CN107082488A - The anaerobic membrane bioreactor and its processing method of a kind of effective processing kitchen waste water - Google Patents
The anaerobic membrane bioreactor and its processing method of a kind of effective processing kitchen waste water Download PDFInfo
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- CN107082488A CN107082488A CN201710101002.3A CN201710101002A CN107082488A CN 107082488 A CN107082488 A CN 107082488A CN 201710101002 A CN201710101002 A CN 201710101002A CN 107082488 A CN107082488 A CN 107082488A
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- Prior art keywords
- anaerobic
- kitchen waste
- waste water
- membrane bioreactor
- intake
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- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2853—Anaerobic digestion processes using anaerobic membrane bioreactors
-
- 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
- C02F3/006—Regulation methods for biological treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The invention discloses a kind of anaerobic membrane bioreactor of effective processing kitchen waste water and its processing method, anaerobic membrane bioreactor includes anaerobic jar, circulating pump, intake pump, intake pool and discharge bay successively from left to right, circulating pump is connected with anaerobic jar respectively with intake pump, and intake pool is connected with intake pump.Sludge is added in anaerobic membrane bioreactor, different sludge retention times are set, kitchen waste water is mixed with film concentrate and enter anaerobic jar from water distributor, the biogas produced is decomposed to discharge by water sealed tank, the remaining mixed liquor decomposed that do not complete enters in circulating pump and membrane module, the kitchen waste water newly added with intake pump China again is mixed enters anaerobic jar by water distributor, is circulated with this.It is an advantage of the invention that can realize by rationally controlling sludge retention time to cut down the accumulation of colloidal attitude and dissolubility macromolecular state organic matter, Ca is reduced2+Cumulative concentration, mitigates sludge calcification degree, so as to obtain the best efficiency that anaerobic membrane bioreactor handles kitchen waste water.
Description
Technical field
The present invention relates to a kind of anaerobic membrane bioreactor, more particularly to a kind of anaerobic membrane life of effective processing kitchen waste water
Thing reactor and its processing method.
Background technology
The exploitation of anaerobic membrane bioreactor and the study hotspot that application is in recent years.Based on membrane module to the complete of microorganism
Full retention, anaerobic membrane bioreactor can realize efficiently separating for sludge retention time and hydraulic detention time.Also therefore,
Anaerobic membrane bioreactor has biomass is high, organic matter transformation rate is high, anti impulsion load ability is strong and effluent quality is good etc.
Advantage.But anaerobic membrane bioreactor equipment is used only on processing organic wastewater mostly at present.Anaerobic membrane life in the present invention
Thing reactor can effectively be handled for life kitchen waste water.
The content of the invention
It is an object of the invention to provide a kind of anaerobic membrane bioreactor of effective processing kitchen waste water and its processing method,
Aim at by rationally controlling sludge retention time to cut down the accumulation of colloidal attitude and dissolubility macromolecular state organic matter, reduce
Ca2+Cumulative concentration, mitigates sludge calcification degree, so as to obtain the best efficiency that anaerobic membrane bioreactor handles kitchen waste water.
The present invention is achieved through the following technical solutions：
A kind of anaerobic membrane bioreactor of effective processing kitchen waste water, anaerobic membrane bioreactor is wrapped successively from left to right
Include anaerobic jar, circulating pump, intake pump, intake pool and discharge bay, circulating pump is connected with anaerobic jar respectively with intake pump, intake pool with
Intake pump is connected, and anaerobism tank front, which is provided with below sample tap I, sample tap II and sample tap III, anaerobic jar, is provided with water distribution
Temp probe and evacuation port are respectively equipped with the left of device, anaerobic jar, temp probe is located above evacuation port, is connected with above anaerobic jar
Water sealed tank and gas flowmeter, circulating pump both sides are connected with the left of first flowmeter and membrane module, intake pump respectively is provided with second
Agitator is installed in gauge, intake pool.
