CN103979762B - A kind of system of rotating electrode coupling flat sheet membrane lignin-sludge - Google Patents
A kind of system of rotating electrode coupling flat sheet membrane lignin-sludge Download PDFInfo
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- CN103979762B CN103979762B CN201410257762.XA CN201410257762A CN103979762B CN 103979762 B CN103979762 B CN 103979762B CN 201410257762 A CN201410257762 A CN 201410257762A CN 103979762 B CN103979762 B CN 103979762B
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Abstract
The invention discloses the system of a kind of rotating electrode coupling flat sheet membrane lignin-sludge, comprise film lignin-sludge reactor; Aerating apparatus, is arranged on the interior bottom portion of film lignin-sludge reactor; Cathodic coating assembly, is arranged on the inside of film lignin-sludge reactor and is positioned at the top of aerating apparatus; The first anode and second anode, be all arranged on the inside of film lignin-sludge reactor and lay respectively at the both sides of cathodic coating assembly; Anode rotating control assembly, is separately positioned on the inside of the first anode and second anode, and is connected by circuit with this first anode and second anode; Circuit control device, is connected by circuit with the first anode, second anode and cathodic coating assembly respectively.The present invention alleviates the pollution of cathodic coating assembly by applying electric field in mud; Utilize anode electrochemical and electric flocculation technique, improve sludge digestion efficiency and effluent quality; Rotated by anode and prevent mud and microbe deposition, strength of electric field of remaining valid, improve dewatering performance of sludge.
Description
Technical field
The present invention relates to the system of a kind of rotating electrode coupling flat sheet membrane lignin-sludge, the contaminated degree of energy controlling diaphragm, and improve effluent quality, belong to field of sludge treatment, be applicable to membrane separation sludge technology.
Background technology
Membrane separation technique applies to sludge handling process, the film of small-bore is mainly utilized to retain mud and macromolecular substance, and membrane-permeable water and small-molecule substance are under pressure-driven, isolate sludge solutions, utilize the aerobic environment that in reactor, aeration improves to carry out aerobic sigestion to mud simultaneously, thus reach the object to mud concentrating and digesting.
Compared with Conventional gravity concentration technology, it is little that membrane separation sludge technology has floor space, and concentrated effect is stablized, and does not produce anaerobic phosphorus release phenomenon, the advantages such as effluent quality is good.But the sludge handling process that this technology is more general, the sludge concentration in sewage is higher, simultaneously in mud mixed liquid colloid and fouling membrane material also more, therefore also just more serious to the pollution of film.And serious fouling membrane can cause the film cycle of operation shorter, cleaning frequency increases, thus causes the further increase of running cost, the further utilization of serious restriction membrane separation sludge technology.
Chinese patent CN 201210174719.8 proposes a kind of electric field that increases to be made hollow-fibre membrane surface charging carry out controlling diaphragm pollution and improves the method for effluent quality, it is the principle utilizing like charges mutually exclusive, stop mud flco and fouling membrane material to be deposited on film surface, thus reach the object of controlling diaphragm pollution.
There is research both at home and abroad, in membrane bioreactor operational process, by increasing the mode of electric field, make membrane module electronegative, utilize main membrane pollution substance (protein, colloid etc.) electronegative feature, slow down and pollute with controlling diaphragm, and utilize electrode electroflocculation effect to improve effluent quality.Separately studies have found that, when increasing strength of electric field, sludge quality can change, and by regulating strength of electric field and action time, can improve dewatering performance of sludge; Find, sludge concentration is different simultaneously, and the strength of electric field improving dewatering performance of sludge needs is also different with action time.Research also finds, utilizes electrode electro Chemical effect can improve the digestic property of mud.According to above research, combine as extra electric field controlling diaphragm is polluted technology concentrating, assimilating sludge technology synchronous with membrane sepn, by controlling run parameter, membrane separation technique lignin-sludge can be realized, sludge digestion efficiency and effluent quality can be improved simultaneously, thus reduce process energy consumption further.
But, due to the singularity of membrane separation technique lignin-sludge, (sludge concentration is greater than 40 g/L, sludge concentration about 10 g/L far above general membrane bioreactor), find at experiment operational process, electrode surface can adhere to a large amount of mud flco, adds electrode resistance, and along with the time increase run, the mud of electrodes increases gradually, thus electrode resistance also increases gradually.The increase of electrode resistance can weaken strength of electric field, affects the effect of extra electric field controlling diaphragm pollution technology.
