CN105060623A - Double-sludge sewage treating method based on coupling of production of hydrogen and acetic acid and hydrogenotrophic denitrification - Google Patents
Double-sludge sewage treating method based on coupling of production of hydrogen and acetic acid and hydrogenotrophic denitrification Download PDFInfo
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- CN105060623A CN105060623A CN201510449843.4A CN201510449843A CN105060623A CN 105060623 A CN105060623 A CN 105060623A CN 201510449843 A CN201510449843 A CN 201510449843A CN 105060623 A CN105060623 A CN 105060623A
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- denitrification
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- acetogenesis
- sludge
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- 238000000034 method Methods 0.000 title claims abstract description 53
- 239000010802 sludge Substances 0.000 title claims abstract description 32
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 28
- 239000010865 sewage Substances 0.000 title claims abstract description 20
- 238000010168 coupling process Methods 0.000 title claims abstract description 14
- 230000008878 coupling Effects 0.000 title claims abstract description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims description 20
- 229910052739 hydrogen Inorganic materials 0.000 title claims description 20
- 239000001257 hydrogen Substances 0.000 title claims description 20
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 title abstract description 26
- 238000004519 manufacturing process Methods 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000008569 process Effects 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000004062 sedimentation Methods 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 239000006228 supernatant Substances 0.000 claims abstract description 10
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 238000001556 precipitation Methods 0.000 claims description 15
- 230000001651 autotrophic effect Effects 0.000 claims description 14
- 238000010992 reflux Methods 0.000 claims description 11
- 230000008030 elimination Effects 0.000 claims description 10
- 238000003379 elimination reaction Methods 0.000 claims description 10
- 239000002351 wastewater Substances 0.000 claims description 5
- 229910002651 NO3 Inorganic materials 0.000 claims description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 10
- 230000029087 digestion Effects 0.000 abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 4
- 239000011574 phosphorus Substances 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- AKVPUSMVWHWDGW-UHFFFAOYSA-N [C].[N].[P] Chemical compound [C].[N].[P] AKVPUSMVWHWDGW-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 abstract 1
- 239000004576 sand Substances 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 241000894006 Bacteria Species 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000002906 microbiologic effect Effects 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 2
- 230000000789 acetogenic effect Effects 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 150000004666 short chain fatty acids Chemical class 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 230000002053 acidogenic effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000031068 symbiosis, encompassing mutualism through parasitism Effects 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention relates to a method for removing pollution substances like nitrogen and phosphorus in sewage in shortage of a carbon source and provides a double-sludge sewage carbon-nitrogen-phosphorus removal method based on a hydrogen-acetic acid production/hydrogenotrophic denitrification coupling mechanism and used for treating municipal sewage. The method provided by the invention overcomes the problems of difficult collection of gas and poor digestion efficiency when anaerobic digestion is used as pretreatment process and provides a high-quality carbon source acetic acid for subsequent nitrogen and phosphorus removal process. The method comprises the following main steps that: sewage having been treated in a sand basin enters a hydrogen-acetic acid production/hydrogenotrophic denitrification coupling reaction tank and process effluent flows back to the coupling reaction tank; the sewage enters a primary sedimentation basin for solid-liquid separation after reaction, and concentrated sludge flows back to the coupling reaction tank; supernatant of the primary sedimentation basin enters a subsequent anaerobic/anoxic/aerobic activated sludge reaction tank for synchronous removal of nitrogen and phosphorus; and mixed liquor obtained after reaction enters a secondary sedimentation basin for solid-liquid separation, wherein obtained supernatant is treated water, and obtained concentration sludge flows back to the anaerobic/anoxic/aerobic activated sludge reaction tank.
Description
Technical field
The present invention relates to a kind of method of wastewater treatment, be specifically related to the minimizing technology of the pollution substance such as nitrogen, phosphorus in the sewage of carbon source shortage.
Background technology
20 century 70s, the outburst of global energy dilemma, Anaerobic Microbiological Treatment Technology is used widely owing to having the advantages such as less energy-consumption, floor space are little.In May, 1997, in the 8th the international anaerobic digestion symposial that Japanese celestial platform is held, the achievement in research of Anaerobic Microbiological Treatment Technology acquired by Treating Municipal Sewage is noticeable.Professor Lettinga asserts: if there is suitable post-treating method, Anaerobic Microbiological Treatment Technology can become the effective means of dispersion type domestic wastewater process.Along with the increasingly extensive application of Anaerobic Microbiological Treatment Technology, aftertreatment aerobic reactor water outlet containing nitrate nitrogen is directly back to the anaerobic reactor of front end by investigator, achieve anaerobic methane production and denitrifying coupling, reach the object of carbon elimination denitrogenation simultaneously.But because the municipal effluent water yield is large, pollutant concentration is low, water temperature is low, anaerobic methane production and denitrification coupling process is adopted to remove carbon and nitrogen, the methane produced not easily collecting and anaerobic digestion efficiency is poor, this popularization degree that will cause Anaerobic Methods in Treating in municipal sewage treatment is not enough.
