CN107640801A - A kind of method of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater - Google Patents
A kind of method of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater Download PDFInfo
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- CN107640801A CN107640801A CN201710945365.5A CN201710945365A CN107640801A CN 107640801 A CN107640801 A CN 107640801A CN 201710945365 A CN201710945365 A CN 201710945365A CN 107640801 A CN107640801 A CN 107640801A
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Abstract
A kind of method of photocatalysis coupled filtration method integral process Phenol-Containing Wastewater Treatment, it is related to a kind of application of photocatalysis coupled filtering integral technique.The present invention is to solve traditional handicraft photocatalysis performance is poor, be difficult to handle simultaneously containing suspension in phenol wastewater the problems such as.It is related to method：First, the preparation of dispersion liquid；2nd, the load of photochemical catalyst；3rd, the degraded of pollutant.The degradation rate of the integral process method for treating water Pyrogentisinic Acid of the present invention can reach 99%, while reach more than 60% to SS clearance.Catalyst and carrier may be reused, and be truly realized recycling economy.
Description
Technical field
The present invention relates to photocatalysis field, a kind of application of photocatalysis coupled filtering integral technique.
Background technology
With the fast development of modern industry, the discharge capacity and water pollutant species of waste water increasingly increase, not only seriously
Polluted-water, and health is threatened.Conventional processes high energy consumption, high is required to automatic control, to biological difficult drop
It is poor to solve pollutant process effect.In addition, being based on sustainable development idea, waste water is not only efficiently administered, and avoids generation two
Secondary pollution, realize that resources circulation is recycled also as the target that constantly pursuit is explored.As research emphasis and focus, photochemical catalyst
Phenols organic pollution in degraded sewage has obtained extensive research and application.Common photochemical catalyst such as titanium dioxide, two
Molybdenum sulfide etc. is nontoxic and can be small molecule inorganic matter by organic pollution mineralising, has efficient photocatalytic activity and chemically stable
Property, the absorption to visible ray can be greatly improved.And powdery photocatalyst has the problems such as recovery is difficult, easily reunites, one
Determine to limit its application in degree.Glass fabric is a kind of inorganic non-metallic material of good properties, can be used as photocatalysis
The carrier of agent, and play a part of filtering, but how catalyst firmly to be loaded to the difficult point that carrier surface is the field.Cause
This prepares a kind of catalyst with higher catalytic activity and improves its cyclic utilization rate using carrier in Phenol-Containing Wastewater Treatment
There is boundless application prospect with filter capacity.
The content of the invention
The present invention is to solve traditional handicraft photocatalysis performance is poor, is difficult to handle simultaneously containing suspension in phenol wastewater
Problem.
A kind of method of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater, it is characterised in that methods described is such as
Lower step：
First, the preparation of dispersion liquid：Binding agent is dissolved in ethanol, 0.5 ~ 1.5h of sonic oscillation, photochemical catalyst is added into solution
Powder, and it is 1 ~ 5g/L to be diluted to concentration, magnetic agitation 2h makes homogeneous dispersion；
2nd, the load of photochemical catalyst：Clean glass fabric is impregnated in 1h ~ 3h in the dispersion liquid of step 1 after treatment,
In an oven in 100 DEG C ~ 200 DEG C baking and curings, the glass fabric of loaded optic catalyst once is obtained；According to actual requirement weight
Duplicate step, obtain the glass fabric of loaded optic catalyst difference number；
3rd, the degraded of pollutant：The glass fibre that step 2 is obtained is arranged in the waste water containing phenol and SS, phenol it is dense
Spend for 5 ~ 15mg/L, SS concentration is 5 ~ 10mg/L, and 0.5 ~ 1.5h is irradiated under light source and continues to stir, molten after being handled
Liquid.
The beneficial effects are mainly as follows：
1st, black titanium dioxide photochemical catalyst prepared by the present invention considerably increases the absorption to visible ray, improves photocatalysis and lives
Property；
2nd, the glass fabric that the present invention uses is stable as support chemistry property, high temperature resistant, acid and alkali-resistance, increases photochemical catalyst
Specific surface area, be easily recycled, being placed in sewage can also play a role in filtering, and realize that the processing of photocatalysis and filtering integral is useless
Water.For loaded photocatalyst prepared by empirical tests to the clearance of the SS in waste water up to 60%, the clearance of Pyrogentisinic Acid is reachable
98%；
3rd, photochemical catalyst is effectively bonded to carrier surface by the aluminum phosphate that the present invention uses, and reinforcement recycles ability.In addition,
Aluminum phosphate has good photooxidation resistant ability, prevents catalyst from being come off under the irradiation of visible ray.
