CN105859031B - A kind of cassava preparing alcohol advanced waste treatment system - Google Patents
A kind of cassava preparing alcohol advanced waste treatment system Download PDFInfo
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- CN105859031B CN105859031B CN201610286909.7A CN201610286909A CN105859031B CN 105859031 B CN105859031 B CN 105859031B CN 201610286909 A CN201610286909 A CN 201610286909A CN 105859031 B CN105859031 B CN 105859031B
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 title claims abstract description 31
- 239000002699 waste material Substances 0.000 title claims abstract description 15
- 241000658379 Manihot esculenta subsp. esculenta Species 0.000 title 1
- 239000001301 oxygen Substances 0.000 claims abstract description 51
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 51
- 238000006243 chemical reaction Methods 0.000 claims abstract description 42
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 33
- 240000003183 Manihot esculenta Species 0.000 claims abstract description 30
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000002351 wastewater Substances 0.000 claims abstract description 26
- 230000001112 coagulating effect Effects 0.000 claims abstract description 23
- 239000012528 membrane Substances 0.000 claims abstract description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000003647 oxidation Effects 0.000 claims abstract description 21
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 21
- 238000001556 precipitation Methods 0.000 claims abstract description 21
- 239000006004 Quartz sand Substances 0.000 claims abstract description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 19
- 230000003197 catalytic effect Effects 0.000 claims abstract description 13
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 238000006555 catalytic reaction Methods 0.000 claims description 8
- 238000004062 sedimentation Methods 0.000 claims description 8
- 239000010802 sludge Substances 0.000 claims description 8
- 239000000701 coagulant Substances 0.000 claims description 7
- 238000005189 flocculation Methods 0.000 claims description 7
- 230000016615 flocculation Effects 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- 239000000872 buffer Substances 0.000 claims description 6
- 229920002401 polyacrylamide Polymers 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- 150000001768 cations Chemical class 0.000 claims description 3
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 3
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 3
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 3
- 238000010907 mechanical stirring Methods 0.000 claims description 3
- 150000001450 anions Chemical class 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 238000004065 wastewater treatment Methods 0.000 abstract description 8
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 238000012545 processing Methods 0.000 description 13
- 238000010992 reflux Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 239000005416 organic matter Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 238000009287 sand filtration Methods 0.000 description 2
- 241000196324 Embryophyta Species 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
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- HYGWNUKOUCZBND-UHFFFAOYSA-N azanide Chemical compound [NH2-] HYGWNUKOUCZBND-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a kind of cassava preparing alcohol advanced waste treatment systems, including：Micro- oxygen bio-reaction system, coagulative precipitation tank, quartz sand filter tank, high energy ozone catalytic oxidation system, the micro- aerobic membrane bioreactor of integrated high-efficiency removal of carbon and nitrogen and ultraviolet disinfection canal；Wherein, micro- oxygen biological reaction pool is equipped with inlet and outlet, and water outlet is sequentially connected with coagulative precipitation tank, quartz sand filter tank, high energy ozone catalytic oxidation system, the micro- aerobic membrane bioreactor of integrated high-efficiency removal of carbon and nitrogen and ultraviolet disinfection canal；Quartz sand filter tank is back to coagulative precipitation tank through return pipe；The micro- aerobic membrane bioreactor of integrated high-efficiency removal of carbon and nitrogen is equipped with organic carbon source inlet port, and the water outlet of the micro- aerobic membrane bioreactor of integrated high-efficiency removal of carbon and nitrogen is back to the water inlet end of quartz sand filter tank through return line；Ultraviolet disinfection canal is equipped with water outlet up to standard.Cassava preparing alcohol waste water can be effectively treated in the advanced treatment system, guarantee that effluent quality is up to standard steadily in the long term, effluent quality is better than《Urban wastewater treatment firm pollutant emission standard》Level-one A standard requirements in GB18918-2002.
Description
Technical field
The present invention relates to field of waste water treatment, more particularly to a kind of cassava preparing alcohol advanced waste treatment system.
Background technique
Cassava is because its yield is big, and content of starch is high, drought-enduring, impoverishment tolerant, and it is low to plant saving of labor, input cost, is current
One of the primary raw material of China's preparing alcohol.The use of cassava is that raw material preparing alcohol ratio other materials is at low cost, still, uses cassava
For raw material 1 ton of alcohol of every production, about 15 tons of waste liquids are generated.Therefore, a large amount of highly concentrated organic wastes caused by cassava preparing alcohol
The governing problem of liquid has become the bottleneck problem for influencing the development of alcohol industry.So to greatly develop cassava preparing alcohol row
Industry, it is necessary to seek the problem of biological preparing alcohol production treating waste liquid utilizes.
