CN112010471A - Sewage treatment device and method - Google Patents

Sewage treatment device and method Download PDF

Info

Publication number
CN112010471A
CN112010471A CN201910462044.9A CN201910462044A CN112010471A CN 112010471 A CN112010471 A CN 112010471A CN 201910462044 A CN201910462044 A CN 201910462044A CN 112010471 A CN112010471 A CN 112010471A
Authority
CN
China
Prior art keywords
reaction tower
sewage
reaction
sulfur
tail gas
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
Application number
CN201910462044.9A
Other languages
Chinese (zh)
Inventor
党伟
丁鹏元
谭文捷
唐志伟
胡长朝
王莉莉
杨吉龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Petroleum and Chemical Corp
Sinopec Exploration and Production Research Institute
Original Assignee
China Petroleum and Chemical Corp
Sinopec Exploration and Production Research Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Petroleum and Chemical Corp, Sinopec Exploration and Production Research Institute filed Critical China Petroleum and Chemical Corp
Priority to CN201910462044.9A priority Critical patent/CN112010471A/en
Publication of CN112010471A publication Critical patent/CN112010471A/en
Pending legal-status Critical Current

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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • 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
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
    • 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
    • C02F2101/10—Inorganic compounds
    • C02F2101/101—Sulfur compounds
    • 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
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Treating Waste Gases (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

The invention relates to a sewage treatment device and a method, wherein the device comprises a closed reaction tower; the water inlet assembly is communicated with the reaction tower and pumps the sulfur-containing sewage into the reaction tower; the air catalytic oxidation assembly is arranged in the middle of the reaction tower and is used for carrying out air catalytic oxidation primary desulfurization on the sewage; the electrocatalytic oxidation component is arranged at the bottom of the reaction tower and is used for carrying out electrocatalytic oxidation deep desulfurization on the sewage; and wherein, the bottom of the reaction tower is provided with a water outlet, and the top of the reaction tower is provided with a tail gas collecting device. The method is implemented according to the device. The invention fully combines the desulfurization characteristics of the air catalytic oxidation technology and the electrocatalytic oxidation technology, and can realize the high-efficiency, quick and low-cost desulfurization treatment of the high-sulfur-content sewage of the oil-gas field.