Further, the volume of the anaerobic jar is 1m3。
Further, the membrane module is made up of two tubular ultra-filtration membranes.
Further, the tubular ultra-filtration membrane area is 0.095 ㎡, and membrane material is Vingon, trapped molecular weight
For 100kDa.
Further, the circulating pump control cross-flow rate be 2.2ms-1。
A kind of method that utilization anaerobic membrane bioreactor effectively handles kitchen waste water, adds in anaerobic membrane bioreactor
Enter sludge, sludge retention time is set, kitchen waste water is mixed with film concentrate and enter anaerobic jar from water distributor, decompose and produce
Biogas discharged by water sealed tank, be left do not complete decompose mixed liquor enter circulating pump and membrane module in, then with intake pump
The kitchen waste water mixing that state newly adds enters anaerobic jar by water distributor, is circulated with this.
Further, the sludge is derived from anaerobic digestor of the destructor plant more than 3 years ' operation.
Further, the sludge retention time is arranged on 20-50 days.
The beneficial effects of the invention are as follows：The setting of temp probe being capable of detection temperature in real time；Circulating pump controls cross-flow rate
For 2.2ms-1, average mould is 0.23MPa, produces 2.0mh-1Upflow velocity ensure that digestive system is sufficiently mixed,
Therefore without additional agitating device；First flowmeter and second flowmeter can realize the real-time monitoring of sludge volume and film water yield；
Sludge retention time is set to can significantly to cut down within 20-50 days the accumulation of colloidal attitude and dissolubility macromolecular state organic matter,
Organic loading and film water outlet conversion ratio can be effectively improved, Ca is reduced2+Cumulative concentration, so as to improve membrane flux, slow down film dirty
Dye trend and sludge calcification degree；
Brief description of the drawings
The present invention is made with reference to the accompanying drawings and detailed description and being described in further detail.
Fig. 1 is the structural representation of anaerobic membrane bioreactor in the present invention.
Wherein：1st, anaerobic jar, 2, circulating pump, 3, intake pump, 4, intake pool, 5, discharge bay, 6, sample tap I, 7, sample tap
II, 8, sample tap III, 9, water-locator, 10, temp probe, 11, evacuation port, 12, water sealed tank, 13, gas flowmeter, 14,
Flow meters, 15, membrane module, 16, second flowmeter, 17, agitator.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, should
Embodiment is only used for explaining the present invention, does not constitute the restriction to protection scope of the present invention.
Embodiment 1
A kind of anaerobic membrane bioreactor of effective processing kitchen waste water, anaerobic membrane bioreactor is wrapped successively from left to right
Anaerobic jar 1, circulating pump 2, intake pump 3, intake pool 4 and discharge bay 5 are included, the volume of anaerobic jar 1 is 1m3, circulating pump 2 is with intaking
Pump 3 is connected with anaerobic jar 1 respectively, circulating pump 2 control cross-flow rate be 2.2 ms-1, intake pool 4 is connected with intake pump 3, detests
The tank body of oxygen tank 1 front is provided with sample tap I 6, sample tap II 7 and sample tap III 8, and the lower section of anaerobic jar 1 is provided with water-locator 9, detested
The left side of oxygen tank 1 is respectively equipped with temp probe 10 and evacuation port 11, and temp probe 10 is located at the top of evacuation port 11, the top of anaerobic jar 1
Water sealed tank 12 and gas flowmeter 13 are connected with, the both sides of circulating pump 2 are connected with first flowmeter 14 and membrane module 15, membrane module respectively
15 are made up of two tubular ultra-filtration membranes, and tubular ultra-filtration membrane area is 0.095 ㎡, and membrane material is Vingon, retain molecule matter
Measure as 100kDa, the left side of intake pump 3, which is provided with second flowmeter 16, intake pool 4, is provided with agitator 17.One kind utilizes anaerobism
The method that membrane bioreactor effectively handles kitchen waste water, adds destructor plant anaerobic digestion in anaerobic membrane bioreactor
Sludge in tank more than 3 years ' operation, set sludge retention time at 20 days, kitchen waste water is mixed with film concentrate and from cloth
Hydrophone 9 enters anaerobic jar 1, decomposes the biogas produced and is discharged by water sealed tank 12, and the remaining unfinished mixed liquor decomposed, which enters, to follow
In ring pump 2 and membrane module 15, then mix with the kitchen waste water newly added in intake pump 3 anaerobic jar 1 is entered by water-locator 9, with
This circulation.
