CN105174634B - A kind of glucose advanced treatment of industrial waste water method - Google Patents
A kind of glucose advanced treatment of industrial waste water method Download PDFInfo
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- CN105174634B CN105174634B CN201510631905.3A CN201510631905A CN105174634B CN 105174634 B CN105174634 B CN 105174634B CN 201510631905 A CN201510631905 A CN 201510631905A CN 105174634 B CN105174634 B CN 105174634B
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Abstract
The invention belongs to the industrial technical field of glucose, a kind of glucose advanced treatment of industrial waste water method is specifically related to.This kind of glucose advanced treatment of industrial waste water method, comprises the following steps：（1）Conventional treatment；（2）One-level is aerated；（3）Drop ozone processing；（4）Ozone stripping；（5）Two grades of aerations；（6）Filtering.This method will carry out integrated use using the double-stage aeration bio-filter of different fillers with drop ozone processing, substantially reduce the CODcr total amounts of externally discharged waste water, and operating cost increases compared with conventional BAF and ozone treatment technology without obvious, CODcr degraded removal effects improve more than 50%, meet current country to enterprise Green environmental protection, the requirement of clean manufacturing.
Description
Technical field
The invention belongs to the industrial technical field of glucose, a kind of glucose industrial wastewater depth is specifically related to
Reason method.
Background technology
At present, the treatment technology that domestic glucose production industrial wastewater is used is conventional treatment mode, i.e.,：Anaerobism is become reconciled
Oxygen integrated technology.As national requirements for environmental protection is increasingly strict, using Technology development, it has been difficult to reach outside industrial wastewater and has arranged
Standard (CODcr ＜ 60mg/L or 100mg/L).
The content of the invention
It is an object of the invention to for prior art it is not up to standard to glucose production Industrial Wastewater Treatment the problem of and carry
For a kind of glucose advanced treatment of industrial waste water method.This method by using different fillers double-stage aeration bio-filter with it is micro
Ozone processing is carried out at the integrated CODcr total amounts for using, substantially reducing externally discharged waste water, and operating cost and routine BAF and ozone
Reason technology is compared without substantially increase, and CODcr degraded removal effects improve more than 50%, meet current country to enterprise Green ring
Guarantor, the requirement of clean manufacturing.
The technical scheme is that：A kind of glucose advanced treatment of industrial waste water method, comprises the following steps：
(1) conventional treatment：Glucose industrial wastewater is passed through into EGSB reactors；A/O is aerobic and settlement treatment, obtains outer row
Water；
After conventional PROCESS FOR TREATMENT, bio-degradable is poor, and BOD5/CODcr≤0.2 belongs to compared with difficult degradation scope, wherein
CODcr is about 60mg/L；
(2) one-level is aerated：One-level BAF will be pumped into by the processed conventionally outer draining of step (1), one is carried out
Water outlet after secondary Air Exposure；
(3) drop ozone is handled：Water outlet obtained by step (2) is delivered into drop ozone processor to handle out
Water；Using drop ozone technology, large biological molecule, colloid etc. optionally can be resolved into dissolubility small molecule, increase is useless
The biodegradable of water can properly increase the bio-degradable (BOD5/CODcr ratios) of industrial wastewater, ozone usage amount compared with
Conventional single ozonation technology, reduces more than 50%.
(4) ozone stripping：Water outlet obtained by step (3) is delivered to the progress of ozone stripping pond handled and obtain water outlet；Using smelly
Oxygen stripping process, aims at removal ozone in water residual, it is ensured that normal growth of the microorganism in two grades of BAFs；
(5) two grades of aerations：Water outlet obtained by step (4) is delivered to two grades of BAFs, secondary Air Exposure is carried out
Water outlet afterwards；
(6) filter：Reuse or outer row after water outlet obtained by step (5) is handled through more medium filter.
Outer draining is pumped into one-level BAF by the step (2) using water-delivery pump.