Description

Sewage treatment device and method
Technical Field
The invention relates to a sewage treatment device, in particular to a treatment device for high-sulfur-content sewage in an oil and gas field. The invention also relates to a sewage treatment method.
Background
With the continuous exploitation of oil and gas fields and the continuous improvement of development technologies, the yield of produced water is continuously increased. The produced water has complex water quality, contains inorganic salts, organic substances and microorganisms in various stratums, and artificially added oil and gas field development chemical agents, and usually also contains multiphase sulfur compounds, such as gaseous hydrogen sulfide, dissolved sulfate, non-soluble elemental sulfur and the like. The produced water treatment difficulty is high due to the factors, particularly the desulfurization process is complex, and the desulfurization cost is high.
Sulfides in the produced water and Fe2+Formation of FeS or Fe (OH)2The mud scale causes corrosion to equipment and pipelines, and the mud scale can block pipelines and oil layers to cause reservoir damage and increase the difficulty of water injection. The residual sulfide in the water body can promote the reproduction of sulfate reducing bacteria, metabolize organic sulfur to generate inorganic sulfide, increase the corrosivity of the water body, blacken and stink the water body, cause the poisoning of organisms in the water and seriously affect the ecology. Therefore, there is a need for desulfurization treatment of produced water.
At present, the treatment methods of sulfur-containing sewage mainly comprise a gas stripping method/air stripping method, an alkali liquor absorption method, a coagulating sedimentation method, an oxidation method, an electrochemical desulfurization method, a biological treatment method and the like. The gas stripping method can treat the high-sulfur sewage, but the effluent has high sulfur content and still needs to be further treated, the effluent has large fluctuation in practical engineering application, and a gas stripping tower is easy to block. The alkali liquor absorption method, the coagulating sedimentation method and the chemical oxidation method depend on chemical reaction, so that a large amount of medicament is consumed when the sulfur content is high, and the secondary pollution problems of waste liquid, waste sludge and the like are caused; the air oxidation method has a slow reaction rate, generally adopts the addition of catalysts such as quinone compounds, manganese salts, iron salts, copper salts and the like, increases the reaction temperature to accelerate the reaction rate, and has the problems of long reaction time and large energy consumption; advanced oxidation methods, such as wet air oxidation, supercritical water oxidation, and the like, can achieve high-efficiency desulfurization, but have the problems of high treatment cost, high requirements on reaction conditions, and the like, thereby limiting the industrial application of the technology; the electrochemical method has the problems of electrode corrosion, passivation and high power consumption, and is not suitable for treating high-sulfur sewage; biological methods are commonly used for treating sewage with the sulfur content of below 50mg/L, have high requirements on water quality stability, and can show cost advantages under the condition of large water amount.
Disclosure of Invention
Aiming at the problems, the invention provides a sewage treatment device and a sewage treatment method, which can treat high-sulfur-content sewage of an oil-gas field, remove sulfides in the sewage and reduce the pollution to the environment.
In one aspect of the present invention, there is provided a sewage treatment apparatus comprising:
a closed reaction tower;
the water inlet assembly is communicated with the reaction tower and pumps the sulfur-containing sewage into the reaction tower;
the air catalytic oxidation assembly is arranged in the middle of the reaction tower and is used for carrying out primary desulfurization on the sewage to remove most sulfides;
the electrocatalytic oxidation component is arranged at the bottom of the reaction tower and is used for deeply desulfurizing the sewage; and
wherein, the bottom of reaction tower is provided with the outlet, and its top is provided with tail gas collection device.
The invention further improves the air catalytic oxidation assembly, which comprises a catalyst reaction layer horizontally arranged in the reaction tower, wherein an aeration device is arranged below the catalyst reaction layer, and the aeration device is connected with an air compressor arranged outside the reaction tower.
The invention is further improved in that the catalyst reaction layer comprises a plurality of heterogeneous catalyst plates which are spliced into a screen-shaped structure in the horizontal direction.
The invention further improves that the electrocatalytic oxidation assembly comprises a plurality of electrode groups which are arranged at the bottom of the reaction tower in parallel and are connected with a power supply through leads.
The invention has the further improvement that the water inlet component comprises a water feeding pump arranged outside the reaction tower and a water distribution spray head connected with the water feeding pump through a water pipe; the water distribution spray head is arranged in the reaction tower and is positioned above the air catalytic oxidation component;
wherein, the feed pump pumps the sulfur-containing sewage into the reaction tower and atomizes and sprays the sewage through the water distribution nozzle.
The invention is further improved in that the tail gas collecting device comprises a spray catcher arranged at the top of the reaction tower, and the spray catcher is connected with a tail gas treatment device through a tail gas guide pipe.
