CN105084553A - Biochar based spiral magnetic bio-membrane reactor - Google Patents
Biochar based spiral magnetic bio-membrane reactor Download PDFInfo
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- CN105084553A CN105084553A CN201510485532.3A CN201510485532A CN105084553A CN 105084553 A CN105084553 A CN 105084553A CN 201510485532 A CN201510485532 A CN 201510485532A CN 105084553 A CN105084553 A CN 105084553A
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- spirrillum
- groove track
- magnetic bio
- type groove
- biological carbon
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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)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a biochar based spiral magnetic bio-membrane reactor. The biochar based spiral magnetic bio-membrane reactor is composed of a spiral U-shaped groove track and a magnetic biochar filler filled into the spiral U-shaped groove track. The spiral U-shaped groove track is ascending, the angle formed by the plane where the spiral U-shaped groove track is located and a horizontal plane is 8-15 degrees, the periphery of the projection of the spiral U-shaped groove track on the horizontal plane is round, the diameter of the circle is 4-6 times of the width of the spiral U-shaped groove track, the specific value of the length to the width of the spiral U-shaped groove track is greater than 20, and the depth is 8-12 cm. The magnetic biochar filler is prepared by the steps of ferrous ion absorption with biochar, standing and oxidation, strong alkali reaction and the like. When the biochar based spiral magnetic bio-membrane reactor works, sewage spirally flows down from the upper portion, and pollutants in the sewage are degraded under the effect of a biological film on the surface of the filler. In the whole treatment process, aeration is not needed, and almost no kinetic energy consumption is produced.
Description
Technical field
The present invention relates to a kind of biofilm reactor, especially a kind of spirrillum magnetic bio membrane reactor based on biological carbon.
Background technology
Biomembrance process is a kind of bioremediation arranged side by side with activated sludge process, has a wide range of applications in sewage disposal.Conventional biomembrance process mainly contains biological filter, blodisc, bio-contact oxidation and biological fluidized bed etc.The advantages such as biomembrance process has envrionment conditions adaptable, and sludge output is few, sludge settling property good, and treatment efficiency is stable, good.But conventional biomembrance process needs aeration more, and blodisc also needs kinetic energy to drive turntable rotation, needs certain kinetic energy consumption.
In recent years, biological carbon is just more and more subject to extensive concern both domestic and external as a kind of soil improvement agent.Biological carbon is the rich carbon solid product of one that the biological materials such as agriculture and forestry organic waste material are obtained by thermal chemical reaction under anoxic or oxygen free condition.Biological carbon pore texture is flourishing, high adsorption capacity, and its environmental benefit is subject to extensive concern at home and abroad.But it is also few as the research of sewage disposal filler at present.
Summary of the invention
For Shortcomings in prior art, the invention provides a kind of spirrillum magnetic bio membrane reactor based on biological carbon, without the need to aeration, and do not need extra energy expenditure, have good treatment effect in conjunction with magnetic bio carbon filler to sewage.
The present invention realizes above-mentioned technical purpose by following technique means.
Based on a spirrillum magnetic bio membrane reactor for biological carbon, described biofilm reactor is made up of spirrillum U-type groove track and the magnetic bio carbon filler be seated in described spirrillum U-type groove track;
Described spirrillum U-type groove track is rising shape, described spirrillum U-type groove track place plane and horizontal plane angle are 8 ° ~ 15 °, described spirrillum U-type groove track is circular in the periphery that horizontal plane projects, the diameter of described circle is 4 ~ 6 times of described spirrillum U-type groove track width, length and the width ratio of described spirrillum U-type groove track are greater than 20, and the degree of depth is 8 ~ 12cm.
Further, the preparation of described magnetic bio carbon filler comprises the steps:
(1) waste iron filing is added in vitriolated waste liquid, after reacting completely, add biological carbon, stir and adsorb, obtain the biological carbon of adsorbing ferrous ion;
(2) biological carbon of absorption ferrous ion step (1) obtained is placed in air and leaves standstill, and obtains the biological carbon containing ferrous ion and ferric ion;
(3) biological carbon containing ferrous ion and ferric ion step (2) obtained is placed in the strong base solution of pH >=10, and normal-temperature reaction after stirring, solid-liquid separation, washing, drying, obtain magnetic bio carbon filler.
In such scheme, the time of step (1) described reaction is greater than 20min, and churning time is 10 ~ 15min, and adsorption time is greater than 30min.
