CN105621796A - Reverse osmosis electrolytic water treatment device and method for carrying out wastewater treatment by using same - Google Patents
Reverse osmosis electrolytic water treatment device and method for carrying out wastewater treatment by using same Download PDFInfo
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- CN105621796A CN105621796A CN201610006626.2A CN201610006626A CN105621796A CN 105621796 A CN105621796 A CN 105621796A CN 201610006626 A CN201610006626 A CN 201610006626A CN 105621796 A CN105621796 A CN 105621796A
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- electrolysis reactor
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- reverse osmosis
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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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
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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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
Abstract
The invention provides a reverse osmosis electrolytic water treatment device and a method for carrying out wastewater treatment by using the same. According to the device and the method provided by the invention, the recyclability of wastewater is improved to a great extent, and the treatment effect is ideal. The reverse osmosis electrolytic water treatment device comprises an electrolysis reactor, a settling tank, a reverse osmosis membrane assembly, a degasser, a biotreatment tank and a water storage tank which are connected in sequence through a pipeline; the bottom of the electrolysis reactor is provided with a liquid inlet and a gas inlet; the top of the electrolysis reactor is provided with a liquid outlet; the liquid inlet of the electrolysis reactor is connected with an acid adding device; the settling tank is communicated with an alkaline adding device.
Description
Technical field
The present invention relates to a kind of reverse osmosis electrolytic water treatment device and utilize its method carrying out wastewater treatment, belonging to field of waste water treatment.
Background technology
Development along with China's process of industrialization, a large amount of industrial pollutants have been discharged in natural environment, increasingly severe pollution is brought to natural water, this pollution not only can increase the cost that water resource is used by the mankind, but also entail dangers to is to the health of people, the shortage of water resources thereby resulted in has become the key factor of restriction China's economy and social development. Advanced sewage reuse techuique is adopted to be used by sewage disposal Posterior circle, both substantial amounts of water resource can have been saved, also the discharge capacity of sewage can be greatly reduced, therefore, reusing sewage new technique receives much concern and achieved with rapid progress under years of researches, and especially filtration-reverse osmosis technique is widely used in the reusing sewage field of petrochemical system as a kind of efficient desalting technology. This technique using petrifaction sewage Treatment stations through the water outlet of the above biochemical treatment of two-stage as reuse water source, produce Water circulation, dense water needs discharge after process up to standard. Along with increasingly sharpening of water pollution degree, more and more enterprises adopting filtration-reverse osmosis sewage recycling process are faced with reverse osmosis concentrated water can not the problem of qualified discharge.
In order to make reverse osmosis water reach the externally discharged waste water COD standard less than 50mg/L, it is badly in need of a kind of new process device and method, meets discharge standard.
Summary of the invention
It is an object of the present invention to provide a kind of reverse osmosis electrolytic water treatment device and utilize its method carrying out wastewater treatment, the useless water reuse of the raising of high degree and ideal treatment effect.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of reverse osmosis electrolytic water treatment device, including passing sequentially through electrolysis reactor, sedimentation tank, reverse osmosis membrane assembly, degasser, biological treatment tank and the water tank that pipeline connects, liquid-inlet and gas feed it is provided with bottom electrolysis reactor, electrolysis reactor top is provided with liquid outlet, the liquid-inlet of electrolysis reactor connects means for feeding acid, sedimentation tank connection adder-subtractor.
Described reverse osmosis electrolytic water treatment device preferred version, is provided with the aerator connected with gas feed inside electrolysis reactor.
Described reverse osmosis electrolytic water treatment device preferred version, equipped with filler in electrolysis reactor, filler is made up of the raw material of following weight portion: iron powder 40 parts, graphite powder 20 parts, NACF 10, copper powder 5, aluminium powder 3 parts, silica flour 2 parts, 5 parts of aluminum sulfate, polypropylene 3 parts, particle diameter is the closed pore hollow glass micropearl 3 parts of 5��10um, 6 parts of phenolic resin, filler preparation method is as follows: weigh the above-mentioned raw materials except phenolic aldehyde moulds ester by weight, stir 30 minutes, after adding phenolic resin, suppress after stirring mixing, naturally 48 hours are dried, then 600-650 DEG C regulates lower sintering 5 hours, Temperature fall 24 hours.