The invention is further improved in that the bottom of the reaction tower is provided with a sludge discharge pipe.
In another aspect of the present invention, a method for treating sulfur-containing wastewater by the wastewater treatment apparatus is further provided, including:
pumping the sulfur-containing sewage into a reaction tower through a water inlet assembly;
atomizing sewage by a water distribution nozzle, then entering an air catalytic oxidation component, staying for 5-10 minutes for air catalytic oxidation desulfurization, then flowing into an electrocatalytic oxidation component, and staying for 10-30 minutes for electrocatalytic oxidation deep desulfurization;
and discharging the sewage after the electrocatalytic oxidation from the water outlet, and absorbing tail gas generated in the reaction process by a tail gas collecting device.
The invention is further improved in that the temperature of the sewage pumped into the reaction tower by the water inlet assembly is normal temperature, and the pressure in the reaction tower is normal pressure.
The invention has the further improvement that the sulfur content in the treated sulfur-containing sewage is 500-1000 mg/L, and the suspended matters are less than 500 mg/L.
Compared with the prior art, the invention has the advantages that:
the sewage treatment device can effectively carry out oxidation desulfurization on the high-sulfur sewage through the efficient combination of air catalytic oxidation and electrocatalytic oxidation. The invention has short residence time and high reaction efficiency, can effectively reduce the volume and the occupied area of the device, and greatly reduces the investment cost. And no medicament is required to be added, the power consumption is low, and the operation is carried out at normal temperature and normal pressure, so that the operation cost can be greatly reduced. Meanwhile, no chemical sludge is generated in the treatment process, so that the problems of sludge disposal and secondary pollution are avoided.
In the invention, the air catalytic oxidation technology adopts the heterogeneous solid catalyst, compared with the common addition of the homogeneous catalyst, the problems of catalyst loss, separation, chemical sludge treatment and disposal and the like do not need to be considered, and the medicament cost and the sludge cost can be effectively reduced. In the air catalytic oxidation reaction process, the water inlet mode of atomization spraying is adopted, so that the mass transfer and utilization efficiency of oxygen can be effectively improved, and the air catalytic oxidation efficiency is improved. By controlling the aeration quantity and the residence time, the sulfide in the sewage is not completely oxidized, so that the residence time is reduced, and the problem of residual dissolved oxygen is avoided.
Compared with the prior electrocatalytic oxidation technology, the electrocatalytic oxidation technology directly loads the catalyst on the electrode, and the content of sulfide in the sewage after air catalytic oxidation is lower, so that the oxidation efficiency is higher, the treatment time is shorter, and the effluent quality is relatively stable.
Drawings
Fig. 1 is a schematic structural view of a sewage treatment apparatus according to an embodiment of the present invention.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
The meaning of the reference symbols in the drawings is as follows: 1. the device comprises a reaction tower, 2, a water inlet assembly, 3, an air catalytic assembly, 4, an electrocatalytic oxidation assembly, 5, a tail gas collecting device, 11, a water outlet, 12, a sludge discharge pipe, 21, a water feed pump, 22, a water pipe, 23, a water distribution nozzle, 31, a catalyst reaction layer, 32, an aeration device, 33, an air compressor, 41, an electrode group, 42, a lead, 43, a power supply, 51, a mist catcher, 52, a tail gas guide pipe, 53 and a tail gas treatment device.
Detailed Description
The invention will be further explained with reference to the drawings.
Fig. 1 schematically shows a sewage treatment apparatus according to an embodiment of the present invention. According to the sewage treatment device, high-sulfur-content sewage of an oil and gas field can be treated, and sulfides in the sewage can be removed.
As shown in FIG. 1, the sewage treatment apparatus of this embodiment includes a reaction tower. The reaction tower is of a closed structure, and sewage treatment reaction is carried out in the reaction tower. The sewage treatment plant of this embodiment still include the subassembly of intaking, the one end intercommunication of the subassembly of intaking the reaction tower, the high sulphur sewage that contains in oil field is connected to the other end. The water inlet assembly pumps the sulfur-containing sewage into the reaction tower.
The sewage treatment plant of this embodiment still include the air catalytic oxidation subassembly, the air catalytic oxidation subassembly can carry out the preliminary desulfurization of air catalytic oxidation to sewage, its setting is at sewage treatment plant's middle part. The sewage enters the air catalytic oxidation assembly, under the action of the catalyst, sulfide in the sewage and oxygen in the air are subjected to oxidation reaction, and most of sulfide is oxidized into elemental sulfur, persulfate and/or sulfate.
The bottom of the reaction tower is provided with an electrocatalytic oxidation component which carries out electrocatalytic oxidation deep desulfurization on the sewage. The sewage treated by the air catalytic oxidation component enters the electrocatalytic oxidation component under the action of gravity, and a small part of sulfide remains in the sewage after the air catalytic oxidation treatment, and can be thoroughly removed by the electrocatalytic oxidation component. In the electrocatalytic oxidation reaction, sulfur ions are preferentially discharged at the anode plate and oxidized to generate high-valence sulfur due to the lower reduction potential of the sulfur ions. Meanwhile, the produced water usually contains more chloride ions and loses electrons to generate chlorine or hypochlorite, and the products with strong oxidizing property can oxidize sulfur ions.
