CN103508638A - Combined wastewater treatment method through visible light catalysis and immobilized microorganisms and combined reactor - Google Patents
Combined wastewater treatment method through visible light catalysis and immobilized microorganisms and combined reactor Download PDFInfo
- Publication number
- CN103508638A CN103508638A CN201310480145.1A CN201310480145A CN103508638A CN 103508638 A CN103508638 A CN 103508638A CN 201310480145 A CN201310480145 A CN 201310480145A CN 103508638 A CN103508638 A CN 103508638A
- Authority
- CN
- China
- Prior art keywords
- waste water
- fluidized bed
- ramp type
- visible light
- immobilization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Catalysts (AREA)
Abstract
The invention discloses a combined wastewater treatment method through visible light catalysis and immobilized microorganisms. The combined wastewater treatment method comprises the following steps: treating wastewater through photocatalytic degradation; after photocatalytic degradation, flowing into an immobilized microorganism fluidized bed for subsequent biochemical treatment; further degrading and removing pollutants from wastewater; repeatedly performing combined treatment of the photocatalytic degradation and the biochemical treatment of the immobilized microorganism fluidized bed on the biochemically treated wastewater to realize the circulating and deep wastewater treatment for several times; finally, enabling the treated wastewater to reach recycle standards. The invention further provides a combined reactor for combined wastewater treatment through the visible light catalysis and the immobilized microorganisms. A swash-plate photocatalytic reactor and a swash-plate immobilized microorganism fluidized bed are arranged inside a reaction chamber of the combined reactor. The photocatalytic degradation under the visible light condition is combined with the immobilized microorganism fluidized bed, so that the operation is simple, the treatment efficiency of washing and dyeing wastewater is high, the cost is low, and the combined wastewater treatment method and the combined reactor are applicable to industrial production.
Description
Technical field
The present invention relates to the method and apparatus of pollutent in a kind of degrading waste water, particularly relate to a kind of photocatalytic degradation method and device thereof, be applied to environmental pollution process for comprehensively treating field, be particularly suitable for the processing to the washing and dyeing wastewater of degree of depth pollution.
Background technology
Washing and dyeing wastewater is the sewage occurring in a large number in recent years, and wastewater flow rate is large, color is dark, Pollutants in Wastewater complicated component, and change of water quality is large, generally contains the organic and inorganic pollutants such as dyestuff, washing composition, tenderizer.China washes and dyes traditional materialization and the biochemical combined treatment process that industry waste water generally adopts, effluent quality is difficult to reach the standard of reuse, if the advanced treatment and reclamation for washing and dyeing wastewater after the water outlet of traditional technology, if adopt charcoal absorption processing cost high, and regeneration difficulty, if adopt membrane separation technique one-time investment large, technical difficulty is large, film system is cleaned difficulty, the water yield that back flushing needs is very large, and running cost is high, regular job is complicated, operation and maintenance cost is high, if employing electrolytic process, the technique such as ultraviolet or plasma-catalytic oxidation exists again energy consumption high, fluctuation of service, through engineering approaches application difficult and be difficult to the problems such as combination with traditional technology.Dipped beam catalytic oxidation degradation speed is fast, does not produce secondary pollution, and reaction conditions is gentle, but titania photocatalyst need utilize UV-light high as energy energy consumption, and the photocatalyst rate of recovery is low simultaneously, has all limited the application of photocatalytic oxidation in Pollutant Treatment.
Summary of the invention
In order to solve prior art problem, the object of the invention is to overcome the defect that prior art exists, method and the combined reactor of a kind of visible light catalytic and immobilized microorganism combination treatment waste water are provided, by titanium oxide modification, can widen the mechanism of the visible absorption scope of titanium oxide catalyst, adopt sol-gel method that the codoping modified titanium dioxide optical catalyst of carbon nitrogen sulphur is realized to the photocatalytic degradation under visible ray condition and combined with immobilization microorganism fluidized bed, simple to operate, washing and dyeing wastewater processing efficiency is high, with low cost, be suitable for industrial production.
For reaching foregoing invention, create object, the present invention adopts following technical proposals:
A kind of method of visible light catalytic and immobilized microorganism combination treatment waste water, through photocatalytic degradation, process waste water, waste water is after photocatalytic degradation is processed, flow into again the immobilization microorganism fluidized bed follow-up biochemical treatment of carrying out, pollutent in waste water is carried out to further degraded to be removed, waste water through biochemical treatment carries out the combination treatment of photocatalytic degradation and immobilization microorganism fluidized bed biochemistry more repeatedly, realization is carried out repeatedly depth of round to waste water and is processed, finally make to reach reuse standard through processing waste water, in photocatalytic degradation treating processes, by the conveying of liquid delivery system, on carrier of photocatalyst substrate surface, make waste water form the thin waste water liquid film of one deck that flows through carrier of photocatalyst substrate surface, under radiation of visible light, waste water liquid film is degraded to macromolecule contaminant through light-catalyzed reaction, in immobilization microorganism fluidized bed biochemical treatment process, waste water is after preorder photocatalytic degradation is processed, waste water flows into the immobilization microorganism fluidized bed biochemical treatment of carrying out, near waste water immobilization microorganism fluidized bed is carried out to Air Exposure, waste water is fully mixed with the immobilization microorganism particles in fluidized-bed, form liquid-solid-gas three-phase circulation mass transfer system.
