CN103755015A - Novel sewage treatment process SBBR (Sequencing Batch Biofilm Reactor) process - Google Patents
Novel sewage treatment process SBBR (Sequencing Batch Biofilm Reactor) process Download PDFInfo
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- CN103755015A CN103755015A CN201410005951.8A CN201410005951A CN103755015A CN 103755015 A CN103755015 A CN 103755015A CN 201410005951 A CN201410005951 A CN 201410005951A CN 103755015 A CN103755015 A CN 103755015A
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- bamboo charcoal
- sewage treatment
- sbbr
- treatment process
- sludge
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention discloses a novel sewage treatment process SBBR (Sequencing Batch Biofilm Reactor) process. The process specifically comprises the following steps: after washing bamboo charcoal by distilled water, drying the bamboo charcoal; domesticating active sludge of a municipal sewage plant as inoculating sludge; inputting domesticated inoculating sludge into an SBR (Sequencing Batch Reactor) reactor; inputting bamboo charcoal into the SBR reactor; and then introducing phenolic wastewater to be treated into the reactor. The SBBR sewage treatment process provided by the invention is good in stability, can effectively resist impact of water yield and organic pollutants, enhance the efficiency of treating phenol and effectively control sludge bulking, and the amount of sludge is less. Compared with the bamboo charcoal adsorption method, the defect that bamboo charcoal in sludge purification is easy to quickly reach saturation adsorption is overcome while the efficiency of treating phenol is enhanced. The SBBR sewage treatment process provided by the invention can efficiently treat phenolic wastewater containing phenol, m-cresol and the like, and is suitable for popularization and use.
Description
Technical field
The invention belongs to environmental pollutant biologic treating technique field, be specifically related to a Novel sewage and process biochemical process and the application in phenol-containing wastewater is processed thereof.
Background technology
In the production processes such as coking, pharmacy, DYE PRODUCTION, can produce a large amount of phenolic wastewater.Phenol belongs to aromatics, have the protein denaturation of making, corrode mucocutaneous, toxicity such as infringement nervus centralis etc., and sphere of action contains animal, plant and microorganism, and priority pollutants list is all listed in by EPA and Environmental Protection in China portion.The treatment technology of phenolic wastewater has materialization treatment process, method of chemical treatment and biochemical treatment process three major types.Physico-chemical process be take absorption, air lift, extraction as main, and method of chemical treatment has wet oxidation, photochemical catalysis, Fenton etc., and biochemical treatment process be take traditional activated sludge process as main.In actual applications, there is the problems such as the high or treatment effect of processing cost is undesirable in physico-chemical process and chemical Treatment.Wastewater Treated by Activated Sludge Process effect is better, treatment capacity is large, cost is low, be able in practice widespread use, but have the shortcomings such as anti impulsion load ability, surplus sludge volume are large, thereby high-performance bio New Process for Treatment and new technology are always the key areas of biochemical process research.
SBR is a kind of active sludge sewage disposal technology moving by intermittent aeration mode, claims again sequencing batch active sludge.This technology adopts the operating method of cutting apart between the operating method instead of null of time division, and astable biochemical reaction substitutes stable state biochemical reaction, integrates homogenizing, just heavy, biological degradation, two and the function such as sinks.If exist flooding velocity greatly to need to regulate the limitation such as reactive system in SBR engineering practice application.Therefore SBR technique is improved, to improve the main direction that art breading stability is this technology application development.
China is the abundantest country of bamboo resource in the world.After bamboo wood pyrolysis, form bamboo charcoal; bamboo charcoal has abundant porosity distribution and high-specific surface area, and physical strength is good, physics and chemistry stable performance; and cheap and easy to get, become a kind of novel absorption material having broad application prospects in fields such as environment protection, medical science and food.The applied research of bamboo charcoal in the organic substance waste water control such as Pyrogentisinic Acid, 2,4 dichloro phenol, formaldehyde, dry fruit be red obtained greater advance.But when bamboo charcoal is used for sewage purification, easily comparatively fast reach absorption saturated, need to carry out manipulation of regeneration, cause use cost to increase, limited its widespread use, how effectively improving bamboo Charcoal Adsorption ability is current study hotspot.
