CN210559942U - Biochemical processing system of industrial waste water biological increase - Google Patents
Biochemical processing system of industrial waste water biological increase Download PDFInfo
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- CN210559942U CN210559942U CN201921364221.1U CN201921364221U CN210559942U CN 210559942 U CN210559942 U CN 210559942U CN 201921364221 U CN201921364221 U CN 201921364221U CN 210559942 U CN210559942 U CN 210559942U
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- biochemical treatment
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- 239000010842 industrial wastewater Substances 0.000 title claims abstract description 21
- 239000010802 sludge Substances 0.000 claims abstract description 78
- 238000004062 sedimentation Methods 0.000 claims abstract description 45
- 230000002195 synergetic effect Effects 0.000 claims abstract description 22
- 238000010008 shearing Methods 0.000 claims abstract description 21
- 235000015097 nutrients Nutrition 0.000 claims abstract description 12
- 230000003647 oxidation Effects 0.000 claims description 19
- 238000007254 oxidation reaction Methods 0.000 claims description 19
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 13
- 238000005189 flocculation Methods 0.000 claims description 12
- 230000016615 flocculation Effects 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 10
- 230000003197 catalytic effect Effects 0.000 claims description 9
- 238000005868 electrolysis reaction Methods 0.000 claims description 6
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 5
- 208000014451 palmoplantar keratoderma and congenital alopecia 2 Diseases 0.000 claims description 2
- 238000012258 culturing Methods 0.000 claims 2
- 239000001963 growth medium Substances 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 abstract description 12
- 231100000719 pollutant Toxicity 0.000 abstract description 12
- 238000004065 wastewater treatment Methods 0.000 abstract description 5
- 230000001580 bacterial effect Effects 0.000 abstract description 4
- 239000002351 wastewater Substances 0.000 description 17
- 239000012528 membrane Substances 0.000 description 11
- 244000005700 microbiome Species 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000000945 filler Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- 239000000969 carrier Substances 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000000813 microbial effect Effects 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000002028 Biomass Substances 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000035755 proliferation Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 2
- 239000003830 anthracite Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
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- 238000000746 purification Methods 0.000 description 1
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- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model relates to a waste water treatment equipment technical field specifically is a biological synergistic biochemical treatment system of industrial waste water, including the equalizing basin, pretreatment systems, biochemical treatment system, the sedimentation tank, the bacterial expands cultivates the dosing system, the nutrient medium dosing system, the carrier dosing system, the sludge shearing machine, cyclone and sludge dewatering system, the equalizing basin, pretreatment systems, biochemical treatment system and sedimentation tank connect gradually, the bacterial expands cultivates the dosing system, nutrient medium dosing system and carrier dosing system all are connected with biochemical treatment system, the sludge outlet and the biochemical treatment system of sedimentation tank are connected, the sludge outlet and the sludge shearing machine of sedimentation tank are connected, the sludge shearing machine is connected with cyclone, two exports of cyclone are connected with biochemical treatment system and sludge dewatering system respectively. Compared with the prior art, the utility model discloses a biological synergistic biochemical treatment system of industrial waste water has the advantage that pollutant treatment efficiency is high, mud output is low, the working costs is low.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment equipment, in particular to a biological synergistic biochemical treatment system for industrial wastewater.