The microbe carrier of one-level BAF is volcanic rock in the step (2).One-level is used as using volcanic rock
The microbe carrier of BAF, the macropore micropore by the use of volcanic rock passes through microorganism as microorganism growing carrier
Nitrification, removes soluble large molecule material in waste water, increases microbial reaction specific surface area, increases reaction efficiency, reduction
Soluble large molecule content of organics in water, reaches reduction part CODcr purpose, Air Exposure time more conventional single-stage BAF
Reduce more than 30%.CODcr is 30mg/L~35mg/L after being aerated 25min~30min processing, and multimedium filter is carried with BAF
Layer, removes solid suspension.
The microbe carrier of two grades of BAFs is ceramic particle in the step (5).Using ceramic particle conduct
The microbe carrier of two grades of BAFs, by the use of the aperture micropore of ceramic particle as microorganism growing carrier, further
Soluble small-molecule substance in waste water is removed, reduction part CODcr purpose is reached, increases microbial reaction specific surface area, increase
Soluble small organic molecule content in big reaction efficiency, reduction water, Air Exposure time more conventional single-stage BAF reduce 80% with
On.The CODcr ＜ 25mg/L after being aerated 30min~40min processing, multimedium filtering layer is carried with BAF, removes solid suspension.
The time of step (2) the one-level aeration is 25min~30min, and dissolved oxygen is controlled in 10mg/L.
Ozone usage amount≤5mg/L in step (3) the drop ozone processing., can be further using drop ozone technology
BOD5 contents are reduced, are passed through after the processing of 2-5mg/L ozone (continuous flow), CODcr is 27mg/L~30mg/L.
Ozone residual≤0.02mg/L is controlled in step (4) the ozone stripping.
The time of (5) two grades of aerations of step is 30min~40min, and dissolved oxygen is controlled in 5mg/L.
Beneficial effects of the present invention are：The present invention using different fillers (microbe carrier) double-stage aeration bio-filter with
Ozone integrated technology, it is therefore an objective to which advanced treating is carried out to glucose production industrial wastewater.One-level BAF uses volcano
Rock is as microculture carrier, and purpose reduces incubation time of the microorganism in industrial wastewater, increases microbial reaction again
Specific surface area；Two grades of BAFs are using ceramic particle as microculture carrier, and purpose extends the survival of microorganism
Time.Low amounts ozone buffered technology, purpose are used between two-stage aerated biological filter：According to it in glucose industrial wastewater
The selective oxidation mechanism of impurity, further removes BOD contents therein, improves the bio-degradable of water, increases two grades of exposures
The treatment effect of gas biofilter.
Using deep treatment method of the present invention, on the basis of conventional treatment process, the further life of increase sewage
Change degradability.On the basis of former COD, by increasing the catalytic specific surface area of microorganism, to increase degraded dynamics, according to
This, makes glucose industrial wastewater reach outer row's standard or reuse after treatment.Aeration total time is 55min~70min, more often
Rule single-stage BAF processing times reduce more than 30%.One-level BAF, as microorganism growing carrier, can make reduction using volcanic rock
Incubation time of the microorganism in water；Two grades of BAF, as microorganism growing carrier, are played extension microorganism and deposited using ceramic particle
The purpose of current.On the premise of cost of investment, operating cost is not increased, treatment effect improves more than 30%.
The present invention is according to the physicochemical property of glucose industrial wastewater, using the twin-stage BAF processors of different fillers and micro
Ozone treatment technology can rationalize operation (DBAF/O3 technologies), can substantially reduce the CODcr total amounts of externally discharged waste water, and run into
This is without substantially increase compared with conventional BAF and ozone treatment technology, and CODcr degraded removal effects improve more than 50%, meet and work as
Preceding country is to enterprise Green environmental protection, the requirement of clean manufacturing.
Embodiment
Below by embodiment, the present invention will be described in detail.