In this embodiment, the bottom of the reaction tower is provided with a water outlet, and the water outlet can discharge treated sewage. And the top of the reaction tower is provided with a tail gas collecting device for collecting tail gas. During the catalytic oxidation reaction, a certain amount of tail gas is generated, and the tail gas contains harmful gases such as hydrogen sulfide and chlorine. These off-gases can be collected and absorbed by an off-gas collection device.
When the sewage treatment apparatus according to the present embodiment is used, the sulfur-containing sewage is pumped into the reaction tower through the water inlet assembly. And enabling the sulfur-containing sewage to enter an air catalytic oxidation component, performing air catalytic oxidation desulfurization, and converting most of sulfide into elemental sulfur, persulfate and/or sulfate. And the sewage after the reaction enters an electrocatalytic oxidation component, and is subjected to electrocatalytic oxidation deep desulfurization to remove residual sulfide. After the air catalytic oxidation and the electrocatalytic oxidation desulfurization treatment, the removal rate of the sulfide in the sewage can exceed 95 percent.
In one embodiment, the air catalytic oxidation assembly comprises a catalyst reaction layer, and a catalyst for air catalytic oxidation reaction is arranged in the catalyst reaction layer. The catalyst reaction layer is arranged in the reaction tower along the horizontal direction. The water inlet assembly pumps sewage to the upper part of the catalyst reaction layer, and the sewage falls down from the upper part of the catalyst reaction layer and enters the catalyst reaction layer. And an aeration device is arranged below the catalyst reaction layer and is connected with an air compressor arranged outside the reaction tower. Preferably, the aeration device comprises a disc-shaped aeration disc and an aeration pipe arranged on the aeration disc; or the aerator pipe can be composed of a single spiral aerator pipe.
In the sewage treatment apparatus according to the present embodiment, the air compressor introduces external air into the aeration apparatus. The aeration device is positioned below the catalyst reaction layer, air enters the reaction tower from the aeration device and flows upwards, enters the upper space of the reaction tower after the reaction of the catalyst reaction layer and flows out through the tail gas collecting device. The sewage flows into the upper space of the catalyst reaction layer after being atomized and falls into the catalyst reaction layer under the action of gravity. The sewage and the air move oppositely in the catalyst reaction layer and are fully contacted, so that the mass transfer efficiency of the oxygen is improved, and the desulfurization effect of the catalytic oxidation of the air is ensured.
In a preferred embodiment, the catalyst reaction layer comprises a plurality of heterogeneous catalyst plates, which are spliced to form the catalyst reaction layer. Heterogeneous catalyst boards are arranged in parallel, and the catalyst reaction layer is in a screen-shaped structure in the horizontal direction.
In the sewage treatment device according to the embodiment, the catalyst reaction layer is of a screen-shaped structure spliced by heterogeneous catalyst plates, so that sewage can flow in the catalyst reaction layer and fully contacts the heterogeneous catalyst plates, and the catalytic oxidation reaction is guaranteed to be fully completed.
In one embodiment, the electrocatalytic oxidation assembly comprises a plurality of electrode groups arranged at the bottom of the reaction tower in parallel, and the electrode groups are connected with a power supply through leads. The electrode assembly is coated with an electrocatalytic oxidation catalyst, preferably arranged in a vertical orientation. The power supply supplies power to the electrode group through a lead, and the current density of the power supply is 50-500A/m2。
In one embodiment, the water inlet assembly comprises a feed pump, which is arranged outside the reaction tower and pumps high sulfur-containing sewage of the oil and gas field into the reaction tower. The water feeding pump is connected with the inside of the reaction tower through a water pipe. In this embodiment, the water inlet assembly further comprises a water distribution nozzle, and the water distribution nozzle is arranged at the upper part of the reaction tower and is positioned above the air catalytic oxidation assembly. The sewage is atomized and sprayed through the water distribution nozzle, and under the action of the water distribution nozzle, the sewage is atomized to form small water drops which are uniformly sprayed on the upper part of the reaction tower.
In one embodiment, the tail gas collecting device comprises a mist catcher, and the mist catcher is arranged at the top of the reaction tower and is used for catching liquid drops suspended in air. The mist catcher is connected with a tail gas treatment device through a tail gas guide pipe. The tail gas guide pipe is connected with the top end of the reaction tower and is connected with the tail gas absorption device. The tail gas guide pipe guides and sends the tail gas to a tail gas absorption device. The tail gas absorption device is a gas hydrogen sulfide absorption column and can be filled with a solid-phase desulfurizer or alkali liquor.