In such scheme, step (2) the described standing time is 1 ~ 2min.
In such scheme, the highly basic described in step (3) is potassium hydroxide or sodium hydroxide, and the time of described stirring is 1 ~ 2min, and the time of described reaction is 60 ~ 80min, and the temperature of described drying is no more than 80 DEG C.
In such scheme, described magnetic bio carbon filler is of a size of 0.2 ~ 0.8cm, and the filling degree of depth of described magnetic bio carbon filler in described spirrillum U-type groove track is 1/3 ~ 1/2 of described spirrillum U-type groove track depth.
In such scheme, along described spirrillum U-type groove track length direction, a filter is set every 15 ~ 20cm.
The object arranging filter is to prevent magnetic bio carbon filler with sewage landing.
In such scheme, the height of described filter is identical with the degree of depth of described spirrillum U-type groove track, and the mesh size of described filter is less than the size of described magnetic bio carbon filler, and the porosity of described filter is greater than 75%.
In such scheme, the material of described spirrillum U-type groove track is synthetic glass or stainless steel.
The invention has the beneficial effects as follows:
(1), during the work of this reactor, sewage flows down along spirrillum U-type groove track; Under the biomembranous effect of filling surface, the pollutent in sewage is degraded; Whole treating processes without the need to aeration, almost without kinetic energy consumption;
(2) in reactor, the raw material of magnetic bio carbon filler is the process product, waste iron filing, sulfuric acid waste etc. of agricultural solid waste stalk etc., and cost is low, achieves the recycling of refuse;
(3) preparation technology of magnetic bio carbon filler is simple, and easy to operate, the magnetic biological carbon biofilm of preparation is effective;
(4) in magnetic bio carbon filler preparation process, be adsorbed on heavy metal in biological carbon hole and highly basic generates magnetic-particle, and continue to stay in the hole of biological carbon, good stability;
(5) magnetic-particle in magnetic biological carbon filler hole, can microbic activity in reinforcing filler surface biological film, the ability of microbiological deterioration pollutent is improved, thus improves the degradation efficiency of biofilm reactor.
Accompanying drawing explanation
Fig. 1 is the structural representation of spirrillum U-type groove track of the present invention.
Fig. 2 is filter structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to this.
Embodiment 1
Based on a spirrillum magnetic bio membrane reactor for biological carbon, be made up of spirrillum U-type groove track as shown in Figure 1 and the magnetic bio carbon filler be seated in described spirrillum U-type groove track; Described spirrillum U-type groove track is rising shape, described spirrillum U-type groove track place plane and horizontal plane angle are 8 °, described spirrillum U-type groove track is circular in the periphery that horizontal plane projects, the diameter of described circle is 4 times of described spirrillum U-type groove track width, length and the width ratio of described spirrillum U-type groove track are 21, and the degree of depth is 8cm; The material of spirrillum U-type groove track is synthetic glass.
Wherein the preparation method of magnetic bio carbon filler is:
(1) excessive waste iron filing is added in vitriolated waste liquid, add biological carbon after reaction 21min, stir 10min, the ferrous ion 35min in absorption waste liquid, obtain the biological carbon of adsorbing ferrous ion;
(2) biological carbon of absorption ferrous ion step (1) obtained is placed in air and leaves standstill 1min, obtains the biological carbon containing ferrous ion and ferric ion;
(3) biological carbon containing ferrous ion and ferric ion step (2) obtained is placed in the sodium hydroxide solution that pH is 10, after stirring 1min, normal-temperature reaction 60min, solid-liquid separation, washing, drying, obtain magnetic bio carbon filler, wherein drying temperature is 50 DEG C.
The size of the magnetic bio carbon filler obtained by above-mentioned preparation method is about 0.8cm, magnetic bio carbon filler is loaded to spirrillum U-type groove track 1/3 degree of depth, every 15cm, a filter is as shown in Figure 2 installed along spirrillum U-type groove track length direction, the height of filter is identical with the degree of depth of U-type groove track, the mesh size of filter is less than the size of magnetic bio carbon filler, and porosity is 76%.