Brief description of the drawings
Fig. 1 is the pictorial diagram on prepared black titanium dioxide photocatalyst to glass fabric carrier.
Fig. 2 is the scanning electron microscope (SEM) photograph on prepared black titanium dioxide photocatalyst to glass fabric carrier.
Embodiment
Embodiment one：A kind of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater of present embodiment
Method is carried out according to the following steps：
First, the preparation of dispersion liquid：Binding agent is dissolved in ethanol, 0.5 ~ 1.5h of sonic oscillation, photochemical catalyst is added into solution
Powder, and it is 1 ~ 5g/L to be diluted to concentration, magnetic agitation 2h makes homogeneous dispersion；
2nd, the load of photochemical catalyst：Clean glass fabric is impregnated in 1h ~ 3h in the dispersion liquid of step 1 after treatment,
In an oven in 100 DEG C ~ 200 DEG C baking and curings, the glass fabric of loaded optic catalyst once is obtained；According to actual requirement weight
The degraded of duplicate three, pollutant：The glass fibre that step 2 is obtained is arranged in the waste water containing phenol and SS, phenol it is dense
Spend for 5 ~ 15mg/L, SS concentration is 5 ~ 10mg/L, and 0.5 ~ 1.5h is irradiated under light source and continues to stir, molten after being handled
Liquid.
Embodiment two：Present embodiment is unlike embodiment one：Bonding described in step 1
Agent is aluminum phosphate or polyvinyl acetate.It is other identical with embodiment one.
Embodiment three：Present embodiment is unlike embodiment one or two：Described in step 1
Photocatalyst powder is black titanium dioxide or molybdenum disulfide.It is other identical with embodiment one or two.
Embodiment four：Present embodiment is unlike embodiment three：Described black titanium dioxide
Photochemical catalyst preparation method, carry out according to the following steps：30min is ground after 0.5g titanium dioxide is mixed with 4g sodium borohydrides, is put
300 DEG C are increased to from room temperature in the tube furnace of logical nitrogen, and with 3 DEG C/min programming rate, 5h is incubated, is cooled to room temperature and obtains
To black powder, it is diluted with water and taking precipitate centrifuges, black titanium dioxide visible light catalyst is obtained after drying.
Embodiment five：Unlike one of present embodiment and embodiment one to four：Institute in step 1
The concentration for the dispersion liquid stated is 2g/L.It is other identical with one of embodiment one to four.
Embodiment six：Unlike one of present embodiment and embodiment one to five：Institute in step 2
The processing method for the glass fabric stated is：A length of 10cm, a width of 10cm glass fabric are put into Muffle furnace, in 300
DEG C ~ 500 DEG C at calcine 1h ~ 3h, 1 DEG C/min ~ 5 DEG C of heating rate/min, obtain cleaning glass fabric.Other and specific reality
It is identical to apply one of mode one to five.
Embodiment seven：Unlike one of present embodiment and embodiment one to six：Institute in step 2
The load number stated is 6 times.It is other identical with one of embodiment one to six.
Embodiment eight：Unlike one of present embodiment and embodiment one to seven：Institute in step 2
The light source stated is visible light source or ultraviolet source.It is other identical with one of embodiment one to seven.
Embodiment nine：Unlike one of present embodiment and embodiment one to eight：Institute in step 2
It is 1h in irradiation time to state.It is other identical with one of embodiment one to eight.
Embodiment ten：Unlike one of present embodiment and embodiment one to nine：Described load
The quality of type photochemical catalyst and the volume ratio of wastewater containing phenol are 1g:12ml.Other phases one of with embodiment one to nine
Together.
Beneficial effects of the present invention are verified by tests below.
Experiment one, a kind of method of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater are carried out according to the following steps：
First, the preparation of dispersion liquid：Aluminum phosphate binder is dissolved in ethanol, sonic oscillation 1h, black dioxy is added into solution
Change titanium photocatalyst powder, and it is 2g/L to be diluted to concentration, magnetic agitation 2h makes homogeneous dispersion；
2nd, the load of photochemical catalyst：Clean glass fabric is impregnated in 2h in the dispersion liquid of step 1 after treatment, is drying
In 150 DEG C of baking and curings in case, the glass fabric of loaded optic catalyst once is obtained；This step is repeated according to actual requirement,
Obtain loading the glass fabric of black titanium dioxide photochemical catalyst six times；
3rd, the glass fibre for the 3.75g load black titanium dioxide photochemical catalysts that step 2 obtains is arranged in 45mL and contains benzene
In phenol and SS waste water, the concentration of phenol is 10mg/L, and SS concentration is 8mg/L, irradiates 1h under visible light and continues to stir,
Solution after being handled.
