CN110467941A - A kind of processing method and system of crude oil electric desalting draining - Google Patents
A kind of processing method and system of crude oil electric desalting draining Download PDFInfo
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- CN110467941A CN110467941A CN201910768442.3A CN201910768442A CN110467941A CN 110467941 A CN110467941 A CN 110467941A CN 201910768442 A CN201910768442 A CN 201910768442A CN 110467941 A CN110467941 A CN 110467941A
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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
-
- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/02—Dewatering or demulsification of hydrocarbon oils with electrical or magnetic means
-
- 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
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
- C02F2103/365—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
- C10G2300/208—Sediments, e.g. bottom sediment and water or BSW
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The present invention relates to processing methods and system that industrial waste water treatment more particularly to a kind of crude oil electric desalting drain.The draining of electrical oil dewatering tank is reacted in a mixer with specific adjuvant, water outlet after reaction, which enters, cuts the progress water-oil separating of water surge tank, when water outlet salt content after water-oil separating is less than 5000mg/L, the water outlet after water-oil separating is with the flow whole re-injection not less than 30t/h in electrical oil dewatering tank；When water outlet salt content after the water-oil separating is not less than 5000mg/L, water outlet and dilution water after water-oil separating are mixed to get mixing of the salt content less than 5000mg/L and are discharged, and the mixing water outlet is with the flow re-injection not less than 30t/h in electrical oil dewatering tank；Sump oil re-injection after the water-oil separating is in the electrical oil dewatering tank.The processing method makes the sump oil in electro-desalting draining obtain effective freshening, and displacement is substantially reduced.
Description
Technical field
A kind of drained the present invention relates to industrial waste water treatment more particularly to crude oil electric desalting processing method and
System.
Background technique
Crude oil, that is, petroleum, traditionally mined unprocessed petroleum is referred to as crude oil directly from oil well, it be it is a kind of by
The dark brown of various hydro carbons compositions or the combustible of dirty-green viscous liquid state or semisolid.Crude oil needed before refining by
Desalting and dewatering, the method generallyd use are crude oil electric desalting, and inorganic salts in crude oil are dissolved into water by way of water filling, are led to
It crosses and cuts water discharge, make oil, water, inorganic salts separation.Amount containing inorganic salts reaches 300mg/L or so in crude oil, and being dissolved into water makes water
Total salt index in 2000mg/L or more, or even 10000mg/L can be exceeded.Water 30t per hour is cut in electro-desalting, and amount is big and contains
Salt is high, will appear the situation with oil when the de- effect of electricity is unstable.Current processing mode is to drain by the way that elevator pump is directly outer
Sewage treatment plant causes sewage treatment plant's processing load increase, process cycle big compared with long and processing difficulty, and processing cost is high, together
Shi Zaocheng sump oil is stockpiled in sewage treatment plant for a long time, the aqueous height of the sump oil, and freshening difficulty is big.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is that provide a kind of draining of crude oil electric desalting processing method and
System, the processing method provided by the present invention makes the sump oil in crude oil electric desalting draining obtain effective freshening, and displacement is bright
It is aobvious to reduce.
The present invention provides a kind of processing methods of crude oil electric desalting draining, comprising the following steps:
A) draining of electrical oil dewatering tank is reacted in a mixer with auxiliary agent；The auxiliary agent includes reverse demulsifier and/or oil
Water release agent；
B) step A) in reaction after water outlet enter cut water surge tank carry out water-oil separating；
C when) the water outlet salt content after the water-oil separating is less than 5000mg/L, the water outlet after water-oil separating is to be not less than
The flow whole re-injection of 30t/h is in electrical oil dewatering tank；
When water outlet salt content after the water-oil separating is not less than 5000mg/L, the water outlet and dilution water after water-oil separating are mixed
It closes and obtains mixing water outlet of the salt content less than 5000mg/L, the mixing water outlet is with the flow re-injection not less than 30t/h in crude oil
The de- tank of electricity；
Sump oil re-injection after the water-oil separating is in the electrical oil dewatering tank.
Preferably, the water flow of the draining of the electrical oil dewatering tank is 30~40t/h.
Preferably, the concentration of auxiliary agent is 5~15ppm in the mixer.
Preferably, step A) in, the temperature of the reaction is not more than 50 DEG C；The time of the reaction is 45~60min.
Preferably, step B) in, the time of the water-oil separating is not less than 1h.