As the preferred technical scheme of the present invention, above-mentioned carrier of photocatalyst substrate surface and be immobilization microorganism fluidized bedly all inclined-plane setting, by the conveying of liquid delivery system, waste water flows from high to lower along ramp type carrier of photocatalyst substrate surface, from the landing of ramp type carrier of photocatalyst substrate surface, waste water continues along immobilization microorganism fluidized bed the flowing from high to lower of ramp type, arrive top, immobilization microorganism fluidized bed bottom, near the immobilization microorganism fluidized bed lower of ramp type, waste water is being carried out to aeration, make the waters above ramp type is immobilization microorganism fluidized bed form water body, bubble and immobilization particle internal recycle mixing flow field.
As the improvement of the preferred technical scheme of the present invention, adjust the angle of inclination of ramp type carrier of photocatalyst substrate surface, the water (flow) direction of the ramp type carrier of photocatalyst substrate surface that makes to flow through is vertical with direction of illumination.
Process above-mentioned one batch of waste water, in photocatalytic degradation treating processes, utilize solar irradiation accumulative total to be controlled at 6 ~ 18 hours.
The present invention also provides the combined reactor of a kind of visible light catalytic and immobilized microorganism combination treatment waste water, mainly comprise and load the pending liquid storage container of waste water and the reaction chamber of combined reactor, ramp type photocatalytic reaction device and ramp type are set in reaction chamber immobilization microorganism fluidized bed, the top immobilization microorganism fluidized bed with ramp type, bottom that ramp type photocatalytic reaction device is set in reaction chamber is communicated with, ramp type photocatalysis apparatus stainless steel inclined-plane substrate and the liquid delivery system of photocatalyst that comprised load, liquid delivery system consists of submersible pump and liquid distributor, immobilization microorganism fluidized bed immobilization microorganism particles and the aerating system of mainly comprising of ramp type, aerating system is successively by aeration stone, gas control valve and air compressor are in series, aeration stone is arranged at the reaction chamber inner bottom part of combined reactor, in liquid storage container, loading pending waste water is upwards transported in the liquid distributor that is arranged at substrate top, stainless steel inclined-plane by submersible pump, pass through liquid distributor, on stainless steel inclined-plane substrate, make waste water form the thin waste water liquid film of one deck that flows through from high to lower stainless steel inclined-plane substrate surface, under radiation of visible light, waste water liquid film is degraded to macromolecule contaminant through light-catalyzed reaction, the ramp type that waste water after ramp type photocatalytic reaction device flows into below stainless steel inclined-plane substrate is immobilization microorganism fluidized bed, and along the reaction chamber bottom of the immobilization microorganism fluidized bed arrival combined reactor of ramp type, reaction chamber bottom at combined reactor, waste water is again after aerating system aeration, make the waters above ramp type is immobilization microorganism fluidized bed form water body, bubble and immobilization particle internal recycle mixing flow field, thereby waste water is fully mixed with immobilization microorganism particles in fluidized-bed and form internal recycling because of ramp effect, further degraded to Pollutants in Wastewater is removed, between liquid storage container and the reaction chamber of combined reactor, by grid, be communicated with, through the immobilization microorganism fluidized bed waste water of carrying out a biological disposal upon of ramp type, by grid, enter liquid storage container, via submersible pump, enter next round water treatment circulation again, make the waste water after processing reach emission request or reuse standard.
Preferably adopt sol-gel method that the codoping modified titanium dioxide optical catalyst of carbon nitrogen sulphur is loaded on and in stainless steel substrates substrate, makes stainless steel inclined-plane substrate, be specially: after titanic acid ester is mixed according to volume ratio 1:2～1:10 with organic solvent, slowly be added drop-wise to mass percent concentration and be in 5% ~ 25% thiourea solution and stir 6 ~ 10 hours, become clear gel to solution, be coated in substrate surface, and at 50～80 ℃ oven drying at low temperature 8 ~ 25 hours, then 250～450 ℃ of roastings 3～15 hours in retort furnace.
