CN104230109A - System and method for treating high-organic-matter-content high-ammonia-nitrogen wastewater by UASB/A/MBBR (upflow anaerobic sludge blanket/anoxic/moving bed biofilm reactor) combined chemical process - Google Patents
System and method for treating high-organic-matter-content high-ammonia-nitrogen wastewater by UASB/A/MBBR (upflow anaerobic sludge blanket/anoxic/moving bed biofilm reactor) combined chemical process Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 239000010802 sludge Substances 0.000 title claims abstract description 41
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 title claims abstract 23
- 238000001311 chemical methods and process Methods 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000000126 substance Substances 0.000 claims abstract description 46
- 230000008569 process Effects 0.000 claims abstract description 15
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 claims abstract 29
- 238000004062 sedimentation Methods 0.000 claims abstract 21
- 239000005416 organic matter Substances 0.000 claims abstract 13
- 239000006228 supernatant Substances 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 241000894006 Bacteria Species 0.000 claims description 5
- MXZRMHIULZDAKC-UHFFFAOYSA-L ammonium magnesium phosphate Chemical compound [NH4+].[Mg+2].[O-]P([O-])([O-])=O MXZRMHIULZDAKC-UHFFFAOYSA-L 0.000 claims description 4
- 238000007667 floating Methods 0.000 claims description 4
- 244000005700 microbiome Species 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 4
- 238000005273 aeration Methods 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims 3
- 230000001105 regulatory effect Effects 0.000 claims 3
- 239000007787 solid Substances 0.000 claims 2
- 230000001546 nitrifying effect Effects 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- 241001148471 unidentified anaerobic bacterium Species 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004065 wastewater treatment Methods 0.000 abstract description 6
- 238000000746 purification Methods 0.000 abstract description 4
- 239000010842 industrial wastewater Substances 0.000 abstract description 2
- 230000008929 regeneration Effects 0.000 abstract description 2
- 238000011069 regeneration method Methods 0.000 abstract description 2
- 238000009388 chemical precipitation Methods 0.000 description 20
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- 230000001376 precipitating effect Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 5
- 238000011068 loading method Methods 0.000 description 5
- 241000108664 Nitrobacteria Species 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
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- 230000031018 biological processes and functions Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
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- 229910052567 struvite Inorganic materials 0.000 description 3
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- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000002906 microbiologic effect Effects 0.000 description 2
- 238000009790 rate-determining step (RDS) Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
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- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
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- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
UASB/A/MBBR结合化学法处理高有机物高氨氮废水的系统和方法，本发明属于工业废水处理与再生领域，它为了解决现有处理高有机物、高氨氮废水的净化效果不理想的问题。本发明废水处理系统包括UASB反应器、缺氧池、MBBR反应器、沉淀池、中沉池和化学沉淀池，MBBR反应器后接缺氧池，缺氧池的出水一部分进入MBBR反应器，另一部分出水进入中沉池，中沉池沉淀的污泥再回流至MBBR反应器。本发明采用厌氧好氧相结合的处理方法，将MBBR厌氧生物处理设备置于工艺的前端，废水经厌氧处理后生化性提高，后续的好氧生物处理进一步去除水中的有机物，经本发明处理的废水中COD和氨氮去除率均能够达到95％以上。
A system and method for UASB/A/MBBR combined with chemical methods to treat wastewater with high organic matter and high ammonia nitrogen. The invention belongs to the field of industrial wastewater treatment and regeneration. It aims to solve the problem that the purification effect of wastewater with high organic matter and high ammonia nitrogen is not ideal. The waste water treatment system of the present invention comprises UASB reactor, anoxic tank, MBBR reactor, settling tank, medium settling tank and chemical settling tank, and MBBR reactor is connected with anoxic tank, and part of the effluent of anoxic tank enters MBBR reactor, and another Part of the effluent enters the intermediate sedimentation tank, and the sludge deposited in the intermediate sedimentation tank is returned to the MBBR reactor. The present invention adopts the combined anaerobic and aerobic treatment method, places the MBBR anaerobic biological treatment equipment at the front end of the process, the biochemical properties of the wastewater are improved after anaerobic treatment, and the subsequent aerobic biological treatment further removes organic matter in the water. The removal rate of COD and ammonia nitrogen in the wastewater treated by the invention can reach more than 95%.