Summary of the invention
The object of the invention is the problem existing for above-mentioned SBR technique, on SBR basis, improve, a kind of new and effective biochemical technology SBBR technique is provided, and the application of above-mentioned technique in phenol-containing wastewater is processed is provided.
Concrete technical scheme of the present invention is as follows:
The invention discloses a kind of Novel sewage treatment process SBBR technique, concrete steps are as follows:
(1) bamboo charcoal is cleaned to post-drying with distilled water;
(2) municipal sewage plant's active sludge is tamed as seed sludge;
(3) seed sludge after domestication is added in sbr reactor device, SBR seed sludge amount remains on 5000mg.L
-1-4000mg.L
-1between;
(4) in sbr reactor device, add bamboo charcoal;
(5) in reactor, pass into pending phenolic wastewater;
(6) processing each cycle of operation of phenol-containing wastewater is 6h, wherein aeration 3h, stir 2h, precipitation 1h, aeration rate is 0.3Nm
3.h
-1-0.4Nm
3.h
-1.
As improving further, the about 8mm-10mm of bamboo charcoal particle diameter of the present invention, specific surface area S are 350m
2.g-1-370m
2.g
-1, boring ratio volume V p is 0.3mL.g
-1-0.4mL.g
-1.
As improving further, in step of the present invention (2), the acclimation period of seed sludge is 7d, intakes every day four times, and the each run cycle is 6h, wherein aeration 3h, stir 2h, precipitation 1h, aeration rate is 0.2Nm
3.h
-1-0.3Nm
3.h
-1.
As improving further, in step of the present invention (4), bamboo charcoal dosage is 15g.L
-1-20g.L
-1.
As improving further, in step of the present invention (5), phenolic wastewater water inlet pH5-8,25 ℃-30 ℃ of temperature of reaction.
As improving further, phenolic wastewater of the present invention is phenolic waste water or Cresol waste water.
Beneficial effect of the present invention is, SBBR sewage treatment process good stability provided by the present invention is highly resistant to the water yield and organic pollutant and impacts, and promotes the efficiency of processing phenol, effectively control sludge bulking, and sludge quantity is few.Compare with bamboo Charcoal Adsorption method, when promoting the efficiency of processing phenol, overcome bamboo charcoal and in sewage purification, easily comparatively fast reached the saturated defect of absorption.SBBR sewage treatment process provided by the present invention can efficiently be processed containing phenols sewage such as phenol, meta-cresols, is suitable for promoting the use of.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of SBBR technique of the present invention.
Embodiment
Below in conjunction with specific embodiment, technical scheme of the present invention is described further:
SBBR technological process:
See Fig. 1, step is as follows:
(1) bamboo charcoal is cleaned to post-drying with distilled water, the about 8mm-10mm of bamboo charcoal particle diameter, specific surface area S are 350m
2.g-1-370m
2.g
-1, boring ratio volume V p is 0.3mL.g
-1-0.4mL.g
-1;
(2) municipal sewage plant's active sludge is tamed as seed sludge, acclimation period is 7d;
(3) seed sludge after domestication is added in sbr reactor device, SBR seed sludge amount remains on 5000mg.L
-1-4000mg.L
-1between, in sbr reactor device, add 15g.L
-1-20g.L
-1bamboo charcoal;
(4) in reactor, pass into pending phenolic wastewater, water inlet pH5-8,25 ℃-30 ℃ of temperature of reaction;
(5) processing each cycle of operation of phenol-containing wastewater is 6h, wherein aeration 3h, stir 2h, precipitation 1h, aeration rate is 0.3Nm
3.h
-1-0.4Nm
3.h
-1.
