CN103803695A - Method for Fenton-like light-catalyzed reaction system for zero-valent iron and TiO2 photocatalytic coupling - Google Patents
Method for Fenton-like light-catalyzed reaction system for zero-valent iron and TiO2 photocatalytic coupling Download PDFInfo
- Publication number
- CN103803695A CN103803695A CN201410063107.0A CN201410063107A CN103803695A CN 103803695 A CN103803695 A CN 103803695A CN 201410063107 A CN201410063107 A CN 201410063107A CN 103803695 A CN103803695 A CN 103803695A
- Authority
- CN
- China
- Prior art keywords
- reaction system
- tio
- light
- reaction
- iron
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 20
- 230000008878 coupling Effects 0.000 title abstract description 7
- 238000010168 coupling process Methods 0.000 title abstract description 7
- 238000005859 coupling reaction Methods 0.000 title abstract description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title abstract 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 64
- 239000002351 wastewater Substances 0.000 claims abstract description 44
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 42
- 239000011521 glass Substances 0.000 claims abstract description 21
- 238000005273 aeration Methods 0.000 claims abstract description 15
- 239000000975 dye Substances 0.000 claims description 42
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 27
- 238000007146 photocatalysis Methods 0.000 claims description 27
- 229910052742 iron Inorganic materials 0.000 claims description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 12
- 239000000084 colloidal system Substances 0.000 claims description 12
- 229960004887 ferric hydroxide Drugs 0.000 claims description 12
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 claims description 12
- 238000004065 wastewater treatment Methods 0.000 claims description 10
- 239000003344 environmental pollutant Substances 0.000 claims description 8
- 231100000719 pollutant Toxicity 0.000 claims description 8
- 238000011109 contamination Methods 0.000 claims description 6
- 239000010419 fine particle Substances 0.000 claims description 6
- 238000006386 neutralization reaction Methods 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- 230000002378 acidificating effect Effects 0.000 claims description 4
- 230000007363 regulatory process Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004043 dyeing Methods 0.000 abstract 7
- 239000003054 catalyst Substances 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 22
- 239000000243 solution Substances 0.000 description 21
- -1 hydroxyl radical free radical Chemical class 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000007599 discharging Methods 0.000 description 4
- 230000001131 transforming effect Effects 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 2
- 239000012028 Fenton's reagent Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910001447 ferric ion Inorganic materials 0.000 description 2
- 229910001448 ferrous ion Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 238000000409 membrane extraction Methods 0.000 description 1
- 238000000120 microwave digestion Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Physical Water Treatments (AREA)
- Catalysts (AREA)
Abstract
The invention provides a method for a Fenton-like light-catalyzed reaction system for zero-valent iron and TiO2 photocatalytic coupling. The method comprises the following steps of: preparing 1 L simulative dyeing wastewater with a concentration of 10-100 mg/L and placing the simulative dyeing wastewater in a glass container, adding 0.1-2 g of FeO in the simulative dyeing wastewater, adjusting the pH of the simulative dyeing wastewater to 3 by HCl solution with a concentration of 1 mol/L, then pouring 1 g/L TiO2 catalyst in the dyeing wastewater, turning on an ultraviolet lamp with a wavelength lambda of 254 nm, placing the glass container filled with the simulative dyeing wastewater under the ultraviolet lamp, turning on an aeration pump, driving to mix the HCl solution, the TiO2 catalyst and the simulative dyeing wastewater in the reaction system by means of bottom aeration of the glass container, after the reaction is finished, turning off the ultraviolet lamp and the aeration pump, adding 2-10 ml NaOH solution with a concentration of 1 mol/L in the reaction system, and statically settling for 30-60 minutes. The effect of the method provided by the invention is that the chroma and the turbidity in the reaction system can be reduced by 35-50%, and the effluent quality can achieve the requirements of the first-level A standards of (GB18918-2002).
Description
Technical field
The present invention relates to inorganic functional material and Photocatalytic Technology for Wastewater Treatment, particularly a kind of Zero-valent Iron and TiO
2the method of photocatalysis coupled class Fenton light-catalyzed reaction system.