Embodiment 2
Based on a spirrillum magnetic bio membrane reactor for biological carbon, be made up of spirrillum U-type groove track as shown in Figure 1 and the magnetic bio carbon filler be seated in described spirrillum U-type groove track; Described spirrillum U-type groove track is rising shape, described spirrillum U-type groove track place plane and horizontal plane angle are 15 °, described spirrillum U-type groove track is circular in the periphery that horizontal plane projects, the diameter of described circle is 6 times of described spirrillum U-type groove track width, length and the width ratio of described spirrillum U-type groove track are 30, and the degree of depth is 12cm; The material of spirrillum U-type groove track is stainless steel.
Wherein the preparation method of magnetic bio carbon filler is:
(1) excessive waste iron filing is added in vitriolated waste liquid, add biological carbon after reaction 30min, stir 15min, the ferrous ion 40min in absorption waste liquid, obtain the biological carbon of adsorbing ferrous ion;
(2) biological carbon of absorption ferrous ion step (1) obtained is placed in air and leaves standstill 2min, obtains the biological carbon containing ferrous ion and ferric ion;
(3) biological carbon containing ferrous ion and ferric ion step (2) obtained is placed in the potassium hydroxide solution that pH is 11, after stirring 2min, normal-temperature reaction 80min, solid-liquid separation, washing, drying, obtain magnetic bio carbon filler, wherein drying temperature is 75 DEG C.
The size of the magnetic bio carbon filler obtained by above-mentioned preparation method is about 0.2cm, magnetic bio carbon filler is loaded to spirrillum U-type groove track 1/2 degree of depth, every 20cm, a filter is as shown in Figure 2 installed along spirrillum U-type groove track length direction, the height of filter is identical with the degree of depth of U-type groove track, the mesh size of filter is less than the size of magnetic bio carbon filler, and porosity is 85%.
By embodiment 1 and the made spirrillum magnetic bio membrane reactor based on biological carbon of embodiment 2 simultaneously for the treatment of city domestic sewage.The spirrillum U-type groove track overall length of two cover biofilm reactors is 6m; Experiment condition is identical, is respectively: inlet flow-patterm=7.5, water temperature 23 DEG C, hydraulic detention time 7h.City domestic sewage water quality parameter is: COD
cr100-300mg/L, NH
4 +-N5-25mg/L, TP1-3mg/L.Biofilm is after one month, and in two biofilm reactor water outlets, the clearance of principal pollutant is as shown in table 1.
Table 1 liang cover based on the spirrillum magnetic bio membrane reactor of biological carbon to the clearance of principal pollutant in sewage
As can be seen from Table 1, the spirrillum magnetic bio membrane reactor process city domestic sewage that the present invention is based on biological carbon is adopted can to obtain good pollutant removal.
Described embodiment is preferred embodiment of the present invention; but the present invention is not limited to above-mentioned embodiment; when not deviating from flesh and blood of the present invention, any apparent improvement that those skilled in the art can make, replacement or modification all belong to protection scope of the present invention.
Claims (9)
1. based on a spirrillum magnetic bio membrane reactor for biological carbon, it is characterized in that, described biofilm reactor is made up of spirrillum U-type groove track and the magnetic bio carbon filler be seated in described spirrillum U-type groove track;
Described spirrillum U-type groove track is rising shape, described spirrillum U-type groove track place plane and horizontal plane angle are 8 ° ~ 15 °, described spirrillum U-type groove track is circular in the periphery that horizontal plane projects, the diameter of described circle is 4 ~ 6 times of described spirrillum U-type groove track width, length and the width ratio of described spirrillum U-type groove track are greater than 20, and the degree of depth is 8 ~ 12cm.
2., as claimed in claim 1 based on the spirrillum magnetic bio membrane reactor of biological carbon, it is characterized in that, the preparation of described magnetic bio carbon filler comprises the steps:
(1) waste iron filing is added in vitriolated waste liquid, after reacting completely, add biological carbon, stir and adsorb, obtain the biological carbon of adsorbing ferrous ion;
(2) biological carbon of absorption ferrous ion step (1) obtained is placed in air and leaves standstill, and obtains the biological carbon containing ferrous ion and ferric ion;
(3) biological carbon containing ferrous ion and ferric ion step (2) obtained is placed in the strong base solution of pH >=10, and normal-temperature reaction after stirring, solid-liquid separation, washing, drying, obtain magnetic bio carbon filler.
3., as claimed in claim 2 based on the spirrillum magnetic bio membrane reactor of biological carbon, it is characterized in that, the time of step (1) described reaction is greater than 20min, and churning time is 10 ~ 15min, and adsorption time is greater than 30min.