Using above-mentioned sludge retention time, available treatment effect is：
| Title (unit) | Number range |
| Water inlet organic loading (kg COD (m3·d)-1) | (9.1±1.6) |
| Film water yield (gL-1) | <3.5 |
| Film goes out water removal rate (%) | >96% |
| Film water outlet conversion ratio (%) | (72.2 ± 6.2) % |
| Biogas produces intensity (m3·(m3·d)-1) | (3.2±0.7) |
| VFA concentration (gL-1) | (1.1±0.1) |
| Maximum membrane flux (L (m2h)-1) | 12.6 |
| The decline of membrane flux rate (L (m in cleaning frequency2·h·d)-1) | (0.19±0.21) |
| Ca2+Concentration (mgL-1) | 1250 |
| Long chain fatty acids (gL-1) | 3270 |
Embodiment 2
A kind of anaerobic membrane bioreactor of effective processing kitchen waste water, anaerobic membrane bioreactor is wrapped successively from left to right
Anaerobic jar 1, circulating pump 2, intake pump 3, intake pool 4 and discharge bay 5 are included, the volume of anaerobic jar 1 is 1m3, circulating pump 2 is with intaking
Pump 3 is connected with anaerobic jar 1 respectively, circulating pump 2 control cross-flow rate be 2.2 ms-1, intake pool 4 is connected with intake pump 3, detests
The tank body of oxygen tank 1 front is provided with sample tap I 6, sample tap II 7 and sample tap III 8, and the lower section of anaerobic jar 1 is provided with water-locator 9, detested
The left side of oxygen tank 1 is respectively equipped with temp probe 10 and evacuation port 11, and temp probe 10 is located at the top of evacuation port 11, the top of anaerobic jar 1
Water sealed tank 12 and gas flowmeter 13 are connected with, the both sides of circulating pump 2 are connected with first flowmeter 14 and membrane module 15, membrane module respectively
15 are made up of two tubular ultra-filtration membranes, and tubular ultra-filtration membrane area is 0.095 ㎡, and membrane material is Vingon, retain molecule matter
Measure as 100kDa, the left side of intake pump 3, which is provided with second flowmeter 16, intake pool 4, is provided with agitator 17.One kind utilizes anaerobism
The method that membrane bioreactor effectively handles kitchen waste water, adds destructor plant anaerobic digestion in anaerobic membrane bioreactor
Sludge in tank more than 3 years ' operation, set sludge retention time at 30 days, kitchen waste water is mixed with film concentrate and from cloth
Hydrophone 9 enters anaerobic jar 1, decomposes the biogas produced and is discharged by water sealed tank 12, and the remaining unfinished mixed liquor decomposed, which enters, to follow
In ring pump 2 and membrane module 15, then mix with the kitchen waste water newly added in intake pump 3 anaerobic jar 1 is entered by water-locator 9, with
This circulation.
