CN106746033A - A kind of handling process of the shale gas exploitation waste water based on membrane technology - Google Patents
A kind of handling process of the shale gas exploitation waste water based on membrane technology Download PDFInfo
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- CN106746033A CN106746033A CN201710113887.9A CN201710113887A CN106746033A CN 106746033 A CN106746033 A CN 106746033A CN 201710113887 A CN201710113887 A CN 201710113887A CN 106746033 A CN106746033 A CN 106746033A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/12—Controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/041—Treatment of water, waste water, or sewage by heating by distillation or evaporation by means of vapour compression
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
The invention discloses a kind of handling process of the shale gas exploitation waste water based on membrane technology, described shale gas exploitation waste water is collected in concentration basin, its pH value is 7~9, oxygen demand is less than or equal to 435ppm, iron ion content is less than or equal to 6.2ppm, potassium content is less than or equal to 152ppm, sodium ions content is less than or equal to 8330ppm, strontium ion content is less than or equal to 79ppm, zinc ion content is less than or equal to 0.1ppm, chloride is less than or equal to 13300ppm, ammonia-nitrogen content is less than or equal to 33.3ppm, the handling process includes the concentration for carrying out successively, tubular nanofiltration membrane is separated and reverse osmosis membrane separation, indirect steam mechanical compress evaporation is finally carried out to concentrated water, recovering crystals.Handling process of the invention eliminates pretreatment and the biochemical steps of traditional handicraft, has saved production cost, is discharged with the no pollution that relatively low cost is realized truly.
Description
Technical field
The present invention relates to a kind of handling process of the shale gas exploitation waste water based on membrane technology.
Background technology
Shale gas are a kind of cleaning, low-carbon (LC), Unconventional gas assigned with absorption, dissolving, free state in mud shale
Resource.Shale gas exploitation has the advantages that production life of well is long, yield is high and the production cycle is long, it has also become Global Oil and Gas Resources are explored
The new highlight of exploitation.Extensive hydraulic fracturing being used shale gas well, its know-why is the intrinsic fracture or people using reservoir more
For induction produces Fracture System, the fracturing fluid containing various additives to inject stratum under high pressure, further expand reservoir
Fracture network, then improve Reservoir Fracture network system by proppant supporting crack, so as to reach the purpose of volume increase.Wherein,
Based on riverfrac treatment, riverfrac treatment liquid low cost, rock permeability is high, be easy to thoroughly cleaning enter gas-bearing formation, especially hypotonic
Good effect is shown in saturating oil-gas reservoir reservoir reconstruction.However, riverfrac treatment has the disadvantage that：1. horizontal well and hydraulic fracturing
Technology needs to consume substantial amounts of freshwater resources；2. the waste liquid that shale gas exploitation is produced includes complicated composition, such as heavy metal, dirt
Deng；3. methane can discharge into water body and pollute as the main component of natural gas.Therefore, shale gas exploitation is to fresh water
Wilderness demand forms competition with agricultural and service water, exacerbates the present situation of freshwater resources shortage.
Underground water pollution is another big problem faced in shale gas exploitation, and according to the statistics of Ministry of Land and Resources, China is
Underground water through having 90% is contaminated, and underground water pollution may enter food by agricultural irrigation, and be eaten by people, endangers people
It is healthy.
From suitable mode to shale gas exploitation waste water recycling device, be both protect China good ecology of water, from
The need for right environment, the need for being also stable development national economy.
Membrane separation technique it is integrated due to without phase transformation, low energy consumption, EM equipment module, it is easy and safe to operate, start that fast, operation can
By property is high, free from environmental pollution, small investment the advantages of, and be widely used in each field separation and purification for material.Useless
Water harnessing aspect, membrane separation technique has obtained extensive attention, for high concentration organic waste as shale gas exploitation waste water
Water, conventional technological process is Filtration-Precipitation-RO film process, although this processing mode simple structure, easy to operate, meeting
Have the following disadvantages：First, the organic sewage after filtering enters sedimentation basin, through precipitation, substantial amounts of mud is produced in sedimentation basin, carries
The high cost for individually carrying out sludge treatment；In addition, the ability of the processing mode treatment pollutant of filtering+precipitate combination is low, warp
Production fluid after filtering and precipitation still contains substantial amounts of pollutant and colloid, when RO film process is carried out, easily causes RO films
Block, make the reduction of RO film process efficiency.For above-mentioned situation, those skilled in the art propose using biochemical-physical-RO films again
Process carries out high concentration organic sewage treatment.This processing mode complex process, holds when the concentration of organic wastewater is improved
The treatment for pollutant easily occur is not thorough, it is difficult to reach the standard of reuse.Wastewater treatment is carried out using membrane separation and integration technology
One difficult point is how to reduce separating step, and the concentrate after UF membrane is processed while simplifying operation, is realized real
No pollution discharge in meaning.
