CN111606492A - Method for electric vapor phase reaction treatment of high-salinity wastewater - Google Patents
Method for electric vapor phase reaction treatment of high-salinity wastewater Download PDFInfo
- Publication number
- CN111606492A CN111606492A CN202010502148.0A CN202010502148A CN111606492A CN 111606492 A CN111606492 A CN 111606492A CN 202010502148 A CN202010502148 A CN 202010502148A CN 111606492 A CN111606492 A CN 111606492A
- Authority
- CN
- China
- Prior art keywords
- salinity wastewater
- water
- tank
- vapor phase
- phase reaction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/487—Treatment of water, waste water, or sewage with magnetic or electric fields using high frequency electromagnetic fields, e.g. pulsed electromagnetic 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The invention discloses a method for electric vapor phase reaction treatment of high-salinity wastewater. The raw water regulating tank, the tourmaline ceramsite filter tank and the high-efficiency electromagnetic reactor are combined, and the hardness of the high-salinity wastewater is reduced, so that the salt in the high-salinity wastewater can be crystallized and separated out by the high-efficiency electromagnetic reactor at the later stage, the salt in the high-salinity wastewater is removed, and the water from the high-efficiency electromagnetic reactor is recycled.
Description
Technical Field
The invention relates to a wastewater treatment technology, in particular to a method for electric vapor phase reaction treatment of high-salinity wastewater.
Background
In the social and economic development and urbanization process of China, water resource shortage is becoming one of the main factors restricting the sustainable development strategy of China. In recent years, with the continuous increase of industrial scale in China, the industrial water consumption is increased dramatically. Meanwhile, the amount of generated wastewater is rapidly increased, and great challenges are brought to the current wastewater treatment and recycling technology. If the industrial wastewater is directly discharged, the environmental pollution of the surrounding soil and water body can be serious. After the wastewater is qualified after treatment, if the wastewater is not recycled, water resource waste is caused, and water resource shortage is aggravated. For high-salinity wastewater, due to the lack of technical, economic feasibility and reliability, a method of diluting the high-salinity wastewater and then discharging the diluted high-salinity wastewater is mainly adopted at present. The method can not only reduce the total amount of pollutant emission really, but also cause fresh water waste, especially the discharge of salt-containing waste water, and the mineralization of fresh water resources and the alkalization of soil are caused. (Li Tou Yuan, high-salt wastewater formation and treatment technology progress [ J ] chemical progress 2014,33(2):493-497)
Tourmaline is a cyclic silicate mineral, has a permanent spontaneous polarization effect, and is embodied in thermoelectricity and piezoelectricity (Kubo T. interface activity of water bright mineral by tourmaline [ J ]. Solid StatePhysics, 24(12): 108-113). Because the spontaneous polarization effect of the tourmaline enables the electric field around the tourmaline to have spontaneous magnetism just like the magnetic pole of a magnet, the electrostatic field generated by the tourmaline polarization effect can promote the decomposition of water molecules to form H + and OH-ions; wherein, H + and water molecule are combined to form active molecule H3O +, and the active molecule H3O + has strong interfacial activity, so that impurities and dirt in water can be attracted, and the water quality purification effect is achieved. In addition, tourmaline has high chemical stability, and compared with substances with adsorption effect such as zeolite and montmorillonite, tourmaline has no saturability, can be used continuously and repeatedly, and avoids energy waste and secondary pollution. (electric field effect of Wuruihua, Tangyunhui, tourmaline and its application in environmental field [ J ], journal of petromineralogy, 2001, 12(4: 474-. In addition, due to the action of the electrostatic field of the tourmaline, metal ions and acid in the high-salinity wastewater can be crystallized on the surface of the tourmaline through adsorption and concentration, so that the purification treatment of Cu2+, Pb2+ and Zn2+ in the high-salinity wastewater is realized, and finally the purification of industrial wastewater is realized (beam rock, Shangping, Sunry, and the like. Based on this, patent application No. 201410067893.1 uses tourmaline for power plant desulfurization wastewater treatment.