While preparing the immobilization microorganism fluidized bed immobilization microorganism particles of ramp type, preferably according to (0.08～2): (1～3): the microorganism concentrated solution that 1 ratio is 10～30g/L by sodium alginate, concentration, water are added drop-wise in 3% calcium chloride solution after mixing, after preferred consolidation 5～10 minutes, taking out in the gel calcium chloride solution of polymerization forming, washed with de-ionized water, being i.e. fixed microbe granular.
The angle of inclination of the stainless steel inclined-plane substrate of above-mentioned ramp type photocatalytic reaction device is preferably adjustable.
The water (flow) direction of stainless steel inclined-plane substrate surface of preferably making to flow through is vertical with direction of illumination.
The present invention compared with prior art, has following apparent outstanding substantive distinguishing features and remarkable advantage:
1. the present invention combines visible light catalytic technology and immobilized microorganism technique, by visible light catalytic reaction unit and immobilization microorganism fluidized bed gang, and the pollutent in the traditional technology of can degrading efficiently in organic wastewater with difficult degradation thereby;
2. the present invention, by the titanium catalyst of load on inclined-plane by carbon nitrogen sulphur codoped, has widened the spectrum use range of photocatalysis apparatus, has good catalytic activity under visible ray;
3. the present invention adopts double inclined plane design, on photocatalysis apparatus Shang inclined-plane, not only can play the effect as supported catalyst substrate, can also be that waste water formation thin layer flows through from catalyst surface, increased on the one hand the contact area of catalyzer and waste water, reduced on the other hand water body to the obstruct of solar ray and absorption, improved light utilising efficiency, inclined design on immobilization microorganism fluidized bed, having formed water body, bubble and immobilization particle internal recycle mixes, be conducive to three-phase mass transfer, can further improve the efficiency of reactor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the combined reactor of the embodiment of the present invention one visible light catalytic and immobilized microorganism combination treatment waste water.
Embodiment
Details are as follows for the preferred embodiments of the present invention:
embodiment mono-:
In the present embodiment, referring to Fig. 1, the combined reactor of a kind of visible light catalytic and immobilized microorganism combination treatment waste water, mainly comprise and load the liquid storage container 8 of pending waste water and the reaction chamber of combined reactor, ramp type photocatalytic reaction device and ramp type are set in reaction chamber immobilization microorganism fluidized bed, the top immobilization microorganism fluidized bed with ramp type, bottom that ramp type photocatalytic reaction device is set in reaction chamber is communicated with, ramp type photocatalysis apparatus stainless steel inclined-plane substrate 3 and the liquid delivery system of photocatalyst that comprised load, liquid delivery system consists of submersible pump 1 and liquid distributor 2, immobilization microorganism fluidized bed immobilization microorganism particles and the aerating system of mainly comprising of ramp type, aerating system is successively by aeration stone 6, gas control valve 5 and air compressor 4 are in series, aeration stone 6 is arranged at the reaction chamber inner bottom part of combined reactor, the pending waste water of the interior loading of liquid storage container 8 is upwards transported in the liquid distributor 2 that is arranged at substrate 3 tops, stainless steel inclined-plane by submersible pump 1, by liquid distributor 2, on stainless steel inclined-plane substrate, make waste water form the thin waste water liquid film of one deck that flows through from high to lower substrate 3 surfaces, stainless steel inclined-plane, under radiation of visible light, waste water liquid film is degraded to macromolecule contaminant through light-catalyzed reaction, the ramp type of waste water inflow substrate 3 belows, stainless steel inclined-plane after ramp type photocatalytic reaction device is immobilization microorganism fluidized bed, and along the reaction chamber bottom of the immobilization microorganism fluidized bed arrival combined reactor of ramp type, reaction chamber bottom at combined reactor, waste water is again after aerating system aeration, make the waters above ramp type is immobilization microorganism fluidized bed form water body, bubble and immobilization particle internal recycle mixing flow field, thereby waste water is fully mixed with immobilization microorganism particles in fluidized-bed and form internal recycling because of ramp effect, further degraded to Pollutants in Wastewater is removed, between liquid storage container 8 and the reaction chamber of combined reactor, by grid 7, be communicated with, through the immobilization microorganism fluidized bed waste water of carrying out a biological disposal upon of ramp type, by grid 7, enter liquid storage container 8, via submersible pump 1, enter next round water treatment circulation again, make the waste water after processing reach emission request or reuse standard.