The preparation method of black titanium dioxide photochemical catalyst, carry out according to the following steps：By 0.5g titanium dioxide and 4g boron hydrogen
30min is ground after changing sodium mixing, is put in the tube furnace of logical nitrogen, and 300 are increased to from room temperature with 3 DEG C/min programming rate
DEG C, 5h is incubated, room temperature is cooled to and obtains black powder, is diluted with water and taking precipitate centrifuges, black titanium dioxide is obtained after drying
Titanium visible light catalyst.
The processing method of glass fabric is：A length of 10cm, a width of 10cm glass fabric are put into Muffle furnace, in
1h, 2 DEG C/min of heating rate are calcined at 450 DEG C, obtains the glass fabric of cleaning.
Phenol in Aqueous Solution concentration is 0.197mg/L after measure processing, and clearance is up to 98%；SS is dense in solution after measure processing
Spend for 3.143mg/L, clearance is up to 60%.
Experiment two, a kind of method of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater are carried out according to the following steps：
First, the preparation of dispersion liquid：Polyvinyl acetate is dissolved in ethanol, sonic oscillation 1h, curing is added into solution
Molybdenum photocatalyst powder, and it is 2g/L to be diluted to concentration, magnetic agitation 2h makes homogeneous dispersion；
2nd, the load of photochemical catalyst：Clean glass fabric is impregnated in 2h in the dispersion liquid of step 1 after treatment, is drying
In 150 DEG C of baking and curings in case, the glass fabric of loaded optic catalyst once is obtained；This step is repeated according to actual requirement,
Obtain loading the glass fabric of molybdenum disulfide photochemical catalyst six times；
3rd, the glass fibre for the molybdenum disulfide photochemical catalyst that step 2 obtains is arranged in 45mL and contains phenol and SS waste water
In, the concentration of phenol is 10mg/L, and SS concentration is 8mg/L, irradiates 1h under visible light and continues to stir, molten after being handled
Liquid.
The processing method of glass fabric is：A length of 10cm, a width of 10cm glass fabric are put into Muffle furnace, in
1h, 2 DEG C/min of heating rate are calcined at 450 DEG C, obtains the glass fabric of cleaning.
Phenol in Aqueous Solution concentration is 1.739mg/L after measure processing, and clearance is up to 82%；SS is dense in solution after measure processing
Spend for 2.850mg/L, clearance is up to 64%.
Experiment three, a kind of method of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater are carried out according to the following steps：
First, the preparation of dispersion liquid：Aluminum phosphate binder is dissolved in ethanol, sonic oscillation 1h, black dioxy is added into solution
Change titanium photocatalyst powder, and it is 2g/L to be diluted to concentration, magnetic agitation 2h makes homogeneous dispersion；
2nd, the load of photochemical catalyst：Clean glass fabric is impregnated in 2h in the dispersion liquid of step 1 after treatment, is drying
In 150 DEG C of baking and curings in case, the glass fabric of loaded optic catalyst once is obtained；This step is repeated according to actual requirement,
Obtain loading the glass fabric of black titanium dioxide photochemical catalyst six times；
3rd, the glass fibre for the 3.75g load black titanium dioxide photochemical catalysts that step 2 obtains is arranged in 45mL and contains benzene
In phenol and SS waste water, the concentration of phenol is 10mg/L, and SS concentration is 8mg/L, irradiates 1h under ultraviolet light and continues to stir,
Solution after being handled.
The preparation method of black titanium dioxide photochemical catalyst, carry out according to the following steps：By 0.5g titanium dioxide and 4g boron hydrogen
30min is ground after changing sodium mixing, is put in the tube furnace of logical nitrogen, and 300 are increased to from room temperature with 3 DEG C/min programming rate
DEG C, 5h is incubated, room temperature is cooled to and obtains black powder, is diluted with water and taking precipitate centrifuges, black titanium dioxide is obtained after drying
Titanium visible light catalyst.
The processing method of glass fabric is：A length of 10cm, a width of 10cm glass fabric are put into Muffle furnace, in
1h, 2 DEG C/min of heating rate are calcined at 450 DEG C, obtains the glass fabric of cleaning.
Phenol in Aqueous Solution concentration is 0.061mg/L after measure processing, and clearance is up to 99%；SS is dense in solution after measure processing
Spend for 2.721mg/L, clearance is up to 66%.