The content of the invention
The invention provides a kind of handling process of the shale gas exploitation waste water based on membrane technology, it is used to solve to simplify treatment
The problem that technique and no pollution discharge can not take into account.
In order to solve the above-mentioned technical problem, the technical scheme is that：
A kind of handling process of the shale gas exploitation waste water based on membrane technology, described shale gas exploitation waste water is collected in
In concentration basin, its pH value is 7~9, and oxygen demand is less than or equal to 435ppm, and iron ion content is less than or equal to 6.2ppm, and potassium ion contains
Amount is less than or equal to 152ppm, and sodium ions content is less than or equal to 8330ppm, and strontium ion content is less than or equal to 79ppm, zinc ion content
Less than or equal to 0.1ppm, chloride is less than or equal to 13300ppm, and ammonia-nitrogen content is less than or equal to 33.3ppm, the handling process bag
Include and (1) concentrate：In concentration basin, chemical reagent is added to make precipitation by metallic ion so that the total hardness of the shale gas exploitation waste water
Less than 50ppm, regulation pH value is also as follows including being carried out successively to the shale gas exploitation waste water after (1) step is processed to 6~9
The treatment of step：
(2) tubular nanofiltration membrane is separated：The shale gas exploitation waste water after (1) step is processed is passed through tubular nanofiltration membrane and sets
It is standby, the flow of the shale gas exploitation waste water is kept in 1~1.2m3/ h, carries out separating acquisition permeate and concentrate, the pipe
The selection of formula nano-filtration membrane equipment can retain organic matter and high valence ion and allow monovalent ion pass through NF membrane, the concentration of gained
A part for liquid is circulated in the tubular nanofiltration membrane equipment, and remainder is back in concentration basin；
(3) reverse osmosis membrane separation：The reverse osmosis membrane separation is that the permeate for making tubular nanofiltration membrane separating obtained is continued through
Reverse osmosis membrane separation system carries out reverse osmosis membrane separation and obtains concentrated water and produce water, and the product water that reverse osmosis membrane separation is obtained can be used directly
In shale gas riverfrac treatment technique, the concentrated solution discharge for keeping reverse osmosis membrane separation to obtain is 0.25m3/ h enters indirect steam machine
Tool Compression Evaporation device, the condensed recovery of steam can be directly used for shale gas riverfrac treatment technique, and crystal is reclaimed after separating.
The reverse osmosis membrane separation system includes feed liquor pumping system, reverse osmosis membrane apparatus and concentrate cycle bleeder system
System, the feed liquor pumping system includes low pressure pump system and high pressure pump system, and the low pressure pump system includes ultrafiltration water tank, ultrafiltration water
Pump and cartridge filter, the step permeate that (2) tubular nanofiltration membrane is separate enter ultrafiltration water tank ultra-filtration water, then by ultrafiltration
Water pump enters cartridge filter, and particle of the particle diameter more than or equal to 5um in cartridge filter filtering permeate prevents bulky grain thing from entering
Enter reverse osmosis membrane apparatus, the high pressure pump system includes heat exchanger and high-pressure plunger pump, and the permeate after filtering is by heat exchanger
Temperature adjustment is carried out subsequently into high-pressure plunger pump, high-pressure plunger pump will transmit through liquid pump and enter reverse osmosis membrane apparatus, in high-pressure plunger
Dialysis goes out concentrated water and produces water in the presence of pump, the amount and adjustment pressure of concentrate cycle bleeder system control recycling waste water, control
The flow of concentrated water discharge is 0.25m3/ h, produces water and can be directly used for shale gas riverfrac treatment technique.
Preferably, step detailed process (1) is：Shale gas exploitation waste water is added in concentration basin chemical agent to be made
Most metal ion is converted into solid precipitation thing, and separation of solid and liquid is carried out by filter press, and gained liquid is back to dense
Contracting pond.