Embodiment 1:
By the about 8mm-10mm of bamboo charcoal particle diameter, specific surface area S, be 350m
2.g-1-370m
2.g
-1, boring ratio volume V p is 0.3mL.g
-1-0.4mL.g
-1bamboo charcoal with distilled water, clean post-drying.By Linan sludge sewage, as seed sludge, carry out 7d domestication.At 25 ℃, seed sludge after domestication is added in sbr reactor device, SBR seed sludge amount remains on 4500mg.L
-1left and right adds 15g.L in sbr reactor device
-1bamboo charcoal then passes into phenolic waste water in reactor, processes respectively the phenolic waste water of different starting point concentrations.Each cycle of operation is 6h, wherein aeration 3h, stir 2h, precipitation 1h, aeration rate is 0.3Nm
3.h
-1left and right.Result shows: initial phenol concentration is lower than 50mgL
-1phenolic wastewater in SBBR, process 1 all after date phenol and can remove completely; Initial phenol concentration 50mgL
-1-300mgL
-1phenolic wastewater in SBBR, process 2 all after date phenol clearances and can reach more than 95%; Initial phenol concentration 300mgL
-1-400mgL
-1phenolic wastewater in SBBR, process 3 all after date phenol clearances and can reach more than 90%.
Embodiment 2:
By the about 8mm-10mm of bamboo charcoal particle diameter, specific surface area S, be 350m
2.g-1-370m
2.g
-1, boring ratio volume V p is 0.3mL.g
-1-0.4mL.g
-1bamboo charcoal with distilled water, clean post-drying.By Linan sludge sewage, as seed sludge, carry out 7d domestication.At 25 ℃, seed sludge after domestication is added in sbr reactor device, SBR seed sludge amount remains on 5000mg.L
-1left and right adds 20g.L in sbr reactor device
-1bamboo charcoal then passes into Cresol waste water in reactor, processes respectively the Cresol waste water of different starting point concentrations.Each cycle of operation is 6h, wherein aeration 3h, stir 2h, precipitation 1h, aeration rate is 0.35Nm
3.h
-1left and right.Result shows: meta-cresol starting point concentration is lower than 20mgL
-1phenolic wastewater in SBBR, process 1 all after date meta-cresol and can remove completely; Meta-cresol starting point concentration 20mgL
-1-50mgL
-1phenolic wastewater in SBBR, process 2 all after date meta-cresol clearances and can reach more than 95%; Meta-cresol starting point concentration 50mgL
-1-300mgL
-1phenolic wastewater in SBBR, process 3 all after date meta-cresol clearances and can reach more than 95%; Meta-cresol starting point concentration 300mgL
-1-400mgL
-1phenolic wastewater in SBBR, process 4 all after date meta-cresol clearances and can reach more than 98%.
Finally, it is also to be noted that, what more than enumerate is only several specific embodiment of the present invention.Obviously, the invention is not restricted to above embodiment, can also have many distortion.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention, all should think protection scope of the present invention.
Claims (6)
1. a Novel sewage treatment process SBBR technique, is characterized in that, concrete steps are as follows:
(1) bamboo charcoal is cleaned to post-drying with distilled water;
(2) municipal sewage plant's active sludge is tamed as seed sludge;
(3) seed sludge after domestication is added in sbr reactor device, SBR seed sludge amount remains on 5000mg.L
-1-4000mg.L
-1between;
(4) in sbr reactor device, add bamboo charcoal;
(5) in reactor, pass into pending phenolic wastewater;
(6) processing each cycle of operation of phenol-containing wastewater is 6h, wherein aeration 3h, stir 2h, precipitation 1h, aeration rate is 0.3Nm
3.h
-1-0.4Nm
3.h
-1.