In the present embodiment, referring to Fig. 1, the combined reactor treatment of simulated washing and dyeing wastewater of using visible light catalysis and immobilized microorganism combination treatment waste water:
The experiment condition of simulation washing and dyeing wastewater is as follows, and wastewater volume is 100 mL, by the anionic surfactant sodium dodecylbenzene sulfonate of commonly using and Direct blue B2R L configuration, is formed, and COD is 1060 mg/L, and the extension rate of colourity is 750.As shown in Figure 1, first simulation washing and dyeing wastewater is added to liquid storage container 8, via submersible pump 1, enter liquid distributor 2, the flow velocity of submersible pump 1 is 1 L/h, waste water with liquid film form from load the stainless steel inclined-plane substrate 3 of photocatalyst flow down, the tiltangleθ 1 of stainless steel inclined-plane substrate 3 is 45 °, substrate 3 lip-deep current in stainless steel inclined-plane become vertical direction with illumination, after ramp type photocatalytic reaction device, the ramp type of waste water inflow substrate 3 belows, stainless steel inclined-plane is immobilization microorganism fluidized bed, at air compressor 4, gas control valve 5 and aeration stone 6 series connection produce under bubble, waste water continues to mix with immobilization microorganism particles, aeration stone 6 is placed in the top, bottom on immobilization microorganism fluidized bed inclined-plane, the tiltangleθ 2 on immobilization microorganism fluidized bed inclined-plane is 30 °, through the waste water of carrying out a biological disposal upon, by grid 7, enter liquid storage container 8, via submersible pump 1, enter next round circulation again.
In the present embodiment, long 10 cm of stainless steel inclined-plane substrate 3 in ramp type photocatalytic reaction device, wide 4 cm, with sol-gel method load, after first 20 ml tetrabutyl titanates and 100 ml Virahols being mixed, be slowly added drop-wise to mass percent concentration and be in 15% thiourea solution and stir 8 hours, become clear gel to solution, be coated in substrate surface, and at 50 ℃ oven drying at low temperature 12 hours, then 350 ℃ of roastings 10 hours in retort furnace.
In the present embodiment, waste water improves via ramp type photocatalytic reaction device degraded that to enter ramp type after biodegradability immobilization microorganism fluidized bed.Fixture microbe granular is for after mixing being added drop-wise to sodium alginate, 20g/L microorganism concentrated solution, water in 3% calcium chloride solution according to the ratio of 2:2:1, solidify after 10 minutes, taking out in the gel calcium chloride solution of polymerization forming, washed with de-ionized water is 15% to be added in fluidized-bed according to filling ratio.At fluidized-bed internal contamination thing, further degraded and removed, and entering liquid storage container and again circulate through grid 7.
Through experiment in three days, adopt the actual light application time of sunlight 18 hours, repeatedly, after circular treatment, the chroma removal rate of waste water reaches 99%, COD clearance and reaches 94%.
embodiment bis-:
The present embodiment and embodiment mono-are basic identical, and special feature is:
In the present embodiment, the combined reactor of using visible light catalysis and immobilized microorganism combination treatment waste water is processed actual washing and dyeing wastewater:
Washing and dyeing wastewater derives from Zhejiang Mou Xi dye-works, and wastewater volume is 100 mL, and COD is 800 mg/L, and colourity is 400.First washing and dyeing wastewater is added to liquid storage container 8, via submersible pump 1, enter liquid distributor 2, the flow velocity of submersible pump 1 is 1 L/h, waste water with liquid film form from load the stainless steel inclined-plane substrate 3 of photocatalyst flow down, the tiltangleθ 1 on substrate 3 surfaces, stainless steel inclined-plane is 45 °, current on stainless steel inclined-plane substrate 3 become vertical direction with illumination, after ramp type photocatalytic reaction device, the ramp type of waste water inflow substrate 3 belows, stainless steel inclined-plane is immobilization microorganism fluidized bed, at air compressor 4, gas control valve 5 and aeration stone 6 series connection produce under bubble, waste water continues to mix with immobilization microorganism particles, aeration stone 6 is placed in the top, bottom on immobilization microorganism fluidized bed inclined-plane, immobilization microorganism fluidized bed tiltangleθ 2 is 30 °, through the waste water of carrying out a biological disposal upon, by grid 7, enter liquid storage a few days ago 8, via submersible pump 1, enter next round circulation again.
Long 10 cm of stainless steel inclined-plane substrate 3 in ramp type photocatalytic reaction device, wide 4 cm, with sol-gel method load, first after 10 ml isopropyl titanates and 60 ml ethanol being mixed, slowly be added drop-wise to mass percent concentration and be in 25% thiourea solution and stir 10 hours, become clear gel to solution, be coated in substrate surface, in 60 ℃ of baking ovens, dry 24 hours then 400 ℃ of roastings 12 hours in retort furnace.
Waste water improves via ramp type photocatalytic reaction device degraded that to enter ramp type after biodegradability immobilization microorganism fluidized bed.Fixture microbe granular is for after mixing being added drop-wise to sodium alginate, 15g/L microorganism concentrated solution, water in 3% calcium chloride solution according to the ratio of 1.5:2:1, solidify after 10 minutes, taking out in the gel calcium chloride solution of polymerization forming, washed with de-ionized water is 15% to be added in fluidized-bed according to filling ratio.At fluidized-bed internal contamination thing, further degraded and removed, and being entered liquid storage container through grid 7, again circulation.