The water treatment method based on the electromagnetic field action is a novel water treatment technology developed in recent years, has low energy consumption, low cost, easy operation and no secondary pollution in the degradation process, and is a technology with great development prospect. Under the action of high-frequency travelling wave magnetic field, positive and negative ions in water make spiral circular motion in opposite directions under the action of Lorentz force of electromagnetic field, which is equivalent to circular current in the same direction, and the action of a small circular current under the action of magnetic field can be described by its magnetic dipole moment (magnetic moment for short). The direction of the magnetic moment can also deflect periodically along with the change of the magnetic field, and simultaneously, the gravity centers of positive and negative charges vibrate periodically along with the change of the magnetic field. In addition, current-carrying coils are usually subjected to 3 forces in the case of strong, non-uniform magnetic fields, namely a rotational moment, a translational force and a strain-inducing force, which tend to increase the magnetic flux through the small circular current coil. Although the ionic thermal motion is hindered, the ionic magnetic moments are more orderly arranged along with the stronger external magnetic field; along with the movement of the wave-shaped magnetic field, the current-carrying coil moves to a stronger magnetic field under the action. Because the traveling wave magnetic field moves towards one direction, the positive and negative ion spiral rings move towards one direction along with the moving direction of the magnetic field, so that a large number of ions can be gathered together to play a role in removing impurities. (Wang Dongli, et al. development of electromagnetic Water treatment technology [ J ] Petroleum site machinery, 2007, 36(1):9-11)
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides a method for carrying out electric vapor phase reaction treatment on high-salinity wastewater.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a method for electric vapor phase reaction treatment of high-salinity wastewater combines the technologies of a raw water regulating tank, a tourmaline ceramsite filter tank and a high-efficiency electromagnetic reactor to treat the high-salinity wastewater, thereby realizing the high-efficiency removal of organic matters in the wastewater.
Preferably, the high-salinity wastewater is subjected to turbidity removal to adjust the pH value to 4-5 and then is subjected to water quality and water quantity stabilization by a raw water adjusting tank; the effluent of the raw water regulating tank enters a tourmaline ceramsite filter tank for treatment, and backwashing water of the tourmaline ceramsite filter tank flows back to the raw water regulating tank; the water discharged from the tourmaline ceramsite filter tank enters a high-efficiency electromagnetic reactor, and the discharged water of the high-efficiency electromagnetic reactor is recycled; solid crystallization residues in the high-efficiency electromagnetic reactor are periodically scraped.
Preferably, the water quality condition of the treated high-salinity wastewater is as follows: the water quality condition of the treated high-salinity wastewater is as follows: the pH value is 3.8-12, the CODCr is 3500-90000 mg/L, the BOD5 is 80-800 mg/L, the TDS is 10000-185000 mg/L, the fluoride is 30-80 mg/L, the total cyanide is 0.05-200.0 mg/L, the total arsenic is 0.08-95.0 mg/L, and the total mercury is 0.09-500 mg/L.
Preferably, the tank body of the raw water adjusting tank is made of PE anticorrosive materials, and a pH adjusting agent adding device is preset at a water inlet of the tank body and is used for adjusting the water quantity and the pH value of water.
Preferably, the tourmaline ceramsite filter tank adopts a conventional sand filter tank filtration backwashing working mode, the model is LDX-15, the manufacturer is Xiamenity new group, the tourmaline ceramsite filter tank filter material adopts nano tourmaline ceramsite, the model is synbiotic nano energy ball, and the manufacturer is Xiamenity new group.
Preferably, the efficient electromagnetic crystallization reactor is internally provided with a graphite electrode plate, the connection power supply is a frequency modulation high-voltage alternating current power supply, the model of the frequency modulation high-voltage alternating current power supply is DMC-400, the output power is 500-100W, the output voltage is AC 0-10KV and is adjustable, the output frequency is 25KHZ-50KHZ, and the manufacturer is Daliangtong scientific and technological development Limited company.
Compared with the traditional treatment method adopting the process of adding chemical agents, the method has the following remarkable advantages and effects:
(1) the process method is carried out under the conditions of normal temperature and normal pressure, does not need to add chemical agents, only consumes a small amount of electric energy, has no secondary pollution, and greatly reduces the treatment cost.
(2) The process method operates at normal temperature and normal pressure, the main equipment is made of conventional materials such as PE and the like, and anticorrosive materials such as nickel-based alloy or titanium alloy and the like are not needed, so that the investment cost is greatly reduced, and the process method has obvious economic benefit.
(3) Short time for treating wastewater, high efficiency, less investment of treatment equipment and small occupied area.
(4) The process method can realize zero discharge treatment of the high-salinity wastewater, realize no discharge of pollutants to the environment, protect the ecological environment and solve the key problem for the treatment of the high-salinity wastewater.
Drawings
FIG. 1 is a schematic process flow diagram of the process of the present invention.
1-raw water regulating tank, 2-tourmaline ceramsite filter tank and 3-high-efficiency electromagnetic reactor.
Detailed Description
The process of the present invention is further illustrated by the following examples.