A large amount of experimental studies and engineering practice show, acetic acid is the high-quality carbon source of most of microorganism in biological treatment of waste water system, if anaerobic reactor acetic acid producing rate can be improved, both the consumption of anaerobism section carbon source can have been made to reduce, improve de-single treatment effect of low carbon-nitrogen ratio sewage, can methane emission be reduced again, reduce Greenhouse effect.
Anaerobic digestion process is divided into 3 stages under normal circumstances, hydrogenesis and acetogenesis process be wherein by acidogenic fermentation stage two carbon more than organic acid (except acetic acid) and alcohol be converted into acetic acid, H
2, CO
2deng, and produce the process of new cellular material.The bacterium participating in hydrogenesis and acetogenesis process is hydrogen-producing acetogenic bacteria (H
2-producingacetogens, HPA).At the standard conditions, the reaction of hydrogen-producing acetogenic bacteria degraded short chain fatty acid spontaneously can not carry out (Δ G
o>0).Therefore, for improving acetic acid producing rate, one thermodynamically next " pulling " non-incident hydrogenesis and acetogenesis process in theory of incidental reaction must be utilized.
Summary of the invention
The object of the invention is the energy consumption in order to reduce wastewater treatment, improving the utilization of carbon source rate of low carbon-nitrogen ratio sewage, and a kind of two dirt water carbon elimination denitrification dephosphorization technique methods based on hydrogenesis and acetogenesis/hydrogen autotrophic denitrification coupling mechanism of exploitation.
The method that the carbon nitrogen phosphorus of low ratio of carbon to ammonium municipal effluent is removed simultaneously realizes according to the following steps: the waste water 1. from municipal drainage pipe network enters hydrogenesis and acetogenesis/denitrification coupling reaction pond after settling pit process, second-level settling pond water outlet simultaneously and first stage precipitation tank thickened sludge are back to this pond respectively, and reflux ratio is 1; The hydraulic detention time in this pond is 4 ~ 6h, and adopting hydraulic method to control sludge age is 15 ~ 20d; 2. the water outlet of coupling reaction pond enters first stage precipitation tank and carries out solid-liquid separation, and the sedimentation time of first stage precipitation tank is 2 ~ 3h; 3. first stage precipitation tank supernatant water enters follow-up anaerobic/anoxic/aerobic activated sludge reaction tank, the thickened sludge of second-level settling pond is back to the anaerobism section in this pond simultaneously, reflux ratio is 0.5 ~ 1, the total hrt in this pond is 8 ~ 10h, nitrification liquid nitrate recirculation ratio is 1 ~ 3, and adopting hydraulic method to control sludge age is 10 ~ 12d; 4. anaerobic/anoxic/aerobic activated sludge reaction tank water outlet enters second-level settling pond and carries out solid-liquid separation, and sedimentation time is 3 ~ 4h, and supernatant water discharges, and completes sewage treatment process.
inventive principle and advantage
In normal conditions, the reaction of hydrogen-producing acetogens degraded short chain fatty acid can not spontaneously be carried out mostly, as the Δ G of ethanol of degrading
0for the Δ G of+9.6kJ/mol, degraded butyric acid
0for the Δ G of+48.1kJ/mol, degraded propionic acid
0for+76.1kJ/mol, therefore needing just can complete metabolic process with hydrogen-consuming bacteria syntrophism symbiosis (as consumed producing hydrogen and methane bacterium), namely only having as H in system
2when pressure is enough low, the pressure as hydrogen is 10
-6during individual normal atmosphere, the Gibbs free energy of hydrogenesis and acetogenesis reaction process will change.And hydrogen autotrophic denitrification bacterium denitrification process Δ G
0for-224kJ/mol.According to the standard Gibbs free energy of reaction process, the denitrification process of hydrogen autotrophic denitrification bacterium " can pull " hydrogenesis and acetogenesis process, and two kinds of floras can syntrophism growth.Therefore, reflux in anaerobic acid-production reaction tank nitrated after waste water, the system that hydrogenesis and acetogenesis and hydrogen autotrophic denitrification are collaborative can be formed, while denitrogenation, achieve the de-carbon in process, and improve acetic acid producing rate, take full advantage of carbon source limited in municipal wastewater.