4., as claimed in claim 2 based on the spirrillum magnetic bio membrane reactor of biological carbon, it is characterized in that, step (2) the described standing time is 1 ~ 2min.
5. as claimed in claim 2 based on the spirrillum magnetic bio membrane reactor of biological carbon, it is characterized in that, highly basic described in step (3) is potassium hydroxide or sodium hydroxide, the time of described stirring is 1 ~ 2min, the time of described reaction is 60 ~ 80min, and the temperature of described drying is no more than 80 DEG C.
6. as the spirrillum magnetic bio membrane reactor based on biological carbon in Claims 1 to 5 as described in any one, it is characterized in that, described magnetic bio carbon filler is of a size of 0.2 ~ 0.8cm, and the filling degree of depth of described magnetic bio carbon filler in described spirrillum U-type groove track is 1/3 ~ 1/2 of described spirrillum U-type groove track depth.
7. as the spirrillum magnetic bio membrane reactor based on biological carbon in Claims 1 to 5 as described in any one, it is characterized in that, along described spirrillum U-type groove track length direction, a filter is set every 15 ~ 20cm.
8. as claimed in claim 7 based on the spirrillum magnetic bio membrane reactor of biological carbon, it is characterized in that, the height of described filter is identical with the degree of depth of described spirrillum U-type groove track, the mesh size of described filter is less than the size of described magnetic bio carbon filler, and the porosity of described filter is greater than 75%.
9. as the spirrillum magnetic bio membrane reactor based on biological carbon in Claims 1 to 5 as described in any one, it is characterized in that, the material of described spirrillum U-type groove track is synthetic glass or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510485532.3A CN105084553B (en) | 2015-08-10 | 2015-08-10 | A kind of helical form magnetic bio membrane reactor based on biological carbon |
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| CN201510485532.3A CN105084553B (en) | 2015-08-10 | 2015-08-10 | A kind of helical form magnetic bio membrane reactor based on biological carbon |
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| CN105084553B CN105084553B (en) | 2017-08-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107500400A (en) * | 2017-09-25 | 2017-12-22 | 江苏大学 | A kind of magnetic bio membrane reactor based on non-woven fabrics waste material |
| CN110950431A (en) * | 2019-11-18 | 2020-04-03 | 深圳市慧创源环保科技有限公司 | Sewage treatment device |
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| CN104163500A (en) * | 2014-08-08 | 2014-11-26 | 江苏大学 | Carrier for microbial purification of water body and manufacturing method of carrier |
| CN104649403A (en) * | 2015-01-19 | 2015-05-27 | 江苏大学 | Magnetic filler used for sewage treatment and preparation thereof |
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2015
- 2015-08-10 CN CN201510485532.3A patent/CN105084553B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1849267A (en) * | 2003-07-08 | 2006-10-18 | 格奥尔格·费兹米尔有限两合公司 | Bioreactor |
| KR100661074B1 (en) * | 2006-01-10 | 2006-12-22 | (주)천지엔비텍 | The biological contact media-chungi environment technologies |
| CN201785250U (en) * | 2010-08-20 | 2011-04-06 | 邓景山 | Curtain-shaped ecological base for purifying sewage |
| CN103382045A (en) * | 2012-05-04 | 2013-11-06 | 江苏裕隆环保有限公司 | Mixed-flow type composite filling material |
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| CN203715380U (en) * | 2014-02-19 | 2014-07-16 | 山东省环境保护科学研究设计院 | Spiral-flow ladder type wastewater treatment device |
| CN104163500A (en) * | 2014-08-08 | 2014-11-26 | 江苏大学 | Carrier for microbial purification of water body and manufacturing method of carrier |
| CN104649403A (en) * | 2015-01-19 | 2015-05-27 | 江苏大学 | Magnetic filler used for sewage treatment and preparation thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107500400A (en) * | 2017-09-25 | 2017-12-22 | 江苏大学 | A kind of magnetic bio membrane reactor based on non-woven fabrics waste material |
| CN110950431A (en) * | 2019-11-18 | 2020-04-03 | 深圳市慧创源环保科技有限公司 | Sewage treatment device |
| CN110950431B (en) * | 2019-11-18 | 2022-05-24 | 深圳市慧创源环保科技有限公司 | Sewage treatment device |
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| CN105084553B (en) | 2017-08-04 |
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Granted publication date: 20170804 Termination date: 20180810 |