Through adopting sunlight illumination 6 hours, repeatedly, after circular treatment, the chroma removal rate of waste water reaches 95%, COD clearance and reaches 90%, reaches reuse requirement.
The method of the combined reactor of the present embodiment visible light catalytic and immobilized microorganism combination treatment waste water and visible light catalytic and immobilized microorganism combination treatment waste water can be good to the treatment effect of organic wastewater with difficult degradation thereby in the sun, simple to operate, working cost is low, has broad application prospects.
By reference to the accompanying drawings the embodiment of the present invention is illustrated above; but the invention is not restricted to above-described embodiment; can also make multiple variation according to the object of innovation and creation of the present invention; the change of making under all spirit according to technical solution of the present invention and principle, modification, substitute, combination, simplify; all should be equivalent substitute mode; as long as goal of the invention according to the invention; only otherwise deviate from visible light catalytic of the present invention and the method for immobilized microorganism combination treatment waste water and know-why and the inventive concept of combined reactor, all belong to protection scope of the present invention.
Claims (10)
1. the method for a visible light catalytic and immobilized microorganism combination treatment waste water, through photocatalytic degradation, process waste water, it is characterized in that: waste water is after photocatalytic degradation is processed, flow into again the immobilization microorganism fluidized bed follow-up biochemical treatment of carrying out, pollutent in waste water is carried out to further degraded to be removed, waste water through biochemical treatment carries out the combination treatment of photocatalytic degradation and immobilization microorganism fluidized bed biochemistry more repeatedly, realization is carried out repeatedly depth of round to waste water and is processed, finally make to reach reuse standard through processing waste water, in photocatalytic degradation treating processes, by the conveying of liquid delivery system, on carrier of photocatalyst substrate surface, make waste water form the thin waste water liquid film of one deck that flows through carrier of photocatalyst substrate surface, under radiation of visible light, waste water liquid film is degraded to macromolecule contaminant through light-catalyzed reaction, in immobilization microorganism fluidized bed biochemical treatment process, waste water is after preorder photocatalytic degradation is processed, waste water flows into the immobilization microorganism fluidized bed biochemical treatment of carrying out, near waste water immobilization microorganism fluidized bed is carried out to Air Exposure, waste water is fully mixed with the immobilization microorganism particles in fluidized-bed, form liquid-solid-gas three-phase circulation mass transfer system.
2. the method for visible light catalytic according to claim 1 and immobilized microorganism combination treatment waste water, it is characterized in that: described carrier of photocatalyst substrate surface and be immobilization microorganism fluidized bedly all inclined-plane setting, by the conveying of liquid delivery system, waste water flows from high to lower along ramp type carrier of photocatalyst substrate surface, from the landing of ramp type carrier of photocatalyst substrate surface, waste water continues along immobilization microorganism fluidized bed the flowing from high to lower of ramp type, arrive top, immobilization microorganism fluidized bed bottom, near the immobilization microorganism fluidized bed lower of ramp type, waste water is being carried out to aeration, make the waters above ramp type is immobilization microorganism fluidized bed form water body, bubble and immobilization particle internal recycle mixing flow field.
3. the method for visible light catalytic according to claim 2 and immobilized microorganism combination treatment waste water, it is characterized in that: adjust the angle of inclination of ramp type carrier of photocatalyst substrate surface, the water (flow) direction of the ramp type carrier of photocatalyst substrate surface that makes to flow through is vertical with direction of illumination.
4. according to the method for the visible light catalytic described in any one in claim 1～3 and immobilized microorganism combination treatment waste water, it is characterized in that: process one batch of waste water, in photocatalytic degradation treating processes, utilize solar irradiation accumulative total to be controlled at 6 ~ 18 hours.