Background technology
Along with the high speed development of world economy and industrial rise, society increases day by day to the demand of water, and Freshwater resources available on the earth are fewer and feweri, and many countries are all faced with the crisis of shortage of water resources.In recent years water pollution is also more and more serious, and in the Environmental Monitoring Report of 1998, in section, 176 cities, the whole nation, most sections are subject to pollution in various degree.And in the statistical study of Ground water Quality Survey data information in 120 cities, the whole nation, the underground water in these cities is also subject to pollution in various degree.Therefore, emerged in recent years the water technology of many novel high-efficiency and energy-savings, as: photocatalytic method, Microwave Digestion, membrane extraction method etc.In numerous new type water treatment technologies, TiO
2photocatalysis technology becomes rapidly one of hot subject of 21 century water-treatment technology field research with its unique advantage.Along with TiO
2the further investigation of photocatalysis technology, shows TiO
2photocatalysis technology and a lot of high-level oxidation technologies couplings TiO that can efficient solution determines
2the defect of photocatalysis oxidation technique, novel coordination technique can show higher catalytic activity.
Fenton (Fenton) technology is a comparatively ripe high-level oxidation technology efficiently.This technology is the method for wastewater treatment that carries out chemical oxidation with Fenton reagent, and Fenton reagent is by H
2o
2and Fe
2+the very strong oxygenant of a kind of oxidation capacity mixing, its oxidation mechanism is mainly under acidic conditions (general pH <3.5), utilizes Fe
2+as H
2o
2catalyzer, generate and there is very by force oxidation electrically and the very high hydroxyl radical free radical (OH) of reactive behavior, hydroxyl radical free radical generates organic free radical with hardly degraded organic substance and makes it structure deteriorate in the aqueous solution, final oxygenolysis.Fe simultaneously
2+be oxidized to Fe
3+produce coagulating sedimentation, large amount of organic is condensed and remove.Fenton oxidation method can be processed the organic waste water such as nitrobenzene-containing, ABS and effectively for the decolouring of waste water, except stench.
Summary of the invention
The object of the present invention is to provide a kind of Zero-valent Iron and TiO
2the method of the class Fenton light-catalyzed reaction system of catalysis coupling, by Fe
0with TiO
2photocatalysis technology is coupled, and is combined into class Fenton photocatalysis technology in certain environment, can effectively improve the catalytic activity of photocatalysis technology, improves removal efficiency and the effluent quality of pollutent, has reduced the generation of Fenton technology iron mud.
For achieving the above object, a kind of Zero-valent Iron of the present invention and TiO
2the method of photocatalysis coupled class Fenton light-catalyzed reaction system, the method comprises the following steps:
(1) dye wastewater that preparation 1L concentration is 10mg/L-100mg/L is placed in Glass Containers, in this dye wastewater, adds 0.1g-2g Fe
0, the HCl solution that is 1mol/L by concentration regulates the pH=3 of described dye wastewater, then to the TiO that adds 1g/L in described waste water from dyestuff
2catalyzer, the ultraviolet lamp of unlatching λ=254nm, is placed in the Glass Containers that fills dye wastewater under described ultraviolet lamp, opens aeration pump, adopts Glass Containers bottom aeration mode to drive HCl solution, the TiO in hybrid reaction system
2catalyzer and dye wastewater, realized the light-catalyzed reaction of class Fenton thus;
(2) after above-mentioned reaction finishes, be the NaOH solution of 1mol/L toward adding 2-10ml concentration in reaction system, follow-up NaOH solution add the H in both neutralization reaction systems
+, also with reaction system in Fe
3+generate ferric hydroxide colloid; The Cl existing in reaction system
-and Fe
3+generate iron(ic) chloride, because iron(ic) chloride and ferric hydroxide colloid all have throwing out, promoted TiO in reaction system
2catalyzer, dye molecule and fine particle contamination precipitation, effluent quality can reach " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) requirement of one-level A standard.
The pH of described reaction system is Dynamic Regulating Process in reaction process, in reaction process, makes all the time reaction system be maintained the acidic medium of pH=3.Described Zero-valent Iron (Fe
0) after reaction finishes, remaining iron simple substance can directly take out, separate with reaction system.