The present invention also provides a kind of processing systems of crude oil electric desalting draining, comprising:
Electrical oil dewatering tank；
Auxiliary agent filling tank；
Mixer；The mixer is provided with electro-desalting drain inlet and auxiliary agent import, the electro-desalting row of the mixer
Water inlet is connected with the drain outlet of the electrical oil dewatering tank；The outlet phase of the auxiliary agent import of the mixer and the auxiliary tank
Even；
Water surge tank is cut with what the outlet of the mixer was connected；It is described cut water surge tank cut water out and the crude oil
The water inlet of cutting of the de- tank of electricity is connected；The freshening oil inlet phase of the sump oil outlet and the electrical oil dewatering tank for cutting water surge tank
Even.
It preferably, further include auxiliary agent pump；
The auxiliary agent pump is for sending the auxiliary agent in the auxiliary agent filling tank into mixer.
It preferably, further include cutting water re-injection pump；
The water re-injection pump of cutting is for by the water outlet re-injection for cutting water surge tank to the electrical oil dewatering tank.
Preferably, the processing system further includes dilution water pump；
The dilution water pump is for mixing dilution water with the water outlet for cutting water surge tank.
Preferably, the processing system further includes sump oil re-injection pump；
The sump oil re-injection pumps the sump oil re-injection for that will cut the discharge of water surge tank to the electrical oil dewatering tank.
The present invention provides a kind of processing methods of crude oil electric desalting draining, comprising the following steps: A) electrical oil dewatering tank
Draining is reacted in a mixer with auxiliary agent；The auxiliary agent includes reverse demulsifier and/or oil-water separating agent；B) step A) in reaction
Water outlet afterwards, which enters, cuts the progress water-oil separating of water surge tank；C) the water outlet salt content after the water-oil separating is less than 5000mg/L
When, the water outlet after water-oil separating is with the flow whole re-injection not less than 30t/h in electrical oil dewatering tank；Going out after the water-oil separating
When water salt content is not less than 5000mg/L, water outlet and dilution water after water-oil separating are mixed to get salt content less than 5000mg/L's
Mixing water outlet, the mixing water outlet is with the flow re-injection not less than 30t/h in electrical oil dewatering tank；Sump oil after the water-oil separating
Re-injection is in the electrical oil dewatering tank.The processing method provided by the present invention returns the sump oil in crude oil electric desalting draining effectively
Refining, and displacement is substantially reduced.
Detailed description of the invention
Fig. 1 is the processing system figure for the crude oil electric desalting draining that one embodiment of the present of invention provides.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
The present invention provides a kind of processing methods of crude oil electric desalting draining, comprising the following steps:
A) draining of electrical oil dewatering tank is reacted in a mixer with auxiliary agent；The auxiliary agent includes reverse demulsifier and/or oil
Water release agent；
B) step A) in reaction after water outlet enter cut water surge tank carry out water-oil separating；
C when) the water outlet salt content after the water-oil separating is less than 5000mg/L, the water outlet after water-oil separating is to be not less than
The flow whole re-injection of 30t/h is in electrical oil dewatering tank；
When water outlet salt content after the water-oil separating is not less than 5000mg/L, the water outlet and dilution water after water-oil separating are mixed
It closes and obtains mixing water outlet of the salt content less than 5000mg/L, the mixing water outlet is with the flow re-injection not less than 30t/h in crude oil
The de- tank of electricity；
Sump oil re-injection after the water-oil separating is in the electrical oil dewatering tank.
In the present invention, crude oil electric desalting is carried out in the electrical oil dewatering tank.Draining and auxiliary agent after crude oil electric desalting is mixed
It comes into full contact with, react in clutch.The auxiliary agent includes reverse demulsifier and/or oil-water separating agent.
In certain embodiments of the present invention, the water flow of the draining of the electrical oil dewatering tank is 30~40t/h.In this hair
In bright some embodiments, the concentration of auxiliary agent is 5~15ppm in the mixer.
In certain embodiments of the present invention, the temperature of the reaction is not more than 50 DEG C；The time of the reaction be 45~
60min。
Water outlet after reaction, which enters, cuts the progress water-oil separating of water surge tank.In certain embodiments of the present invention, the oil
The time of water separation is not less than 1h.
When water outlet salt content after the water-oil separating is less than 5000mg/L, the water outlet after water-oil separating is to be not less than 30t/
The flow whole re-injection of h is re-used for crude oil electric desalting in electrical oil dewatering tank.