Summary of the invention
The object of this invention is to provide the system of a kind of rotating electrode coupling flat sheet membrane lignin-sludge, alleviating the pollution of cathode membrane assembly by applying electric field in mud; Utilize anode electrochemical and electric flocculation technique simultaneously, improve sludge digestion efficiency and effluent quality; And rotated by anode and prevent mud and microbe deposition, the strength of electric field of remaining valid, finally improves dewatering performance of sludge.
For achieving the above object, technical scheme of the present invention is to provide the system of a kind of rotating electrode coupling flat sheet membrane lignin-sludge, comprises: film lignin-sludge reactor; Aerating apparatus, it is arranged on the interior bottom portion of described film lignin-sludge reactor; Cathodic coating assembly, it is arranged on the inside of described film lignin-sludge reactor and is positioned at the top of described aerating apparatus; The first anode and second anode, it is all arranged on the inside of described film lignin-sludge reactor and lays respectively at the both sides of described cathodic coating assembly; Anode rotating control assembly, it is separately positioned on the described first anode and the inside of second anode, and is connected by circuit with this first anode and second anode; Circuit control device, it is connected by circuit with the described first anode, second anode and cathodic coating assembly respectively.
The system of rotating electrode coupling flat sheet membrane lignin-sludge provided by the present invention, also comprise into dredge pump, it is connected by the side bottom of pipeline with described film lignin-sludge reactor, for being sent into by mud in this film lignin-sludge reactor.
The system of rotating electrode coupling flat sheet membrane lignin-sludge provided by the present invention, also comprise water pump, it is connected by the top of pipeline with described cathodic coating assembly, for the small-molecule substance after being separated with mud and water being pumped out from described film lignin-sludge reactor.
The system of rotating electrode coupling flat sheet membrane lignin-sludge provided by the present invention, also comprise tensimeter, it is arranged on out on the pipeline between water pump and cathodic coating assembly, for reading the transmembrane pressure change of cathodic coating assembly.
Described cathodic coating assembly comprises: porous support plate, and it is arranged on the center of described cathodic coating assembly; Two conduction carbon cloths, superposition is arranged on the both sides of described porous support plate respectively; Two micro-filtration/ultra-filtration membranes, superposition is arranged on the outside of each described conduction carbon cloth respectively; Two fixed frames, are separately positioned on the outside of each described micro-filtration/ultra-filtration membrane and mutually fasten, being coated and fixed by described cathodic coating assembly.
Described micro-filtration/ultra-filtration membrane is made up of the material with conduction high polymer.
The described first anode is made up of metallic aluminium or metallic iron, under electric field action, forms various hydroxo complex, multinuclear hydroxo complex and oxyhydroxide; In electrochemical reaction, produce the positive metal ions of aluminium or iron.
The surface-coated of described second anode has Ti/MnO
2or TiO
2material, in electrochemical electrolysis reaction, produces the hydroxyl radical free radical with strong oxidizing property.
Each described anode rotating control assembly comprises: microcomputer controller, the adjustable frequency motor be connected by circuit with this microcomputer controller, and each adjustable frequency motor is connected by circuit with the described first anode and second anode respectively; Each described adjustable frequency motor drives the first anode and second anode to rotate by rotating respectively, and controls speed of rotation by microcomputer controller.
The described first anode and the speed of rotation of second anode are 50 ~ 300r/min.
Described circuit control device comprises: micro computer rly., the power supply be connected by circuit with this micro computer rly.; The negative pole of described power supply is connected with described cathodic coating assembly, and the positive pole of described power supply is connected with the described first anode and second anode respectively; Disconnection or the making time of power supply are set by micro computer rly..
Described power supply is direct supply or pulse ac power supply, and voltage range is between 3 ~ 30V.
The system of rotating electrode coupling flat sheet membrane lignin-sludge provided by the present invention, alleviating the pollution of cathode membrane assembly, extending its stable operation cycle by applying electric field in mud; Utilize anode electrochemical and electric flocculation technique simultaneously, improve sludge digestion efficiency and effluent quality; And rotated by anode and prevent sludgd deposition, eventually through effluent reuse and improve the cost that digestive efficiency reduces sludge treatment.
Accompanying drawing explanation
Fig. 1 is the structural representation of rotating electrode provided by the invention coupling flat sheet membrane lignin-sludge system;
Fig. 2 is the structural representation of the cathodic coating assembly in the present invention.