5. one kind is utilized visible light catalytic described in claim 1 and the visible light catalytic of method and the combined reactor of immobilized microorganism combination treatment waste water of immobilized microorganism combination treatment waste water, mainly comprise and load the liquid storage container (8) of pending waste water and the reaction chamber of combined reactor, it is characterized in that: ramp type photocatalytic reaction device and ramp type are set in described reaction chamber immobilization microorganism fluidized bed, the top immobilization microorganism fluidized bed with described ramp type, bottom that ramp type photocatalytic reaction device is set in described reaction chamber is communicated with, stainless steel inclined-plane substrate (3) and the liquid delivery system of photocatalyst that described ramp type photocatalysis apparatus has comprised load, described liquid delivery system consists of submersible pump (1) and liquid distributor (2), immobilization microorganism fluidized bed immobilization microorganism particles and the aerating system of mainly comprising of described ramp type, described aerating system is successively by aeration stone (6), gas control valve (5) and air compressor (4) are in series, described aeration stone (6) is arranged at the reaction chamber inner bottom part of described combined reactor, in described liquid storage container (8), loading pending waste water is upwards transported in the liquid distributor (2) that is arranged at described stainless steel inclined-plane substrate (3) top by described submersible pump (1), by described liquid distributor (2), on described stainless steel inclined-plane substrate, make waste water form the thin waste water liquid film of one deck that flows through from high to lower described stainless steel inclined-plane substrate (3) surface, under radiation of visible light, waste water liquid film is degraded to macromolecule contaminant through light-catalyzed reaction, the ramp type that waste water after ramp type photocatalytic reaction device flows into below described stainless steel inclined-plane substrate (3) is immobilization microorganism fluidized bed, and along the reaction chamber bottom of the described combined reactor of the immobilization microorganism fluidized bed arrival of ramp type, reaction chamber bottom at described combined reactor, waste water is again after described aerating system aeration, make the waters above ramp type is immobilization microorganism fluidized bed form water body, bubble and immobilization particle internal recycle mixing flow field, thereby waste water is fully mixed with immobilization microorganism particles in fluidized-bed and form internal recycling because of ramp effect, further degraded to Pollutants in Wastewater is removed, between liquid storage container (8) and the reaction chamber of combined reactor, by grid (7), be communicated with, through the immobilization microorganism fluidized bed waste water of carrying out a biological disposal upon of described ramp type, by described grid (7), enter described liquid storage container (8), via described submersible pump (1), enter next round water treatment circulation again, make the waste water after processing reach emission request or reuse standard.
6. the combined reactor of visible light catalytic according to claim 5 and immobilized microorganism combination treatment waste water, it is characterized in that, with sol-gel method, the codoping modified titanium dioxide optical catalyst of carbon nitrogen sulphur is loaded on and in stainless steel substrates substrate, makes described stainless steel inclined-plane substrate (3), be specially: after titanic acid ester is mixed according to volume ratio 1:2～1:10 with organic solvent, slowly be added drop-wise to mass percent concentration and be in 5% ~ 25% thiourea solution and stir 6 ~ 10 hours, become clear gel to solution, be coated in substrate surface, and at 50～80 ℃ oven drying at low temperature 8 ~ 25 hours, then 250～450 ℃ of roastings 3～15 hours in retort furnace.
7. according to the combined reactor of the visible light catalytic described in claim 5 or 6 and immobilized microorganism combination treatment waste water, it is characterized in that: while preparing the immobilization microorganism fluidized bed immobilization microorganism particles of ramp type, according to (0.08～2): (1～3): the microorganism concentrated solution that 1 ratio is 10～30g/L by sodium alginate, concentration, water are added drop-wise in 3% calcium chloride solution after mixing, solidify after 5～10 minutes, taking out in the gel calcium chloride solution of polymerization forming, washed with de-ionized water, being i.e. fixed microbe granular.
8. according to the combined reactor of the visible light catalytic described in claim 5 or 6 and immobilized microorganism combination treatment waste water, it is characterized in that: the angle of inclination of the stainless steel inclined-plane substrate (3) of described ramp type photocatalytic reaction device is adjustable.
9. according to the combined reactor of the visible light catalytic described in claim 5 or 6 and immobilized microorganism combination treatment waste water, it is characterized in that: the surperficial water (flow) direction of stainless steel inclined-plane substrate (3) that makes to flow through is vertical with direction of illumination.
