CN100354213C - Microwave plasma fortified internal electrolysis photocatelysis oxidation integrated water treatment equipment - Google Patents
Microwave plasma fortified internal electrolysis photocatelysis oxidation integrated water treatment equipment Download PDFInfo
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- CN100354213C CN100354213C CNB2005100196713A CN200510019671A CN100354213C CN 100354213 C CN100354213 C CN 100354213C CN B2005100196713 A CNB2005100196713 A CN B2005100196713A CN 200510019671 A CN200510019671 A CN 200510019671A CN 100354213 C CN100354213 C CN 100354213C
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Abstract
The present invention relates to microwave plasma fortified internal electrolysis photocatalysis oxidation integrated water treatment equipment which is provided with a microwave source (1) and a reaction tank, wherein the reaction tank is composed of a photochemical and air floatation reaction tank (4) and an internal electrolysis reaction tank (8) which are communicated at the tops and the bottoms, and a baffle plate (6) is arranged between the photochemical and air floatation reaction tank (4) and the internal electrolysis reaction tank (8); illuminant (2) and catalysts (3) under the illuminant are arranged at the upper communicated point of the two reaction tanks and are respectively positioned in the internal electrolysis reaction tank (8) and the photochemical and air floatation reaction tank (4); a rotation cage (7) is arranged in the internal electrolysis reaction tank (8), and a mixture which is composed of iron discharge bodies and active carbon is placed in the rotation cage. The present invention is water treatment equipment with simple structure, speediness and effect, is capable of solving the problems of easy agglomeration and hardness in the process of internal electrolysis, and is capable of overcoming the disadvantages of short service life of light sources and high supporting cost in a photooxidation method. Simultaneously, the present invention can improve energy utilization, can improve treating effect and can reduce running cost.
Description
Technical field
The present invention relates to the Industrial Wastewater Treatment apparatus field, particularly relate to a kind of microwave plasma fortified internal electrolysis photocatelysis oxidation integrated water treating equipment.
Background technology
Internal electrolysis be since the beginning of the seventies along with iron in wastewater treatment application and the method for wastewater treatment that grows up gradually, it is based on the principle of electrochemical redox reaction, by iron filings or iron filings or gac waste water is handled in comprehensive actions such as the electric attached collection of flco, coagulation, absorption, filtration, have simple in equipment, easily make, easy to operate, processing cost is low, applied widely, easily and other method unite use, and characteristics such as the energy treatment of wastes with processes of wastes against one another, become the focus of current wastewater treatment research, have development prospect.Be widely used in trade effluents such as handling printing and dyeing, pharmacy, petrochemical industry, oil-containing, plating in recent years.But also exist many problems in actual applications: filler is changed difficulty; The flocculation bed stops up easily; Iron filings easily lump; Sludge quantity is big, and sludge treatment also is a problem.
Summary of the invention
Technical problem to be solved by this invention is: a kind of water treating equipment that microwave plasma fortified internal electrolysis and microwave electrodeless ultraviolet light catalysis oxidation are organically combined are provided, this equipment not only can solve the existing problem of single employing internal electrolysis in the prior art, and the efficient of water treatment is improved greatly, realize the resource utilization of waste water.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
Microwave plasma fortified internal electrolysis photocatelysis oxidation integrated water treating equipment provided by the invention are provided with microwave source and reactive tank.Reactive tank is made up of photochemical and air supporting reactive tank that is communicated with up and down and interior electrolytic reaction groove, is provided with dividing plate between them, and two reactive tanks are by the pipe connection pump; Connection place on two reactive tank tops is provided with the catalyzer of twinkler and below thereof, and they lay respectively in interior electrolytic reaction groove, the photochemical and air supporting reactive tank; Be provided with rotating cage in interior electrolytic reaction groove, throwing in this rotating cage has mixture, and mixture is formed by adding the waste iron filing or the aluminium scrap bits material that are left man-hour in gac and the mechanical workout factory.
Principle of work of the present invention is: waste water electrolysis in iron carbon, and microwave action produces plasma body in iron charcoal body, strengthens the organic pollutant of ferric oxide charcoal absorption; The microwave action of reflection produces ozone and UV-light in the electrodeless ultraviolet light twinkler, under the effect of catalyzer, photocatalysis oxidation reaction takes place, and produces the Fe that ozone and UV-light and iron filings oxidation form simultaneously
2+, Fe
3+, carry out light and help the Fenton oxidation.Reach the purpose of wastewater treatment.