Background
The biological treatment of waste water mainly converts organic matters in the waste water into simple inorganic matters by means of the decomposition action of microorganisms, so that the waste water is purified. In order to further improve the decomposition effect of microorganisms, a biological synergistic technology is introduced, a compound microorganism flora with high-efficiency degradation capability on specific pollutants is introduced in the wastewater treatment process, the number of microorganisms is increased, the microbial population structure is improved, the degradation capability of a wastewater system on the specific pollutants is enhanced, the wastewater treatment effect is improved, the effluent stability is enhanced, and the system recovery can be accelerated. CN106365384A discloses a total nitrogen removal device and a process, which comprises a pretreatment system, a water distribution system, a baffle plate biological membrane system, a denitrification tank, a sedimentation tank, a special strain synergistic activation and dosing system, a composite nutrient source preparation and dosing system and a control system; biological filler is arranged in the denitrification tank; the baffle plate biological membrane system is arranged above the denitrification tank; the water distribution system comprises a water circulating pump, a water distributor and a nozzle; an inclined tube filler is arranged in the sedimentation tank; the sludge at the bottom of the sedimentation tank is pumped back to the denitrification tank; the special strain synergistic activation and dosing system and the compound nutrient source preparation and dosing system are all connected with the inlet of the water circulation pump. The BPB baffle plate biological membrane element is taken as a core, the upper and lower three-dimensional layout structural form and the modular design mode are adopted, all the parts are combined into a whole, the denitrifying bacteria separation and purification technology is combined, the biological denitrification nutrient source compounding technology is combined, the total nitrogen removal effect is good, the occupied area is small, the operation is convenient and fast, the energy consumption is low, and the cost is low. However, this invention has the following disadvantages: the biological filler in the denitrification tank is a suspended filler, and in order to prevent the biological filler from losing along with the sludge discharge, the biological filler needs to be intercepted and fixed by a net piece, so that the biological filler has a large volume and a small specific surface area, the removal efficiency of pollutants is low, and the same problem exists in a baffle plate biological membrane system.
In order to improve the treatment efficiency of the biofilm method, the biological fluidized bed technology takes sand (or anthracite, activated carbon and the like) as a biofilm carrier, and the specific surface area of the carrier is larger, so that the contact area between the biofilm and wastewater is increased in unit time. However, the carriers are easily lost along with the sludge discharge, resulting in high operation cost and high residual sludge discharge.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects of the prior art, providing an industrial wastewater biological synergistic biochemical treatment system, having higher pollutant removal efficiency and low residual sludge yield and running cost.
The utility model discloses the technical problem that will solve adopts following technical scheme to realize: the biological synergistic biochemical treatment system for industrial wastewater is characterized in that: including equalizing basin, pretreatment systems, biochemical treatment system, sedimentation tank, bacterial expand and cultivate dosing system, nutrient agent dosing system, carrier dosing system, sludge shearing machine, cyclone and sludge dewatering system, equalizing basin, pretreatment systems, biochemical treatment system and sedimentation tank connect gradually, bacterial expand and cultivate dosing system, nutrient agent dosing system and carrier dosing system all with biochemical treatment system connection, the sludge outlet and the biochemical treatment system of sedimentation tank are connected, the sludge outlet and the sludge shearing machine of sedimentation tank are connected, the sludge shearing machine is connected with cyclone, two exports of cyclone are connected with biochemical treatment system and sludge dewatering system respectively.
The technical proposal of the utility model is also that: the pretreatment system is formed by connecting one or more of an electric flocculation device, an ozone catalytic oxidation device, an iron-carbon micro-electrolysis device, a Fenton oxidation device and a flocculation precipitation device in series.
The technical proposal of the utility model is also that: the pretreatment system comprises an iron-carbon micro-electrolysis device and a Fenton oxidation device, wherein the iron-carbon micro-electrolysis device is connected with the Fenton oxidation device in series.
The technical proposal of the utility model is also that: the pretreatment system comprises a flocculation precipitation device and an ozone catalytic oxidation device, wherein the flocculation precipitation device is connected with the ozone catalytic oxidation device in series.
The technical proposal of the utility model is also that: the pretreatment system comprises an electric flocculation device and a Fenton oxidation device, wherein the electric flocculation device is connected with the Fenton oxidation device in series.
The technical proposal of the utility model is also that: the biochemical treatment system is an A/O biochemical tank or an SBR tank or a CASS tank.
The technical proposal of the utility model is also that: the sedimentation tank is a horizontal flow sedimentation tank or a radial flow sedimentation tank or an inclined tube sedimentation tank.
The technical proposal of the utility model is also that: the adjusting tank is connected with the pretreatment system through a lift pump.
The technical proposal of the utility model is also that: the sludge outlet of the sedimentation tank is connected with a biochemical treatment system through a sludge reflux pump, and the sludge outlet of the sedimentation tank is connected with a sludge shearing machine through a sludge discharge pump.
