CN102173551B - Storage and quick activity recovery method for aerobic granular sludge in normal temperature - Google Patents
Storage and quick activity recovery method for aerobic granular sludge in normal temperature Download PDFInfo
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- CN102173551B CN102173551B CN2011100656394A CN201110065639A CN102173551B CN 102173551 B CN102173551 B CN 102173551B CN 2011100656394 A CN2011100656394 A CN 2011100656394A CN 201110065639 A CN201110065639 A CN 201110065639A CN 102173551 B CN102173551 B CN 102173551B
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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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- 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
- Y02W10/20—Sludge processing
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Abstract
The invention relates to a storage and activity recovery method for aerobic granular sludge, in particular to a storage and quick activity recovery method for aerobic granular sludge in normal temperature. The storage and quick activity recovery method for aerobic granular sludge in normal temperature, provided by the invention, comprises the following steps of: (1) preparation of aerobic granular sludge; (2) storage of the aerobic granular sludge; (3) activity recovery of the aerobic granular sludge: placing the stored aerobic granular sludge in a sequencing batch reactor, adjusting the operation conditions of the reactor, operating the reactor, and completing the storage and activity recovery of the aerobic granular sludge. The method provided by the invention is carried out in normal condition, and the cost is reduced. By using the method provided by the invention, after the aerobic granular sludge is stored for long term at normal temperature, the quick recovery of the aerobic granular sludge can be realized within 5-7 days. The method provided by the invention can be applied to the field of sludge treatment.
Description
Technical field
The present invention relates to a kind of storage and method for activation recovering of aerobic particle mud.
Background technology
Granule sludge is a kind of special microbial film of the mikrobe self coagulation phenomenon of in WWT, finding, can be divided into aerobic particle mud and anaerobic grain sludge.The research of aerobic particle mud starts from 1991; Characteristics such as aerobic particle mud has Stability Analysis of Structures, biological densification, bio-transformation efficient is high, settling property is good; Can make and maintain higher sludge concentration and volumetric loading in the reactor drum, and can dwindle the mud second pond.In addition; Aerobic particle mud has the variety of microbial population; In the degraded organic carbon; Function with denitrogenation dephosphorizing and synchronous nitration and denitrification is compared with traditional activated sludge process, can simplify volume and floor space, reduction investment and the running cost of technical process, minimizing Sewage treatment systems.
Aerobic particle mud exists incubation time longer in actual application, and the cultivation operational conditions of granule sludge is bigger to influences such as prilling process, structural performance and degradation functions, thereby directly influences production and the application of granule sludge in actual engineering.And the practical applications that the anaerobic grain sludge after storing starts in the UASB reactor drum fast, aerobic particle mud storage back is started as seed sludge realization response device fast becomes possibility.Granule sludge after the storage is as biological species mud; Can realize the quick startup of bio-reactor; Thereby shortened the startup working time of reactor drum greatly, reduced running cost and expense, for the practical application of aerobic particle mud and commercially produce that provide maybe.Aerobic particle mud is through losing its structural stability and biological activity after the standing storage; Therefore keep the stability of aerobic particle mud in the storage process and realize storage back granule sludge structure and bioactive fast quick-recovery, become the key of aerobic particle mud in the field of waste water treatment practical application.Storage for aerobic particle mud mainly is under low temperature (refrigeration or freezing) condition, to carry out at present, and the mud storage condition is harsh, and working cost is higher, is unfavorable for large-scale actual production of aerobic particle mud and application; Aerobic particle mud is through (＞6 months) after the standing storage under the normal temperature, and granule sludge exists the activation recovering time longer, is about 1 month, and the granule sludge after recovering is to low, the structural instability of removal efficient of organism, nitrogen and phosphorus.
Summary of the invention
The invention provides the storage and the active quick recovery method of aerobic particle mud under a kind of normal temperature.