Currently, the major way of cassava preparing alcohol wastewater treatment is the materializing strategy for first passing around coagulating sedimentation；Then,
Into bearing processing stage, the general processing mode combined using anaerobic-aerobic.Degradable organic matter passes through life in waste water
After change processing, COD concentration can reduce 200-400mg/L or so, and most of undegradable organic matter in this part is difficult to degrade
Organic matter can not be degraded by biochemistry merely again.
As country is to the pay attention to day by day of waste water treatment, the governing problem of industrial wastewater is even more extremely urgent, therefore cassava
Preparing alcohol waste water can no longer meet current standard by anaerobic-aerobic treatment water outlet merely, it is necessary to carry out to it further
Advanced treating.Therefore, the advanced treating problem of cassava preparing alcohol waste water receives the extensive concern of various circles of society, also becomes waste water
One of research hotspot problem of improvement.
Summary of the invention
Based on the above existing technology problems, the present invention provides a kind of cassava preparing alcohol advanced treatment system, energy
Enough to by after anaerobic-aerobic treatment early period, COD is at the cassava preparing alcohol waste water between 200~500mg/L
Reason is used water energy and is enough reached steadily in the long term《Urban wastewater treatment firm pollutant emission standard》Level-one A in GB18918-2002
Standard requirements.
In order to solve the above technical problems, the present invention provides a kind of cassava preparing alcohol advanced treatment system, including：
Micro- oxygen bio-reaction system, coagulative precipitation tank, quartz sand filter tank, high energy ozone catalysis oxidation pond, buffer pool, one
Body efficient denitrification removes the micro- aerobic membrane bioreactor of carbon and ultraviolet disinfection canal；Wherein,
Micro- oxygen biological reaction pool is equipped with inlet and outlet, the water outlet and the coagulative precipitation tank, quartz
Sand filtering ponds, high energy ozone catalysis oxidation pond, buffer pool, the micro- aerobic membrane bioreactor of integrated high-efficiency removal of carbon and nitrogen and ultraviolet disappear
Malicious canal is sequentially connected with；The quartz sand filter tank is back to the coagulative precipitation tank through return pipe；The integrated high-efficiency denitrogenation
Except the micro- aerobic membrane bioreactor of carbon is equipped with organic carbon source inlet port, the micro- aerobic membrane bioreactor of integrated high-efficiency removal of carbon and nitrogen
Water outlet the water inlet end of the quartz sand filter tank is back to through return line；The ultraviolet disinfection canal is discharged equipped with water up to standard
Mouthful.
Beneficial effects of the present invention：By the micro- oxygen bio-reaction system of setting, it is able to achieve and its operating parameter is precisely controlled,
Strengthen biochemical treatment processing section to the degradation efficiency of persistent organic pollutants；High energy ozone catalytic oxidation system is set, is passed through
Ultraviolet light activates ozone, enables ozone that can beat the inertia organic matter in waste water under lower dosage
Broken, further degradable organic pollutant improves the biodegradability of waste water simultaneously；The micro- oxygen membrane bioreaction of integrated high-efficiency removal of carbon and nitrogen
It answers device structure simple, effectively increases removal of carbon and nitrogen efficiency, while significantly reducing aeration quantity, reduce operating cost.The depth
Degree processing system enough guarantees that effluent quality is run steadily in the long term, and effluent quality is better than《Urban wastewater treatment firm pollutant emission
Standard》Level-one A standard requirements in GB18918-2002.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is that the cassava preparing alcohol advanced waste treatment system of the embodiment of the present invention constitutes schematic diagram.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, belongs to protection scope of the present invention.
The present invention will be described in further detail combined with specific embodiments below.