Effect of the present invention is:
1, the present invention is by Fe
0with TiO
2photocatalysis technology is coupled, and is combined into class Fenton photocatalysis technology in certain environment, can effectively improve the catalytic activity of photocatalysis technology, improves removal efficiency and the effluent quality of pollutent, has reduced the generation of Fenton technology iron mud.
2, the present invention is in acid system, Fe
0can discharge ferrous ion (Fe
2+); Part Fe
2+under the effect of oxygen, be oxidized to ferric ion (Fe
3+).Therefore, in such Fenton light-catalyzed reaction system, there is UV-light, TiO simultaneously
2catalyzer, pollutent, Fe
2+and Fe
3+.Fe
0the Fe discharging
2+and the Fe transforming
3+same TiO
2photocatalysis coupled; Can catch TiO
2light induced electron, reduces the compound of light induced electron-hole, can strengthen TiO
2photocatalysis; TiO
2hydroxyl radical free radical (OH) and Fe that light-catalyzed reaction produces
0the Fe discharging
2+and the Fe transforming
3+coupling, composition class Fenton's reaction system, further improves the processing efficiency to pollutent.
3, at Fe
0with TiO
2the iron ion producing in photocatalysis synergy system and the interpolation of follow-up NaOH produce throwing out, can reduce colourity and the turbidity of 35%-50% in reaction system, effluent quality can reach " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) requirement of one-level A standard.
Effect of the present invention is Zero-valent Iron (Fe
0) and TiO
2photocatalysis synergy to the removal efficiency of pollutent with respect to single TiO
2photocatalysis has improved 40%, and the generation of its iron mud has reduced 50% compared to Fenton technology.
Embodiment
In conjunction with the following example to Zero-valent Iron of the present invention and TiO
2the method of photocatalysis coupled class Fenton light-catalyzed reaction system is illustrated:
Zero-valent Iron of the present invention and TiO
2the method mechanism of action of photocatalysis coupled class Fenton light-catalyzed reaction system is as follows:
TiO
2+ hv (UV-light) → e
-+ h
+
e
-+O
2→·O
2 -
·O
2 -+H
+→HOO·
2HOO·→O
2+H
2O
2
H
2O
2+·O
2 -→·OH+OH
-+O
2
h
++H
2O→·OH+·H
+
h
++OH
-→·OH
Fe
0+2H
+→Fe
2++H
2
Fe
2++O
2→Fe
3+
Fe
2++H
2O
2→Fe
3++·OH+OH
-
Fe
3++·H
2O
2→·OOH·+Fe
2++H
+
HOO·+H
2O
2·→H
2O+·OH+O
2
Zero-valent Iron of the present invention and TiO
2the method of photocatalysis coupled class Fenton light-catalyzed reaction system is by Zero-valent Iron (Fe
0) and TiO
2photocatalysis technology coupling, in acid system, Zero-valent Iron (Fe
0) can discharge ferrous ion (Fe
2+), part Fe
2+under the effect of oxygen, be oxidized to ferric ion (Fe
3+).Therefore, in such Fenton light-catalyzed reaction system, there is UV-light, TiO simultaneously
2catalyzer, pollutent, Fe
2+and Fe
3+.Fe
0the Fe discharging
2+and the Fe transforming
3+same TiO
2photocatalysis coupled; Can catch TiO
2light induced electron, reduces the compound of light induced electron-hole, can strengthen TiO
2photocatalysis; TiO
2hydroxyl radical free radical (OH) and Fe that light-catalyzed reaction produces
0the Fe discharging
2+and the Fe transforming
3+coupling, composition class Fenton's reaction system, further improves the processing efficiency to pollutent.And, at Fe
0with TiO
2the iron ion producing in photocatalysis synergy system can produce into throwing out through adding alkali, can reduce colourity and the turbidity of 35%-50% in reaction system, effluent quality can reach " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) requirement of one-level A standard.