Accompanying drawing explanation
Fig. 1 is the two dirt mud carbon elimination denitrification dephosphorization technique schematic flow sheets based on hydrogenesis and acetogenesis/hydrogen autotrophic denitrification coupling mechanism.1 is water inlet, and 2 is hydrogenesis and acetogenesis/hydrogen autotrophic denitrification coupling reaction pond, and 3 is first stage precipitation tank, 4 is anaerobic pond, and 5 is anoxic pond, and 6 is Aerobic Pond, 7 is second-level settling pond, 8 is coupled reactor sludge reflux, and 9 is synchronous denitrification dephosphorizing reaction tank sludge reflux, and 10 is effluent recycling, 11 is the backflow of Aerobic Pond nitrification liquid, 12 is water outlet, and 13 is coupling reaction pond excess sludge, and 14 is synchronous denitrification dephosphorizing reaction tank excess sludge.
Embodiment
Embodiment one: present embodiment is the two dirt water carbon elimination denitrification dephosphorization technique methods based on hydrogenesis and acetogenesis/hydrogen autotrophic denitrification coupling mechanism, specifically complete according to the following steps: the waste water 1. from municipal drainage pipe network enters hydrogenesis and acetogenesis/denitrification coupling reaction pond after settling pit process, second-level settling pond water outlet simultaneously and first stage precipitation tank thickened sludge are back to this pond respectively, and reflux ratio is 0.5 ~ 1.5; The hydraulic detention time in this pond is 4 ~ 6h, and adopting hydraulic method to control sludge age is 15 ~ 20d; 2. the water outlet of coupling reaction pond enters first stage precipitation tank and carries out solid-liquid separation, and the sedimentation time of first stage precipitation tank is 2 ~ 3h; 3. first stage precipitation tank supernatant water enters follow-up anaerobic/anoxic/aerobic activated sludge reaction tank, the thickened sludge of second-level settling pond is back to the anaerobism section in this pond simultaneously, reflux ratio is 0.5 ~ 1, the total hrt in this pond is 8 ~ 10h, nitrification liquid nitrate recirculation ratio is 1 ~ 3, and adopting hydraulic method to control sludge age is 10 ~ 12d; 4. anaerobic/anoxic/aerobic activated sludge reaction tank water outlet enters second-level settling pond and carries out solid-liquid separation, and sedimentation time is 3 ~ 4h, and supernatant water discharges, and completes sewage treatment process.
Embodiment two: the difference of present embodiment and embodiment one be step 1. in hydrogenesis and acetogenesis/denitrification coupling reaction tank waterpower residence time be 5h, other are identical with embodiment one.
Embodiment three: the difference of present embodiment and embodiment one or two be step 1. in hydrogenesis and acetogenesis/denitrification coupling reaction pond sludge age be 18d, other are identical with embodiment one or two.
Embodiment four: the difference of present embodiment and embodiment one to three be step 1. return sludge ratio be 1, other are identical with embodiment one to three.
Embodiment five: the difference of present embodiment and embodiment one to four be step 1. in second-level settling pond supernatant liquor reflux ratio be 1, other are identical with embodiment one to four.
Embodiment six: the difference of present embodiment and embodiment one to five be step 2. in the sedimentation time of first stage precipitation tank be 2.5h, other are identical with embodiment one to five.
Claims (6)
1. the method based on two mud carbon elimination denitrification dephosphorization technique Treating Municipal Sewage of hydrogenesis and acetogenesis/hydrogen autotrophic denitrification coupling mechanism, it is characterized in that described method comprises the steps: 1. after settling pit process, to enter hydrogenesis and acetogenesis/denitrification coupling reaction pond from the waste water of municipal drainage pipe network, second-level settling pond water outlet simultaneously and first stage precipitation tank thickened sludge are back to this pond respectively, and reflux ratio is 0.5 ~ 1.5; The hydraulic detention time in this pond is 4 ~ 6h, and adopting hydraulic method to control sludge age is 15 ~ 20d; 2. the water outlet of coupling reaction pond enters first stage precipitation tank and carries out solid-liquid separation, and the sedimentation time of first stage precipitation tank is 2 ~ 3h; 3. first stage precipitation tank supernatant water enters follow-up anaerobic/anoxic/aerobic activated sludge reaction tank, the thickened sludge of second-level settling pond is back to the anaerobism section in this pond simultaneously, reflux ratio is 0.5 ~ 1, the total hrt in this pond is 8 ~ 10h, nitrification liquid nitrate recirculation ratio is 1 ~ 3, and adopting hydraulic method to control sludge age is 10 ~ 12d; 4. anaerobic/anoxic/aerobic activated sludge reaction tank water outlet enters second-level settling pond and carries out solid-liquid separation, and sedimentation time is 3 ~ 4h, and supernatant water discharges, and completes sewage treatment process.
2. the method for the two mud carbon elimination denitrification dephosphorization technique Treating Municipal Sewage based on hydrogenesis and acetogenesis/hydrogen autotrophic denitrification coupling mechanism according to claim 1, is characterized in that: step 1. in hydrogenesis and acetogenesis/denitrification coupling reaction tank waterpower residence time be 5h.
3. the method for the two mud carbon elimination denitrification dephosphorization technique Treating Municipal Sewage based on hydrogenesis and acetogenesis/hydrogen autotrophic denitrification coupling mechanism according to claim 1, is characterized in that: step 1. in hydrogenesis and acetogenesis/denitrification coupling reaction pond sludge age be 18d.
4. the method for the two mud carbon elimination denitrification dephosphorization technique Treating Municipal Sewage based on hydrogenesis and acetogenesis/hydrogen autotrophic denitrification coupling mechanism according to claim 1, is characterized in that: step 1. return sludge ratio is 1.
5. the method for the two mud carbon elimination denitrification dephosphorization technique Treating Municipal Sewage based on hydrogenesis and acetogenesis/hydrogen autotrophic denitrification coupling mechanism according to claim 1, is characterized in that: step 1. middle second-level settling pond supernatant liquor reflux ratio is 1.
6. the method for the two mud carbon elimination denitrification dephosphorization technique Treating Municipal Sewage based on hydrogenesis and acetogenesis/hydrogen autotrophic denitrification coupling mechanism according to claim 1, is characterized in that: step 2. in the sedimentation time of first stage precipitation tank be 2.5h.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906052A (en) * | 2016-06-08 | 2016-08-31 | 广东省工程技术研究所 | Coupling anaerobic sludge acidogenesis mud-film two-phase composite A/A/O system and technology |
| CN111925077A (en) * | 2020-09-09 | 2020-11-13 | 北京涞澈科技发展有限公司 | Distributed domestic sewage integrated treatment system and process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009099209A1 (en) * | 2008-02-08 | 2009-08-13 | Mitsubishi Heavy Industries, Ltd. | Apparatus and method for treatment of radioactive nitrate salt liquid waste |
| CN102276061A (en) * | 2011-05-18 | 2011-12-14 | 贾立敏 | Hydrolysis and denitrification system and method |
| CN103332786A (en) * | 2013-08-01 | 2013-10-02 | 同济大学 | Method for simultaneous acid production and denitrification in situ biological nitrogen removal from alcohol wastewater |
| JP5391010B2 (en) * | 2009-09-18 | 2014-01-15 | 中国電力株式会社 | Operation method of denitrification reactor |
| CN103663867A (en) * | 2013-12-02 | 2014-03-26 | 北京工业大学 | Device and method of residual sludge alkaline fermentation and inner carbon source development technology coupled with A-A-O nitrogen and phosphorous removal system |
| CN104118971A (en) * | 2014-08-12 | 2014-10-29 | 刘智晓 | Method for strengthening nitrogen and phosphorus removal by using hydrolysis and fermentation of mixed sludge of sewage plant |
-
2015
- 2015-07-29 CN CN201510449843.4A patent/CN105060623B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009099209A1 (en) * | 2008-02-08 | 2009-08-13 | Mitsubishi Heavy Industries, Ltd. | Apparatus and method for treatment of radioactive nitrate salt liquid waste |
| JP5391010B2 (en) * | 2009-09-18 | 2014-01-15 | 中国電力株式会社 | Operation method of denitrification reactor |
| CN102276061A (en) * | 2011-05-18 | 2011-12-14 | 贾立敏 | Hydrolysis and denitrification system and method |
| CN103332786A (en) * | 2013-08-01 | 2013-10-02 | 同济大学 | Method for simultaneous acid production and denitrification in situ biological nitrogen removal from alcohol wastewater |
| CN103663867A (en) * | 2013-12-02 | 2014-03-26 | 北京工业大学 | Device and method of residual sludge alkaline fermentation and inner carbon source development technology coupled with A-A-O nitrogen and phosphorous removal system |
| CN104118971A (en) * | 2014-08-12 | 2014-10-29 | 刘智晓 | Method for strengthening nitrogen and phosphorus removal by using hydrolysis and fermentation of mixed sludge of sewage plant |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906052A (en) * | 2016-06-08 | 2016-08-31 | 广东省工程技术研究所 | Coupling anaerobic sludge acidogenesis mud-film two-phase composite A/A/O system and technology |
| CN111925077A (en) * | 2020-09-09 | 2020-11-13 | 北京涞澈科技发展有限公司 | Distributed domestic sewage integrated treatment system and process |
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