Preferably, the pollution index of control liquid is less than or equal to 3.
Preferably, the chemical substance is selected from sodium carbonate, NaOH or calcium oxide.
Preferably, the reverse osmosis membrane uses ductwork type permeable membrane.
Preferably, when carrying out tubular nanofiltration membrane separation, it is 4 to control permeate and concentration liquid proportional:1.
Preferably, the concentrate cycle bleeder system is stop valve, stop valve is arranged on the control counter-infiltration of concentrated water end
Pressure in film.
The present invention compared with prior art, with advantages below：Handling process of the invention eliminates the pre- of traditional handicraft
Treatment and biochemical steps, have saved production cost, are discharged with the no pollution that relatively low cost is realized truly.
Brief description of the drawings
Fig. 1 is the processing technological flow figure of the shale gas exploitation waste water based on membrane technology of a specific embodiment of the invention；
Fig. 2 is the processing technological flow figure of the reverse osmosis membrane separation of a specific embodiment of the invention；.
Specific embodiment
To enable the above objects, features and advantages of the present invention more obvious understandable, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.It should be noted that, accompanying drawing of the present invention is in the form of simplification and using non-essence
Accurate ratio, is only used to conveniently, lucidly aid in illustrating the purpose of the embodiment of the present invention.
The water quality of the shale gas exploitation waste water involved by the present embodiment is as follows：
PH value：7~9
Oxygen demand≤435ppm
Iron ion content≤6.2ppm
Potassium content≤152ppm
Sodium ions content≤8330ppm
Strontium ion content≤79ppm
Zinc ion content≤0.1ppm
Chloride≤13300ppm
Ammonia-nitrogen content≤33.3ppm
Referring to the technological process shown in Fig. 1 and Fig. 2, handling process key step of the present invention is as follows：
(1) concentrate：Shale gas exploitation waste water is added in concentration basin sodium carbonate, NaOH or calcium oxide makes major part
Metal ion be converted into solid precipitation thing so that the total hardness of the shale gas exploitation waste water is less than 50ppm and adjusting pH value
To 6~9, shale gas exploitation waste water carries out separation of solid and liquid by filter press, and gained liquid is back to concentration basin.Involved
Shale gas exploitation waste water is by after the treatment of above-mentioned handling process, water quality is as follows：
Oxygen demand≤300ppm
SDI15≤3
Iron ion content≤0.1ppm
Chloride≤0.05ppm
(2) tubular nanofiltration membrane is separated：Clear liquid after (1) step is processed is passed through tubular type nano-filtration membrane equipment, keeps the stream of clear liquid
Amount is in 1~1.2m3/ h, carries out separating acquisition permeate and concentrate.The tubular nanofiltration membrane equipment choosing can retain organic
Thing and high valence ion and allow the NF membrane that monovalent ion passes through, a part for the concentrate of gained sets in the tubular nanofiltration membrane
Standby middle circulation, remainder is back in concentration basin, and it is 4 to control permeate and concentration liquid proportional:1.
(3) reverse osmosis membrane separation：The reverse osmosis membrane separation is that the permeate for making tubular nanofiltration membrane separating obtained is continued through
Reverse osmosis membrane separation system carries out reverse osmosis membrane separation and obtains concentrated water and produce water, and the TDS for producing water that reverse osmosis membrane separation is obtained≤
1000ppm, can be directly used for shale gas riverfrac treatment technique, and the concentrated water flow for keeping reverse osmosis membrane separation to obtain is 0.25m3/h
Into indirect steam mechanical compress evaporator, the condensed recovery of steam can be directly used for shale gas riverfrac treatment technique, crystal
Reclaimed after separation.
The reverse osmosis membrane separation system includes feed liquor pumping system, reverse osmosis membrane apparatus and concentrate cycle bleeder system
System, the reverse osmosis membrane apparatus include low pressure pump system and high pressure pump system using ductwork type permeable membrane, the feed liquor pumping system,
The low pressure pump system includes ultrafiltration water tank, ultrafiltration water pump and cartridge filter, the step permeate that (2) tubular nanofiltration membrane is separate
Into ultrafiltration water tank ultra-filtration water, then enter cartridge filter, grain in cartridge filter filtering permeate by ultrafiltration water pump
Particle of the footpath more than or equal to 5um, prevents bulky grain thing from entering reverse osmosis membrane apparatus, and the high pressure pump system includes heat exchanger and height
Hydraulic plunger pump, the permeate after filtering carries out temperature adjustment subsequently into high-pressure plunger pump by heat exchanger, and high-pressure plunger pump will
Permeate pumps into reverse osmosis membrane apparatus, and dialysis goes out concentrated water and produces water, concentrate cycle bleeder system in the presence of high-pressure plunger pump
The amount and adjustment pressure of system control recirculated water, the flow for controlling concentrated water discharge is 0.25m3/ h, produces water and can be directly used for shale gas
Riverfrac treatment technique.