When water outlet salt content after the water-oil separating is not less than 5000mg/L, the water outlet and dilution water after water-oil separating are mixed
It closes and obtains mixing water outlet of the salt content less than 5000mg/L, the mixing water outlet is with the flow re-injection not less than 30t/h in crude oil
The de- tank of electricity.In certain embodiments of the present invention, the flow to meet mixing water outlet of the re-injection in the electrical oil dewatering tank is
30t/h, the mixing water outlet having more carry out outlet.Thus, the displacement of electro-desalting draining is substantially reduced.
In certain embodiments of the present invention, the dilution water can be mixed by the water outlet after dilution water pump and water-oil separating
It closes.In certain embodiments of the present invention, the dilution water is submarine discharge purified water, specifically can be to set in petrochemical plant area
The purification pipe network set.
In the present invention, the sump oil re-injection after the water-oil separating is in the electrical oil dewatering tank.In an embodiment of the present invention,
Water content is less than 2wt% in sump oil after the water-oil separating.
The present invention also provides the processing system that a kind of processing method of crude oil electric desalting draining described above uses, packets
It includes:
Electrical oil dewatering tank；
Auxiliary agent filling tank；
Mixer；The mixer is provided with electro-desalting drain inlet and auxiliary agent import, the electro-desalting row of the mixer
Water inlet is connected with the drain outlet of the electrical oil dewatering tank；The outlet phase of the auxiliary agent import of the mixer and the auxiliary tank
Even；
Water surge tank is cut with what the outlet of the mixer was connected；It is described cut water surge tank cut water out and the crude oil
The water inlet of cutting of the de- tank of electricity is connected；The freshening oil inlet phase of the sump oil outlet and the electrical oil dewatering tank for cutting water surge tank
Even.
Fig. 1 is the processing system figure for the crude oil electric desalting draining that one embodiment of the present of invention provides.
The processing system of crude oil electric desalting draining provided by the invention includes electrical oil dewatering tank.The electrical oil dewatering tank is used for
Crude oil electric desalting.The present invention has no special limitation to the structure of the electrical oil dewatering tank, using known to those skilled in the art
Electrical oil dewatering tank.The present invention has no special limitation to the source of the electrical oil dewatering tank, can be general commercially available
Electrical oil dewatering tank.In certain embodiments of the present invention, the basal diameter of the electrical oil dewatering tank is 3.6m, a height of 16m.
In an embodiment of the present invention, the electrical oil dewatering tank be provided with crude oil import, freshening oil inlet, cut water inlet,
Crude exports after electro-desalting drain outlet and electricity are de-.Crude oil after desalination adds via the de- rear crude exports discharge of electricity into subsequent
Tooling is set.
The processing system of crude oil electric desalting draining provided by the invention further includes auxiliary agent filling tank.The auxiliary agent filling tank is used
In auxiliary agent is added into the mixer.The component of the auxiliary agent is same as above, and details are not described herein.
In an embodiment of the present invention, the auxiliary agent filling tank can be commercially available auxiliary agent chemicals dosing plant, specifically can be with
For model HJYZ-2 × 1-16/0.63 × 2-DB auxiliary agent chemicals dosing plant of Hangzhou great Quan Beng Ye Science and Technology Ltd. production.
In certain embodiments of the present invention, the processing system of the crude oil electric desalting draining further includes auxiliary agent pump.It is described
Auxiliary agent pump is for sending the auxiliary agent in the auxiliary agent filling tank into mixer.In certain embodiments of the present invention, the auxiliary agent
Pump is injection pump.The present invention has no special limitation to the source of the injection pump, can be general commercially available injection pump.
The processing system of crude oil electric desalting draining provided by the invention further includes mixer.It is de- that the mixer is provided with electricity
Salt drain inlet and auxiliary agent import, the drain outlet phase of the electro-desalting drain inlet of the mixer and the electrical oil dewatering tank
Even；The auxiliary agent import of the mixer is connected with the outlet of the auxiliary tank.Draining after electro-desalting is mixed with auxiliary agent described
It is mixed in device.
In an embodiment of the present invention, the mixer is static mixer, can be general commercially available.
The processing system of crude oil electric desalting draining provided by the invention further includes cutting water surge tank.It is described cut water surge tank with
The outlet of the mixer is connected.The water surge tank of cutting is provided with import, cuts water out and sump oil outlet.In reality of the invention
It applies in example, the import for cutting water surge tank is connected with the outlet of the mixer.The water outlet of the mixer is cut described in entering
In water surge tank, comes into full contact with, reacts in described cut in water surge tank, by the Water-In-Oil or oil-in-water emulsified state in electric dewatering and drainage
Break, by water-oil separating.