A kind of method utilizing reverse osmosis electrolytic water treatment device described in claim 1 or 2 to carry out wastewater treatment, it is 4-6 that waste water enters electrolysis reactor by means for feeding acid acid adding adjustment waste water pH value, the waste water reflected through electrolysis reactor enters sedimentation tank, adding Calx adjusting water outlet PH by adder-subtractor is 8-9, sedimentation tank water out enters reverse osmosis membrane assembly, after carbon dioxide deviate from by the water entrance degasser of reverse-osmosis treated, enter biological treatment tank process entrance water tank and store to obtain clean water, when in electrolysis reactor, filling adding amount is waste water 3 times of flow, waste water is 3.5 hours in the electrolysis reactor time of staying, waste water is 4 hours in the sedimentation tank time of staying.
Beneficial effects of the present invention:
Electrolysis reactor enters sedimentation tank after can processing the Organic substance of difficult for biological degradation, cell reaction and alkaline chemical precipitation effect very well and further increases water quality through biological treatment tank; Utilize acid adding, electrolysis, add alkali, precipitation, decarburization and biological treatment carry out water process.
Accompanying drawing explanation
Fig. 1 present configuration schematic diagram.
Detailed description of the invention
In conjunction with the accompanying drawing in the embodiment of the present invention, the present invention being done and describes clearly and completely further, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.
A kind of reverse osmosis electrolytic water treatment device, including passing sequentially through electrolysis reactor 1, sedimentation tank 3, reverse osmosis membrane assembly 5, degasser 6, biological treatment tank 7 and the water tank 10 that pipeline connects, liquid-inlet and gas feed it is provided with bottom electrolysis reactor 1, electrolysis reactor 1 top is provided with liquid outlet, the liquid-inlet of electrolysis reactor 1 connects means for feeding acid 8, and sedimentation tank 3 connects adder-subtractor 4.
Electrolysis reactor 1 is internal is provided with the aerator 11 connected with gas feed.
Equipped with filler in electrolysis reactor 1, filler is made up of the raw material of following weight portion: iron powder 40 parts, graphite powder 20 parts, NACF 10, copper powder 5, aluminium powder 3 parts, silica flour 2 parts, 5 parts of aluminum sulfate, polypropylene 3 parts, particle diameter is the closed pore hollow glass micropearl 3 parts of 5��10um, 6 parts of phenolic resin, filler preparation method is as follows: weigh the above-mentioned raw materials except phenolic aldehyde moulds ester by weight, stir 30 minutes, after adding phenolic resin, suppress after stirring mixing, naturally 48 hours are dried, then 600-650 DEG C regulates lower sintering 5 hours, Temperature fall 24 hours.
A kind of method utilizing reverse osmosis electrolytic water treatment device to carry out wastewater treatment, it is characterized in that: it is 4-6 that waste water enters electrolysis reactor 1 by means for feeding acid 8 acid adding adjustment waste water pH value, the waste water reflected through electrolysis reactor 1 enters sedimentation tank 3, adding Calx adjusting water outlet PH by adder-subtractor 4 is 8-9, sedimentation tank 3 water out enters reverse osmosis membrane assembly 5, after carbon dioxide deviate from by the water entrance degasser 6 of reverse-osmosis treated, enter biological treatment tank 7 process entrance water tank 10 and store to obtain clean water, when in electrolysis reactor 1, filling adding amount is waste water 3 times of flow, waste water is 3.5 hours in electrolysis reactor 1 time of staying, aeration intensity is 650-700L/h, waste water is 4 hours in the sedimentation tank time of staying.
Utilizing the inventive method to carry out organic silicon wastewater process, inlet flow-patterm is 2.8-3.2, COD is 1000mg/L, after process, water outlet pH is 5-5.5, COD < 60mg/L, and colourity is close to 0, COD clearance reaches 99.4%, and water outlet has reached national integrated wastewater discharge primary standard.
Above only describes the ultimate principle of the present invention and preferred implementation, those skilled in the art can make many changes and improvements according to foregoing description, and these changes and improvements should belong to protection scope of the present invention.
Claims (4)
1. a reverse osmosis electrolytic water treatment device, it is characterized in that: include passing sequentially through electrolysis reactor (1), sedimentation tank (3), reverse osmosis membrane assembly (5), degasser (6), biological treatment tank (7) and the water tank (10) that pipeline connects, electrolysis reactor (1) bottom is provided with liquid-inlet and gas feed, electrolysis reactor (1) top is provided with liquid outlet, the liquid-inlet of electrolysis reactor (1) connects means for feeding acid (8), sedimentation tank (3) connection adder-subtractor (4).