The main processing equipment related by the invention is as follows: the device comprises a raw water regulating tank, a tourmaline ceramsite filter tank and a high-efficiency electromagnetic reactor, wherein the raw water regulating tank, the tourmaline ceramsite filter tank and the high-efficiency electromagnetic reactor are sequentially connected in series. The treatment equipment can be purchased according to relevant requirements. Particularly, a pool body of the raw water adjusting pool is preferably made of PE anticorrosive materials, and a pH adjusting agent adding device is preset at a water inlet of the pool body and is used for adjusting the water quantity and the pH value of water. The tourmaline ceramsite filter tank adopts a conventional sand filter tank filtering back-flushing working mode (the model is LDX-15, the manufacturer is Xiamenineo new group), and the filter material of the tourmaline ceramsite filter tank adopts nano tourmaline ceramsite (the model is synbiotic nano energy ball, the manufacturer is Xiamenineo new group). The high-efficiency electromagnetic reactor is internally provided with a graphite electrode plate and is connected with a power supply to preferably select a frequency modulation high-voltage alternating-current power supply (the model of the frequency modulation high-voltage alternating-current power supply is DMC-400, the output power is 500-1000W, the output voltage AC 0-10KV is adjustable, the output frequency is 25KHZ-50KHZ is adjustable, and the manufacturer is Daliang Dingtong technology development Limited company).
The method comprises the following steps during operation:
1. the high-salinity wastewater is subjected to turbidity removal, the pH value is adjusted to be 4-5, and then the high-salinity wastewater enters a raw water adjusting tank to stabilize the water quantity and the water quality.
2. The effluent of the raw water regulating reservoir is treated by a tourmaline ceramsite filter, and the back washing water of the tourmaline ceramsite filter flows back to the raw water regulating reservoir.
3. The water discharged from the tourmaline ceramsite filter tank enters the high-efficiency electromagnetic reactor for magnetization treatment, and the water discharged from the high-efficiency electromagnetic reactor is recycled.
4. Solid crystallization residues in the high-efficiency electromagnetic reactor are periodically scraped.
Example (b):
the high-salinity wastewater is treated according to the method.
Example 1
The high-salinity wastewater is treated by adopting the method for the electric vapor phase reaction treatment of the high-salinity wastewater, and the water quality of the treated high-salinity wastewater is as follows: pH value of 4.8 and CODCr56250mg/L of chloride and 32100mg/L, BOD of chloride5586.0mg/L, TDS is 42000mg/L, fluoride is 32.1mg/L, total cyanide is 3.50mg/L, total arsenic is 6.20mg/L, and total mercury is 29.03mg/L, and the high-salt wastewater is added into an acid-base adjusting tank, and the pH value of the high-salt wastewater is adjusted to 4-5.
According to the experimental result, after the operation is carried out for 24 hours, the average removal rate of CODcr in the high-salinity wastewater is 99.9%, the average removal rate of suspended matters (SS) is 99.2%, and the operation of the equipment is stable.
Example 2
The high-salinity wastewater is treated by adopting the method for the electric vapor phase reaction treatment of the high-salinity wastewater, and the water quality of the treated high-salinity wastewater is as follows: pH value of 11.2 and CODCr41620mg/L of chloride and 19800mg/L, BOD of chloride5910.3mg/L, TDS is 27000mg/L, fluoride is 69.2mg/L, total cyanide is 0.38mg/L, total arsenic is 0.35mg/L, total mercury is 0.62 mg/L.
According to the experimental result, after the operation is carried out for 24 hours, the average removal rate of CODcr in the high-salinity wastewater is 99.7%, the average removal rate of suspended matters (SS) is 98.7%, and the operation of the equipment is stable.
Example 3
The high-salinity wastewater is treated by adopting the method for the electric vapor phase reaction treatment of the high-salinity wastewater, and the water quality of the treated high-salinity wastewater is as follows: : pH value of 6.6 and CODCrIs 78239.9mg/L, BOD5823.9mg/L, TDS is 129600mg/L, zinc ion is 2970mg/L, fluoride is 832.6mg/L, total cyanide is 23.76mg/L, total arsenic is 11.38mg/L, and total mercury is 65.9 mg/L.
The experimental result shows that the average removal rate of CODcr in the high-salinity wastewater is 99.8%, the average removal rate of suspended matters (SS) is 99.5%, and the equipment is stable in operation.
In summary, the present invention solves the technical deficiencies of the prior art. The raw water regulating tank, the tourmaline ceramsite filter tank and the high-efficiency electromagnetic reactor are combined, and the hardness of the high-salinity wastewater is reduced, so that the salt in the high-salinity wastewater can be crystallized and separated out by the high-efficiency electromagnetic reactor at the later stage, the salt in the high-salinity wastewater is removed, and the water from the high-efficiency electromagnetic reactor is recycled.