The storage of aerobic particle mud and active quick recovery method under a kind of normal temperature of the present invention, carry out according to the following steps: one, the preparation of aerobic particle mud: it is 0.4m that cotton-shaped active sludge is placed aeration rate
3/ h; Temperature is in 23～25 ℃ the sequencing batch reactor of 12L; Cultivate domestication 3 months, must cultivate sophisticated aerobic particle mud, being used in the sequencing batch reactor cultivate the culture medium of taming aerobic particle mud is sole carbon source with glucose; COD concentration is 500～600mg/L in the culture medium of aerobic particle mud, NH
4 +-N concentration is 30～35mg/L, PO
4 3--P concentration is 5～6mg/L, and basicity is 200～250mg/L, Ca
2+Concentration is 20mg/L, and trace element solution concentration is 1mL/L; Two, the storage of aerobic particle mud: get the ripe aerobic particle mud that step 1 is cultivated, staticly settle 10min, outwell supernatant, clean 3 times with tap water then, in the plastic tank of packing into afterwards, store 8～12 months down in 20～26 ℃ of normal temperature; Three, the activation recovering of aerobic particle mud: will pass through aerobic particle mud after the storage and transfer at 23～25 ℃ and place sequencing batch reactor, recovering that matrix selects with glucose is sole carbon source, and COD concentration is 400～450mg/L, NH
4 +-N concentration is 15～20mg/L, PO
4 3--P concentration is 4～5mg/L, and basicity is 180～200mg/L, Ca
2+Concentration is 10mg/L, and trace element solution concentration is 1mL/L, and hydraulic shear is 2.6cm/s, moves 5～7 days, accomplishes the activation recovering of aerobic particle mud; Wherein the trace element solution in the step 1 is every liter of H by 50mg
3BO
3, 50mg ZnCl
2, 30mg CuCl
2, 50mg MnSO
4H
2(the NH of O, 50mg
4)
6Mo
7O
244H
2The AlCl of O, 50mg
3, 50mg CoCl
26H
2The NiCl of O, 50mg
2, the KCl of 18mg, the FeCl of 15mg
3, 20mg MgSO
47H
2The zero(ppm) water of O and surplus is formed, and trace element solution used in step 1 and the step 3 is identical.
The culture medium of aerobic particle mud is sole carbon source with glucose among the present invention.Aerobic particle mud of the present invention stores under normal temperature condition, saves the energy, has reduced working cost.Use method of the present invention; Aerobic particle mud passes through (8～12 months) after the standing storage at normal temperatures, not only can in 5～7 days, realize the active fast quick-recovery of granule sludge, returns to the level before storing; And the aerobic particle mud system after the activation has good organic matter removal and denitrogenation dephosphorizing performance; The granule sludge structure is closely knit, and settling property is good, has successfully realized the quick startup of granule sludge system.
Embodiment
Technical scheme of the present invention is not limited to following cited embodiment, also comprises the arbitrary combination between each embodiment.
Embodiment one: the storage of aerobic particle mud and active quick recovery method under a kind of normal temperature of this embodiment, carry out according to the following steps: one, the preparation of aerobic particle mud: it is 0.4m that cotton-shaped active sludge is placed aeration rate
3/ h; Temperature is in 23～25 ℃ the sequencing batch reactor of 12L; Cultivate domestication 3 months, must cultivate sophisticated aerobic particle mud, being used in the sequencing batch reactor cultivate the culture medium of taming aerobic particle mud is sole carbon source with glucose; COD concentration is 500～600mg/L in the culture medium of aerobic particle mud, NH
4 +-N concentration is 30～35mg/L, PO
4 3--P concentration is 5～6mg/L, and basicity is 200～250mg/L, Ca
2+Concentration is 20mg/L, and trace element solution concentration is 1mL/L; Two, the storage of aerobic particle mud: get the ripe aerobic particle mud that step 1 is cultivated, staticly settle 10min, outwell supernatant, clean 3 times with tap water then, in the plastic tank of packing into afterwards, store 8～12 months down in 20～26 ℃ of normal temperature; Three, the activation recovering of aerobic particle mud: will pass through aerobic particle mud after the storage and transfer at 23～25 ℃ and place sequencing batch reactor, recovering that matrix selects with glucose is sole carbon source, and COD concentration is 400～450mg/L, NH
4 +-N concentration is 15～20mg/L, PO
4 3--P concentration is 4～5mg/L, and basicity is 180～200mg/L, Ca
2+Concentration is 10mg/L, and trace element solution concentration is 1mL/L, and hydraulic shear is 2.6cm/s, moves 5～7 days, accomplishes the activation recovering of aerobic particle mud; Wherein the trace element solution in the step 1 is every liter of H by 50mg
3BO
3, 50mg ZnCl
2, 30mg CuCl
2, 50mg MnSO
4H
2(the NH of O, 50mg
4)
6Mo
7O
244H
2The AlCl of O, 50mg
3, 50mg CoCl
26H
2The NiCl of O, 50mg
2, the KCl of 18mg, the FeCl of 15mg
3, 20mg MgSO
47H
2The zero(ppm) water of O and surplus is formed, and trace element solution used in step 1 and the step 3 is identical.
