CN105110469A - Suspended biological carrier capable of simultaneous nitrification and denitrification - Google Patents
Suspended biological carrier capable of simultaneous nitrification and denitrification Download PDFInfo
- Publication number
- CN105110469A CN105110469A CN201510551920.7A CN201510551920A CN105110469A CN 105110469 A CN105110469 A CN 105110469A CN 201510551920 A CN201510551920 A CN 201510551920A CN 105110469 A CN105110469 A CN 105110469A
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- Prior art keywords
- denitrification
- biological carrier
- suspended biological
- simultaneous nitrification
- nitrification
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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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- Biological Treatment Of Waste Water (AREA)
Abstract
The invention relates to a suspended biological carrier capable of simultaneous nitrification and denitrification, which comprises a main body, wherein the main body is cylindrical; the inside of the main body is divided into a plurality of grids through ribs; and 30-50% of the grids are anoxic grids filled with expanded polyethylene, and the rest grids are aerobic grids. The suspended biological carrier capable of simultaneous nitrification and denitrification has the advantages of reasonable design and simple structure, and is convenient to manufacture. By constructing the aerobic environment and anoxic environment, the biomembrane on the carrier has the stable nitrification and denitrification conditions, and creates beneficial conditions for efficiency display.
Description
Technical field
The present invention relates to a kind of water treatment carrier, especially a kind of suspended biological carrier can simultaneously with nitrification and denitrification ability, a kind of specifically can the suspended biological carrier of simultaneous nitrification-denitrification.
Background technology
At present, suspended biological carrier is widely used in sewage disposal, has biomass large, the feature that processing efficiency is high.When work condition environment is suitable for, such as in a reactor, there is aerobic environment and anaerobic environment simultaneously, nitrification and denitrification reaction synchronously can be realized on suspended biological carrier, thus a large amount of energy consumption of saving in removal sewage needed for total nitrogen, and needed for saving anoxic section, structures take up an area.But the ischaemia conditional instability that traditional suspended biological carrier provides, makes simultaneous nitrification-denitrification effect unstable, not easily normally plays its effectiveness.Therefore, need to design a kind of suspended biological carrier meeting simultaneous nitrification-denitrification demand.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, there is provided a kind of can the suspended biological carrier of simultaneous nitrification-denitrification, by building aerobic environment and anaerobic environment, the microbial film on carrier is made to possess the condition of stable nitration denitrification, for the performance of its effectiveness creates favorable conditions.
Technical scheme of the present invention is:
Can the suspended biological carrier of simultaneous nitrification-denitrification, comprise body, described body is cylindrical, is innerly divided into multiple grid by rib, and wherein the grid of 30%-50% is the poly anoxia cell of inner filling-foam, and all the other are aerobic lattice.
Further, described grid is concentric ring-shaped distribution.
Further, described aerobic lattice and anoxia cell spaced apart.
Further, a micropore is provided with in the polyethylene foamed in described anoxia cell.
Further, the diameter of described micropore is 2-3mm.
Further, described body is made up of silicon rubber, resin, chemical foaming agent and specific gravity-adjusting material, and silicon rubber is 35 ~ 70wt%, and resin is 25 ~ 55wt%, and chemical foaming agent is 0.1 ~ 5wt%, and specific gravity-adjusting material is 0 ~ 10wt%.
Further, the apparent density of described polyethylene is 0.05 ~ 0.14g/cm
3, tensile strength>=0.15MPa, ultimate compression strength>=0.15MPa, tear strength>=4.0N/mm, water-intake rate>=0.005g/cm
3.
Beneficial effect of the present invention:
(1) the present invention is reasonable in design, and structure is simple, easily manufactured.
(2) product of the present invention can be higher at dissolved oxygen, realizes stable synchronous nitration and denitrification under the condition of water inlet C/N than fluctuation.
(3) add product of the present invention and can complete a part of denitrogenation in Aerobic Pond, thus save internal reflux, and the volume of anoxic pond can be reduced, thus save floor occupying area.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is side-view of the present invention.
Wherein: 1-body; 2-rib; 3-anoxia cell; The aerobic lattice of 4-.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As illustrated in fig. 1 and 2.