Zero-valent Iron of the present invention and TiO
2the method of photocatalysis coupled class Fenton light-catalyzed reaction system, the method comprises the following steps:
(1) dye wastewater that preparation 1L concentration is 10mg/L-100mg/L is placed in Glass Containers, in this dye wastewater, adds 0.1g-2g Fe
0, the HCl solution that is 1mol/L by concentration regulates the pH=3 of described dye wastewater, then to the TiO that adds 1g/L in described waste water from dyestuff
2catalyzer, the ultraviolet lamp of unlatching λ=254nm, is placed in the Glass Containers that fills dye wastewater under described ultraviolet lamp, opens aeration pump, adopts Glass Containers bottom aeration mode to drive HCl solution, the TiO in hybrid reaction system
2catalyzer and dye wastewater, realized the light-catalyzed reaction of class Fenton thus;
(2) after above-mentioned reaction finishes, be the NaOH solution of 1mol/L toward adding 2-10ml concentration in reaction system, follow-up NaOH solution add the H in both neutralization reaction systems
+, also with reaction system in Fe
3+generate ferric hydroxide colloid; The Cl existing in reaction system
-and Fe
3+generate iron(ic) chloride, because iron(ic) chloride and ferric hydroxide colloid all have throwing out, promoted TiO in reaction system
2catalyzer, dye molecule and fine particle contamination precipitation, can reduce colourity and the turbidity of 35%-50% in reaction system, and effluent quality can reach " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) requirement of one-level A standard.
The pH of described reaction system is Dynamic Regulating Process in reaction process, in reaction process, makes all the time reaction system be maintained the acidic medium of pH=3.Described Zero-valent Iron (Fe
0) after reaction finishes, remaining iron simple substance can directly take out, separate with reaction system.
Embodiment 1:
(1) dye wastewater that preparation 1L concentration is 10mg/L is placed in the Glass Containers that volume V is greater than 1L, in this dye wastewater, adds 0.1gFe
0, the HCl solution that is 1mol/L by concentration regulates the pH=3 of this dye wastewater, then to the TiO that adds 1g/L in this waste water from dyestuff
2catalyzer.The ultraviolet lamp of opening λ=254nm, is placed in UV-light environment by the Glass Containers that fills dye wastewater, opens aeration pump, adopts Glass Containers bottom aeration mode to drive HCl solution, the TiO in hybrid reaction system
2catalyzer and dye wastewater, realized the light-catalyzed reaction of class Fenton thus.
(2) after above-mentioned reaction finishes, be the NaOH solution of 1mol/L toward adding 2ml concentration in reaction system, follow-up NaOH solution add the H in both neutralization reaction systems
+, also with reaction system in Fe
3+generate ferric hydroxide colloid; The Cl existing in reaction system
-and Fe
3+generated iron(ic) chloride, iron(ic) chloride and ferric hydroxide colloid all have throwing out, can effectively promote TiO in reaction system
2catalyzer, dye molecule and fine particle contamination precipitation, can reduce colourity and the turbidity of 35%-50% in reaction system, and effluent quality can reach " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) requirement of one-level A standard.
Embodiment 2:
(1) dye wastewater that preparation 1L concentration is 50mg/L is placed in the Glass Containers that volume V is greater than 1L, in this dye wastewater, adds 1g Fe
0, the HCl solution that is 1mol/L by concentration regulates the pH=3 of this dye wastewater, then to the TiO that adds 1g/L in this waste water from dyestuff
2catalyzer.The ultraviolet lamp of opening λ=254nm, is placed in UV-light environment by the Glass Containers that fills dye wastewater, opens aeration pump, adopts Glass Containers bottom aeration mode to drive HCl solution, the TiO in hybrid reaction system
2catalyzer and dye wastewater, realized the light-catalyzed reaction of class Fenton thus.
(2) after above-mentioned reaction finishes, be the NaOH solution of 1mol/L toward adding 5ml concentration in reaction system, follow-up NaOH solution add the H in both neutralization reaction systems
+, also with reaction system in Fe
3+generate ferric hydroxide colloid; The Cl existing in reaction system
-and Fe
3+generated iron(ic) chloride, iron(ic) chloride and ferric hydroxide colloid all have throwing out, can effectively promote TiO in reaction system
2catalyzer, dye molecule and fine particle contamination precipitation, thereby colourity and the turbidity of reduction reaction system 35%, effluent quality can reach " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) requirement of one-level A standard.