Description
Technical field
The invention belongs to Industrial Wastewater Treatment and regeneration field, specifically for the low cost of high organism, high ammonia-nitrogen wastewater, high-level efficiency treatment system and processing method.
Background technology
Along with China's rapid development of economy, chemical industry and related industries are day by day prosperous, and high organism, high ammonia-nitrogen wastewater increase gradually, constitute serious threat to the health of the mankind.High organism, high ammonia-nitrogen wastewater are extensively present in food-processing industry, are characterized in complicated component, not only containing raw materials for production, also containing many side reaction products.Organic content is high, and wherein COD content is generally at more than 2000mg/L, and ammonia nitrogen concentration is at hundreds of milligrams per liter.A large amount of discharges of high organism, high ammonia-nitrogen wastewater, can cause receive water quality degenerate, water body blackout smelly, not only make water body lose use value, more have a strong impact on the eubiosis and human health.And some synthetic macromolecule organism are wherein difficult to be biodegradable, and easily accumulate in the environment, produce serious toxic action to biology.
Traditional biological treatment process or employing Anaerobic Microbiological Treatment Technology, or adopt easy-to-keep biological treatment technology.Although Anaerobic Microbiological Treatment Technology has the advantages such as energy consumption is low, sludge age is little, after anaerobic biological treatment, effluent quality is poor, and single anaerobic biological treatment effluent quality is difficult to reach emission standard.And anaerobic biodegradation speed is lower under cold condition, capacity of resisting impact load is low.The problems such as high organism, high ammonia-nitrogen wastewater, single aerobic treatment technology wants normal operation, must ensure normal organic loading and hydraulic load, and this will inevitably cause again structures volume large, and aeration rate is large, and sludge yield is many, and working cost is high.
Summary of the invention
The object of the invention is to solve the undesirable problem of the decontamination effect improving of system and method for the high organism of existing process, high ammonia-nitrogen wastewater, and provide UASB/A/MBBR in conjunction with the system and method for chemical Treatment height organism high ammonia-nitrogen wastewater.
UASB/A/MBBR of the present invention comprises UASB (upflow anaerobic sludge blanket process) reactor in conjunction with the system of chemical Treatment height organism high ammonia-nitrogen wastewater, anoxic pond (A), MBBR reactor (MBBR), settling tank, medium sediment pool and chemical precipitation pond, equalizing tank is communicated with the water-in being positioned at UASB reactor bottom by a water pipe, top in UASB reactor is provided with triphase separator, the water outlet being positioned at UASB reactor top is communicated with the first water-in of anoxic pond by No. two water pipes, the water outlet on anoxic pond top is connected to the water-in at medium sediment pool top by No. three water pipes, the water outlet of medium sediment pool is connected with the water-in in chemical precipitation pond, the water outlet in chemical precipitation pond is connected with the second water-in of MBBR reactor by No. six water pipes, one end of No. four water pipes communicates with No. three water pipes, the other end of No. four water pipes is communicated on the first water-in of MBBR reactor bottom, the water outlet on MBBR reactor top is communicated with the water-in at settling tank top by No. five water pipes, the water outlet being positioned at settling tank top is connected with rising pipe, one end of return line communicates with No. five water pipes, the other end of return line is connected on the second water-in of anoxic pond, the mud discharging mouth be positioned at bottom medium sediment pool is communicated with the mud inlet of MBBR reactor bottom by a shore pipe, the mud discharging mouth be positioned at bottom settling tank is connected with the mud inlet of anoxic pond by No. two shore pipes, excess sludge relief outlet is had in No. two shore pipes, spoil disposal passage is provided with bottom chemical precipitation pond, aerating apparatus is provided with in MBBR reactor.