Using above-mentioned sludge retention time, available treatment effect is：
| Title (unit) | Number range |
| Water inlet organic loading (kg COD (m3·d)-1) | (8.7±1.3) |
| Film water yield (gL-1) | <1.7 |
| Film goes out water removal rate (%) | >98% |
| Film water outlet conversion ratio (%) | (82.1 ± 7.3) % |
| Biogas produces intensity (m3·(m3·d)-1) | (4.5±0.8) |
| VFA concentration (gL-1) | <0.4 |
| Maximum membrane flux (L (m2h)-1) | 15.3 |
| The decline of membrane flux rate (L (m in cleaning frequency2·h·d)-1) | (0.12±0.13) |
| Ca2+Concentration (mgL-1) | 2000 |
| Long chain fatty acids (gL-1) | 1860 |
Embodiment 3
A kind of anaerobic membrane bioreactor of effective processing kitchen waste water, anaerobic membrane bioreactor is wrapped successively from left to right
Anaerobic jar 1, circulating pump 2, intake pump 3, intake pool 4 and discharge bay 5 are included, the volume of anaerobic jar 1 is 1m3, circulating pump 2 is with intaking
Pump 3 is connected with anaerobic jar 1 respectively, circulating pump 2 control cross-flow rate be 2.2 ms-1, intake pool 4 is connected with intake pump 3, detests
The tank body of oxygen tank 1 front is provided with sample tap I 6, sample tap II 7 and sample tap III 8, and the lower section of anaerobic jar 1 is provided with water-locator 9, detested
The left side of oxygen tank 1 is respectively equipped with temp probe 10 and evacuation port 11, and temp probe 10 is located at the top of evacuation port 11, the top of anaerobic jar 1
Water sealed tank 12 and gas flowmeter 13 are connected with, the both sides of circulating pump 2 are connected with first flowmeter 14 and membrane module 15, membrane module respectively
15 are made up of two tubular ultra-filtration membranes, and tubular ultra-filtration membrane area is 0.095 ㎡, and membrane material is Vingon, retain molecule matter
Measure as 100kDa, the left side of intake pump 3, which is provided with second flowmeter 16, intake pool 4, is provided with agitator 17.One kind utilizes anaerobism
The method that membrane bioreactor effectively handles kitchen waste water, adds destructor plant anaerobic digestion in anaerobic membrane bioreactor
Sludge in tank more than 3 years ' operation, set sludge retention time at 50 days, kitchen waste water is mixed with film concentrate and from cloth
Hydrophone 9 enters anaerobic jar 1, decomposes the biogas produced and is discharged by water sealed tank 12, and the remaining unfinished mixed liquor decomposed, which enters, to follow
In ring pump 2 and membrane module 15, then mix with the kitchen waste water newly added in intake pump 3 anaerobic jar 1 is entered by water-locator 9, with
This circulation.
Using above-mentioned sludge retention time, available treatment effect is：
| Title (unit) | Number range |
| Water inlet organic loading (kg COD (m3·d)-1) | (6.1±1.1) |
| Film water yield (gL-1) | <1.5 |
| Film goes out water removal rate (%) | >98% |
| Film water outlet conversion ratio (%) | (83.8 ± 7.1) % |
| Biogas produces intensity (m3·(m3·d)-1) | (3.9±0.9) |
| VFA concentration (gL-1) | <0.2 |
| Maximum membrane flux (L (m2h)-1) | 13.3 |
| The decline of membrane flux rate (L (m in cleaning frequency2·h·d)-1) | (0.22±0.28) |
| Ca2+Concentration (mgL-1) | 2540 |
| Long chain fatty acids (gL-1) | 1360 |
The principle of above-described embodiment only illustrative present invention, and the embodiment that part is used, for this area
Technical staff designs similar technical scheme under the inspiration of technical solution of the present invention, and reach the effect of above-mentioned technology,
Belong to protection scope of the present invention.
Claims (8)
1. a kind of anaerobic membrane bioreactor of effective processing kitchen waste water, it is characterised in that：The anaerobic membrane bioreactor
Include anaerobic jar, circulating pump, intake pump, intake pool and discharge bay, the circulating pump and the intake pump point successively from left to right
Be not connected with the anaerobic jar, the intake pool is connected with the intake pump, anaerobism tank front provided with sample tap I,
Be provided with below sample tap II and sample tap III, the anaerobic jar on the left of water-locator, the anaerobic jar be respectively equipped with temp probe and
Evacuation port, the temp probe is located above the evacuation port, and water sealed tank and gas flowmeter are connected with above the anaerobic jar,
The circulating pump both sides are connected with first flowmeter and membrane module respectively, are provided with second flowmeter on the left of the intake pump, it is described enter
Agitator is installed in pond.