Embodiment 3:
(1) dye wastewater that preparation 1L concentration is 100mg/L is placed in the Glass Containers that volume V is greater than 1L, in this dye wastewater, adds 2g Fe
0, the HCl solution that is 1mol/L by concentration regulates the pH=3 of this dye wastewater, then to the TiO that adds 1g/L in this waste water from dyestuff
2catalyzer.The ultraviolet lamp of opening λ=254nm, is placed in UV-light environment by the Glass Containers that fills dye wastewater, opens aeration pump, adopts Glass Containers bottom aeration mode to drive HCl solution, the TiO in hybrid reaction system
2catalyzer and dye wastewater, realized the light-catalyzed reaction of class Fenton thus.
(2) after above-mentioned reaction finishes, be the NaOH solution of 1mol/L toward adding 10ml concentration in reaction system, follow-up NaOH solution add the H in both neutralization reaction systems
+, also with reaction system in Fe
3+generate ferric hydroxide colloid; The Cl existing in reaction system
-and Fe
3+generated iron(ic) chloride, iron(ic) chloride and ferric hydroxide colloid all have throwing out, can effectively promote TiO in reaction system
2catalyzer, dye molecule and fine particle contamination precipitation, thereby colourity and the turbidity of reduction reaction system 50%, effluent quality can reach " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) requirement of one-level A standard.
Claims (3)
1. a Zero-valent Iron and TiO
2the method of photocatalysis coupled class Fenton light-catalyzed reaction system, the method comprises the following steps:
(1) dye wastewater that preparation 1L concentration is 10mg/L-100mg/L is placed in Glass Containers, in this dye wastewater, adds 0.1g-2g Fe
0, the HCl solution that is 1mol/L by concentration regulates the pH=3 of described dye wastewater, then to the TiO that adds 1g/L in described waste water from dyestuff
2catalyzer, the ultraviolet lamp of unlatching λ=254nm, is placed in the Glass Containers that fills dye wastewater under described ultraviolet lamp, opens aeration pump, adopts Glass Containers bottom aeration mode to drive HCl solution, the TiO in hybrid reaction system
2catalyzer and dye wastewater, realized the light-catalyzed reaction of class Fenton thus;
(2) after above-mentioned reaction finishes, be the NaOH solution of 1mol/L toward adding 2-10ml concentration in reaction system, follow-up NaOH solution add the H in both neutralization reaction systems
+, also with reaction system in Fe
3+generate ferric hydroxide colloid; The Cl existing in reaction system
-and Fe
3+generate iron(ic) chloride, because iron(ic) chloride and ferric hydroxide colloid all have throwing out, promoted TiO in reaction system
2catalyzer, dye molecule and fine particle contamination precipitation, effluent quality can reach " urban wastewater treatment firm pollutant emission standard " (GB18918-2002) requirement of one-level A standard.
2. the method for class Fenton light-catalyzed reaction system according to claim 1, is characterized in that: the pH of described reaction system is Dynamic Regulating Process in reaction process, in reaction process, makes all the time reaction system be maintained the acidic medium of pH=3.