The water out of cutting for cutting water surge tank is connected with the water inlet of cutting of the electrical oil dewatering tank.
The sump oil outlet for cutting water surge tank is connected with the freshening oil inlet of the electrical oil dewatering tank.
The present invention has no special limitation to the structure for cutting water surge tank, using use well known to those skilled in the art
In the surge tank for cutting water.The present invention has no special limitation to the source for cutting water surge tank, can be general commercially available
For cutting the surge tank of water.In an embodiment of the present invention, the basal diameter for cutting water surge tank is 2.8m, a height of
11.3m。
In certain embodiments of the present invention, described to cut cutting to be provided at water out and cutting water sampling mouth for water surge tank.With
Convenient for the water outlet salt content (and the salt content for cutting water) after analysis water-oil separating.
In certain embodiments of the present invention, the processing system of the crude oil electric desalting draining further includes cutting water re-injection pump.
The water re-injection pump of cutting is for by the water outlet re-injection for cutting water surge tank to the electrical oil dewatering tank.
In certain embodiments of the present invention, the water re-injection pump of cutting is injection pump.The present invention carrys out the injection pump
Source has no special limitation, can be general commercially available injection pump.
In certain embodiments of the present invention, the processing system of the crude oil electric desalting draining further includes dilution water pump.Institute
Dilution water pump is stated for mixing dilution water with the water outlet for cutting water surge tank.
In certain embodiments of the present invention, the dilution water pump is injection pump.Source of the present invention to the injection pump
Special limitation is had no, can be general commercially available injection pump.
In an embodiment of the present invention, the water outlet after the water-oil separating (and cut water surge tank cut water) salt content is small
When 5000mg/L, the water outlet after water-oil separating is pumped by cutting water re-injection to be not less than the flow whole re-injection of 30t/h in crude oil
The de- tank of electricity.
When water outlet (and cut water surge tank cut water) salt content after the water-oil separating is not less than 5000mg/L, grease
Water outlet and dilution water after separation are mixed to get mixing of the salt content less than 5000mg/L and are discharged, and the mixing water outlet is by cutting water
Re-injection pump is with the flow re-injection not less than 30t/h in electrical oil dewatering tank.
In certain embodiments of the present invention, the dilution water is submarine discharge purified water, specifically can be petrochemical plant
The purification pipe network being arranged in area.
In certain embodiments of the present invention, the processing system of the crude oil electric desalting draining further includes sump oil re-injection pump.
The sump oil re-injection pumps the sump oil re-injection for that will cut the discharge of water surge tank to the electrical oil dewatering tank.So that delaying from the water of cutting
The sump oil for rushing tank discharge is back to electrical oil dewatering tank again.
In certain embodiments of the present invention, the sump oil re-injection pump is injection pump.The present invention carrys out the injection pump
Source has no special limitation, can be general commercially available injection pump.
The present invention provides a kind of processing methods of crude oil electric desalting draining, comprising the following steps: A) electrical oil dewatering tank
Draining is reacted in a mixer with auxiliary agent；The auxiliary agent includes reverse demulsifier and/or oil-water separating agent；B) step A) in reaction
Water outlet afterwards, which enters, cuts the progress water-oil separating of water surge tank；C) the water outlet salt content after the water-oil separating is less than 5000mg/L
When, the water outlet after water-oil separating is with the flow whole re-injection not less than 30t/h in electrical oil dewatering tank；Going out after the water-oil separating
When water salt content is not less than 5000mg/L, water outlet and dilution water after water-oil separating are mixed to get salt content less than 5000mg/L's
Mixing water outlet, the mixing water outlet is with the flow re-injection not less than 30t/h in electrical oil dewatering tank；Sump oil after the water-oil separating
Re-injection is in the electrical oil dewatering tank.The processing method provided by the present invention returns the sump oil in crude oil electric desalting draining effectively
Refining, and displacement is substantially reduced.