The utility model discloses biological synergistic biochemical treatment system's of industrial waste water theory of operation: the waste water is temporarily stored in the regulating tank for balancing and regulating the water quality and the water quantity. The regulated wastewater enters a pretreatment system, and the wastewater is pretreated and removed in the pretreatment system aiming at characteristic pollutants influencing biochemical treatment, so that the biological adaptability of the wastewater is improved, and the follow-up biochemical treatment process is facilitated. Effluent of the pretreatment system enters a biochemical treatment system to efficiently remove pollutants such as COD, ammonia nitrogen, total phosphorus, chromaticity, characteristic pollutants and the like, and the biochemical treatment system cultures high-efficiency microbial strains with good degradation capability aiming at the characteristic pollutants in wastewater and fixes microorganisms on carriers by adding microorganism fixing carriers, so that the microorganisms are fixed on the carriers in a form of biomembranes, and the biochemical treatment system has obvious impact resistance and running stability compared with a conventional activated sludge system. Meanwhile, due to the fixing and sedimentation assisting performance of the carrier, the biomass of the biochemical treatment system is increased by more than five times compared with that of a conventional activated sludge system, and the degradation efficiency of the biochemical system in unit volume is greatly improved. The method of carrier fixed biological film can prolong the sludge age of microbe greatly, and reduce the production of excess biochemical sludge by over 70% compared with the conventional activated sludge system. And the efficient microbial strains are periodically supplemented into the biochemical treatment system through a strain expanding culture dosing system, so that the characteristic pollutant degradation strains in the biochemical treatment system maintain and maintain the advantages of the strains. The carrier loss caused by the discharge of the biochemical excess sludge is periodically supplemented into the biochemical treatment system through the carrier adding system, and the proper carrier concentration in the biochemical system is maintained. The effluent of the biochemical treatment system automatically flows into a sedimentation tank, the sedimentation separation of sludge and wastewater is realized in the sedimentation tank, and the treated wastewater is discharged through the overflow of the sedimentation tank. Returning part of sludge at the bottom of the sedimentation tank to the front end of the biochemical treatment system to keep biomass in the biochemical treatment system; the sludge at the bottom of the other part of the sedimentation tank is sheared at high speed by a sludge shearing machine to realize the shedding of the biological film and the carrier in the sludge. The sludge treated by the sludge shearing machine enters a cyclone separator, the separation of the biomembrane and the carrier is realized by adopting a centrifugal separation principle according to the density difference between the fallen biomembrane and the carrier, and the separated carrier flows back to the front end of a biochemical treatment system to maintain the concentration of the carrier in the biochemical treatment system and create good conditions for the proliferation and attachment of microorganisms; the separated biological membrane enters a sludge dewatering system for dewatering treatment.
Compared with the prior art, the utility model discloses biological synergistic biochemical treatment system of industrial waste water's beneficial effect does: the method can adopt the filler (such as sand, anthracite, activated carbon and the like) with smaller specific surface area as a biological carrier, and the specific surface area of the carrier is larger, so that the contact area of the biological membrane and the wastewater is enlarged in unit time, the pollutant treatment efficiency is high, moreover, the biological membrane in the sludge and the carrier fall off through the sludge shearing machine, the biological membrane is separated from the carrier through the cyclone separator, and the carrier flows back to the front end of the biochemical treatment system, so that the concentration of the carrier in the biochemical system is maintained, good conditions are created for the proliferation and adhesion of microorganisms, the carrier can be prevented from being discharged out of the system along with the sludge, and the sludge yield and the operating cost are reduced.
Drawings
FIG. 1 is a schematic structural diagram of a biological synergistic biochemical treatment system for industrial wastewater in an embodiment.
In the figure: 1. the system comprises a regulating tank, 2, a lifting pump, 3, a pretreatment system, 4, a biochemical treatment system, 5, a sedimentation tank, 6, a strain expanding and feeding system, 7, a nutrient feeding system, 8, a carrier feeding system, 9, a sludge reflux pump, 10, a sludge discharge pump, 11, a sludge shearing machine, 12, a cyclone separator, 13, a sludge dewatering system, 14 and an ozone feeding device.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the following further describes the embodiments of the present invention with reference to the attached drawings.