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The method for the electric vapor phase reaction treatment of the high-salinity wastewater is characterized in that a raw water regulating tank (1), a tourmaline ceramsite filter tank (2) and a high-efficiency electromagnetic reactor (3) are combined for treating the high-salinity wastewater, so that the high-efficiency removal of organic matters in the wastewater is realized.
2. The method for the electric vapor phase reaction treatment of the high-salinity wastewater according to claim 1, characterized in that the high-salinity wastewater is subjected to turbidity removal to adjust the pH value to 4-5 and then is subjected to water quality and water quantity stabilization by a raw water adjusting tank (1); the effluent of the raw water regulating tank (1) enters a tourmaline ceramsite filter tank (2) for treatment, and backwashing water of the tourmaline ceramsite filter tank (2) flows back to the raw water regulating tank (1); the effluent of the tourmaline ceramsite filter tank (2) enters a high-efficiency electromagnetic reactor (3), and the effluent of the high-efficiency electromagnetic reactor (3) is recycled; solid crystallization residues in the high-efficiency electromagnetic reactor (3) are periodically scraped.
3. The method for electric vapor phase reaction treatment of high-salinity wastewater according to claim 1 or 2, characterized in that the water quality condition of the treated high-salinity wastewater is as follows: the pH value is 3.8-12, and the COD isCr3500-90000 mg/L, BOD580-800 mg/L, TDS 10000-185000 mg/L, fluoride 30-80 mg/L, total cyanide 0.05-200.0 mg/L, total arsenic 0.08-95.0 mg/L, and 0.09-500 mg/L of total mercury.
4. The method for electric vapor phase reaction treatment of high salinity wastewater according to claim 1, wherein the tank body of the raw water adjusting tank is PE anticorrosive material, and a pH adjusting agent adding device is preset at the water inlet of the tank body for adjusting the water quantity and pH value of the water.
5. The method for the electric vapor phase reaction treatment of the high-salinity wastewater according to claim 1, characterized in that the tourmaline ceramsite filter tank adopts a conventional sand filter tank filter backwashing operation mode, the model is LDX-15, the manufacturer is Xiamenaide new group, the filter material of the tourmaline ceramsite filter tank adopts nano tourmaline ceramsite, the model is synbiotic nano energy ball, and the manufacturer is Xiamenaide new group.
6. The method for electric-vapor phase reaction treatment of high-salinity wastewater according to claim 1, wherein the high-efficiency electromagnetic crystallization reactor is internally provided with a graphite electrode plate, the connection power supply is a frequency-modulated high-voltage alternating current power supply, the model of the frequency-modulated high-voltage alternating current power supply is DMC-400, the output power is 500-100W, the output voltage is AC 0-10KV and the output frequency is 25-50 KHZ, and the manufacturer is Dajingtong scientific and technological development Limited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010502148.0A CN111606492A (en) | 2020-06-04 | 2020-06-04 | Method for electric vapor phase reaction treatment of high-salinity wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010502148.0A CN111606492A (en) | 2020-06-04 | 2020-06-04 | Method for electric vapor phase reaction treatment of high-salinity wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111606492A true CN111606492A (en) | 2020-09-01 |
Family
ID=72204185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010502148.0A Pending CN111606492A (en) | 2020-06-04 | 2020-06-04 | Method for electric vapor phase reaction treatment of high-salinity wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111606492A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112723647A (en) * | 2020-12-29 | 2021-04-30 | 东莞市格美节能设备有限公司 | Zero-emission treatment and recycling method of high-salinity wastewater photocatalytic electromagnetic reactor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701500A (en) * | 2012-06-25 | 2012-10-03 | 龙岩市康琦环保科技有限公司 | Printing and dyeing wastewater zero-discharge reuse treatment method |
| CN103819036A (en) * | 2014-02-27 | 2014-05-28 | 盛发环保科技（厦门）有限公司 | Treating method for desulfurization waste water of power plant |
| CN105084682A (en) * | 2015-10-08 | 2015-11-25 | 南京大学 | Method for improving treatment efficiency of ammonia nitrogen in wastewater |
| WO2016076700A2 (en) * | 2014-11-10 | 2016-05-19 | Alday Cruz Ricardo | Electrodeionisation reactor for water polarisation, water treatment, and treatment of wastewater, fluids in general and solids containing water, moisture or other fluid, by electropolarisation |