3. the method for class Fenton light-catalyzed reaction system according to claim 1, is characterized in that: described Zero-valent Iron (Fe
0) after reaction finishes, remaining iron simple substance can directly take out, separate with reaction system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410063107.0A CN103803695B (en) | 2014-02-25 | 2014-02-25 | Method for Fenton-like light-catalyzed reaction system for zero-valent iron and TiO2 photocatalytic coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410063107.0A CN103803695B (en) | 2014-02-25 | 2014-02-25 | Method for Fenton-like light-catalyzed reaction system for zero-valent iron and TiO2 photocatalytic coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103803695A true CN103803695A (en) | 2014-05-21 |
| CN103803695B CN103803695B (en) | 2015-04-15 |
Family
ID=50701146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410063107.0A Expired - Fee Related CN103803695B (en) | 2014-02-25 | 2014-02-25 | Method for Fenton-like light-catalyzed reaction system for zero-valent iron and TiO2 photocatalytic coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103803695B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084605A (en) * | 2015-09-15 | 2015-11-25 | 聊城大学 | Pretreatment technique of pyrazolone production wastewater |
| CN105195185A (en) * | 2015-09-18 | 2015-12-30 | 武汉理工大学 | Efficient light fenton catalyst Ag3PO4/CuO and preparation method thereof |
| CN106732691A (en) * | 2017-01-20 | 2017-05-31 | 四川师范大学 | A kind of composite catalyst for organochlorine pollutant of degrading and preparation method thereof |
| CN108686655A (en) * | 2018-04-25 | 2018-10-23 | 陕西科技大学 | A kind of preparation method of dynamic Fenton-titanium dioxide coupling photochemical catalyst for environment remediation |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5045288A (en) * | 1989-09-15 | 1991-09-03 | Arizona Board Of Regents, A Body Corporate Acting On Behalf Of Arizona State University | Gas-solid photocatalytic oxidation of environmental pollutants |
| WO2004101442A1 (en) * | 2003-05-19 | 2004-11-25 | Ntu Ventures Private Limited | Method and system for the degradation of halogenated compounds |
| KR20090025409A (en) * | 2007-09-06 | 2009-03-11 | 하우징닥터 (주) | Wastewater treatment system and method using nano metal and catalysis membrane |
| CN101691262A (en) * | 2009-10-21 | 2010-04-07 | 中国海洋石油总公司 | Optic-electronics integrated device for treating organic wastewater through catalytic oxidation |
| CN102276023A (en) * | 2011-06-21 | 2011-12-14 | 舒振华 | Method for treating organic dyestuff in wastewater |
| CN102372355A (en) * | 2011-10-09 | 2012-03-14 | 广东省生态环境与土壤研究所 | Method for processing organic waste water |
| CN102690005A (en) * | 2012-06-15 | 2012-09-26 | 紫金矿业集团股份有限公司 | Method for treating organic wastewater through photoelectric catalytic oxidation |
| CN203238135U (en) * | 2013-04-12 | 2013-10-16 | 西北大学 | Circulating batch sewage treatment photocatalytic reactor |
-
2014
- 2014-02-25 CN CN201410063107.0A patent/CN103803695B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5045288A (en) * | 1989-09-15 | 1991-09-03 | Arizona Board Of Regents, A Body Corporate Acting On Behalf Of Arizona State University | Gas-solid photocatalytic oxidation of environmental pollutants |
| WO2004101442A1 (en) * | 2003-05-19 | 2004-11-25 | Ntu Ventures Private Limited | Method and system for the degradation of halogenated compounds |
| KR20090025409A (en) * | 2007-09-06 | 2009-03-11 | 하우징닥터 (주) | Wastewater treatment system and method using nano metal and catalysis membrane |
| CN101691262A (en) * | 2009-10-21 | 2010-04-07 | 中国海洋石油总公司 | Optic-electronics integrated device for treating organic wastewater through catalytic oxidation |
| CN102276023A (en) * | 2011-06-21 | 2011-12-14 | 舒振华 | Method for treating organic dyestuff in wastewater |
| CN102372355A (en) * | 2011-10-09 | 2012-03-14 | 广东省生态环境与土壤研究所 | Method for processing organic waste water |
| CN102690005A (en) * | 2012-06-15 | 2012-09-26 | 紫金矿业集团股份有限公司 | Method for treating organic wastewater through photoelectric catalytic oxidation |
| CN203238135U (en) * | 2013-04-12 | 2013-10-16 | 西北大学 | Circulating batch sewage treatment photocatalytic reactor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084605A (en) * | 2015-09-15 | 2015-11-25 | 聊城大学 | Pretreatment technique of pyrazolone production wastewater |