As shown in fig. 1, the biological synergistic biochemical treatment system for industrial wastewater comprises a regulating tank 1, a pretreatment system 3, a lift pump 2, a biochemical treatment system 4, a sedimentation tank 5, a strain expanding culture dosing system 6, a nutrient dosing system 7, a carrier dosing system 8, a sludge reflux pump 9, a sludge discharge pump 10, a sludge shearing machine 11, a cyclone separator 12 and a sludge dewatering system 13.
The adjusting tank 1, the lifting pump 2, the pretreatment system 3, the biochemical treatment system 4 and the sedimentation tank 5 are connected in sequence. The strain expanding culture adding system 6, the nutrient adding system 7 and the carrier adding system 8 are all connected with the biochemical treatment system 4. The sludge outlet of the sedimentation tank 5 is connected with the biochemical treatment system 4 through a sludge reflux pump 9, the sludge outlet of the sedimentation tank 5 is connected with a sludge shearing machine 11 through a sludge discharge pump 10, the sludge shearing machine 11 is connected with a cyclone separator 12, and two outlets of the cyclone separator 12 are respectively connected with the biochemical treatment system 4 and a sludge dewatering system 13.
The pretreatment system 3 is an ozone catalytic oxidation device, and ozone is added into the ozone catalytic oxidation device through an ozone adding device 14.
The biochemical treatment system 4 is an A/O biochemical pool.
The sedimentation tank 5 is a horizontal flow sedimentation tank.
Taking a pharmaceutical wastewater treatment project of Shandong Zibo as an example to illustrate the working principle of the biological synergistic biochemical treatment system for industrial wastewater in the embodiment: the COD of raw water is about 5500mg/L, the ammonia nitrogen is about 160mg/L, the total nitrogen is about 280mg/L, and the chroma is about 800 times. The waste water is temporarily stored in the regulating tank 1 for balancing and regulating the water quality and the water quantity. The regulated wastewater is lifted to a pretreatment system 3, namely an ozone catalytic oxidation device, by a lifting pump 2, and the adding amount of ozone is 20g/m 3. The effluent of the pretreatment system 3 enters a biochemical treatment system 4, and the hydraulic retention time is 36 h. Periodically supplementing 5805 high-efficiency microorganism strains of Novoxil into the biochemical treatment system 4 through a strain expanding culture dosing system 6; periodically supplementing 100-mesh porous microbial carriers into the biochemical treatment system 4 through a carrier adding system 7; effluent of the biochemical treatment system 4 automatically flows into a sedimentation tank 5, sedimentation separation of sludge and wastewater is realized in the sedimentation tank 5, and the treated wastewater is discharged through overflow of the sedimentation tank 5. The sludge at the bottom of the sedimentation tank 5 flows back to the front end of the biochemical treatment system 4 through a sludge return pump 9 to keep the biomass in the biochemical treatment system 4; the sludge pump 10 discharges the sludge proliferated in the process of treating pollutants by the biochemical treatment system 4, and the shedding of the biological film and the carrier in the sludge is realized under the high-speed shearing action by the sludge shearing machine 11. The sludge treated by the sludge shearing machine 11 enters a cyclone separator 12, the separation of the biological membrane and the carrier is realized by adopting a centrifugal separation principle according to the density difference between the fallen biological membrane and the carrier, the separated carrier flows back to the front end of the biochemical treatment system 4 and is used for maintaining the concentration of the carrier in the biochemical treatment system 4, a good condition is created for the proliferation and adhesion of microorganisms, and the separated biological membrane enters a sludge dewatering system 13 for further dewatering treatment. After the treatment of the embodiment, the COD of the effluent is about 60mg/L, the ammonia nitrogen is about 2mg/L, the total nitrogen is about 10mg/L, and the chroma is about 20 times.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (9)
1. The biological synergistic biochemical treatment system for industrial wastewater is characterized in that: the culture medium comprises a regulating tank (1), a pretreatment system (3), a biochemical treatment system (4), a sedimentation tank (5), a strain expanding and culturing dosing system (6), a nutrient dosing system (7), a carrier dosing system (8), a sludge shearing machine (11), a cyclone separator (12) and a sludge dewatering system (13), wherein the regulating tank (1), the pretreatment system (3), the biochemical treatment system (4) and the sedimentation tank (5) are sequentially connected, the strain expanding and culturing dosing system (6), the nutrient dosing system (7) and the carrier dosing system (8) are all connected with the biochemical treatment system (4), a sludge outlet of the sedimentation tank (5) is connected with the sludge shearing machine (11), the sludge shearing machine (11) is connected with the cyclone separator (12), and two outlets of the cyclone separator (12) are respectively connected with the biochemical treatment system (4) and the sludge dewatering system The system (13) is connected.