2. reverse osmosis electrolytic water treatment device according to claim 1, it is characterised in that: electrolysis reactor (1) is internal is provided with the aerator (11) connected with gas feed.
3. reverse osmosis electrolytic water treatment device according to claim 1 or claim 2, it is characterized in that: equipped with filler in electrolysis reactor (1), filler is made up of the raw material of following weight portion: iron powder 40 parts, graphite powder 20 parts, NACF 10, copper powder 5, aluminium powder 3 parts, silica flour 2 parts, 5 parts of aluminum sulfate, polypropylene 3 parts, particle diameter is the closed pore hollow glass micropearl 3 parts of 5��10um, 6 parts of phenolic resin, filler preparation method is as follows: weigh the above-mentioned raw materials except phenolic aldehyde moulds ester by weight, stir 30 minutes, after adding phenolic resin, suppress after stirring mixing, naturally 48 hours are dried, then 600-650 DEG C regulates lower sintering 5 hours, Temperature fall 24 hours.
4. one kind utilizes the method that reverse osmosis electrolytic water treatment device described in claim 1 or 2 carries out wastewater treatment, it is characterized in that: it is 4-6 that waste water enters electrolysis reactor (1) by means for feeding acid (8) acid adding adjustment waste water pH value, the waste water reflected through electrolysis reactor (1) enters sedimentation tank (3), adding Calx adjusting water outlet PH by adder-subtractor (4) is 8-9, sedimentation tank (3) water out enters reverse osmosis membrane assembly (5), after water entrance degasser (6) of reverse-osmosis treated deviates from carbon dioxide, enter biological treatment tank (7) process entrance water tank (10) and store to obtain clean water, when in electrolysis reactor (1), filling adding amount is waste water 3 times of flow, waste water is 3.5 hours in electrolysis reactor (1) time of staying, waste water is 4 hours in the sedimentation tank time of staying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610006626.2A CN105621796B (en) | 2016-01-07 | 2016-01-07 | Reverse osmosis electrolytic water treatment device and the method using its progress wastewater treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610006626.2A CN105621796B (en) | 2016-01-07 | 2016-01-07 | Reverse osmosis electrolytic water treatment device and the method using its progress wastewater treatment |
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| CN105621796A true CN105621796A (en) | 2016-06-01 |
| CN105621796B CN105621796B (en) | 2018-06-29 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6416668B1 (en) * | 1999-09-01 | 2002-07-09 | Riad A. Al-Samadi | Water treatment process for membranes |
| CN102260009A (en) * | 2010-05-29 | 2011-11-30 | 厦门理工学院 | Method for processing dye wastewater |
| WO2012104684A1 (en) * | 2011-02-01 | 2012-08-09 | I.D.E. Technologies Ltd. | Chemical free and energy efficient desalination system |
| CN103570166A (en) * | 2012-08-03 | 2014-02-12 | 成都市思博睿科技有限公司 | Recycled water production device based on electrolysis and osmotic membrane technology |
| CN104261620A (en) * | 2014-09-26 | 2015-01-07 | 江苏省海安石油化工厂 | Petrochemical wastewater treatment method |
| CN104761024A (en) * | 2015-04-22 | 2015-07-08 | 湖北泉盛环保科技有限公司 | Efficient heterogeneous catalytic oxidation ferric-carbon micro-electrolysis packing and preparation method thereof |
-
2016
- 2016-01-07 CN CN201610006626.2A patent/CN105621796B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6416668B1 (en) * | 1999-09-01 | 2002-07-09 | Riad A. Al-Samadi | Water treatment process for membranes |
| CN102260009A (en) * | 2010-05-29 | 2011-11-30 | 厦门理工学院 | Method for processing dye wastewater |
| WO2012104684A1 (en) * | 2011-02-01 | 2012-08-09 | I.D.E. Technologies Ltd. | Chemical free and energy efficient desalination system |
| CN103570166A (en) * | 2012-08-03 | 2014-02-12 | 成都市思博睿科技有限公司 | Recycled water production device based on electrolysis and osmotic membrane technology |
| CN104261620A (en) * | 2014-09-26 | 2015-01-07 | 江苏省海安石油化工厂 | Petrochemical wastewater treatment method |
| CN104761024A (en) * | 2015-04-22 | 2015-07-08 | 湖北泉盛环保科技有限公司 | Efficient heterogeneous catalytic oxidation ferric-carbon micro-electrolysis packing and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 段晓笛等: "反渗透-微电解集成技术处理印染废水", 《内蒙古工业大学学报》 * |
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