Therefore the present invention, compared with prior art, has following obvious improvement owing to adopted the technology that integrates microwave plasma fortified internal electrolysis and microwave electrodeless ultraviolet light catalysis oxidation:
One. the microwave plasma fortified internal electrolysis of employing is that microwave technology is combined with interior electrolysis tech, that is: the iron filings after the interior electrolytic reaction or iron carbon mixture being put into microwave field strengthens, under microwave field, when gac absorbs rapid rising of micro-wave energy temperature in microwave field, iron filings also absorb micro-wave energy, and accumulation of energy arrives to a certain degree, and temperature reach a certain height, reach " point of ignition " of gas, the phenomenon of metal sparking and geseous discharge will occur.The arc discharge of being scattered that occurs in the discharge process is referred to as to form in the microwave field under the normal pressure the thin relatively plasma body of a kind of density, and it helps the further desorb of organism in gac and iron filings surface and the hole, degraded, distillation, charing; Violent " sparking " of iron filings also excites when producing plasma body and produces Fe
3+, Fe
2+And strong oxidizer O
3, OH isoreactivity material, and the electric arc (UV-light) that produces etc. all have high reaction activity and high, the modification that gac is recovered again activity and iron filings surface has promoter action.The problem of luming easily in the electrolytic process in can solving simultaneously, and electrolytic treatment effect in having strengthened.
They are two years old. and photocatalysis oxidation technique has characteristics such as reaction is thorough, non-secondary pollution, will become the direction of following water technology development, also is that people study very popular topic.Mainly concentrate on H about this Study on Technology both at home and abroad
2O
2/ Fe
2+/ UV, TiO
2Aspects such as/UV, but present photocatalysis oxidation technique both domestic and external mainly is a high voltage mercury lamp owing to what utilize, it is bigger to consume energy, and the life-span of high voltage mercury lamp is limited, thereby cost is higher relatively, and the electrodeless ultraviolet light catalysis oxidation that utilizes us to develop is electrodeless owing to electrodeless ultraviolet lamp, thereby the life-span is long, and the ultraviolet wavelength that produces is mainly at 254nm, and energy is strong than high voltage mercury lamp also, and photochemical catalytic oxidation efficient is higher.
They are three years old. and microwave plasma fortified internal electrolysis and microwave electrodeless ultraviolet light catalysis oxidation are combined, the efficient of water treatment is improved greatly, realize the resource utilization of waste water.
In a word, the present invention a kind ofly has simple in structure and water treating equipment fast and effectively.The problem of luming easily, hardening in the electrolytic process in solving, and the photooxidation method light source life is short, the shortcoming that standing charges are high; Simultaneously can improve energy utilization rate, improve treatment effect, reduce working cost.
Description of drawings
Accompanying drawing is the structural profile synoptic diagram of water treating equipment of the present invention.
Embodiment
Equipment provided by the invention is a kind of equipment that is used for microwave plasma fortified internal electrolysis photocatelysis oxidation integrated water treatment method.
Below in conjunction with embodiment and accompanying drawing equipment provided by the invention is described further.
As shown in the figure: this equipment is provided with microwave source 1 and reactive tank.Wherein: reactive tank is made up of photochemical and air supporting reactive tank 4 that is communicated with up and down and interior electrolytic reaction groove 8, is provided with dividing plate 6 between them.Connection place on two reactive tank tops is provided with the catalyzer 3 of twinkler 2 and below thereof, and they lay respectively in interior electrolytic reaction groove 8, the photochemical and air supporting reactive tank 4.Be provided with rotating cage 7 in interior electrolytic reaction groove 8, throwing in this rotating cage has mixture, and mixture is made up of irony discharge body and gac.
The structure of above-mentioned rotating cage 7 is: porous, evenly be divided into 12 lattice, and inside is filled with mixture.Mixture is granular, is made up of irony discharge body and gac, and the particle diameter of irony discharge body is 0.9～2mm, and the particle diameter of gac is Φ 3～5 * 5mm.
Above-mentioned catalyzer 3 is made by titanium dioxide and metal iron oxide, and its weight proportion is 20: 1.Metal iron oxide can adopt a kind of in Z 250, the ferric oxide etc. or its mixture.