As shown in Figure 1, the embodiment of the present invention provides a kind of cassava preparing alcohol advanced waste treatment system, including：
Micro- oxygen bio-reaction system, coagulative precipitation tank, quartz sand filter tank, high energy ozone catalytic oxidation system, integration
Efficient denitrification removes the micro- aerobic membrane bioreactor of carbon and ultraviolet disinfection canal；Wherein,
Micro- oxygen biological reaction pool is equipped with inlet and outlet, the water outlet and the coagulative precipitation tank, quartz
Sand filtering ponds, high energy ozone catalytic oxidation system, the micro- aerobic membrane bioreactor of integrated high-efficiency removal of carbon and nitrogen and ultraviolet disinfection canal
It is sequentially connected with；The quartz sand filter tank is back to the coagulative precipitation tank through return pipe；The integrated high-efficiency removal of carbon and nitrogen
Micro- aerobic membrane bioreactor is equipped with organic carbon source inlet port, which goes out
Water end (W.E.) is back to the water inlet end of the quartz sand filter tank through return line；The ultraviolet disinfection canal is equipped with water outlet up to standard.
In above-mentioned processing system, micro- oxygen bio-reaction system is by sequentially connected micro- oxygen biological reaction pool and sedimentation basin group
At；Sedimentation basin returns through sludge reflux pipeline and is connected to micro- oxygen biological reaction pool.
In above-mentioned processing system, the sludge concentration of micro- oxygen bio-reaction system is maintained at 5000~6000mg/L, molten in pond
Oxygen control is solved in 0.2~0.6mg/L.
In above-mentioned processing system, coagulative precipitation tank surface loading is 1~2m3/m2H, the coagulant of addition is using polymerization chlorine
Change aluminium, bodied ferric sulfate, polyaluminum ferric chloride, one or more of in polymeric aluminium ferrum silicate, the flocculation aid of addition uses polypropylene
Amide anion or cation reagent, the amount of dosing coagulant is 10~1000mg in every liter of waste water, and the amount of flocculation aid is 0.5
~5mg.
In above-mentioned processing system, high energy ozone catalytic oxidation system is eased up by sequentially connected high energy ozone catalysis oxidation pond
Rush pond composition.
In above-mentioned processing system, in high energy ozone catalysis oxidation pond, every liter of waste water by ozone dosage is 10~200mg/L,
Reaction time is 0.5~2h, buffers and stablizes the time as 0.5~2h.
In above-mentioned processing system, the micro- aerobic membrane bioreactor of integrated high-efficiency removal of carbon and nitrogen includes：Micro- oxygen reaction system exposes
Gas system and organic carbon source dosing system, wherein micro- oxygen reaction zone and film area, micro- oxygen are equipped in micro- oxygen reaction system
Aerating system is arranged in reaction zone bottom, is equipped with mechanical stirring device or plug flow device in micro- oxygen reaction zone, the film area with
Mixed liquor return pipe is equipped between micro- oxygen reaction zone, micro- oxygen reaction zone is equipped with organic carbon source dosing system.This is micro-
Micro- oxygen reaction zone in oxygen reaction system adjusts dissolved oxygen by the reflux of film area mixed liquor and bottom microporous aeration device, and mixed liquor returns
Stream ratio can be adjusted with needs according to the actual situation, be flowed reaction solution by mechanical stirring device or plug flow device
Change.The micro- aerobic membrane bioreactor of the integrated high-efficiency removal of carbon and nitrogen forms the pond A/O+MBR system for handling.
The detailed process of cassava preparing alcohol advanced treatment system processing waste water provided in an embodiment of the present invention is as follows：
Firstly, sludge concentration is maintained at 5000~6000mg/L or so, when water conservancy stops into micro- oxygen bio-reaction system
Between be not less than 8h, guarantee denitrification effect in micro- oxygen bio-reaction system, add certain organic carbon source, dissolved oxygen in pond
Control has sedimentation basin after 0.2~0.6mg/L, micro- oxygen reaction tank, and is equipped with sludge refluxing apparatus；
Then, into coagulative precipitation tank, coagulant and flocculation aid are used in coagulative precipitation tank, coagulant can be polymerization chlorine
Change aluminium, bodied ferric sulfate, polyaluminum ferric chloride, polymeric aluminium ferrum silicate etc., flocculation aid can for polyacrylamide anion or
Cation reagent, dosing coagulant amount is 10~1000mg in every liter of waste water, and flocculation aid amount is 0.5~5mg, coagulative precipitation tank table
Face 1~2m of load3/m2H or so；
Coagulative precipitation tank water outlet enters quartz sand filter tank, removes suspended matter in waste water, avoids suspension excessive in water quality
Object influences high energy ozone catalytic oxidation treatment effect below；
The sand filtration water outlet of quartz sand filter tank enters high energy ozone catalytic oxidation system, and high energy ozone catalytic oxidation system is adopted
Ozone is activated with ultraviolet light, enables ozone that can beat the inertia organic matter in waste water under lower dosage
It is broken, the biodegradability of waste water is improved, every liter of waste water by ozone dosage is 10~200mg/L, 0.5~2h of reaction time, and buffering is steady
Fix time 0.5~2h or so；
Ozone water outlet enters the micro- aerobic membrane bioreactor of integrated high-efficiency removal of carbon and nitrogen, and the water conservancy residence time is 6~12h；
Wherein, the micro- aerobic membrane bioreactor of above-mentioned advanced treatment system integrated high-efficiency removal of carbon and nitrogen is discharged to quartz sand mistake
Before filter tank, it is equipped with reflux system, reflux ratio can be adjusted according to the practical water treatment demand of need；
Finally, qualified discharge or reuse after ultraviolet disinfection canal are discharged.