2. Novel sewage treatment process SBBR technique according to claim 1, is characterized in that, the described about 8mm-10mm of bamboo charcoal particle diameter, specific surface area S are 350m
2.g-1-370m
2.g
-1, boring ratio volume V p is 0.3mL.g
-1-0.4mL.g
-1.
3. Novel sewage treatment process SBBR technique according to claim 1, is characterized in that, in described step (2), the acclimation period of seed sludge is 7d, intakes every day four times, and the each run cycle is 6h, wherein aeration 3h, stir 2h, precipitation 1h, aeration rate is 0.2Nm
3.h
-1-0.3Nm
3.h
-1.
4. Novel sewage treatment process SBBR technique according to claim 1, is characterized in that, in described step (4), bamboo charcoal dosage is 15g.L
-1-20g.L
-1.
5. Novel sewage treatment process SBBR technique according to claim 1, is characterized in that, in described step (5), and phenolic wastewater water inlet pH5-8,25 ℃-30 ℃ of temperature of reaction.
6. Novel sewage treatment process SBBR technique according to claim 1, is characterized in that, described phenolic wastewater is phenolic waste water or Cresol waste water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410005951.8A CN103755015A (en) | 2014-01-03 | 2014-01-03 | Novel sewage treatment process SBBR (Sequencing Batch Biofilm Reactor) process |
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|---|---|---|---|
| CN201410005951.8A CN103755015A (en) | 2014-01-03 | 2014-01-03 | Novel sewage treatment process SBBR (Sequencing Batch Biofilm Reactor) process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110642494A (en) * | 2019-09-30 | 2020-01-03 | 齐鲁工业大学 | Application of biomass ash as framework construction body in sludge dewatering and method for improving dewatering performance of papermaking excess sludge |
| CN110845002A (en) * | 2019-10-30 | 2020-02-28 | 桂林理工大学 | Method for improving sewage treatment and sludge combustion effects by using pulverized coal activated sludge process |
| CN111925067A (en) * | 2020-08-20 | 2020-11-13 | 湖南弘烨医疗器械有限公司 | Comprehensive treatment process for pharmaceutical wastewater |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1834029A (en) * | 2006-03-30 | 2006-09-20 | 山东大学 | Miniaturation method of aerobic sludge for degrading mononitrophenol |
| CN102557243A (en) * | 2012-01-11 | 2012-07-11 | 浙江农林大学 | Biological bamboo charcoal as well as preparation process and application thereof |
-
2014
- 2014-01-03 CN CN201410005951.8A patent/CN103755015A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1834029A (en) * | 2006-03-30 | 2006-09-20 | 山东大学 | Miniaturation method of aerobic sludge for degrading mononitrophenol |
| CN102557243A (en) * | 2012-01-11 | 2012-07-11 | 浙江农林大学 | Biological bamboo charcoal as well as preparation process and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 周珊等: "竹炭对溶液中对硝基苯酚的吸附新能", 《林业科学》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110642494A (en) * | 2019-09-30 | 2020-01-03 | 齐鲁工业大学 | Application of biomass ash as framework construction body in sludge dewatering and method for improving dewatering performance of papermaking excess sludge |
| CN110642494B (en) * | 2019-09-30 | 2022-06-24 | 齐鲁工业大学 | Application of biomass ash as framework construction body in sludge dewatering and method for improving dewatering performance of papermaking excess sludge |
| CN110845002A (en) * | 2019-10-30 | 2020-02-28 | 桂林理工大学 | Method for improving sewage treatment and sludge combustion effects by using pulverized coal activated sludge process |
| CN110845002B (en) * | 2019-10-30 | 2024-02-06 | 桂林理工大学 | Method for improving sewage treatment and sludge combustion effects by coal dust activated sludge process |
| CN111925067A (en) * | 2020-08-20 | 2020-11-13 | 湖南弘烨医疗器械有限公司 | Comprehensive treatment process for pharmaceutical wastewater |
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Application publication date: 20140430 |