Can the suspended biological carrier of simultaneous nitrification-denitrification, comprise body 1.Described body 1 is cylindrical, and outside surface is spination, and inside is divided into multiple grid by rib 2.This mesh shape is not fixed, and can determine as required, through before and after it, and the distribution in concentric ring-shaped.The 30%-50% of this grid is the poly anoxia cell 3 of inner filling-foam, can adhere to anoxic microbial film wherein and carry out anti-nitration reaction.Remaining grid is inner aerobic lattice 4 of not filling, and can adhere to aerobic biologic membrane wherein and carry out nitration reaction, thus achieves and carry out nitrification and denitrification reaction on the same vector simultaneously.Preferably, described aerobic lattice 4 and anoxia cell 3 spaced apart, make nitrification and denitrification react more balanced, improve processing efficiency.Further, being provided with a diameter in the polyethylene foamed in described anoxia cell 3 is 2-3mm micropore, for condition is advantageously created in the biomembranous attachment of anoxic.Described body 1 is made up of silicon rubber, resin, chemical foaming agent and specific gravity-adjusting material, and silicon rubber is 35 ~ 70wt%, and resin is 25 ~ 55wt%, and chemical foaming agent is 0.1 ~ 5wt%, and specific gravity-adjusting material is 0 ~ 10wt%.The apparent density of described polyethylene is 0.05 ~ 0.14g/cm
3, tensile strength>=0.15MPa, ultimate compression strength>=0.15MPa, tear strength>=4.0N/mm, water-intake rate>=0.005g/cm
3.
Below a specific embodiment:
By 35wt% rubber powder, 55wt% resin group, 5wt% chemical foaming agent, 5wt% specific gravity-adjusting material mixes, and enters injection moulding machine and is squeezed into oval column.Wherein, body diameter is 25mm, and cylindrical inside is divided into 19 grids by rib, and in two circle concentric ring-shaped distributions.Choosing apparent density is 0.1g/cm
3, tensile strength 0.3MPa, ultimate compression strength 0.3MPa, tear strength 6.0N/mm, water-intake rate 0.008g/cm
3polyethylene foamed material, adopt injection moulding machine to inject wherein 6 non-conterminous grids.Wherein outer ring note 4 lattice, inner ring note 2 lattice.Finally with cutting machine, long cylinder is cut into the segment that length is 12mm, form the finished product.
In using, can will be dropped in the reactor of 10L after product biofilm of the present invention for 3L, COD:350mg/L is added in reactor, the sanitary sewage of ammonia nitrogen 35mg/L, TN50mg/L, adopts micro-hole aerator to carry out aeration, controlling reactor dissolved oxygen is 5mg/L, aeration 4h, record ammonia nitrogen water outlet 2mg/L, ammonia nitrogen removal frank reaches 94%.TN water outlet 20mg/L, TN clearance reaches 60%.Therefore product of the present invention is used in sewage aerobic biological treatment system, not only has good nitrification effect, and has good simultaneous denitrification effect.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (7)
1. one kind can the suspended biological carrier of simultaneous nitrification-denitrification, comprise body, it is characterized in that described body is cylindrical, inside is divided into multiple grid by rib, and wherein the grid of 30%-50% is the poly anoxia cell of inner filling-foam, all the other are aerobic lattice.
2. according to claim 1 can the suspended biological carrier of simultaneous nitrification-denitrification, it is characterized in that described grid is concentric ring-shaped distribution.
3. according to claim 1 can the suspended biological carrier of simultaneous nitrification-denitrification, it is characterized in that described aerobic lattice and anoxia cell spaced apart.
4. according to claim 1 can the suspended biological carrier of simultaneous nitrification-denitrification, it is characterized in that in the polyethylene foamed in described anoxia cell, being provided with a micropore.
5. according to claim 4 can the suspended biological carrier of simultaneous nitrification-denitrification, it is characterized in that the diameter of described micropore is 2-3mm.
6. according to claim 1 can the suspended biological carrier of simultaneous nitrification-denitrification, it is characterized in that described body is made up of silicon rubber, resin, chemical foaming agent and specific gravity-adjusting material, and silicon rubber is 35 ~ 70wt%, resin is 25 ~ 55wt%, chemical foaming agent is 0.1 ~ 5wt%, and specific gravity-adjusting material is 0 ~ 10wt%.