A kind of glucose advanced treatment of industrial waste water method, comprises the following steps：
(1) conventional treatment：Glucose industrial wastewater is passed through into EGSB reactors；A/O is aerobic and settlement treatment, obtains outer row
Water；After conventional PROCESS FOR TREATMENT, bio-degradable is poor, and BOD5/CODcr≤0.2 belongs to compared with difficult degradation scope, wherein CODcr
About 60mg/L；
(2) one-level is aerated：One-level aeration and biological will be pumped into by the processed conventionally outer draining of step (1) by water-delivery pump to filter
Pond, carries out water outlet after an Air Exposure；The time of wherein one-level aeration is 30min, and dissolved oxygen is controlled in 10mg/L.The one-level
The microbe carrier of BAF is volcanic rock.Using microbe carrier of the volcanic rock as one-level BAF,
By the use of the macropore micropore of volcanic rock as microorganism growing carrier, by the nitrification of microorganism, remove soluble in waste water
Macromolecular substances, increase microbial reaction specific surface area, increase soluble large molecule organic matter in reaction efficiency, reduction water and contain
Amount, reaches reduction part CODcr purpose, the Air Exposure time, more conventional single-stage BAF reduced more than 30%.Through being aerated 25min
CODcr is 30mg/L~35mg/L after~30min processing, and multimedium filtering layer is carried with BAF, removes solid suspension.
(3) drop ozone is handled：Water outlet obtained by step (2) is delivered into drop ozone processor to handle out
Ozone usage amount≤5mg/L in the processing of water, wherein drop ozone.Using drop ozone technology, BOD5 contents can be further reduced,
It is passed through after the processing of 2~3mg/L ozone (continuous flow), CODcr is 27mg/L~30mg/L., can using drop ozone technology
So that large biological molecule, colloid etc. optionally are resolved into dissolubility small molecule, the biodegradable of increase waste water can be appropriate
The bio-degradable (BOD5/CODcr ratios) of raising industrial wastewater, the more conventional single ozonation technology of ozone usage amount,
Reduce more than 50%.
(4) ozone stripping：Water outlet obtained by step (3) is delivered to the progress of ozone stripping pond handled and obtain water outlet, wherein smelly
Ozone residual≤0.02mg/L is controlled in oxygen stripping.Using ozone stripping process, removal ozone in water residual is aimed at, it is ensured that
Normal growth of the microorganism in two grades of BAFs.
(5) two grades of aerations：Water outlet obtained by step (4) is delivered to two grades of BAFs, secondary Air Exposure is carried out
Water outlet afterwards,
The time of wherein two grades aerations is 40min, and dissolved oxygen is controlled in 5mg/L.Micro- life of two grades of BAFs
Thing carrier is ceramic particle.Using microbe carrier of the ceramic particle as two grades of BAFs, ceramic particle is utilized
Aperture micropore removes soluble small-molecule substance in waste water as microorganism growing carrier, further, reaches reduction part CODcr
Purpose, increase microbial reaction specific surface area, increase soluble small organic molecule content in reaction efficiency, reduction water, expose
The gas disposal time, more conventional single-stage BAF reduced more than 80%.The CODcr ＜ 25mg/L after being aerated 30min~40min processing, with
BAF carries multimedium filtering layer, removes solid suspension.
(6) filter：Reuse or outer row after water outlet obtained by step (5) is handled through more medium filter.
Contrast test is carried out below：
Contrast test 1
Below by using the effect of specific embodiment of the invention methods described and single biological aerated filter processing method
Carry out contrast test.
1. glucose industrial wastewater water inlet index is shown in Table 1：
Table 1
2. condition：Embodiment double-stage aeration bio-filter+ozone integrated technology, one-level BAF is used
Filler is volcanic rock, and processing time is 30min；Ozone addition is 2~3mg/L；Two grades of aerating biological filter pool fillers are ceramics
Particle, processing time is 40min.Single biological aerated filter is respectively ceramic particle and volcanic rock using filler, without smelly
Oxygen, without two grades of BAFs.It is shown in Table 2 in detail.