Embodiment
Below in conjunction with Fig. 1, describe a preferred embodiment of the present invention in detail.
As shown in Figure 1, be the system of rotating electrode coupling flat sheet membrane lignin-sludge provided by the present invention, it comprises film lignin-sludge reactor 2; Aerating apparatus 6, it is arranged on the interior bottom portion of described film lignin-sludge reactor 2; Cathodic coating assembly 5, it is arranged on the inside of described film lignin-sludge reactor 2 and is positioned at the top of described aerating apparatus 6; The first anode 4 and second anode 9, it is all arranged on the inside of described film lignin-sludge reactor 2 and lays respectively at the both sides of described cathodic coating assembly 5; Anode rotating control assembly, it is separately positioned on the described first anode 4 and the inside of second anode 9, and is connected by circuit with this first anode 4 and second anode 9; Circuit control device, it is connected by circuit with the described first anode 4, second anode 9 and cathodic coating assembly 5 respectively.
The system of rotating electrode coupling flat sheet membrane lignin-sludge provided by the present invention, also comprise into dredge pump 1, it is connected by the side bottom of pipeline with described film lignin-sludge reactor 2, for being sent into by mud in this film lignin-sludge reactor 2.
The system of rotating electrode coupling flat sheet membrane lignin-sludge provided by the present invention, also comprise water pump 7, it is connected by the top of pipeline with described cathodic coating assembly 5, for the small-molecule substance after being separated with mud and water being pumped out from described film lignin-sludge reactor 2.
The system of rotating electrode coupling flat sheet membrane lignin-sludge provided by the present invention, also comprise tensimeter 8, it is arranged on out on the pipeline between water pump 7 and cathodic coating assembly 5, for reading the transmembrane pressure change of cathodic coating assembly 5, can in whole film lignin-sludge process, the process operation situation of simple record whole system directly perceived.
As shown in Figure 2, described cathodic coating assembly 5 comprises: porous support plate 51, and it is arranged on the center of described cathodic coating assembly 5; Two conduction carbon cloths 52, superposition is arranged on the both sides of described porous support plate 51 respectively; Two micro-filtration/ultra-filtration membranes 53, superposition is arranged on the outside of each described conduction carbon cloth 52 respectively; Two fixed frames 54, are separately positioned on the outside of each described micro-filtration/ultra-filtration membrane 53 and mutually fasten, being coated and fixed by described cathodic coating assembly 5.
Described micro-filtration/ultra-filtration membrane 53 is made up of the material with conduction high polymer, makes described micro-filtration/ultra-filtration membrane 53 modification have conducting function.
The described first anode 4 is made up of metallic aluminium or metallic iron, under electric field action, forms various hydroxo complex, multinuclear hydroxo complex and oxyhydroxide; In electrochemical reaction, produce the positive metal ions of aluminium or iron.
The surface-coated of described second anode 9 has Ti/MnO
2(Ti supported manganese dioxide) or TiO
2(titanium dioxide) material, in electrochemical electrolysis reaction, produces the hydroxyl radical free radical with strong oxidizing property.
Each described anode rotating control assembly comprises: microcomputer controller, the adjustable frequency motor be connected by circuit with this microcomputer controller, and each adjustable frequency motor is connected by circuit with the described first anode 4 and second anode 9 respectively; Each described adjustable frequency motor drives the first anode 4 and second anode 9 to rotate by rotating respectively, and controls speed of rotation by microcomputer controller.
The described first anode 4 and the speed of rotation of second anode 9 be 50 ~ 300r/min(circle/minute).
Described circuit control device comprises: micro computer rly., the power supply 3 be connected by circuit with this micro computer rly.; The negative pole of described power supply 3 is connected with described cathodic coating assembly 5, and the positive pole of described power supply 3 is connected with the described first anode 4 and second anode 9 respectively; Arranged disconnection or the making time of power supply 3 by micro computer rly., the operational mode controlling electric field is normal on-mode or opening and closing binding pattern.
Described power supply 3 is direct supply or pulse ac power supply, and voltage range is between 3 ~ 30V.