7. according to claim 1 can the suspended biological carrier of simultaneous nitrification-denitrification, it is characterized in that the apparent density of described polyethylene is 0.05 ~ 0.14g/cm
3, tensile strength>=0.15MPa, ultimate compression strength>=0.15MPa, tear strength>=4.0N/mm, water-intake rate>=0.005g/cm
3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510551920.7A CN105110469A (en) | 2015-09-02 | 2015-09-02 | Suspended biological carrier capable of simultaneous nitrification and denitrification |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510551920.7A CN105110469A (en) | 2015-09-02 | 2015-09-02 | Suspended biological carrier capable of simultaneous nitrification and denitrification |
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| CN105110469A true CN105110469A (en) | 2015-12-02 |
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| CN201510551920.7A Pending CN105110469A (en) | 2015-09-02 | 2015-09-02 | Suspended biological carrier capable of simultaneous nitrification and denitrification |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836902A (en) * | 2016-06-12 | 2016-08-10 | 煤科集团杭州环保研究院有限公司 | Multi-chamber composite biological carrier and method for treating fixed-bed gasification wastewater |
| CN110773545A (en) * | 2019-09-19 | 2020-02-11 | 百沃星联(上海)环保科技有限公司 | Microorganism medium for food decomposition, and apparatus and method for producing the same |
| CN110803766A (en) * | 2019-11-05 | 2020-02-18 | 大连理工大学 | Synchronous nitrification and denitrification process combining nitrification functional type and denitrification functional type suspension carrier |
Citations (4)
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| CN101148289A (en) * | 2006-09-19 | 2008-03-26 | 宜兴市裕隆环保有限公司 | Suspending porous biological carrier and preparation |
| CN201046931Y (en) * | 2007-04-27 | 2008-04-16 | 宜兴市裕隆环保有限公司 | Suspending biological filler for water treatment |
| CN101439905A (en) * | 2008-12-18 | 2009-05-27 | 南京大学 | Foaming extrusion molding thermoplastic composite material stuffing for biological treatment of waste water |
| CN104999700A (en) * | 2015-07-28 | 2015-10-28 | 湖州旺翔纸业包装有限公司 | Indentation mechanism for automatic paperboard compression of corrugated cases |
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2015
- 2015-09-02 CN CN201510551920.7A patent/CN105110469A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101148289A (en) * | 2006-09-19 | 2008-03-26 | 宜兴市裕隆环保有限公司 | Suspending porous biological carrier and preparation |
| CN201046931Y (en) * | 2007-04-27 | 2008-04-16 | 宜兴市裕隆环保有限公司 | Suspending biological filler for water treatment |
| CN101439905A (en) * | 2008-12-18 | 2009-05-27 | 南京大学 | Foaming extrusion molding thermoplastic composite material stuffing for biological treatment of waste water |
| CN104999700A (en) * | 2015-07-28 | 2015-10-28 | 湖州旺翔纸业包装有限公司 | Indentation mechanism for automatic paperboard compression of corrugated cases |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836902A (en) * | 2016-06-12 | 2016-08-10 | 煤科集团杭州环保研究院有限公司 | Multi-chamber composite biological carrier and method for treating fixed-bed gasification wastewater |
| CN105836902B (en) * | 2016-06-12 | 2018-08-17 | 煤科集团杭州环保研究院有限公司 | A kind of multi-chamber compound bio carrier and method for handling fixed bed gasification waste water |
| CN110773545A (en) * | 2019-09-19 | 2020-02-11 | 百沃星联(上海)环保科技有限公司 | Microorganism medium for food decomposition, and apparatus and method for producing the same |
| CN110803766A (en) * | 2019-11-05 | 2020-02-18 | 大连理工大学 | Synchronous nitrification and denitrification process combining nitrification functional type and denitrification functional type suspension carrier |
| CN110803766B (en) * | 2019-11-05 | 2021-05-11 | 大连理工大学 | Synchronous nitrification and denitrification process combining nitrification functional type and denitrification functional type suspension carrier |
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Application publication date: 20151202 |
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