Above-mentioned twinkler 2 can adopt the electrodeless ultraviolet light source, and it is the patented product that can send 195～365nm wavelength UV-light (patent No. 02279148.5) of Wuhan University Of Science and Engineering's Institute of Environmental Science production, this long product lifecycle.
Above-mentioned irony discharge body adopts mainly be add in the mechanical workout factory man-hour remaining waste iron filing with certain particle diameter and material such as aluminium scrap bits (be generally 0.9～2mm), easy discharge generation plasma body under microwave action, and the organism in the waste water is carried out oxidation, the degraded of non-selectivity.
Electrolytic reaction groove 8 and photochemical and air supporting reactive tank 4 are by pipe connection pump 5 in above-mentioned.The effect of pump 5 is: air and other oxygenant are joined in the interior electrolytic reaction groove 8 by modes such as jets, to improve the efficient of microwave reinforced interior electrolysis treatment waste water.Photochemical and structure air supporting reactive tank 4 is: in a reactive tank, by a dividing plate it is divided into two grooves that the bottom is communicated with, they are respectively photochmeical reaction groove, air supporting reactive tank.
Brief description is the working process of this equipment once.
The current of trade effluent are electrolytic reaction groove 8 and photochemical and air supporting reactive tank 4 back water outlets in advancing, and its current progressive process is the process of constantly being carried out microwave plasma fortified internal electrolysis photocatelysis oxidation integrated water treatment by this equipment.Arrow among the figure represents that the current of trade effluent are by way of route.
Concrete working process is as follows:
In rotating cage 7, throw in the mixture that irony discharge body and gac are formed.After the start, rotating cage 7 rotates; Organic pollutant in trade effluent is constantly by charcoal absorption, the organic pollutant that is adsorbed oxidation under the interior electrolytic action that mixture produces, and this is degraded for the first time; Simultaneously, microwave source 1 sends microwave (2.45GHz, 0.5～5.0Kw are adjustable continuously) and excites the irony discharge body to produce plasma body, and the organic pollutant in the current that are subjected to degraded for the first time of flowing through is herein degraded once more, this is degraded for the second time, and quick regenerated carbon; Then, under the synergy of the electrodeless ultraviolet light that catalyzer 3 and microwave-excitation twinkler 2 send, organic pollutant in the current in flow through photochemical and the air supporting reactive tank 4 that are subjected to degraded is for the second time carried out photocatalysis oxidation reaction once more, and this is to degrade for the third time; Organic pollutant after the degraded is drained after air supporting is handled for the third time; Trade effluent after the purification is through photochemical and air supporting reactive tank 4 water outlets.
Repeat said process, all obtain handling, can shut down until the trade effluent that will need to handle.
The trade effluent of the various concentration of factory's dischargings such as this equipment is suitable for printing and dyeing, dyestuff and papermaking.
Claims (8)
1. water treating equipment, it is characterized in that water treating equipment are a kind of microwave plasma fortified internal electrolysis photocatelysis oxidation integrated water treating equipment, this equipment is provided with microwave source (1) and reactive tank, wherein: reactive tank is made up of photochemical and air supporting reactive tank (4) that is communicated with up and down and interior electrolytic reaction groove (8), be provided with dividing plate (6) between them, two reactive tanks are by pipe connection pump (5); Connection place on two reactive tank tops is provided with the catalyzer (3) of twinkler (2) and below thereof, and they lay respectively in interior electrolytic reaction groove (8), the photochemical and air supporting reactive tank (4); Be provided with rotating cage (7) in interior electrolytic reaction groove (8), throwing in this rotating cage has mixture, and mixture is formed by adding the waste iron filing or the aluminium scrap bits material that are left man-hour in gac and the mechanical workout factory.
2. water treating equipment according to claim 1 is characterized in that the structure of rotating cage (7) is: porous, evenly be divided into 12 lattice, and inner the filling by adding the waste iron filing or the aluminium scrap that are left man-hour in gac and the mechanical workout factory considered the particulate mixtures that material is formed to be worth doing.
3. water treating equipment according to claim 1 and 2 is characterized in that: add remaining waste iron filing or aluminium scrap bits material of man-hour in the mechanical workout factory, its particle diameter is 0.9～2mm; The particle diameter of gac is Φ 3～5 * 5mm.