In one embodiment, the bottom of the reaction tower is provided with a sludge discharge pipe. The sludge discharge pipe is used for discharging solid products after reaction, such as elemental sulfur and the like. After the sewage is subjected to air catalytic oxidation reaction and electrocatalytic oxidation reaction, sulfides in the sewage can produce certain solid substances such as elemental sulfur and the like, the solid substances can be deposited at the bottom of the reaction tower, and the solid substances can be discharged through the sludge discharge pipe.
According to another aspect of the invention, a sewage treatment method is also provided. The sewage treatment method of the embodiment is realized according to the sewage treatment device of the embodiment. The method comprises the following steps.
Firstly, the sewage containing sulfur is pumped into the reaction tower through the water inlet assembly. Preferably, the treated sulfur-containing sewage is high-sulfur-containing sewage, the sulfur content of the sewage is 500-1000 mg/L, and the suspended matters are less than 500 mg/L.
The sewage falls into the air catalytic oxidation component and stays for 5-10 minutes for air catalytic oxidation desulfurization, and then flows into the electrocatalytic oxidation component and stays for 10-30 minutes for electrocatalytic oxidation deep desulfurization. Most of sulfide in the sewage can be removed through air catalytic oxidation reaction; residual sulfides in the sewage can be removed through electrocatalytic oxidation reaction. The total retention time is only 15-40 min, and more than 95% of S can be removed2-. In a preferred embodiment, the temperature of the sewage pumped into the reaction tower by the water inlet assembly is normal temperature, preferably 30-40 ℃, and the pressure in the reaction tower is normal pressure.
And discharging the sewage after the electrocatalytic oxidation from the water outlet, and absorbing tail gas generated in the reaction process by a tail gas collecting device.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. A sewage treatment apparatus, comprising:
a closed reaction tower;
the water inlet assembly is communicated with the reaction tower and pumps the sulfur-containing sewage into the reaction tower;
the air catalytic oxidation assembly is arranged in the middle of the reaction tower and is used for carrying out primary desulfurization on the sewage to remove most sulfides;
the electrocatalytic oxidation component is arranged at the bottom of the reaction tower and is used for deeply desulfurizing the sewage; and
wherein, the bottom of reaction tower is provided with the outlet, and its top is provided with tail gas collection device.
2. The wastewater treatment device according to claim 1, wherein the air catalytic oxidation assembly comprises a catalyst reaction layer horizontally arranged in the reaction tower, an aeration device is arranged below the catalyst reaction layer, and the aeration device is connected with an air compressor arranged outside the reaction tower.
3. The wastewater treatment device according to claim 2, wherein the catalyst reaction layer comprises a plurality of heterogeneous catalyst plates, and the heterogeneous catalyst plates are spliced into a screen-shaped structure in the horizontal direction.
4. The sewage treatment device according to claim 1, wherein the electrocatalytic oxidation assembly comprises a plurality of electrode groups arranged at the bottom of the reaction tower in parallel, and the electrode groups are connected with a power supply through leads.
5. The sewage treatment device according to any one of claims 1 to 4, wherein the water inlet assembly comprises a water feed pump arranged outside the reaction tower, and a water distribution nozzle connected with the water feed pump through a water pipe; the water distribution spray head is arranged in the reaction tower and is positioned above the air catalytic oxidation component;
wherein, the feed pump pumps the sulfur-containing sewage into the reaction tower and atomizes and sprays the sewage through the water distribution nozzle.
6. The wastewater treatment plant according to any of claims 1 to 5, wherein the tail gas collection device comprises a mist trap disposed at the top of the reaction tower, the mist trap being connected to the tail gas treatment plant by a tail gas conduit.
7. The wastewater treatment apparatus according to any of claims 1 to 6, wherein a sludge discharge pipe is provided at the bottom of the reaction tower.
8. A method for treating sulfur-containing sewage by the sewage treatment apparatus according to any one of claims 1 to 7, comprising:
pumping the sulfur-containing sewage into a reaction tower through a water inlet assembly;
atomizing sewage by a water distribution nozzle, then entering an air catalytic oxidation component, staying for 5-10 minutes for air catalytic oxidation desulfurization, then flowing into an electrocatalytic oxidation component, and staying for 10-30 minutes for electrocatalytic oxidation deep desulfurization;
and discharging the sewage after the electrocatalytic oxidation from the water outlet, and absorbing tail gas generated in the reaction process by a tail gas collecting device.
9. The wastewater treatment method according to claim 8, wherein the temperature of the wastewater pumped into the reaction tower by the water inlet assembly is normal temperature, and the pressure in the reaction tower is normal pressure.
10. The sewage treatment method according to claim 8, wherein the sulfur content in the treated sulfur-containing sewage is 500-1000 mg/L, and the suspended matter is less than 500 mg/L.
CN201910462044.9A 2019-05-30 2019-05-30 Sewage treatment device and method Pending CN112010471A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910462044.9A CN112010471A (en) 2019-05-30 2019-05-30 Sewage treatment device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910462044.9A CN112010471A (en) 2019-05-30 2019-05-30 Sewage treatment device and method