The system of rotating electrode coupling flat sheet membrane lignin-sludge provided by the present invention, concrete technology flow process as detailed below.Mud passes through to be admitted in film lignin-sludge reactor 2 into dredge pump 1, and arrives preassigned liquid level.Aerating apparatus 6 is arranged on the bottom of film lignin-sludge reactor 2, and it makes mud mix by continuous aeration.When being arranged on the cathodic coating assembly 5 of film lignin-sludge reactor 2 inside, the first anode 4 and second anode 9 and being all immersed in mud, cathodic coating assembly 5 starts water outlet, micro-filtration/the ultra-filtration membrane 53 of small-bore is utilized to retain mud and macromole Large stone material, carry out concentrating and digesting to mud, and the water of micro-filtration/ultra-filtration membrane 53 and small-molecule substance can be penetrated under pressure-driven, be separated from sludge solutions, and pass through water pump 6 and be sucked membrane lignin-sludge reactor 2 and prepare to carry out reuse again.
In the process of whole film lignin-sludge, be connected to the negative pole end of the power supply 3 of circuit control device due to cathodic coating assembly 5, the first anode 4 and second anode 9 are then connected to the positive terminal of the power supply 3 of circuit control device.By disconnection or the making time of micro computer rly. Lookup protocol power supply 3, thus control suitable strength and the Best Times of electric field action, reduce energy consumption.When micro computer power source for relay control 3 closes, cathodic coating assembly 5 is electronegative, it produces electric field respectively and between the first anode 4 and second anode 9, by electrophoresis and electrostatic repulsion, same electronegative mud flco and fouling membrane material just can be stoped to be deposited on the surface of cathodic coating assembly 5.
Compared with prior art, cathodic coating assembly 5 increase provided by the present invention is provided with conduction carbon cloth 52, it is arranged between porous support plate 51 and micro-filtration/ultra-filtration membrane 53, the conduction carbon cloth 52 that this increase is arranged can strengthen the electric field of cathodic coating assembly 5, makes the repulsive interaction of cathodic coating assembly 5 to electronegative mud flco and fouling membrane material stronger.
In the process of cathodic coating assembly 5 lignin-sludge, adjustable frequency motor in each anode rotating control assembly drives the first anode 4 and second anode 9 to rotate by rotating respectively, thus prevent from occurring mud and microbe deposition anode under comparatively high sludge concentration, plate resistance is increased, and the phenomenon that effective electric-field intensity is lowered occurs; And control corresponding speed of rotation by microcomputer controller, optimal control strength of electric field also reduces energy consumption.
Further, due to aerating apparatus 6 constantly aeration, it can wash away the surface of the cathodic coating assembly 5 of side disposed thereon, prevents sludgd deposition on its surface, keeps face to clean, reduce and decelerating membrane pollution speed, extend the cleaning interval of cathodic coating assembly 5; And this aerating apparatus 6 can improve and keep the dissolved oxygen content in mud, promote that mud carries out aerobic sigestion.
Further, in the process of whole film lignin-sludge, also utilize two anodes to adopt different electrode materialss, under electric field action, electrochemistry and electric flocculation reaction occur, improves sludge digestion efficiency and final effluent quality.Wherein, the first anode 4 is made up of metallic aluminium or metallic iron, it is under electric field action, various hydroxo complex, multinuclear hydroxo complex and oxyhydroxide can be formed, the macromolecule contaminant in mud, colloid and small-particle flco is enable to flocculate into large particulate matter, can be retained by cathodic coating assembly 5, thus improve effluent quality; In addition, this first anode 4, in electrochemical reaction, can produce the positive metal ions of aluminium or iron, and the colloid in mud, organic pollutant can be flocculated into large particulate matter by equally, can be retained, thus improve effluent quality further by cathodic coating assembly 5.Second anode 9 then surface-coated has Ti/MnO
2or TiO
2material, in electrochemical electrolysis reaction, can produce the hydroxyl radical free radical with strong oxidizing property, it can impel mud flco to crack, and has the effect of sterilizing and degradable organic pollutant, improves sludge digestion efficiency.
Embodiment 1
The system of rotating electrode coupling flat sheet membrane lignin-sludge provided by the present invention, compared with normal film lignin-sludge system, 3 ~ 4g/L is when entering mud concentration, gas-water ratio is 60:1, hydraulic detention time is 24 hours, in a sludge discharging period 15d, run water outlet continuously, membrane flux is 17L/ (m
2h).But the mud VSS of present system adds up digestibility higher than conventional system 10%, and the film pressure climbing speed of present system, water outlet COD(chemical oxygen demand (COD)) respectively lower than conventional system about 20% and 15%.
Embodiment 2
The system of rotating electrode coupling flat sheet membrane lignin-sludge provided by the present invention, compared with normal film lignin-sludge system, 3 ~ 4g/L is when entering mud concentration, gas-water ratio is 40:1, hydraulic detention time is 8 hours, in a sludge discharging period 30d, run water outlet continuously, mud extraction concentration is all at about 35 g/L, and membrane flux is 15L/ (m
2h).But the film pressure climbing speed of present system, water outlet COD are respectively lower than conventional system about 23% and 10%.
The system of rotating electrode coupling flat sheet membrane lignin-sludge provided by the present invention, has following beneficial effect:
1) cathodic coating assembly is electronegative, can repel and stop same electronegative mud flco and fouling membrane material to be deposited on its surface, extending the cycle of cathodic coating assembly steady running, reduce the expense safeguarded and clean, improve dewatering performance of sludge.
2) by the material different to two anode selection, utilize electrochemistry and electric flocculation reaction simultaneously, improve digestive efficiency and the effluent quality of mud.
3) two anodes are provided with anode rotating control assembly, have automatic control type rotating function, can prevent mud and microbe deposition on anode, avoid plate resistance to increase, the effective electric-field intensity of holding anode.
4) can adapt to different enter mud situation and processing requirements, have floor space little, concentrated effect is stablized, and mud handling capacity increases and the lower-cost advantage of sludge treatment.
5) come compared with the technology that controlling diaphragm pollutes with traditional medicament that adds, the better effects if of relation control fouling membrane of the present invention, and non-secondary pollution, environmental protection is sustainable, has application prospect more widely.
6) level of automation of the present invention is high, convenient for installation and maintenance, stable, requires low to operator.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
1. a system for rotating electrode coupling flat sheet membrane lignin-sludge, is characterized in that, comprise:
Film lignin-sludge reactor (2);
Aerating apparatus (6), it is arranged on the interior bottom portion of described film lignin-sludge reactor (2);
Cathodic coating assembly (5), it is arranged on the inside of described film lignin-sludge reactor (2) and is positioned at the top of described aerating apparatus (6);
The first anode (4) and second anode (9), it is all arranged on the inside of described film lignin-sludge reactor (2) and lays respectively at the both sides of described cathodic coating assembly (5);
Anode rotating control assembly, it is separately positioned on the described first anode (4) and the inside of second anode (9), and is connected by circuit with this first anode (4) and second anode (9);
Circuit control device, it is connected by circuit with the described first anode (4), second anode (9) and cathodic coating assembly (5) respectively;
Wherein, described cathodic coating assembly (5) comprises:
Porous support plate (51), it is arranged on the center of described cathodic coating assembly (5);
Two conductions carbon cloth (52), superposition is arranged on the both sides of described porous support plate (51) respectively;
Two micro-filtration/ultra-filtration membranes (53), superposition is arranged on the outside of each described conduction carbon cloth (52) respectively;
Two fixed frames (54), are separately positioned on the outside of each described micro-filtration/ultra-filtration membrane (53) and mutually fasten, being coated and fixed by described cathodic coating assembly (5).
2. the system of rotating electrode coupling flat sheet membrane lignin-sludge as claimed in claim 1, it is characterized in that, also comprise into dredge pump (1), it is connected by the side bottom of pipeline with described film lignin-sludge reactor (2), for being sent into by mud in this film lignin-sludge reactor (2).
3. the system of rotating electrode coupling flat sheet membrane lignin-sludge as claimed in claim 1, it is characterized in that, also comprise water pump (7), it is connected by the top of pipeline with described cathodic coating assembly (5), for the small-molecule substance after being separated with mud and water being pumped out from described film lignin-sludge reactor (2).
4. the system of rotating electrode coupling flat sheet membrane lignin-sludge as claimed in claim 3, it is characterized in that, also comprise tensimeter (8), it is arranged on out on the pipeline between water pump (7) and cathodic coating assembly (5), for reading the transmembrane pressure change of cathodic coating assembly (5).
5. the system of rotating electrode coupling flat sheet membrane lignin-sludge as claimed in claim 1, it is characterized in that, described micro-filtration/ultra-filtration membrane (53) is made up of the material with conduction high polymer.
6. the system of rotating electrode coupling flat sheet membrane lignin-sludge as claimed in claim 1, it is characterized in that, the described first anode (4) is made up of metallic aluminium or metallic iron, under electric field action, forms various hydroxo complex, multinuclear hydroxo complex and oxyhydroxide; In electrochemical reaction, produce the positive metal ions of aluminium or iron.
7. the system of rotating electrode coupling flat sheet membrane lignin-sludge as claimed in claim 1, it is characterized in that, the surface-coated of described second anode (9) has Ti/MnO
2or TiO
2material, in electrochemical electrolysis reaction, produces the hydroxyl radical free radical with strong oxidizing property.
8. the system of rotating electrode coupling flat sheet membrane lignin-sludge as claimed in claim 1, it is characterized in that, each described anode rotating control assembly comprises: microcomputer controller, the adjustable frequency motor be connected by circuit with this microcomputer controller, each adjustable frequency motor is connected by circuit with the described first anode (4) and second anode (9) respectively;
Each described adjustable frequency motor drives the first anode (4) and second anode (9) to rotate by rotating respectively, and controls speed of rotation by microcomputer controller;
The described first anode (4) and the speed of rotation of second anode (9) are 50 ~ 300r/min.
9. the system of rotating electrode coupling flat sheet membrane lignin-sludge as claimed in claim 1, it is characterized in that, described circuit control device comprises: micro computer rly., the power supply (3) be connected by circuit with this micro computer rly.; The negative pole of described power supply (3) is connected with described cathodic coating assembly (5), and the positive pole of described power supply (3) is connected with the described first anode (4) and second anode (9) respectively; Disconnection or the making time of power supply (3) are set by micro computer rly.;
Described power supply (3) is direct supply or pulse ac power supply, and voltage range is between 3 ~ 30V.
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| CN201410257762.XA CN103979762B (en) | 2014-06-12 | 2014-06-12 | A kind of system of rotating electrode coupling flat sheet membrane lignin-sludge |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105502818A (en) * | 2015-12-11 | 2016-04-20 | 凯天环保科技股份有限公司 | Membrane component and MBR (Membrane Biological Reaction) system applying same |
| CN105712595B (en) * | 2015-12-25 | 2018-06-01 | 泸州市聚源电力设备有限公司 | A kind of system of advanced treating sludge |
| CN105668720B (en) * | 2016-03-16 | 2018-08-21 | 武汉大学 | A kind of method for treating water and device of electric flocculation and filter synchronous progress |
| CN106630271B (en) * | 2016-12-06 | 2020-08-11 | 广州富生源环保工程有限公司 | Effectively improve effluent treatment plant that membrane pollutes |
| CN108658213B (en) * | 2018-04-19 | 2021-08-03 | 浙江工商大学 | Electrochemical device and method for in-situ acceleration of low-temperature anaerobic microorganism domestication |
| CN110436618A (en) * | 2019-08-08 | 2019-11-12 | 西安建筑科技大学 | A kind of anaerobic membrane bioreactor and control membrane fouling method based on extra electric field |
| CN111333294B (en) * | 2020-03-17 | 2022-06-10 | 宁波财经学院 | Excess sludge pretreatment device |
| CN115155332B (en) * | 2022-07-07 | 2023-12-19 | 南京大学 | Method for in-situ membrane pollution resistance of low-voltage electric field coupling conductive ultrafiltration membrane |
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| CN101096279A (en) * | 2006-06-28 | 2008-01-02 | 武汉长航给排水环境节能设备成套工程公司 | Multifunctional critical multiple catalyzing electrolysis set equipment |
| CN101531432A (en) * | 2009-04-30 | 2009-09-16 | 北京新创宏力科技发展有限公司 | Movable type general-purpose small sewage treatment equipment |
| CN101817587A (en) * | 2010-04-20 | 2010-09-01 | 大连理工大学 | Rotating biological-cathode microbiological fuel cell and sewage treatment method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101096279A (en) * | 2006-06-28 | 2008-01-02 | 武汉长航给排水环境节能设备成套工程公司 | Multifunctional critical multiple catalyzing electrolysis set equipment |
| CN101531432A (en) * | 2009-04-30 | 2009-09-16 | 北京新创宏力科技发展有限公司 | Movable type general-purpose small sewage treatment equipment |
| CN101817587A (en) * | 2010-04-20 | 2010-09-01 | 大连理工大学 | Rotating biological-cathode microbiological fuel cell and sewage treatment method thereof |
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