2. The biological synergistic biochemical treatment system for industrial wastewater according to claim 1, characterized in that: the pretreatment system (3) is formed by connecting one or more of an electric flocculation device, an ozone catalytic oxidation device, an iron-carbon micro-electrolysis device, a Fenton oxidation device and a flocculation precipitation device in series.
3. The biological synergistic biochemical treatment system for industrial wastewater according to claim 2, characterized in that: the pretreatment system (3) comprises an iron-carbon micro-electrolysis device and a Fenton oxidation device, wherein the iron-carbon micro-electrolysis device is connected with the Fenton oxidation device in series.
4. The biological synergistic biochemical treatment system for industrial wastewater according to claim 2, characterized in that: the pretreatment system (3) comprises a flocculation precipitation device and an ozone catalytic oxidation device, wherein the flocculation precipitation device is connected with the ozone catalytic oxidation device in series.
5. The biological synergistic biochemical treatment system for industrial wastewater according to claim 2, characterized in that: the pretreatment system (3) comprises an electric flocculation device and a Fenton oxidation device, wherein the electric flocculation device is connected with the Fenton oxidation device in series.
6. The biological synergistic biochemical treatment system for industrial wastewater according to claim 2, characterized in that: the biochemical treatment system (4) is an A/O biochemical tank or an SBR tank or a CASS tank.
7. The biological synergistic biochemical treatment system for industrial wastewater according to claim 1, characterized in that: the sedimentation tank (5) is a horizontal flow sedimentation tank or a radial flow sedimentation tank or an inclined tube sedimentation tank.
8. The biological synergistic biochemical treatment system for industrial wastewater according to any one of claims 1 to 7, characterized in that: the adjusting tank (1) is connected with the pretreatment system (3) through a lifting pump (2).
9. The biological synergistic biochemical treatment system for industrial wastewater according to any one of claims 1 to 7, characterized in that: the sludge outlet of the sedimentation tank (5) is connected with the biochemical treatment system (4) through a sludge reflux pump (9), and the sludge outlet of the sedimentation tank (5) is connected with a sludge shearing machine (11) through a sludge discharge pump (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921364221.1U CN210559942U (en) | 2019-08-21 | 2019-08-21 | Biochemical processing system of industrial waste water biological increase |
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| CN201921364221.1U CN210559942U (en) | 2019-08-21 | 2019-08-21 | Biochemical processing system of industrial waste water biological increase |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113603233A (en) * | 2021-08-13 | 2021-11-05 | 山东省资源环境建设集团有限公司 | Rapid conditioning and efficiency increasing device and method for industrial wastewater biochemical treatment system |
| CN115572014A (en) * | 2022-10-27 | 2023-01-06 | 大连爱德摩设备制造有限公司 | On-line strengthening treatment method and system for microorganisms in refractory sewage |
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2019
- 2019-08-21 CN CN201921364221.1U patent/CN210559942U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113603233A (en) * | 2021-08-13 | 2021-11-05 | 山东省资源环境建设集团有限公司 | Rapid conditioning and efficiency increasing device and method for industrial wastewater biochemical treatment system |
| CN115572014A (en) * | 2022-10-27 | 2023-01-06 | 大连爱德摩设备制造有限公司 | On-line strengthening treatment method and system for microorganisms in refractory sewage |
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