Publications (1)

Publication Number Publication Date
CN112010471A true CN112010471A (en) 2020-12-01

Family

ID=73500825

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910462044.9A Pending CN112010471A (en) 2019-05-30 2019-05-30 Sewage treatment device and method

Country Status (1)

Country Link
CN (1) CN112010471A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004114027A (en) * 2002-09-24 2004-04-15 Hisao Izumi Electrical catalytic chemical reaction type waste liquid cleaner
CN101434443A (en) * 2007-11-15 2009-05-20 中国石油化工股份有限公司 Method and apparatus for treating oil refining sewerage
CN102452712A (en) * 2010-10-15 2012-05-16 中国石油化工股份有限公司 Oxidation method of flue gas desulphurization waste liquid
CN103449639A (en) * 2013-09-16 2013-12-18 中国海洋石油总公司 Micro-series-wound-internal circulating photoelectric catalysis oxidation wastewater treatment method
US20140238902A1 (en) * 2013-02-22 2014-08-28 Anschutz Exploration Corporation Method and System for Removing Hydrogen Sulfide from Sour Oil and Sour Water
CN107098513A (en) * 2017-04-28 2017-08-29 浙江奇彩环境科技股份有限公司 A kind of processing method of high concentration morpholine waste water

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004114027A (en) * 2002-09-24 2004-04-15 Hisao Izumi Electrical catalytic chemical reaction type waste liquid cleaner
CN101434443A (en) * 2007-11-15 2009-05-20 中国石油化工股份有限公司 Method and apparatus for treating oil refining sewerage
CN102452712A (en) * 2010-10-15 2012-05-16 中国石油化工股份有限公司 Oxidation method of flue gas desulphurization waste liquid
US20140238902A1 (en) * 2013-02-22 2014-08-28 Anschutz Exploration Corporation Method and System for Removing Hydrogen Sulfide from Sour Oil and Sour Water
CN103449639A (en) * 2013-09-16 2013-12-18 中国海洋石油总公司 Micro-series-wound-internal circulating photoelectric catalysis oxidation wastewater treatment method
CN107098513A (en) * 2017-04-28 2017-08-29 浙江奇彩环境科技股份有限公司 A kind of processing method of high concentration morpholine waste water

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
李明俊等: "《环保机械与设备》", 31 March 2005, 中国环境科学出版社 *
李立欣等: "《环境化学》", 31 August 2017, 哈尔滨工业大学出版社 *

Similar Documents

Publication Publication Date Title
CN101781036B (en) Equipment and method for treating nondegradable wastewater by utilizing catalytic oxidation of ozone
CN201529488U (en) Gas ammonia washing combined sintering smoke desulphurization device
CN102219323B (en) Method for simultaneously removing organic pollutants and ammonia in waste water and reactor
CN102642911A (en) Advanced oxidation treatment device and advanced oxidation treatment process of refractory organic wastewater
CN102863105B (en) Technology and system for treating high-salt high-nitrogen high-organic matter chemical wastewater
KR101462054B1 (en) Apparatus for Eliminating Hydrogen Sulfide and Harmful Gas
CN210855399U (en) Floated little electrolysis sewage treatment pond of iron carbon combined packing
CN108117208B (en) Treatment method and treatment device for alkaline residue waste liquid
CN104556494A (en) Advanced sewage treatment technology
CN110237665B (en) Electrocatalytic oxidation VOC treatment device
CN101948705A (en) Integrated methane safety biological desulfurization device
CN110240331B (en) Method and system for performing biogas desulfurization by using electrolysis and air flotation to treat biogas slurry
CN202576065U (en) Advanced oxidation treatment device for nondegradable organic wastewater
CN201778014U (en) Integrated safe biological methane desulfurization zone
CN112010471A (en) Sewage treatment device and method
CN111217441B (en) Ozone oxidation reactor and use method thereof
KR100854071B1 (en) Apparatus for removal of odor gas from pig pen and hen house by using mediated electrochemical oxidation
CN112320939B (en) Method and system for treating sulfate organic wastewater
CN212334745U (en) Anaerobic bioreactor
CN101314508B (en) Continuous inner electrolyser for wastewater treatment of dyeing
CN212076694U (en) Catalytic reduction reactor for wastewater pretreatment and wastewater pretreatment system
KR101574926B1 (en) Sulfur removal apparatus
CN212215087U (en) Super oxidation exhaust-gas treatment system of spraying method
CN210505889U (en) System for performing biogas desulfurization by using electrolysis and air flotation biogas slurry treatment
CN210367366U (en) Device for improving sludge dewatering performance in sludge oxidation conditioning process

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: 20201201

RJ01 Rejection of invention patent application after publication