| US20160214029A1 (en) * | 2015-01-22 | 2016-07-28 | Yueh-Huan LEE | Mineral composition for generating small water clusters, a small water cluster generating device and a seawater desalination equipment using the same, and a small water cluster generating method |
| CN106746140A (en) * | 2016-12-21 | 2017-05-31 | 厦门诺迪膜科技有限公司 | The method that electricity consumption magnetic crystallization reactor carries out high-salinity wastewater zero-emission treatment and reuse |
-
2020
- 2020-06-04 CN CN202010502148.0A patent/CN111606492A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701500A (en) * | 2012-06-25 | 2012-10-03 | 龙岩市康琦环保科技有限公司 | Printing and dyeing wastewater zero-discharge reuse treatment method |
| CN103819036A (en) * | 2014-02-27 | 2014-05-28 | 盛发环保科技（厦门）有限公司 | Treating method for desulfurization waste water of power plant |
| WO2016076700A2 (en) * | 2014-11-10 | 2016-05-19 | Alday Cruz Ricardo | Electrodeionisation reactor for water polarisation, water treatment, and treatment of wastewater, fluids in general and solids containing water, moisture or other fluid, by electropolarisation |
| US20160214029A1 (en) * | 2015-01-22 | 2016-07-28 | Yueh-Huan LEE | Mineral composition for generating small water clusters, a small water cluster generating device and a seawater desalination equipment using the same, and a small water cluster generating method |
| CN105084682A (en) * | 2015-10-08 | 2015-11-25 | 南京大学 | Method for improving treatment efficiency of ammonia nitrogen in wastewater |
| CN106746140A (en) * | 2016-12-21 | 2017-05-31 | 厦门诺迪膜科技有限公司 | The method that electricity consumption magnetic crystallization reactor carries out high-salinity wastewater zero-emission treatment and reuse |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112723647A (en) * | 2020-12-29 | 2021-04-30 | 东莞市格美节能设备有限公司 | Zero-emission treatment and recycling method of high-salinity wastewater photocatalytic electromagnetic reactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Narayanan et al. | Use of adsorption using granular activated carbon (GAC) for the enhancement of removal of chromium from synthetic wastewater by electrocoagulation | |
| Nidheesh et al. | Effect of solution pH on the performance of three electrolytic advanced oxidation processes for the treatment of textile wastewater and sludge characteristics | |
| CN105439358A (en) | Method and device for realizing zero discharge of desulfurization wastewater | |
| CN104724874A (en) | Sewage pretreatment method | |
| CN102603039A (en) | Coupling desalination method and device | |
| CN105923884A (en) | High-salinity wastewater cold source evaporation zero-emission treating and recycling method | |
| CN104944647A (en) | Capacitance type sewage and waste water treatment device and method based on action of direct current electric field | |
| CN102329048B (en) | Method for treating wastewater produced during chemical synthesis of vitamin B6 | |
| CN102092821A (en) | Application method of high-property activated carbon fibers in treatment of industrial waster water by electrocoagulation | |
| CN204848534U (en) | Based on capacitanc sewage and waste water treatment equipment under direct current field effect | |
| CN111606492A (en) | Method for electric vapor phase reaction treatment of high-salinity wastewater | |
| CN103951017A (en) | Method for treating cyanogen-containing copper-containing electroplating wastewater by electrolysis and recycling copper | |
| CN103482773B (en) | Dephosphorization reagent for rural domestic sewage and application thereof | |
| CN201442879U (en) | Dual-magnetic waste water separating and filtering device | |
| CN106746140A (en) | The method that electricity consumption magnetic crystallization reactor carries out high-salinity wastewater zero-emission treatment and reuse | |
| CN111606493A (en) | Method for zero-emission treatment of high-salinity wastewater through electric steam energy evaporation | |
| CN114291875B (en) | Method for recycling and purifying ammonia nitrogen by using flowing electrode capacitor based on monovalent cation exchange membrane | |
| CN102963943B (en) | Method for treating nitrobenzene wastewater by natural pyrrhotite | |
| Wan et al. | Environmental Research on Remediation of Cd-contaminated Soil by Electrokinetic Remediation. | |
| CN202643386U (en) | Strong magnetized circulating water processing apparatus | |
| Li et al. | Heavy metal contaminated soil remediated by a bioelectrochemical system: Simultaneous promotion of electrochemically active bacteria and bipolar membrane | |
| CN110655290B (en) | Coal mine wastewater treatment method | |
| CN108557963B (en) | Electromagnetic electrostatic sewage purifier | |
| CN110479752B (en) | Electric restoration method for low-permeability polluted soil | |
| CN111036080A (en) | Reverse osmosis anti-pollution synergistic system, method and application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200901 |
|
| RJ01 | Rejection of invention patent application after publication |