4. water treating equipment according to claim 1 is characterized in that: catalyzer (3) is made by titanium dioxide and metal iron oxide, and its weight proportion is 20: 1.
5. water treating equipment according to claim 4 is characterized in that: metal iron oxide adopts a kind of in Z 250, the ferric oxide or its mixture.
6. water treating equipment according to claim 1 is characterized in that: twinkler (2) is the electrodeless ultraviolet light source, and it sends the UV-light of 195～365nm wavelength.
7. water treating equipment according to claim 1 is characterized in that photochemical and structure air supporting reactive tank (4) is: in a reactive tank, by a dividing plate it is divided into two grooves that the bottom is communicated with, they are respectively photochmeical reaction groove, air supporting reactive tank.
8. water treating equipment according to claim 1 is characterized in that: the microwave frequency that microwave source (1) produces is 2.45GHz, and microwave power is that 0.5～5Kw is adjustable continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100196713A CN100354213C (en) | 2005-10-27 | 2005-10-27 | Microwave plasma fortified internal electrolysis photocatelysis oxidation integrated water treatment equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100196713A CN100354213C (en) | 2005-10-27 | 2005-10-27 | Microwave plasma fortified internal electrolysis photocatelysis oxidation integrated water treatment equipment |
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| Publication Number | Publication Date |
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| CN1785830A CN1785830A (en) | 2006-06-14 |
| CN100354213C true CN100354213C (en) | 2007-12-12 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101254987B (en) * | 2007-04-13 | 2010-11-24 | 东莞市英硫净水服务有限公司 | Handling method for advanced purification of little-volume refractory wastewater and operation equipment |
| CN100455521C (en) * | 2007-04-23 | 2009-01-28 | 辽河石油勘探局 | Oil-field sewage treatment device by low-temperature plasma technology |
| 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 |
| CN104773883B (en) * | 2015-04-17 | 2017-03-15 | 北京师范大学 | A kind of method of persistence organic pollutant in electric floating combined purifying water with light |
| CN107487911B (en) * | 2016-06-13 | 2021-04-06 | 中国石油化工股份有限公司 | Plasticizer DINCH wastewater pretreatment method |
| CN108640406A (en) * | 2018-03-28 | 2018-10-12 | 广西金茂生物化工有限公司 | A method of utilizing microwave treatment cassava alcohol waste water |
| CN108911316A (en) * | 2018-09-03 | 2018-11-30 | 大渊环境技术（厦门）有限公司 | A kind of plasma nitrogen rejection facility and its application method |
| CN108975448B (en) * | 2018-10-11 | 2023-10-13 | 北京石油化工学院 | Magnetron built-in microwave reinforced multiphase catalysis/adsorption fluidized bed sewage treatment system |
| CN110028184B (en) * | 2019-04-25 | 2021-07-06 | 广州绿邦环境技术有限公司 | Method and equipment for treating sewage by using nano microwave ion induction technology |
| CN115215467B (en) * | 2022-06-09 | 2023-10-03 | 天津正达科技有限责任公司 | Plasma catalytic oxidation treatment device and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001259620A (en) * | 2000-03-15 | 2001-09-25 | Satoshi Horikoshi | Water treating device by semiconductor photocatalyst using microwave and uv ray jointly |
| JP2002143872A (en) * | 2000-11-14 | 2002-05-21 | Valqua Techno Osaka Kk | Light and electromagnetic wave circulation cleaning device |
| CN1482072A (en) * | 2002-09-13 | 2004-03-17 | 武汉科技学院 | Water treatment method of catalyzed oxidation using microwave-nonpolar ultraviolet light |
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2005
- 2005-10-27 CN CNB2005100196713A patent/CN100354213C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001259620A (en) * | 2000-03-15 | 2001-09-25 | Satoshi Horikoshi | Water treating device by semiconductor photocatalyst using microwave and uv ray jointly |
| JP2002143872A (en) * | 2000-11-14 | 2002-05-21 | Valqua Techno Osaka Kk | Light and electromagnetic wave circulation cleaning device |
| CN1482072A (en) * | 2002-09-13 | 2004-03-17 | 武汉科技学院 | Water treatment method of catalyzed oxidation using microwave-nonpolar ultraviolet light |
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