UASB/A/MBBR of the present invention realizes according to the following steps in conjunction with the method for chemical Treatment height organism high ammonia-nitrogen wastewater:
One, the suspended substance in pre-treatment removal water and the waste water of floating matter enter equalizing tank;
Two, first the waste water flowed out from equalizing tank enter UASB reactor, and in UASB reactor, anerobe is degraded to organism, and the biogas simultaneously generated is discharged from UASB reactor;
Three, the waste water after UASB reactor for treatment enters anoxic pond with the nitrification liquid refluxed from MBBR reactor and after the returnedactivatedsludge that settling tank is discharged mixes, in anoxic pond, the organism after denitrifying bacterium utilizes UASB reactor for treatment in waste water carries out denitrification denitrogenation;
Four, a part of waste water flowed out from anoxic pond enters MBBR reactor, completes organic removal and nitrification by the microorganism of the suspension growth that exists in MBBR reactor and apposition growth;
Enter medium sediment pool from another part waste water of anoxic pond outflow and carry out mud-water separation, the precipitating sludge separated is back to MBBR reactor, and the supernatant liquor separated then enters chemical precipitation pond, in chemical precipitation pond, add MgCl
26H
2o and NaHPO
412H
2o also stirs, by the NH in waste water
4 +reaction generates magnesium ammonium phosphate sediment thing, and the supernatant liquor after staticly settling is back to MBBR reactor, precipitates the chemical sludge obtained and discharges;
Five, the waste water after MBBR reactor for treatment enters settling tank and carries out mud-water separation, the hydraulic detention time controlled in settling tank is 2h ~ 3h, isolated supernatant liquor is discharged as water purification, isolated a part of precipitating sludge is back to anoxic pond as returnedactivatedsludge, isolated another part precipitating sludge, as excess sludge discharge, completes the process of UASB/A/MBBR in conjunction with chemical Treatment height organism high ammonia-nitrogen wastewater.
The bioremediation that the present invention adopts anaerobic-aerobic to combine, anaerobic biological treatment is placed in the front end of technique, high organism, high ammonia-nitrogen wastewater are after anaerobic treatment, biodegradability improves, follow-up Aerobic biological process then can remove the organism in water further, play the object of deep purifying water quality, achieve the low-cost high-efficiency purifying treatment of high organism (COD2000 ~ 3000mg/L), high ammonia nitrogen (ammonia nitrogen 250 ~ 500mg/L) waste water.
Chemical precipitation method is coupling in biological treatment system, part high ammonia-nitrogen wastewater is processed, the influent ammonium concentration of MBBR reactor is reduced, solve high-concentration ammonia-nitrogen to the active suppression problem of nitrobacteria.
UASB/A/MBBR of the present invention comprises following advantage in conjunction with chemical Treatment height organism high ammonia-nitrogen wastewater:
1, anaerobism and aerobic combination technique is adopted.First, not easily biodegradable larger molecular organics can be degraded to biodegradable small organic molecule by anerobe, improves the biodegradability of waste water, and the biogas simultaneously producing calorific value higher is utilized as the energy.Aerobic system then then purifies water further, ensures effluent quality.
2, secondly, the biogas that anaerobic reactor produces can be used for the electric energy that the stirring in anoxic pond and chemical precipitation pond and Aerobic Pond aeration consume, and saves the energy consumption for the treatment of processes.
3, the employing of easy-to-keep biological treatment system MBBR reactor makes poky nitrobacteria can be retained in reactive system, improves the nitrification efficiency of system.
4, the organic waste water after anaerobic treatment contains easy degradation of small molecular organism, is easily utilized by denitrifying bacterium and carry out denitrogenation after entering anoxic pond.
5, a high-concentration ammonia nitrogenous wastewater part carries out chemical treatment removal ammonia nitrogen, enters MBBR reactor, reduces the ammonia nitrogen loading of system, ensure effluent quality through chemically treated waste water after mixing without chemically treated waste water.Also weaken the nitrobacteria activity inhibition of high-concentration ammonia-nitrogen to biological treatment system simultaneously.
6, the chemical sludge that chemical treating process produces processes further and can obtain available compound manure, achieves the recycling of being turned waste into wealth by ammonia nitrogen in sewage.
The part of contaminated water of 7, drawing from anoxic pond is introduced into medium sediment pool precipitation, and precipitating sludge is back to follow-up MBBR reactor, ensure that the microbial biomass of system, avoids the sludge loss in system.
8, oxygen-starved area is due to the existence of denitrification, makes its water outlet pH value near weakly alkaline, after chemical precipitation pond is placed in anoxic pond, meets the weak basic condition that chemical precipitation method removes ammonia nitrogen.
Accompanying drawing explanation
Fig. 1 is the operation logic figure of UASB/A/MBBR of the present invention in conjunction with the system of chemical Treatment height organism high ammonia-nitrogen wastewater, and the solid line wherein with arrow is the traffic direction of waste water, and the dotted line with arrow is the traffic direction of mud;
Fig. 2 is the COD removal effect figure of embodiment one UASB/A/MBBR in conjunction with chemical Treatment height organism high ammonia-nitrogen wastewater;
Fig. 3 is the ammonia nitrogen removal design sketch of embodiment one UASB/A/MBBR in conjunction with chemical Treatment height organism high ammonia-nitrogen wastewater.
Embodiment
Embodiment one: present embodiment UASB/A/MBBR comprises UASB reactor 2 in conjunction with the system of chemical Treatment height organism high ammonia-nitrogen wastewater, anoxic pond 3, MBBR reactor 4, settling tank 7, medium sediment pool 5 and chemical precipitation pond 6, equalizing tank 1 is communicated with the water-in be positioned at bottom UASB reactor 2 by a water pipe 11, top in UASB reactor 2 is provided with triphase separator 2-1, the water outlet being positioned at UASB reactor 2 top is communicated with the first water-in of anoxic pond 3 by No. two water pipes 12, the water outlet on anoxic pond 3 top is connected to the water-in at medium sediment pool 5 top by No. three water pipes 13, the water outlet of medium sediment pool 5 is connected with the water-in in chemical precipitation pond 6, the water outlet in chemical precipitation pond 6 is connected with the second water-in of MBBR reactor 4 by No. six water pipes 16, one end of No. four water pipes 14 communicates with No. three water pipes 13, the other end of No. four water pipes 14 is communicated on the first water-in bottom MBBR reactor 4, the water outlet on MBBR reactor 4 top is communicated by the water-in of No. five water pipes 15 with settling tank 7 top, the water outlet being positioned at settling tank 7 top is connected with rising pipe, one end of return line 17 communicates with No. five water pipes 15, the other end of return line 17 is connected on the second water-in of anoxic pond 3, the mud discharging mouth be positioned at bottom medium sediment pool 5 is communicated with the mud inlet bottom MBBR reactor 4 by a shore pipe 21, the mud discharging mouth be positioned at bottom settling tank 7 is connected with the mud inlet of anoxic pond 3 by No. two shore pipes 22, excess sludge relief outlet is had in No. two shore pipes 22, spoil disposal passage is provided with bottom chemical precipitation pond 6, aerating apparatus is provided with in MBBR reactor 4.
Biological wastewater treatment technology is a kind of method of wastewater treatment of economy, but the organic loading that biological processing unit can bear is limited.The ammonia nitrogen of high density can produce restraining effect to the activity of nitrobacteria.Adopt chemical precipitation method to combine with biological nitration in present embodiment and purifying treatment is carried out to ammonia nitrogen in high density, not only economy but also efficient.
Remove organism in water and ammonia nitrogen further by Aerobic biological process, serve the effect purified water further.Anaerobic biological treatment is organically combined with Aerobic biological process high organism, high ammonia-nitrogen wastewater are processed, give full play to respective advantage, achieve the low-cost high-efficiency purifying treatment of high organism, high ammonia-nitrogen wastewater.
Embodiment two: present embodiment and embodiment one are provided with whipping appts unlike in anoxic pond 3 and chemical precipitation pond 6.
Embodiment three: present embodiment and embodiment one or two are provided with nitrification liquid reflux pump unlike in return line 17, is provided with sludge reflux pump in a shore pipe 21 and No. two shore pipes 22.
Embodiment four: present embodiment UASB/A/MBBR implements according to the following steps in conjunction with the method for chemical Treatment height organism high ammonia-nitrogen wastewater:
One, the suspended substance in pre-treatment removal water and the waste water of floating matter enter equalizing tank 1;
Two, first the waste water flowed out from equalizing tank 1 enter UASB reactor 2, and in UASB reactor 2, anerobe is degraded to organism, and the biogas simultaneously generated is discharged from UASB reactor 2;
Three, the waste water after UASB reactor 2 processes enters anoxic pond 3 with the nitrification liquid refluxed from MBBR reactor 4 and after the returnedactivatedsludge that settling tank 7 is discharged mixes, in anoxic pond 3, denitrifying bacterium utilizes the organism in UASB reactor 2 processed waste water to carry out denitrification denitrogenation;
Four, a part of waste water flowed out from anoxic pond 3 enters MBBR reactor 4, completes organic removal and nitrification by the suspension growth of existence in MBBR reactor 4 and the microorganism of apposition growth;
Enter medium sediment pool 5 from another part waste water of anoxic pond 3 outflow and carry out mud-water separation, the precipitating sludge separated is back to MBBR reactor 4, and the supernatant liquor separated then enters chemical precipitation pond 6, in chemical precipitation pond 6, add MgCl
26H
2o and NaHPO
412H
2o also stirs, by the NH in waste water
4 +reaction generates magnesium ammonium phosphate sediment thing, and the supernatant liquor after staticly settling is back to MBBR reactor 4, precipitates the chemical sludge obtained and discharges;
Five, the waste water after MBBR reactor 4 processes enters settling tank 7 and carries out mud-water separation, the hydraulic detention time controlled in settling tank 7 is 2h ~ 3h, isolated supernatant liquor is discharged as water purification, isolated a part of precipitating sludge is back to anoxic pond 3 as returnedactivatedsludge, isolated another part precipitating sludge, as excess sludge discharge, completes the process of UASB/A/MBBR in conjunction with chemical Treatment height organism high ammonia-nitrogen wastewater.
Embodiment five: present embodiment and embodiment four are 4kgCOD/ (m unlike the volumetric loading of UASB reactor 2 in step 2
3d) ~ 5kgCOD/ (m
3d).Other step and parameter identical with embodiment four.
Embodiment six: present embodiment and embodiment four or five are 2h ~ 3h unlike hydraulic detention time in anoxic pond 3 in rate-determining steps three, and dissolved oxygen remains on below 0.5mg/L.Other step and parameter identical with embodiment four or five.
Embodiment seven: one of present embodiment and embodiment four to six are 6h ~ 7h unlike the hydraulic detention time of MBBR reactor 4 in rate-determining steps four, and dissolved oxygen is 2mg/L-4mg/L.Other step and parameter identical with one of embodiment four to six.
Embodiment eight: one of present embodiment and embodiment four to seven are 100% unlike return sludge ratio in step 5.Other step and parameter identical with one of embodiment four to seven.
Embodiment one: the method that the UASB/A/MBBR in the present embodiment application embodiment one carries out wastewater treatment in conjunction with chemical Treatment height organism high ammonia-nitrogen wastewater system is implemented according to the following steps:
One, the suspended substance in pre-treatment removal water and the waste water of floating matter enter equalizing tank 1;
Two, first the waste water flowed out from equalizing tank 1 enter UASB reactor 2, and in UASB reactor 2, anerobe is degraded to organism, and the biogas simultaneously generated is discharged from UASB reactor 2, and the volumetric loading of control UASB reactor 2 is 5kgCOD/ (m
3d);
Three, the waste water after UASB reactor 2 processes enters anoxic pond 3 with the nitrification liquid refluxed from MBBR reactor 4 and after the returnedactivatedsludge that settling tank 7 is discharged mixes, in anoxic pond 3, denitrifying bacterium utilizes the organism in UASB reactor 2 processed waste water to carry out denitrification denitrogenation, controlling hydraulic detention time in anoxic pond 3 is 3h, and dissolved oxygen is 0.5mg/L;
Four, a part of waste water flowed out from anoxic pond 3 enters MBBR reactor 4, organic removal and nitrification is completed by the suspension growth of existence in MBBR reactor 4 and the microorganism of apposition growth, the hydraulic detention time of control MBBR reactor is 7h, and dissolved oxygen is 3mg/L;
Enter medium sediment pool 5 from another part waste water of anoxic pond 3 outflow and carry out mud-water separation, the precipitating sludge separated is back to MBBR reactor 4, and the supernatant liquor separated then enters chemical precipitation pond 6, in chemical precipitation pond 6, add MgCl
26H
2o and NaHPO
412H
2o also carries out stirring 20min, by the NH in waste water
4 +reaction generates magnesium ammonium phosphate sediment thing, staticly settles the supernatant liquor after 25min and is back to MBBR reactor 4, precipitates the chemical sludge obtained and discharges;
Five, the waste water after MBBR reactor 4 processes enters settling tank 7 and carries out mud-water separation, the hydraulic detention time controlled in settling tank 7 is 3h, isolated supernatant liquor is discharged as water purification, isolated a part of precipitating sludge is back to anoxic pond 3 as returnedactivatedsludge, isolated another part precipitating sludge is as excess sludge discharge, return sludge ratio is 100%, completes the process of UASB/A/MBBR in conjunction with chemical Treatment height organism high ammonia-nitrogen wastewater.
The splitting ratio of anoxic pond water outlet in the present embodiment step 4 is 0.5, and namely anoxic pond water outlet enters medium sediment pool and carries out the flow of chemical denitrogenation and the ratio of water outlet total flux.
The present embodiment water inlet adopts and in sanitary sewage, adds glucose and ammonium chloride to simulate high organism high ammonia-nitrogen wastewater, regulate the COD of water inlet at 2250 ~ 2750mg/L, ammonia nitrogen is at 250 ~ 425mg/L, pH value is 6.7 ~ 7.4, monitor reactive system water outlet COD and ammonia nitrogen, after stable, UASB/A/MBBR reaches more than 95% and 97% in conjunction with chemical method respectively to the COD of high organism high ammonia-nitrogen wastewater and ammonia nitrogen removal frank.Can think and successfully realize UASB/A/MBBR in conjunction with chemical method to high organism high ammonia-nitrogen wastewater purifying treatment.
Claims (8)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630137A (en) * | 2017-01-17 | 2017-05-10 | 达斯玛环境科技（北京）有限公司 | Treatment method for removing total nitrogen in sewage by MBBR (moving-bed biofilm reactor) process |
| WO2017105336A1 (en) * | 2015-12-18 | 2017-06-22 | Ikea Supply Ag | Cottonization by biodigestion of fibrous biomass |
| CN113213712A (en) * | 2021-06-08 | 2021-08-06 | 合肥茂腾环保科技有限公司 | Fungus sediment anaerobic digestion effluent disposal system |
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| WO2017105336A1 (en) * | 2015-12-18 | 2017-06-22 | Ikea Supply Ag | Cottonization by biodigestion of fibrous biomass |
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| CN113213712A (en) * | 2021-06-08 | 2021-08-06 | 合肥茂腾环保科技有限公司 | Fungus sediment anaerobic digestion effluent disposal system |
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