The culture medium of aerobic particle mud of the present invention is sole carbon source with glucose.Aerobic particle mud storage method of the present invention carries out under normal temperature condition, saves the energy, has reduced working cost.Use method of the present invention; Aerobic particle mud passes through (8～12 months) after the standing storage at normal temperatures; Not only can in 5～7 days, realize the active fast quick-recovery of granule sludge, return to the level before storing, and the aerobic particle mud system after the activation have good organic matter removal and denitrogenation dephosphorizing performance; The granule sludge structure is closely knit, and settling property is good.
Embodiment two: what this embodiment and embodiment one were different is: COD concentration is 530～570mg/L in the step 1.Other is identical with embodiment one.
Embodiment three: what this embodiment and embodiment one were different is: COD concentration is 550mg/L in the step 1.Other is identical with embodiment one.
Embodiment four: what this embodiment was different with one of embodiment one to three is: NH in the step 1
4 +-N concentration is 32～33mg/L.Other is identical with one of embodiment one to three.
Embodiment five: what this embodiment was different with one of embodiment one to four is: PO in the step 1
4 3--P concentration is 5.5mg/L.Other is identical with one of embodiment one to four.
Embodiment six: what this embodiment was different with one of embodiment one to five is: basicity is 220～230mg/L in the step 1.Other is identical with one of embodiment one to five.
Embodiment seven: what this embodiment was different with one of embodiment one to six is: store down in 22～24 ℃ of normal temperature in the step 2.Other is identical with one of embodiment one to six.
Embodiment eight: what this embodiment was different with one of embodiment one to six is: store down in 23 ℃ of normal temperature in the step 2.Other is identical with one of embodiment one to six.
Embodiment nine: what this embodiment was different with one of embodiment one to eight is: COD concentration is 420～430mg/L in the step 3.Other is identical with one of embodiment one to eight.
Embodiment ten: what this embodiment was different with one of embodiment one to nine is: NH in the step 3
4 +-N concentration is 17～18mg/L.Other is identical with one of embodiment one to nine.
Embodiment 11: what this embodiment was different with one of embodiment one to ten is: PO in the step 3
4 3--P concentration is 4.5mg/L.Other is identical with one of embodiment one to ten.
Embodiment 12: what this embodiment was different with one of embodiment one to 11 is: basicity is 190mg/L in the step 3.Other is identical with one of embodiment one to 11.
Embodiment 13: what this embodiment was different with one of embodiment one to 12 is: the Ca in step 1 and the step 3
2+Be with CaCl
2Form adds.Other is identical with one of embodiment one to 12.
Embodiment 14: the storage of aerobic particle mud and active quick recovery method under a kind of normal temperature of this embodiment, carry out according to the following steps: one, the preparation of aerobic particle mud: it is 0.4m that cotton-shaped active sludge is placed aeration rate
3/ h; Temperature is in 24 ℃ the sequencing batch reactor of 12L; Cultivate domestication 3 months, must cultivate sophisticated aerobic particle mud, being used in the sequencing batch reactor cultivate the culture medium of taming aerobic particle mud is sole carbon source with glucose; COD concentration is 550mg/L in the culture medium of aerobic particle mud, NH
4 +-N concentration is 32mg/L, PO
4 3--P concentration is 5mg/L, and basicity is 220mg/L, Ca
2+Concentration is 20mg/L, and trace element solution concentration is 1mL/L; Two, the storage of aerobic particle mud: get the ripe aerobic particle mud that step 1 is cultivated, staticly settle 10min, outwell supernatant, clean 3 times with tap water then, in the plastic tank of packing into afterwards, store 8～12 months down in 25 ℃ of normal temperature; Three, the activation recovering of aerobic particle mud: will pass through aerobic particle mud after the storage and transfer at 24 ℃ and place sequencing batch reactor, recovering that matrix selects with glucose is sole carbon source, and COD concentration is 430mg/L, NH
4 +-N concentration is 17mg/L, PO
4 3--P concentration is 5mg/L, and basicity is 190mg/L, Ca
2+Concentration is 10mg/L, and trace element solution concentration is 1mL/L, and hydraulic shear is 2.6cm/s, moves 5～7 days, accomplishes the activation recovering of aerobic particle mud; Wherein the trace element solution in the step 1 is every liter of H by 50mg
3BO
3, 50mg ZnCl
2, 30mg CuCl
2, 50mg MnSO
4H
2(the NH of O, 50mg
4)
6Mo
7O
244H
2The AlCl of O, 50mg
3, 50mg CoCl
26H
2The NiCl of O, 50mg
2, the KCl of 18mg, the FeCl of 15mg
3, 20mg MgSO
47H
2The zero(ppm) water of O and surplus is formed, and trace element solution used in step 1 and the step 3 is identical; Ca in step 1 and the step 3
2+Be with CaCl
2Form adds.