| CN105195185A (en) * | 2015-09-18 | 2015-12-30 | 武汉理工大学 | Efficient light fenton catalyst Ag3PO4/CuO and preparation method thereof |
| CN106732691A (en) * | 2017-01-20 | 2017-05-31 | 四川师范大学 | A kind of composite catalyst for organochlorine pollutant of degrading and preparation method thereof |
| CN106732691B (en) * | 2017-01-20 | 2019-08-30 | 四川师范大学 | A kind of composite catalyst and preparation method thereof for organochlorine pollutant of degrading |
| CN108686655A (en) * | 2018-04-25 | 2018-10-23 | 陕西科技大学 | A kind of preparation method of dynamic Fenton-titanium dioxide coupling photochemical catalyst for environment remediation |
| CN108686655B (en) * | 2018-04-25 | 2021-01-12 | 陕西科技大学 | Preparation method of dynamic Fenton-titanium dioxide coupling photocatalyst for environmental remediation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103803695B (en) | 2015-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ribeiro et al. | Recent trends and developments in Fenton processes for industrial wastewater treatment–A critical review | |
| Oller et al. | Photo-Fenton applied to the removal of pharmaceutical and other pollutants of emerging concern | |
| Tian et al. | 0D/3D coupling of g-C3N4 QDs/hierarchical macro-mesoporous CuO-SiO2 for high-efficiency norfloxacin removal in photo-Fenton-like processes | |
| CN110227499B (en) | Method for degrading organic dye in water by using molybdenum disulfide and ferrous iron activated persulfate | |
| Hosseini et al. | Improving the photocatalytic activity of NH2-UiO-66 by facile modification with Fe (acac) 3 complex for photocatalytic water remediation under visible light illumination | |
| CN105413713B (en) | A kind of porous oxidation iron catalyst of sulphur modification and its preparation method and application | |
| CN103708647B (en) | Deep treatment method for industrial wastewater through natural pyrite catalyzed H2O2 oxidation | |
| CN103803695B (en) | Method for Fenton-like light-catalyzed reaction system for zero-valent iron and TiO2 photocatalytic coupling | |
| Cheng et al. | Molybdenum disulfide co-catalysis boosting nanoscale zero-valent iron based Fenton-like process: performance and mechanism | |
| CN108176403B (en) | Co-loaded activated carbon fiber3O4Method for preparing catalytic material | |
| CN101549294A (en) | Magnetic nanometer material for processing organic pollutants | |
| Zhang et al. | Enhancement of photo-fenton-like degradation of orange II by MnO2/NiO nanocomposite with the synergistic effect from bisulfite | |
| CN103071493A (en) | Preparation method of hollow Ag/Zno microsphere photocatalyst | |
| CN109721148A (en) | A kind of catalytic ozonation water treatment technology and application method that ability is cut down with bromate of heterojunction boundary electron transmission induction | |
| Kakavandi et al. | Spinel cobalt ferrite-based porous activated carbon in conjunction with UV light irradiation for boosting peroxymonosulfate oxidation of bisphenol A | |
| CN105036292A (en) | Method for degrading rhodamine B dye wastewater by catalyzing Oxone with magnetic cobalt catalyst | |
| CN105084507A (en) | High-iron bauxite-hydrogen peroxide combined water treatment method | |
| CN102407128B (en) | Preparation method and application of Gd, Pr or Yb doped fenton catalyst | |
| Brillas | Progress of antibiotics removal from synthetic and real waters and wastewaters by persulfate-based advanced oxidation processes | |
| Wang et al. | Efficient removal of organic contaminants in CuS-mediated solid-liquid-interfacial fenton-like system: Role of bimetallic cycle and sulfur species | |
| CN110902804A (en) | Method for removing pollutants in wastewater by utilizing thermally-assisted benzoquinone wastewater to catalyze persulfate | |
| Ma et al. | Fe-MOFs/CuS nanocomposite-mediated peroxymonosulfate activation for tetracycline degradation: Boosted dual redox cycles | |
| Ding et al. | Enhanced sludge dewaterability by efficient oxidation of α-mn2o3/peroxymonosulfate: analysis of the mechanism and evaluation of engineering application | |
| Chen et al. | Eco-friendly lignin-based N/C cocatalysts for ultrafast cyclic Fenton-like reactions in water purification via graphitic N-mediated interfacial electron transfer | |
| CN110498547A (en) | A kind of multistage multiple-effect catalysis advanced oxidation advanced treatment method for carbonization wastewater and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |