CN105565604A - Iron plating wastewater purification system and method - Google Patents
Iron plating wastewater purification system and method Download PDFInfo
- Publication number
- CN105565604A CN105565604A CN201610026024.3A CN201610026024A CN105565604A CN 105565604 A CN105565604 A CN 105565604A CN 201610026024 A CN201610026024 A CN 201610026024A CN 105565604 A CN105565604 A CN 105565604A
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- water
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- material layer
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- resin
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses an iron plating wastewater purification system and method. A resin type particle electrode layer is located at the bottom of an aerobiotic biological filter material layer. A titanium mesh negative pole is placed in resin. A stainless steel pore plate positive pole is placed outside the resin. The positive pole and the negative pole are connected with the positive electrode and the negative electrode of a power supply respectively. The resin type particle electrode layer is connected with a gas dissolving chamber. An aeration plate and an aeration pipe are arranged in the gas dissolving chamber. An anaerobic biological filter material layer is arranged below the gas dissolving chamber. A water distribution chamber is arranged at the bottom of the anaerobic biological filter material layer. The water distribution chamber is provided with a backwashing water inlet pipe, a sewage pipe and a backflow pipe. The water purification method includes the following steps of firstly, making sewage enter the water distribution chamber to be mixed with backflow water; secondly, conducting anaerobe processing; thirdly, mixing gas with water; fourthly, conducting particle electrode processing; fifthly, conducting aerobiont processing; sixthly, discharging one part of discharged water, and making the other part of the discharged water flow back. By means of the purification system, biodegradability of wastewater is improved through resin type particles, wastewater is discharged after being processed through microorganisms, and the problem that iron plating wastewater is difficult to process is solved.
Description
Technical field
The invention belongs to technical field of waste water processing, particularly relate to a kind of the plating iron waste water water cleaning systems and the process for purifying water that can be used for wastewater treatment.
Background technology
Iron plating process has a wide range of applications in the industrial production, therefore creates a large amount of plating iron waste water.Plating iron waste water is the composite waste of metal ion and the partial organic substances produced in plating iron Industrial processes, lets alone free discharge, forms serious potential risk by natural ecological environment and human health.The plurality of heavy metal ion contained in plating iron waste water, there is strong toxicity to animals and plants, be directly discharged in environment, not only can cause to ecotope the pollution being difficult to repair, and toxic substance by the inrichment of food chain, can produce harm to the health of people gradually.
Along with the use of hardly degraded organic substance a large amount of in the increase of iron plating process complexity and iron plating process, cause the intractability of plating iron waste water also increasing, traditional sewage water treatment method is difficult to effectively process it.Add associated wastewater discharge standard to improve constantly, most of existing plating iron waste water treatment process cannot make its qualified discharge smoothly.Therefore existing plating iron waste water treatment process is upgraded and arrived the imperative stage.
The present invention is by resin type granule electrode treatment technology, improve the value of waste water BOD/COD, the pollutent of most of difficult for biological degradation is enable to be converted into easily by material that microbiological oxidation is decomposed, carried out a biological disposal upon by aerobe filter material layer afterwards, reach the object of enhancement process effect, thus improve the removal efficiency of dirty pollutant in water, reduce facility investment, floor space is little, is easy to install on the spot.
Summary of the invention
The object of the invention is to solve the existing waste water treatment process problem not good to plating iron water treatment effect, provide a kind of plating iron waste water water cleaning systems and process for purifying water.
For solving the problem, the present invention is made up of aerobe filter material layer, resin type granule electrode layer, molten air chamber, anaerobe filter material layer and distributing water room.Described resin type granule electrode layer, fills pre-treatment back loading Fe
3+strongly acidic cation-exchange, and place in resin inside the negative electrode be made up of titanium net, the anode be made up of stainless steel orifice plate is placed in resin outside, anode and negative electrode are connected with negative pole with the positive pole of additional power source respectively, strongly acidic cation-exchange, negative electrode and anode three part jointly form resin type granule electrode layer.Aerobe filter material layer is positioned at the top of resin type granule electrode layer, water after the process of resin type granule electrode layer is entered bottom aerobe filtrate by plastics orifice plate, discharged by reactor head after microbiological treatment, partially disposed water is back to distributing water room, in anaerobe filter material layer, carry out denitrification.
Described aerobe filter material layer and resin type granule electrode layer and anaerobe filter material layer are from top to bottom connected in same reactor, reactor monolith is cylinder shape, resin type granule electrode layer dress fills the resin type granule electrode that Zeo-karb is formed, height 300mm, aerobe filter material layer dress fills 3-5mm zeolite, height 700mm, and anaerobe filter material layer dress fills 3-5mm zeolite, height 300mm, resin type granule electrode layer, aerobe filter material layer are identical with anaerobe filter material layer diameter.
Described distributing water room is provided with back flushing water inlet pipe, waste pipe and return line, and backwash pump is connected with back flushing water inlet pipe.
Described molten air chamber is provided with aeration plate and aeration tube, and air compressor is connected with aeration tube, and aeration plate is arranged on aeration tube.
Adopt an a kind of plating iron waste water process for purifying water described above, comprise the steps: that the sewage in (1) elevated tank measures through volume pump, enter distributing water room; (2) sewage mixes with recirculation water in distributing water room; (3) sewage enters in anaerobe filter material layer and anti-nitration reaction occurs; (4) pass into pressurized air to aeration plate, controlling carbonated drink volume ratio is 4:1 to 2:1, empty G&W in Rong Qi distributing water room fully the empty G&W mixed in (5) molten air chamber enter resin type granule electrode layer by plastics orifice plate; (6) inside and outside resin type granule electrode layer both sides stainless steel orifice electrode crosses anode line with titanium Netcom, cathode rays is connected with negative pole with the positive pole of direct supply, for resin type granule electrode layer provides required electric field; (7) dirty water and air enters aerobe filter material layer through plastics orifice plate; (8) water section after the process of aerobe filter material layer is discharged through rising pipe, and partial reflux is to distributing water room; (9) run after for some time and back flushing is carried out to plating iron waste water water cleaning systems, first air purge 3 minutes, then washing simultaneously and air purge 5 minutes, then wash 8 minutes.
Beneficial effect of the present invention: the value improving waste water BOD/COD under the effect of resin type granule electrode, increase its biodegradability, then the pollutent in waste water is removed by biological treatment, thus improve the clearance of plating iron waste water COD, and effectively can remove the heavy metal, nitrogen phosphorus etc. in waste water.
Accompanying drawing explanation
Fig. 1 is a kind of plating iron waste water of the present invention water cleaning systems schematic diagram, is described further in conjunction with this figure.
Accompanying drawing 1 is schematic flow sheet of the present invention.
In Fig. 1: 1 direct supply; 2 anode lines; 3 cathode rays; 4 resin type granule electrode layers; 5 aerobe filter material layers; 6 back flushing water inlet pipes; 7 air compressor; 8 back flushing water inlets; 9 backwash pumps; 10 water inlet volume pumps; 11 water inlet peristaltic pumps; 12 aeration tubes; 13 distributing water room; 14 rising pipes; 15 water intaking (material) sample mouths; 16 foul water tank; 17 stainless steel orifice electrodes; 18 titanium nets; 19 aeration plates; 20 waste pipes; 21 molten air chambers; 22 anaerobe filter material layers; 23 return lines; 24 reflux pumps; 25 plastics orifice plates.
Embodiment
Embodiment one:
Accompanying drawing is a kind of specific embodiment of the present invention, the sewage that this embodiment comprises in elevated tank 16 enters Rong Qi distributing water room 13 by Sewage metering pump 10 through waste pipe 20, molten air chamber 21 is provided with aeration plate 19, aeration tube 12, aeration plate 19 is connected with air compressor 7 by aeration tube 12, composition aerating system, for resin type granule electrode and microorganism provide required oxygen, back flushing water inlet pipe 6 is connected with backwash pump 9, enter in resin type granule electrode layer 4 through plastics orifice plate 25 after sewage fully mixes with air in molten air chamber 21, there is direct supply 1 resin type granule electrode layer 4 outside, direct supply 1 is by cathode rays 3, anode line 2 is connected with the titanium net 18 of resin type granule electrode layer 4 inside with the stainless steel orifice electrode 17 of resin type granule electrode layer 4 outside respectively, electric field is produced in strongly acidic cation-exchange region, resin particle is made to form resin type granule electrode, aerobe filter material layer 5 is entered through plastics orifice plate 25 through resin type granule electrode layer 4 treated water, sewage is discharged by rising pipe 14 after aerobe filter material layer 5 processes, part of contaminated water flows into distributing water room 12 through return line 23 under the effect of reflux pump 24, denitrification is carried out in anaerobe filter material layer, vertically be equally spaced in adsorptivity biofilter material outside water intaking (material) sample mouth 15, to observe the change of aerobe filter material layer 5 different positions water quality at any time.
Sewage in elevated tank 16 is entered distributing water room 13 by Sewage metering pump 10 through waste pipe 20, distributing water room 13 is provided with waste pipe 20, back flushing water inlet pipe 6, aeration plate 19 is provided with in molten air chamber 21, aeration tube 12, aeration plate 19 is connected with air compressor 7 by aeration tube 12, composition aerating system, for resin type granule electrode and microorganism provide required oxygen, enter in resin type granule electrode layer 4 through plastics orifice plate 25 after sewage fully mixes with air in molten air chamber 21, resin type granule electrode layer filler used is through pretreated strongly acidic cation-exchange, high 0.3 meter, aerobe filter material layer 5 is entered through plastics orifice plate 25 through resin type granule electrode layer 4 treated water, aerobe filter material layer fills zeolite, high 0.7 meter, sewage is discharged by rising pipe 14 after aerobe filter material layer 5 processes, partially disposed water is back to distributing water room 13, damage by water increases to a certain degree, need to carry out back flushing to novel plating iron wastewater treatment equipment, after first stopping sewage flowing into during back flushing, air purge is carried out by air compressor 7, then open backwash pump 9 to pressurize and carry out air water to novel plating iron wastewater treatment equipment and combine flushing, close air compressor 7 afterwards, pressurize with backwash pump 9 again and novel plating iron wastewater treatment equipment washed, the water of back flushing is discharged through rising pipe 14.
(1) water inlet hydraulic load is 6m to adopt above-mentioned a kind of plating iron waste water process for purifying water to comprise the steps:
3/ m
2, measure through volume pump 10, enter distributing water room 13; (2) sewage mixes with recirculation water in distributing water room 13; (3) sewage enters in anaerobe filter material layer 22 and anti-nitration reaction occurs; (4) pass into pressurized air to aeration plate 19, the pressure of air compressor 7 is 0.7MPa, and controlling carbonated drink volume ratio is 4:1 to 2:1, and empty G&W is fully mixing in molten air chamber 21; (5) the empty G&W in molten air chamber 21 enters resin type granule electrode layer 4 by plastics orifice plate 25; (6) inside and outside resin type granule electrode layer 4, the titanium net 18 of both sides is connected with negative pole with the positive pole of direct supply 1 by cathode rays 3, anode line 2 with stainless steel orifice electrode 17, for resin type granule electrode layer 4 provides required electric field; (7) dirty water and air enters aerobe filter material layer 5 through plastics orifice plate 25; (8) water section after aerobe filter material layer 5 processes is discharged through rising pipe 14, and partial reflux is to distributing water room 13; (9) run after for some time and back flushing is carried out to plating iron waste water water cleaning systems, first air purge 3 minutes, then washing simultaneously and air purge 5 minutes, then wash 8 minutes.
Embodiment two:
The plating iron waste water water cleaning systems of this specific embodiment is identical with the plating iron waste water water cleaning systems of specific embodiment one.
This process for purifying water and specific embodiment one process for purifying water are distinguished and are: the air water volume ratio of aeration is 3:1.
Embodiment three:
The plating iron waste water water cleaning systems of this specific embodiment is identical with the plating iron waste water water cleaning systems of specific embodiment one.
This process for purifying water and specific embodiment one process for purifying water are distinguished and are: the air water volume ratio of aeration is 2:1.
Claims (6)
1. a plating iron waste water water cleaning systems and process for purifying water, device mainly comprises distributing water room (13), anaerobe filter material layer (22), molten air chamber (21), resin type granule electrode layer (4), aerobe filter material layer (5), resin type granule electrode layer (4) fills the resin cation (R.C.) type granule electrode with ion exchange, aerobe filter material layer (5) is filled to zeolite, distributing water room (13), anaerobe filter material layer (22), molten air chamber (21), resin type granule electrode layer (4), aerobe filter material layer (5) series connection is combined in a reactor from the bottom to top.
2. plating iron waste water water cleaning systems according to claim 1 and process for purifying water, it is characterized in that: resin type granule electrode layer (4) outside is connected to direct supply (1), direct supply is connected with titanium net (18), outside stainless steel orifice electrode (17) of resin type granule electrode layer (4) inner side respectively by cathode rays (3), anode line (2), the basis of external electric field realizes exchange plating iron heavy metal ions in wastewater and catalytic oxidation organism, raising wastewater biodegradability object.
3. plating iron waste water water cleaning systems according to claim 1 and process for purifying water, it is characterized in that: the zeolite surface that aerobe filter material layer (5) and anaerobe filter material layer (22) are filled has the microflora of degraded resistance to poison, thus improves electroplating wastewater processing efficiency.
4. plating iron waste water water cleaning systems according to claim 1 and process for purifying water, it is characterized in that: molten air chamber (21) is provided with aeration plate (19), aeration tube (12), distributing water room (13) is provided with back flushing water inlet pipe (6), waste pipe (20), return line (23), air compressor (7) is connected with aeration tube (12), backwash pump (9) is connected with back flushing water inlet pipe (6), thus realizes novel plating iron wastewater treatment equipment aeration and backwashing function.
5. plating iron waste water water cleaning systems according to claim 1 and process for purifying water, it is characterized in that: the resin that resin type granule electrode layer (4) uses is obtained after pretreatment by common strongly acidic cation-exchange, pretreatment process is as follows, first by common strongly acidic cation-exchange washed with de-ionized water, then with acetone cleaning three to four times, use washed with de-ionized water again, reach deimpurity object, afterwards by cleaned strongly acidic cation-exchange with resin volume: liquor capacity is that the ratio of 1:10 puts into FeCl
3soak 24 hours in solution, to reach load Fe
3+object, the finally Fe load
3+the strongly acidic cation-exchange of ion is from FeCl
3taking out in solution, is that the environment of 373K dries the pre-treatment that can complete resin with putting into temperature after washed with de-ionized water again.
6. plating iron waste water water cleaning systems according to claim 1 and process for purifying water, it is characterized in that: partially disposed water is back to distributing water room (13) by return line (23) under the effect of reflux pump (24), in anaerobe filter material layer (22), carry out denitrification for Removing Nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610026024.3A CN105565604B (en) | 2016-01-15 | 2016-01-15 | A kind of plating iron waste water water cleaning systems and process for purifying water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610026024.3A CN105565604B (en) | 2016-01-15 | 2016-01-15 | A kind of plating iron waste water water cleaning systems and process for purifying water |
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| Publication Number | Publication Date |
|---|---|
| CN105565604A true CN105565604A (en) | 2016-05-11 |
| CN105565604B CN105565604B (en) | 2018-06-29 |
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| CN201610026024.3A Expired - Fee Related CN105565604B (en) | 2016-01-15 | 2016-01-15 | A kind of plating iron waste water water cleaning systems and process for purifying water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10399877B2 (en) * | 2016-09-23 | 2019-09-03 | Lehigh University | In-situ, self-adjusting stability control of methane-producing anaerobic biological reactors through novel use of ion exchange fibers |
| CN113321289A (en) * | 2021-05-14 | 2021-08-31 | 哈尔滨工业大学 | Method for enhancing methane production efficiency of anaerobic digestion of wastewater sludge by electric field coupling Fe-C composite mediator |
Citations (5)
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|---|---|---|---|---|
| JPH01132789A (en) * | 1987-11-19 | 1989-05-25 | Japan Carlit Co Ltd:The | Resin molded electrolytic electrode and its production |
| US4882018A (en) * | 1987-03-20 | 1989-11-21 | General Motors Corporation | Electrolytic demetallization of dilute solutions using ion exchange resins |
| CN104118965A (en) * | 2014-07-03 | 2014-10-29 | 济南大学 | An anaerobic-aerobic/three-dimensional electro-catalysis coupled water purification system and water purification method |
| CN104118939A (en) * | 2014-07-03 | 2014-10-29 | 济南大学 | An anaerobic-aerobic/electro-catalysis coupled water purification system and a water purification method |
| CN204111399U (en) * | 2014-07-03 | 2015-01-21 | 济南大学 | A kind of air water anisotropic flow magnetic biofiltration reactor |
-
2016
- 2016-01-15 CN CN201610026024.3A patent/CN105565604B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4882018A (en) * | 1987-03-20 | 1989-11-21 | General Motors Corporation | Electrolytic demetallization of dilute solutions using ion exchange resins |
| JPH01132789A (en) * | 1987-11-19 | 1989-05-25 | Japan Carlit Co Ltd:The | Resin molded electrolytic electrode and its production |
| CN104118965A (en) * | 2014-07-03 | 2014-10-29 | 济南大学 | An anaerobic-aerobic/three-dimensional electro-catalysis coupled water purification system and water purification method |
| CN104118939A (en) * | 2014-07-03 | 2014-10-29 | 济南大学 | An anaerobic-aerobic/electro-catalysis coupled water purification system and a water purification method |
| CN204111399U (en) * | 2014-07-03 | 2015-01-21 | 济南大学 | A kind of air water anisotropic flow magnetic biofiltration reactor |
Non-Patent Citations (1)
| Title |
|---|
| 王丽等: ""内扩散法制备离子交换树脂复合银电极材料"", 《哈尔滨理工大学学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10399877B2 (en) * | 2016-09-23 | 2019-09-03 | Lehigh University | In-situ, self-adjusting stability control of methane-producing anaerobic biological reactors through novel use of ion exchange fibers |
| CN113321289A (en) * | 2021-05-14 | 2021-08-31 | 哈尔滨工业大学 | Method for enhancing methane production efficiency of anaerobic digestion of wastewater sludge by electric field coupling Fe-C composite mediator |
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| Publication number | Publication date |
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| CN105565604B (en) | 2018-06-29 |
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Granted publication date: 20180629 Termination date: 20210115 |