Embodiment
Using cassava preparing alcohol advanced waste treatment system provided in an embodiment of the present invention, to Tianjin cassava preparing alcohol waste water
It is handled, handled Tianjin cassava preparing alcohol waste water quality is：Water temperature is 15~25 DEG C；CODcrFor 300~400mg/L；
BOD5For 5~50mg/L；SS≤100mg/L；NH3- N is 100~200mg/L；TN is 150~300mg/L；TP is 5~20mg/
L；PH is 6.5~8.5.
The specific steps handled using cassava preparing alcohol advanced treatment system provided by the invention to above-mentioned waste water are such as
Under：
(1) firstly, waste water enters micro- oxygen biological reaction pool, sludge concentration is maintained at 5000~6000mg/L or so, water conservancy
Residence time 8h guarantees denitrification effect in micro- oxygen biological reaction pool and improves biochemical effects, to micro- oxygen biological respinse
Glucose is added in pond, dissolved oxygen control is equipped with sedimentation basin after 0.2~0.5mg/L, micro- oxygen biological reaction pool in pond, and is equipped with
Sludge refluxing apparatus, reflux ratio 100%；
(2) then, into coagulative precipitation tank, PAC and PAM is added in coagulative precipitation tank and carries out coagulating sedimentation, every liter of waste water
In add PAC amount be 100mg, PAM amount be 1mg, 1~2m of coagulative precipitation tank surface loading3/m2·h；
(3) water outlet of coagulative precipitation tank enters quartz filter, removes suspended matter in waste water, avoids excessive in water quality
Suspended matter influences high energy ozone catalytic oxidation treatment effect below；
(4) the sand filtration water outlet of quartz filter enters high energy ozone catalysis oxidation pond, and every liter of waste water by ozone dosage is
100~150mg/L or so, reaction time 1.5h, the water outlet of high energy ozone catalysis oxidation pond is buffered in buffer pool stablizes time 1h；
(5) ozone water outlet enters integrated high-efficiency removal of carbon and nitrogen micro- oxygen membrane biological reaction pond, and the water conservancy residence time is 8h；
(6) integrated high-efficiency removal of carbon and nitrogen micro- oxygen membrane biological reaction pond is discharged, before flowing back into quartz sand filter tank, reflux ratio
It is 100%, finally, water outlet final qualified discharge or reuse after ultraviolet disinfection canal.