Claims (10)
- A kind of 1. method of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater, it is characterised in that methods described is as follows Step：First, the preparation of dispersion liquid：Binding agent is dissolved in ethanol, 0.5 ~ 1.5h of sonic oscillation, photochemical catalyst is added into solution Powder, and it is 1 ~ 5g/L to be diluted to concentration, magnetic agitation 2h makes homogeneous dispersion；2nd, the load of photochemical catalyst：Clean glass fabric is impregnated in 1h ~ 3h in the dispersion liquid of step 1 after treatment, In an oven in 100 DEG C ~ 200 DEG C baking and curings, the glass fabric of loaded optic catalyst once is obtained；According to actual requirement weight Duplicate step, obtain the glass fabric of loaded optic catalyst difference number；3rd, the glass fibre for obtaining step 2 is arranged in the waste water containing phenol and SS, and the concentration of phenol is 5 ~ 15mg/L, SS concentration is 5 ~ 10mg/L, and 0.5 ~ 1.5h is irradiated under light source and continues to stir, solution after being handled.
- 2. a kind of method of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater according to claim 1, it is special Sign is that the binding agent described in step 1 is aluminum phosphate or polyvinyl acetate.
- 3. a kind of method of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater according to claim 1, it is special Sign is that the photocatalyst powder described in step 1 is black titanium dioxide or molybdenum disulfide.
- 4. a kind of method of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater according to claim 3, described Black titanium dioxide photochemical catalyst preparation method, carry out according to the following steps：0.5g titanium dioxide is mixed with 4g sodium borohydrides After grind 30min, be put in the tube furnace of logical nitrogen, and 300 DEG C are increased to from room temperature with 3 DEG C/min programming rate, insulation 5h, it is cooled to room temperature and obtains black powder, is diluted with water and taking precipitate centrifuges, black titanium dioxide visible ray is obtained after drying Catalyst.
- 5. a kind of method of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater according to claim 1, it is special Sign is that the concentration of the dispersion liquid described in step 1 is 2g/L.
- 6. a kind of method of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater according to claim 1, it is special Sign is that the processing method of the glass fabric described in step 2 is：A length of 10cm, a width of 10cm glass fibre are laid Enter in Muffle furnace, 1h ~ 3h is calcined at 300 DEG C ~ 500 DEG C, 1 DEG C/min ~ 5 DEG C of heating rate/min, obtains the glass fibers of cleaning Wei Bu.
- 7. a kind of method of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater according to claim 1, it is special Sign is that the load number described in step 2 is 6 times.
- 8. a kind of method of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater according to claim 1, it is special Sign is that the light source described in step 2 is visible light source or ultraviolet source.
- 9. a kind of method of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater according to claim 1, it is special Sign is that described in step 2 be 1h in irradiation time.
- 10. a kind of method of photocatalysis coupled filtering integral PROCESS FOR TREATMENT phenol wastewater according to claim 1, it is special It is 1g to levy the quality of photochemical catalyst for being to prepare described in step 3 and the volume ratio of wastewater containing phenol:12ml.
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Cited By (2)
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| CN109231483A (en) * | 2018-09-29 | 2019-01-18 | 黑龙江大学 | A kind of method of photocatalysis coupled microbe filter integral process Phenol-Containing Wastewater Treatment |
| CN112108183A (en) * | 2020-08-26 | 2020-12-22 | 西安交通大学 | Photocatalyst immobilization method on flexible fiber substrate |
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| CN102258989A (en) * | 2011-05-16 | 2011-11-30 | 伏宏彬 | Method for preparing glass fiber cloth-loaded nano titanium dioxide photocatalysis reactor |
| CN103433013A (en) * | 2013-09-09 | 2013-12-11 | 中国科学院新疆理化技术研究所 | Preparation method of glass fiber titanium-dioxide-loaded composite material |
| CN104437449A (en) * | 2014-12-09 | 2015-03-25 | 黑龙江大学 | Preparation method of black titanium dioxide visible light photocatalyst |
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| CN1721059A (en) * | 2005-05-24 | 2006-01-18 | 同济大学 | Loaded on glass fiber net TiO 2The preparation method of fixed film photocatalyst |
| JP2010022963A (en) * | 2008-07-22 | 2010-02-04 | Shinetsu Quartz Prod Co Ltd | Fibrous photocatalyst article, its manufacturing method, and cleaning apparatus |
| CN102258989A (en) * | 2011-05-16 | 2011-11-30 | 伏宏彬 | Method for preparing glass fiber cloth-loaded nano titanium dioxide photocatalysis reactor |
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| CN112108183A (en) * | 2020-08-26 | 2020-12-22 | 西安交通大学 | Photocatalyst immobilization method on flexible fiber substrate |
| CN112108183B (en) * | 2020-08-26 | 2022-02-11 | 西安交通大学 | Photocatalyst immobilization method on flexible fiber substrate |
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Application publication date: 20180130 |