Table 2
3. result
Table 3：Embodiment process detects data list
| Water inlet | One-level BAF | Ozone | Two grades of BAF | |
| CODcr(mg/L) | 60 | 32-33 | 28-29 | 22-23 |
| A-N(mg/L) | 2.5 | 1.0 | 0.8 | 0.2 |
| BOD5(mg/L) | 9 | 5 | 4 | ＜ 1.5 |
Contrast test 2
It will be handled below using specific embodiment of the invention methods described with the double-stage aeration bio-filter of identical filler
The effect of method carries out contrast test.
1. glucose industrial wastewater water inlet index is shown in Table 4：
Table 4
2. condition：Embodiment double-stage aeration bio-filter+ozone integrated technology, one-level BAF is used
Filler is volcanic rock, and processing time is 30min；Ozone addition is 2~3mg/L；Two grades of aerating biological filter pool fillers are ceramics
Particle, processing time is 40min.It is respectively ceramic particle and volcano using filler using the same padding aeration bacteria filter of twin-stage
Rock, ozone addition is same with (1).It is shown in Table 5 in detail.
Table 5
Claims (6)
1. a kind of glucose advanced treatment of industrial waste water method, comprises the following steps：
（1）Conventional treatment：Glucose industrial wastewater is passed through into EGSB reactors；A/O is aerobic and settlement treatment, obtains outer draining；
（2）One-level is aerated：Step will be passed through（1）Processed conventionally outer draining is pumped into one-level BAF, is once exposed
Water outlet after gas disposal；The step（2）The microbe carrier of middle one-level BAF is volcanic rock；
（3）Drop ozone processing：By step（2）Gained water outlet, which is delivered to the progress of drop ozone processor and handled, obtains water outlet；
（4）Ozone stripping：By step（3）Gained water outlet, which is delivered to the progress of ozone stripping pond and handled, obtains water outlet；
（5）Two grades of aerations：By step（4）Gained water outlet is delivered to two grades of BAFs, goes out after carrying out secondary Air Exposure
Water；The step（5）In two grades of BAFs microbe carrier be ceramic particle；
（6）Filtering：By step（5）Reuse or outer row after gained water outlet is handled through more medium filter.
2. glucose advanced treatment of industrial waste water method according to claim 1, it is characterised in that the step（2）Using
Outer draining is pumped into one-level BAF by water-delivery pump.
3. glucose advanced treatment of industrial waste water method according to claim 1, it is characterised in that the step（2）One-level
The time of aeration is 25min~30min, and dissolved oxygen is controlled in 10mg/L.
4. glucose advanced treatment of industrial waste water method according to claim 1, it is characterised in that the step（3）It is micro
Ozone usage amount≤5mg/L in ozone processing.
5. glucose advanced treatment of industrial waste water method according to claim 1, it is characterised in that the step（4）Ozone
Ozone is controlled to remain≤0.02 mg/L in stripping.
6. glucose advanced treatment of industrial waste water method according to claim 1, it is characterised in that the step（5）Two grades
The time of aeration is 30min~40min, and dissolved oxygen is controlled in 5mg/L.
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| CN102826716A (en) * | 2012-09-13 | 2012-12-19 | 艾特克控股集团有限公司 | Treatment method for waste water in production of streptomycin sulfate |
| CN103964646A (en) * | 2014-05-21 | 2014-08-06 | 南京大学 | Method for anaerobic-aerobiotic-microbial flocculation reinforced wastewater treatment |
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| CN102826716A (en) * | 2012-09-13 | 2012-12-19 | 艾特克控股集团有限公司 | Treatment method for waste water in production of streptomycin sulfate |
| CN103964646A (en) * | 2014-05-21 | 2014-08-06 | 南京大学 | Method for anaerobic-aerobiotic-microbial flocculation reinforced wastewater treatment |
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Denomination of invention: A method for advanced treatment of glucose industrial wastewater Effective date of registration: 20211221 Granted publication date: 20170929 Pledgee: China Construction Bank Corporation Zouping sub branch Pledgor: SHANDONG XIWANG SUGAR INDUSTRY Co.,Ltd. Registration number: Y2021980015836 |