Treated effluent quality is detected, effluent quality is：Water temperature is 15~25 DEG C；CODcr≤50mg/
L, 80% or more removal rate；BOD5≤ 5mg/L, removal rate 80%；SS≤10mg/L, removal rate 90%；NH3- N≤3mg/L, goes
Except 95% or more rate；TN≤15mg/L, 95% or more removal rate；TP≤0.5mg/L, removal rate 90%；PH is 6.5~8.5.From
Cassava alcoholic can be effectively treated to can be seen that advanced treatment system of the invention in the testing result of handled effluent quality
Smart waste water guarantees that effluent quality is up to standard steadily in the long term, and effluent quality is better than《Urban wastewater treatment firm pollutant emission standard》
Level-one A standard requirements in GB18918-2002.It can solve existing cassava preparing alcohol waste water treatment process and generally use object
Change processing+biochemical treatment, be merely able in the case of the best treatment effect of traditional processing method to guarantee water outlet COD 200~
300mg/L or so, the problem of being extremely difficult to the drainage requirement being increasingly stringenter now.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (6)
1. a kind of cassava preparing alcohol advanced waste treatment system, which is characterized in that including：
Micro- oxygen bio-reaction system, coagulative precipitation tank, quartz sand filter tank, high energy ozone catalytic oxidation system, integrated high-efficiency
The micro- aerobic membrane bioreactor of removal of carbon and nitrogen and ultraviolet disinfection canal；Wherein,
Micro- oxygen bio-reaction system is made of sequentially connected micro- oxygen biological reaction pool and sedimentation basin；Sedimentation basin is returned through sludge
Flow tube road is returned and is connected to micro- oxygen biological reaction pool；
Micro- oxygen biological reaction pool is equipped with inlet and outlet, the water outlet and the coagulative precipitation tank, quartz sand mistake
Filter tank, high energy ozone catalytic oxidation system, the micro- aerobic membrane bioreactor of integrated high-efficiency removal of carbon and nitrogen and ultraviolet disinfection canal are sequentially
Connection；The quartz sand filter tank is back to the coagulative precipitation tank through return pipe；The micro- oxygen of integrated high-efficiency removal of carbon and nitrogen
Membrane bioreactor is equipped with organic carbon source inlet port, the water outlet of the micro- aerobic membrane bioreactor of integrated high-efficiency removal of carbon and nitrogen
The water inlet end of the quartz sand filter tank is back to through return line；The ultraviolet disinfection canal is equipped with water outlet up to standard.
2. a kind of cassava preparing alcohol advanced waste treatment system according to claim 1, which is characterized in that micro- oxygen is raw
The sludge concentration of object reaction system is maintained at 5000~6000mg/L, and dissolved oxygen control is in 0.2~0.6mg/L in pond.
3. a kind of cassava preparing alcohol advanced waste treatment system according to claim 1, which is characterized in that the coagulation is heavy
Shallow lake pool surface load is 1~2m3/m2H, the coagulant of addition using aluminium polychloride, bodied ferric sulfate, polyaluminum ferric chloride,
One or more of in polymeric aluminium ferrum silicate, the flocculation aid of addition uses polyacrylamide anion or cation reagent, and every liter
The amount of dosing coagulant is 10~1000mg in waste water, and the amount of flocculation aid is 0.5~5mg.
4. a kind of cassava preparing alcohol advanced waste treatment system according to claim 1, which is characterized in that the high energy is smelly
Oxygen catalytic oxidation system is made of sequentially connected high energy ozone catalysis oxidation pond and buffer pool.
5. a kind of cassava preparing alcohol advanced waste treatment system according to claim 4, which is characterized in that the high energy is smelly
In oxygen catalysis oxidation pond, every liter of waste water by ozone dosage is 10~200mg/L, and the reaction time is 0.5~2h, buffers and stablizes the time
For 0.5~2h.
6. a kind of cassava preparing alcohol advanced waste treatment system according to claim 1, which is characterized in that the integration
Efficient denitrification removes the micro- aerobic membrane bioreactor of carbon：Micro- oxygen reaction system, aerating system and organic carbon source dosing system,
In, micro- oxygen reaction zone and film area are equipped in micro- oxygen reaction system, aerating system is arranged in micro- oxygen reaction zone bottom, described
It is equipped with mechanical stirring device or plug flow device in micro- oxygen reaction zone, mixed liquor is equipped between the film area and micro- oxygen reaction zone
Return pipe, micro- oxygen reaction zone are equipped with organic carbon source dosing system.
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| CN101269901A (en) * | 2008-05-13 | 2008-09-24 | 广西丽桂环保科技有限公司 | Comprehensive approach for process and cyclic utilization of sewage water |
| CN104355416A (en) * | 2014-12-04 | 2015-02-18 | 上海能正渔业科技开发有限公司 | Algae-controlling and water-purifying biocenosis |
| CN104478171A (en) * | 2014-12-15 | 2015-04-01 | 北京桑德环境工程有限公司 | Reusing treatment method and system for municipal wastewater |
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| CN101269901A (en) * | 2008-05-13 | 2008-09-24 | 广西丽桂环保科技有限公司 | Comprehensive approach for process and cyclic utilization of sewage water |
| CN104355416A (en) * | 2014-12-04 | 2015-02-18 | 上海能正渔业科技开发有限公司 | Algae-controlling and water-purifying biocenosis |
| CN104478171A (en) * | 2014-12-15 | 2015-04-01 | 北京桑德环境工程有限公司 | Reusing treatment method and system for municipal wastewater |
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