10. the combined reactor of visible light catalytic according to claim 7 and immobilized microorganism combination treatment waste water, is characterized in that: the surperficial water (flow) direction of stainless steel inclined-plane substrate (3) that makes to flow through is vertical with direction of illumination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480145.1A CN103508638A (en) | 2013-10-15 | 2013-10-15 | Combined wastewater treatment method through visible light catalysis and immobilized microorganisms and combined reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310480145.1A CN103508638A (en) | 2013-10-15 | 2013-10-15 | Combined wastewater treatment method through visible light catalysis and immobilized microorganisms and combined reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103508638A true CN103508638A (en) | 2014-01-15 |
Family
ID=49892133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310480145.1A Pending CN103508638A (en) | 2013-10-15 | 2013-10-15 | Combined wastewater treatment method through visible light catalysis and immobilized microorganisms and combined reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103508638A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404022A (en) * | 2014-12-17 | 2015-03-11 | 湖南大学 | Biological material with photochemical activity and preparation method and application thereof |
| CN104671609A (en) * | 2015-02-13 | 2015-06-03 | 常州大学 | Photocatalysis and biological treatment device for treating organic wastewater |
| CN105130098A (en) * | 2015-07-23 | 2015-12-09 | 重庆泰克环保工程设备有限公司 | Photo-catalytic/biochemical integrated reactor |
| CN105884137A (en) * | 2016-05-27 | 2016-08-24 | 东莞市联洲知识产权运营管理有限公司 | Novel immobilized microorganism wastewater treatment method |
| CN106256776A (en) * | 2015-06-17 | 2016-12-28 | 通用电器技术有限公司 | There is aeration and the seawater equipment of mixing recovery automatically |
| CN107162220A (en) * | 2017-07-06 | 2017-09-15 | 河海大学 | Nano-photocatalyst microorganism composite multi-layer printing opacity combines carrier |
| CN107487967A (en) * | 2017-10-09 | 2017-12-19 | 盐城工学院 | A kind of photocatalysis and waste water control method associated with biology |
| CN109665672A (en) * | 2019-01-25 | 2019-04-23 | 黑龙江大学 | A kind of device and Groundwater Treatment Methodss for strengthening total nitrogen in removal low temperature underground water |
| CN109734109A (en) * | 2019-02-22 | 2019-05-10 | 华北电力大学（保定） | A method of preparing ethoxy-dithioformic acid Intercalated |
| CN110589939A (en) * | 2019-08-17 | 2019-12-20 | 湖南科技大学 | Three-dimensional funnel type electric Fenton device and degradation-resistant organic wastewater treatment method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2354931Y (en) * | 1999-01-15 | 1999-12-22 | 清华大学 | Photocatalytic water treating apparatus with continuously angular adjusting membrane fixed panels |
| JP2002028644A (en) * | 2000-07-13 | 2002-01-29 | Ebara Corp | Treating method and device for cleaning cod-containing water |
| CN2804081Y (en) * | 2005-05-17 | 2006-08-09 | 上海大学 | Combined sewage treatment unit |
| CN1865167A (en) * | 2006-04-24 | 2006-11-22 | 顾宇航 | Bioreactor for disposing polluted water |
| CN101549299A (en) * | 2009-05-25 | 2009-10-07 | 四川大学 | Non-metallic element multiple doping nano titanium dioxide photocatalyst and preparation method |
| CN102091659A (en) * | 2010-12-07 | 2011-06-15 | 江南大学 | Method for preparing urea-doped titanium dioxide thin film with high visible light activity |
-
2013
- 2013-10-15 CN CN201310480145.1A patent/CN103508638A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2354931Y (en) * | 1999-01-15 | 1999-12-22 | 清华大学 | Photocatalytic water treating apparatus with continuously angular adjusting membrane fixed panels |
| JP2002028644A (en) * | 2000-07-13 | 2002-01-29 | Ebara Corp | Treating method and device for cleaning cod-containing water |
| CN2804081Y (en) * | 2005-05-17 | 2006-08-09 | 上海大学 | Combined sewage treatment unit |
| CN1865167A (en) * | 2006-04-24 | 2006-11-22 | 顾宇航 | Bioreactor for disposing polluted water |
| CN101549299A (en) * | 2009-05-25 | 2009-10-07 | 四川大学 | Non-metallic element multiple doping nano titanium dioxide photocatalyst and preparation method |
| CN102091659A (en) * | 2010-12-07 | 2011-06-15 | 江南大学 | Method for preparing urea-doped titanium dioxide thin film with high visible light activity |
Non-Patent Citations (3)
| Title |
|---|
| S.PARRA等: "New integrated photocatalytic-biological flow system using supported TiO2 and fixed bacteria for the mineralization of isoproturon", 《APPLIED CATALYSIS B: ENVIRONMENTAL》 * |
| 孙霞等: "一体式光催化氧化与生物降解反应器处理含苯酚和2,4,6-三氯酚废水", 《上海师范大学学报（自然科学版）》 * |
| 王怡中等: "平板构型太阳光催化反应***中甲基橙降解脱色研究", 《环境科学学报》 * |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404022A (en) * | 2014-12-17 | 2015-03-11 | 湖南大学 | Biological material with photochemical activity and preparation method and application thereof |
| CN104671609A (en) * | 2015-02-13 | 2015-06-03 | 常州大学 | Photocatalysis and biological treatment device for treating organic wastewater |
| CN106256776A (en) * | 2015-06-17 | 2016-12-28 | 通用电器技术有限公司 | There is aeration and the seawater equipment of mixing recovery automatically |