The above description of the embodiment is only used to help understand the method for the present invention and its core ideas.It should be pointed out that pair
For those skilled in the art, without departing from the principle of the present invention, the present invention can also be carried out
Some improvements and modifications, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (10)
1. a kind of processing method of crude oil electric desalting draining, which comprises the following steps:
A) draining of electrical oil dewatering tank is reacted in a mixer with auxiliary agent；The auxiliary agent includes reverse demulsifier and/or grease point
From agent；
B) step A) in reaction after water outlet enter cut water surge tank carry out water-oil separating；
C when) the water outlet salt content after the water-oil separating is less than 5000mg/L, the water outlet after water-oil separating is to be not less than 30t/h
The re-injection of flow whole in electrical oil dewatering tank；
When water outlet salt content after the water-oil separating is not less than 5000mg/L, the water outlet after water-oil separating is mixed with dilution water
Mixing to salt content less than 5000mg/L is discharged, and the mixing water outlet is with the flow re-injection not less than 30t/h in electrical oil dewatering
Tank；
Sump oil re-injection after the water-oil separating is in the electrical oil dewatering tank.
2. the processing method of crude oil electric desalting draining according to claim 1, which is characterized in that the electrical oil dewatering tank
The water flow of draining is 30~40t/h.
3. the processing method of crude oil electric desalting draining according to claim 1, which is characterized in that auxiliary agent in the mixer
Concentration be 5~15ppm.
4. the processing method of crude oil electric desalting draining according to claim 1, which is characterized in that step A) in, it is described anti-
The temperature answered is not more than 50 DEG C；The time of the reaction is 45~60min.
5. the processing method of crude oil electric desalting draining according to claim 1, which is characterized in that step B) in, the oil
The time of water separation is not less than 1h.
6. a kind of processing system of crude oil electric desalting draining characterized by comprising
Electrical oil dewatering tank；
Auxiliary agent filling tank；
Mixer；The mixer is provided with electro-desalting drain inlet and auxiliary agent import, the electro-desalting of the mixer drain into
Mouth is connected with the drain outlet of the electrical oil dewatering tank；The auxiliary agent import of the mixer is connected with the outlet of the auxiliary tank；
Water surge tank is cut with what the outlet of the mixer was connected；It is described cut water surge tank cut water out and the electrical oil dewatering
The water inlet of cutting of tank is connected；The sump oil outlet for cutting water surge tank is connected with the freshening oil inlet of the electrical oil dewatering tank.
7. the processing system of crude oil electric desalting draining according to claim 6, which is characterized in that further include auxiliary agent pump；
The auxiliary agent pump is for sending the auxiliary agent in the auxiliary agent filling tank into mixer.
8. the processing system of crude oil electric desalting draining according to claim 6, which is characterized in that further include cutting water re-injection
Pump；
The water re-injection pump of cutting is for by the water outlet re-injection for cutting water surge tank to the electrical oil dewatering tank.
9. the processing system of crude oil electric desalting draining according to claim 6, which is characterized in that the processing system is also wrapped
Include dilution water pump；
The dilution water pump is for mixing dilution water with the water outlet for cutting water surge tank.
10. the processing system of crude oil electric desalting draining according to claim 6, which is characterized in that the processing system is also
It is pumped including sump oil re-injection；
The sump oil re-injection pumps the sump oil re-injection for that will cut the discharge of water surge tank to the electrical oil dewatering tank.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910768442.3A CN110467941A (en) | 2019-08-20 | 2019-08-20 | A kind of processing method and system of crude oil electric desalting draining |
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| CN201910768442.3A CN110467941A (en) | 2019-08-20 | 2019-08-20 | A kind of processing method and system of crude oil electric desalting draining |
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|---|---|---|---|---|
| CN104058525A (en) * | 2014-07-01 | 2014-09-24 | 中国天辰工程有限公司 | Method for recovering and treating production wastewater containing high ammonia nitrogen and nitrate nitrogen |
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-
2019
- 2019-08-20 CN CN201910768442.3A patent/CN110467941A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104058525A (en) * | 2014-07-01 | 2014-09-24 | 中国天辰工程有限公司 | Method for recovering and treating production wastewater containing high ammonia nitrogen and nitrate nitrogen |
| CN107417028A (en) * | 2017-05-23 | 2017-12-01 | 江苏金门能源装备有限公司 | A kind of processing equipment and processing method of electric field acceleration extract and separate oil-polluted water |
| CN108929716A (en) * | 2017-05-26 | 2018-12-04 | 中国石油天然气股份有限公司 | crude oil desalting system and method |
| CN109970146A (en) * | 2019-04-11 | 2019-07-05 | 山东聚兴新材料科技有限公司 | A kind of oil-water separating agent handling oily waste water and its application in crude oil electric desalting drainage sunk well |
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| Title |
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Application publication date: 20191119 |
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