In this embodiment, COD, the NH of aerobic particle mud system before storing
4 +-N and PO
4 3--P clearance all maintains more than 93%, and (SOUR) can reach 35～38mg-O than aerobic speed
2/ g-SS h
-1Use the method for this embodiment, 8 months aerobic particle mud of the following storage of normal temperature moves through 7 days activation, and the activity of granule sludge can be recovered, the COD of aerobic particle mud system, NH
4 +-N and PO
4 3--P clearance reaches 94.86%, 92.06% and 90.23% respectively, and (SOUR) can reach 41.44mg-O than aerobic speed
2/ g-SS h
-1
The aerobic particle mud that this embodiment step 1 is made stores 8 months at 4 ℃, uses the method for activation recovering of this embodiment, through 7 days activation operation, the COD of aerobic particle mud system, NH
4 +-N and PO
4 3--P clearance reaches 93.96%, 92.19% and 95.48% respectively, and (SOUR) can reach 47.28mg-O than aerobic speed
2/ g-SS h
-1Can find out that by above data the granule sludge activation recovering effect of this embodiment of process method normal temperature storage is suitable with the granule sludge activation recovering effect of stored under refrigeration, and adopts normal temperature storage can save a large amount of energy, and stores more convenient.
The aerobic particle mud that this embodiment step 1 is made stores 8 months at-25 ℃, uses the method for activation recovering of this embodiment, through 7 days activation operation, the COD of aerobic particle mud system, NH
4 +-N and PO
4 3--P clearance reaches 94.79%, 91.25% and 91.81% respectively, and (SOUR) can reach 43.07mg-O than aerobic speed
2/ g-SS h
-1Can find out that by above data the granule sludge activation recovering effect of this embodiment of process method normal temperature storage is suitable with the granule sludge activation recovering effect of stored under refrigeration, and adopts normal temperature storage can save a large amount of energy, and stores more convenient.
12 months aerobic particle mud of the following storage of this embodiment normal temperature moves the COD of aerobic particle mud system, NH through 5 days activation
4 +-N and PO
4 3--P clearance reaches 92.6%, 91.8% and 89.28% respectively, and (SOUR) can return to 34.55mg-O than aerobic speed
2/ g-SS h
-1, reach former activated more than 90%; Through 7 days activation operation, the COD of aerobic particle mud system, NH
4 +-N and PO
4 3--P clearance reaches 97.4%, 94.9% and 93.1% respectively, and (SOUR) can reach 40.63mg-O than aerobic speed
2/ g-SS h
-1, original activity is recovered fully, and the aerobic particle mud after the activation simultaneously can be obtained good COD, nitrogen and phosphorus removal effect.
