characterized in that: described stripping tower comprises tower body and is positioned at the air outlet of tower body upper end, the centrifugal blower of lower end, and on the air outlet, be fixed with rain cover, from up to down be followed successively by efficient water-recovering device, cyclone water distributor, sphere or multiaspect or many ribs packing layer at the tower body inner chamber, liquid-inlet pipe is installed on the tower body upper end and is communicated with cyclone water distributor, the escape pipe of described centrifugal blower is installed on the packing layer bottom, and is provided with little production well of some amount on this escape pipe.
6. percolate integrated treatment unit according to claim 1, it is characterized in that, at the inclined-plate clarifying basin middle part arcuated fin piece swash plate is installed and removes mud layer, it is that its two ends of arcuated fin piece plate of some amount are separately fixed on the inner side-wall support of inclined-plate clarifying basin both sides that described arcuated fin piece swash plate removes mud layer, and is provided with collection mud funnel and sewage draining exit in the inclined-plate clarifying basin bottom.
7. percolate integrated treatment unit according to claim 1, it is characterized in that, described arcuated fin piece plate, be that vertical fixing has the parallel to each other of some amount at least one plane of smooth plate, be fixed with arc on the plate end limit of each lagging, making horizontal is the horizontal plate of working as of " J " type when plate and arc are combined to form cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202578186U CN201530771U (en) | 2009-11-03 | 2009-11-03 | Rubbish leachate integrated treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202578186U CN201530771U (en) | 2009-11-03 | 2009-11-03 | Rubbish leachate integrated treatment device |
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| Publication Number | Publication Date |
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| CN201530771U true CN201530771U (en) | 2010-07-21 |
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ID=42526176
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| CN2009202578186U Expired - Lifetime CN201530771U (en) | 2009-11-03 | 2009-11-03 | Rubbish leachate integrated treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117414A (en) * | 2018-01-18 | 2018-06-05 | 深圳市安思科电子科技有限公司 | A kind of high energy-saving organic fertilizer production equipment of production efficiency |
-
2009
- 2009-11-03 CN CN2009202578186U patent/CN201530771U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117414A (en) * | 2018-01-18 | 2018-06-05 | 深圳市安思科电子科技有限公司 | A kind of high energy-saving organic fertilizer production equipment of production efficiency |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100721 Effective date of abandoning: 20091103 |