| CN106256776B (en) * | 2015-06-17 | 2021-03-12 | 通用电器技术有限公司 | Seawater equipment with inclined aeration and automatic mixing recovery |
| CN105130098A (en) * | 2015-07-23 | 2015-12-09 | 重庆泰克环保工程设备有限公司 | Photo-catalytic/biochemical integrated reactor |
| CN105884137B (en) * | 2016-05-27 | 2019-07-09 | 佛山市顺德区华清源环保有限公司 | A kind of sewage water treatment method of novel immobilized microorganism |
| CN105884137A (en) * | 2016-05-27 | 2016-08-24 | 东莞市联洲知识产权运营管理有限公司 | Novel immobilized microorganism wastewater treatment method |
| US10889517B2 (en) | 2017-07-06 | 2021-01-12 | Hohai University | Nanometer photocatalyst-microbe composite multilayer light transmission combination carrier |
| CN107162220B (en) * | 2017-07-06 | 2020-06-12 | 河海大学 | Nano photocatalyst-microorganism composite multilayer light-transmitting combined carrier |
| CN107162220A (en) * | 2017-07-06 | 2017-09-15 | 河海大学 | Nano-photocatalyst microorganism composite multi-layer printing opacity combines carrier |
| CN107487967A (en) * | 2017-10-09 | 2017-12-19 | 盐城工学院 | A kind of photocatalysis and waste water control method associated with biology |
| CN109665672A (en) * | 2019-01-25 | 2019-04-23 | 黑龙江大学 | A kind of device and Groundwater Treatment Methodss for strengthening total nitrogen in removal low temperature underground water |
| CN109665672B (en) * | 2019-01-25 | 2021-11-05 | 黑龙江大学 | Device for removing total nitrogen in low-temperature underground water in enhanced mode and underground water treatment method |
| CN109734109A (en) * | 2019-02-22 | 2019-05-10 | 华北电力大学（保定） | A method of preparing ethoxy-dithioformic acid Intercalated |
| CN109734109B (en) * | 2019-02-22 | 2021-05-04 | 华北电力大学（保定） | Method for preparing ethyl xanthic acid intercalated magnesium-aluminum hydrotalcite |
| CN110589939A (en) * | 2019-08-17 | 2019-12-20 | 湖南科技大学 | Three-dimensional funnel type electric Fenton device and degradation-resistant organic wastewater treatment method |
| CN110589939B (en) * | 2019-08-17 | 2023-04-11 | 湖南科技大学 | Three-dimensional funnel type electric Fenton device and degradation-resistant organic wastewater treatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103508638A (en) | Combined wastewater treatment method through visible light catalysis and immobilized microorganisms and combined reactor | |
| CN108911023B (en) | Circulation type heterogeneous photocatalytic oxidation treatment system and treatment method | |
| CN1199887C (en) | Microwave catalytic oxidation process and apparatus for treating waste water containing hard-to-degrade organic matters | |
| CN204384922U (en) | Solar energy photocatalytic decomposition apparatus | |
| WO2018228080A1 (en) | Skid-mounted device of upper-spreading in-diffusion vertical pushing photocatalytic wastewater treatment | |
| CN204689799U (en) | Based on the photocatalytic oxidation reactor of activated carbon supported nano TiO 2 | |
| CN104528871B (en) | Solar energy photocatalytic decomposition apparatus | |
| CN102874994A (en) | Double-internal circulating water treatment device capable of combining photocatalysis and aerobe, and working method thereof | |
| CN102923812B (en) | Three-phase internal circulating photocatalytic reactor | |
| CN104056546A (en) | Soil vapor extraction volatile organic pollutant tail gas clarification system | |
| CN113351237A (en) | Floating type photocatalytic material, preparation method and treatment device for degrading antibiotic wastewater by using floating type photocatalytic material | |
| CN110841672A (en) | Method for treating antibiotic wastewater by utilizing graphite alkyne modified silver phosphate composite photocatalyst | |
| CN110624527A (en) | Preparation method of three-dimensional colored titanium dioxide photocatalytic material, product and application thereof | |
| CN106186543B (en) | A kind of dual-membrane type solar energy sewage-treatment plant and its technique | |
| CN106492773A (en) | A kind of photocatalysis loaded article TiO for processing waste water from dyestuff2/ As and its preparation method and application | |
| CN204625249U (en) | The reactive agent device of photocatalytic waste water treatment | |
| CN104261510A (en) | Photocatalytic device for deeply processing organic wastewater | |
| CN103816856B (en) | For the material and its preparation method and application of micro quantity organic pollutant in degradation water | |
| CN1962478A (en) | Photocatalytic degradation method for treating polluting water containing rhodamine B using bismuth oxide film | |
| CN105000623B (en) | Photocatalysis treatment method and device for efficiently removing organic pollutants in water | |
| CN105174361B (en) | Integrated photo-catalytic oxidation-UF membrane three-phase fluidization bed reaction device | |
| CN204550132U (en) | A kind of novel photocatalysis water treating equipment | |
| CN107640801A (en) | A kind of method of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater | |
| CN104310523A (en) | Method for processing wastewater by using photocatalytic reaction, and photocatalytic reactor | |
| CN102976567A (en) | Multistage photocatalytic treatment process for paint wastewater with ultraviolet visible light |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140115 |