Claims (10)
1. the storage and the active quick recovery method of aerobic particle mud under the normal temperature; It is characterized in that the storage and the active quick recovery method of aerobic particle mud under the normal temperature, carry out according to the following steps: one, the preparation of aerobic particle mud: it is 0.4m that cotton-shaped active sludge is placed aeration rate
3/ h; Temperature is in 23～25 ℃ the sequencing batch reactor of 12L; Cultivate domestication 3 months, must cultivate sophisticated aerobic particle mud, being used in the sequencing batch reactor cultivate the culture medium of taming aerobic particle mud is sole carbon source with glucose; COD concentration is 500～600mg/L in the culture medium of aerobic particle mud, NH
4 +-N concentration is 30～35mg/L, PO
4 3--P concentration is 5～6mg/L, and basicity is 200～250mg/L, Ca
2+Concentration is 20mg/L, and the concentration of trace element solution is 1mL/L; Two, the storage of aerobic particle mud: get step 1 and cultivate sophisticated aerobic particle mud, staticly settle 10min, outwell supernatant, clean 3 times with tap water then, in the plastic tank of packing into afterwards, store 8～12 months down in 20～26 ℃ of normal temperature; Three, the activation recovering of aerobic particle mud: will pass through aerobic particle mud after the storage and transfer at 23～25 ℃ and place sequencing batch reactor, recovering that matrix selects with glucose is sole carbon source, and COD concentration is 400～450mg/L, NH
4 +-N concentration is 15～20mg/L, PO
4 3--P concentration is 4～5mg/L, and basicity is 180～200mg/L, Ca
2+Concentration is 10mg/L, and trace element solution concentration is 1mL/L, and hydraulic shear is 2.6cm/s, moves 5～7 days, accomplishes the aerobic particle mud activation recovering; Every liter of H of the trace element solution in the step 1 wherein by 50mg
3BO
3, 50mg ZnCl
2, 30mg CuCl
2, 50mg MnSO
4H
2(the NH of O, 50mg
4)
6Mo
7O
244H
2The AlCl of O, 50mg
3, 50mg CoCl
26H
2The NiCl of O, 50mg
2, the KCl of 18mg, the FeCl of 15mg
3, 20mg MgSO
47H
2The zero(ppm) water of O and surplus is formed, and trace element solution used in step 1 and the step 3 is identical.
2. the storage of aerobic particle mud and active quick recovery method under a kind of normal temperature according to claim 1 is characterized in that COD concentration is 530～570mg/L in the step 1.
3. the storage of aerobic particle mud and active quick recovery method is characterized in that NH in the step 1 under a kind of normal temperature according to claim 1
4 +-N concentration is 32～33mg/L.
4. the storage of aerobic particle mud and active quick recovery method is characterized in that PO in the step 1 under a kind of normal temperature according to claim 1
4 3--P concentration is 5.5mg/L.
5. the storage of aerobic particle mud and active quick recovery method under a kind of normal temperature according to claim 1 is characterized in that basicity is 220～230mg/L in the step 1.
6. the storage of aerobic particle mud and active quick recovery method under a kind of normal temperature according to claim 1 is characterized in that storing down in 22～24 ℃ of normal temperature in the step 2.
7. the storage of aerobic particle mud and active quick recovery method under a kind of normal temperature according to claim 1 is characterized in that COD concentration is 420～430mg/L in the step 3.
8. the storage of aerobic particle mud and active quick recovery method is characterized in that NH in the step 3 under a kind of normal temperature according to claim 1
4 +-N concentration is 17～18mg/L.
9. the storage of aerobic particle mud and active quick recovery method is characterized in that PO in the step 3 under a kind of normal temperature according to claim 1
4 3--P concentration is 4.5mg/L.
10. the storage of aerobic particle mud and active quick recovery method under a kind of normal temperature according to claim 1 is characterized in that basicity is 190mg/L in the step 3.
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| CN104556362B (en) * | 2013-10-11 | 2017-02-01 | 中国石油化工股份有限公司 | Aerobic granular sludge culture method |
| CN103755016B (en) * | 2014-01-14 | 2015-10-28 | 复旦大学 | A kind of method of modifying of biological floe sorbing material |
| CN110894101B (en) * | 2018-09-12 | 2020-12-29 | 江南大学 | Method for determining optimal storage temperature of nitrification and denitrification biomembrane for sewage treatment |
| CN110835157B (en) * | 2018-08-15 | 2020-12-29 | 江南大学 | Method for determining optimal storage temperature of aerobic granular sludge |
| CN110407336B (en) * | 2019-08-08 | 2022-04-08 | 青岛思普润水处理股份有限公司 | Wet storage and activity recovery method based on MBBR (moving bed biofilm reactor) autotrophic denitrification suspension carrier |
| CN112960768B (en) * | 2021-02-23 | 2022-08-26 | 广东工业大学 | Aerobic granular sludge, long-term storage method thereof and activity recovery method after storage |
| CN113697939B (en) * | 2021-08-30 | 2022-10-11 | 武汉大学 | Method for storing aerobic granular sludge on site and rapidly restarting system thereof under natural condition |
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| US6793822B2 (en) * | 2002-02-22 | 2004-09-21 | Sut Seraya Pte Ltd. | Aerobic biomass granules for waste water treatment |
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