2. a kind of anaerobic membrane bioreactor of effective processing kitchen waste water according to claim 1, it is characterised in that：Institute
The volume for stating anaerobic jar is 1m3。
3. a kind of anaerobic membrane bioreactor of effective processing kitchen waste water according to claim 1, it is characterised in that：Institute
Membrane module is stated to be made up of two tubular ultra-filtration membranes.
4. a kind of anaerobic membrane bioreactor of effective processing kitchen waste water according to claim 3, it is characterised in that：Institute
Tubular ultra-filtration membrane area is stated for 0.095 ㎡, membrane material is Vingon, and trapped molecular weight is 100kDa.
5. a kind of anaerobic membrane bioreactor of effective processing kitchen waste water according to claim 1, it is characterised in that：Institute
That states circulating pump controls cross-flow rate to be 2.2ms-1。
6. a kind of method that utilization anaerobic membrane bioreactor effectively handles kitchen waste water, it is characterised in that：In anaerobic membrane biosystem
Sludge is added in reactor, sludge retention time is set, kitchen waste water is mixed with film concentrate and enters anaerobism from water distributor
Tank, decomposes the biogas produced and is discharged by water sealed tank, and the mixed liquor for being left not completing decomposition enters in circulating pump and membrane module, then
The kitchen waste water newly added with intake pump China is mixed enters anaerobic jar by water distributor, is circulated with this.
7. the method that a kind of utilization anaerobic membrane bioreactor according to claim 6 effectively handles kitchen waste water, it is special
Levy and be：The sludge is derived from anaerobic digestor of the destructor plant more than 3 years ' operation.
8. the method that a kind of utilization anaerobic membrane bioreactor according to claim 6 effectively handles kitchen waste water, it is special
Levy and be：The sludge retention time is arranged on 20-50 days.
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| CN201710101002.3A CN107082488A (en) | 2017-02-23 | 2017-02-23 | The anaerobic membrane bioreactor and its processing method of a kind of effective processing kitchen waste water |
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| CN201710101002.3A CN107082488A (en) | 2017-02-23 | 2017-02-23 | The anaerobic membrane bioreactor and its processing method of a kind of effective processing kitchen waste water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083434A (en) * | 2018-01-22 | 2018-05-29 | 佛山市诺瓦安评检测有限公司 | A kind of method for handling kitchen waste water |
| CN113104970A (en) * | 2021-04-09 | 2021-07-13 | 江南大学 | Efficient anaerobic device for leachate of garbage transfer station and treatment method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104710005A (en) * | 2015-03-25 | 2015-06-17 | 苏州苏科环保科技有限公司 | External anaerobic membrane bioreactor |
-
2017
- 2017-02-23 CN CN201710101002.3A patent/CN107082488A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104710005A (en) * | 2015-03-25 | 2015-06-17 | 苏州苏科环保科技有限公司 | External anaerobic membrane bioreactor |
Non-Patent Citations (1)
| Title |
|---|
| W. S. WINSTON HO，KAMALESH K. SIRKAR: "《膜手册》", 31 December 1997, 北京：海洋出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083434A (en) * | 2018-01-22 | 2018-05-29 | 佛山市诺瓦安评检测有限公司 | A kind of method for handling kitchen waste water |
| CN108083434B (en) * | 2018-01-22 | 2021-08-24 | 广东诺瓦安评检测有限公司 | Method for treating kitchen wastewater |
| CN113104970A (en) * | 2021-04-09 | 2021-07-13 | 江南大学 | Efficient anaerobic device for leachate of garbage transfer station and treatment method thereof |
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