The concentrate cycle bleeder system is stop valve, and stop valve is arranged on the pressure in concentrated water end control reverse osmosis membrane
Power.
The cycles of concentration of NF membrane and reverse osmosis membrane is 4 times, the shale gas exploitation waste water by after above-mentioned handling process,
The rate of recovery is 75%.Handling process of the invention eliminates pretreatment and the biochemical steps of traditional handicraft, has saved production cost,
Discharged with the no pollution that relatively low cost is realized truly.
Those skilled in the art can carry out various changes and modification without deviating from spirit of the invention and model to invention
Enclose.So, if these modifications of the invention and modification belong within the scope of the claims in the present invention and its equivalent technologies, then
The present invention is also intended to including including these changes and modification.
Claims (7)
1. a kind of handling process of the shale gas exploitation waste water based on membrane technology, described shale gas exploitation waste water is collected in dense
In contracting pond, its pH value is 7~9, and oxygen demand is less than or equal to 435ppm, and iron ion content is less than or equal to 6.2ppm, potassium content
Less than or equal to 152ppm, sodium ions content is less than or equal to 8330ppm, and strontium ion content is less than or equal to 79ppm, and zinc ion content is small
In equal to 0.1ppm, chloride is less than or equal to 13300ppm, and ammonia-nitrogen content is less than or equal to 33.3ppm, and the handling process includes
(1) concentrate：In concentration basin, chemical reagent is added to make precipitation by metallic ion so that the total hardness of the shale gas exploitation waste water is small
In 50ppm, regulation pH value to 6~9, it is characterised in that also including to the shale gas exploitation waste water after (1) step is processed according to
The secondary treatment for carrying out following steps：
(2) tubular nanofiltration membrane is separated：The shale gas exploitation waste water after (1) step is processed is passed through tubular type nano-filtration membrane equipment, protects
The flow of the shale gas exploitation waste water is held in 1~1.2m3/ h, carries out separating acquisition permeate and concentrate, and the tubular type is received
Filter membrane equipment choosing can retain organic matter and high valence ion and allow monovalent ion pass through NF membrane, the concentrate of gained
A part is circulated in the tubular nanofiltration membrane equipment, and remainder is back in concentration basin；
(3) reverse osmosis membrane separation：The reverse osmosis membrane separation is that the permeate for making tubular nanofiltration membrane separating obtained continues through reverse osmosis
Permeable membrane piece-rate system carries out reverse osmosis membrane separation and obtains concentrated water and produce water, and the product water that reverse osmosis membrane separation is obtained can be directly used for page
Rock gas riverfrac treatment technique, the concentrated solution discharge for keeping reverse osmosis membrane separation to obtain is 0.25m3/ h enters indirect steam machinery pressure
Contracting evaporator, the condensed recovery of steam can be directly used for shale gas riverfrac treatment technique, and crystal is reclaimed after separating；
The reverse osmosis membrane separation system includes feed liquor pumping system, reverse osmosis membrane apparatus and concentrate cycle bleeder system, institute
Feed liquor pumping system is stated including low pressure pump system and high pressure pump system, the low pressure pump system include ultrafiltration water tank, ultrafiltration water pump and
Cartridge filter, the step permeate that (2) tubular nanofiltration membrane is separate enters ultrafiltration water tank ultra-filtration water, then by ultrafiltration water pump
Into cartridge filter, particle of the particle diameter more than or equal to 5um in cartridge filter filtering permeate, the high pressure pump system includes
Heat exchanger and high-pressure plunger pump, the permeate after filtering carry out temperature adjustment subsequently into high-pressure plunger pump by heat exchanger, high
Hydraulic plunger pump will transmit through liquid pump and enter reverse osmosis membrane apparatus, and dialysis goes out concentrated water and produces water, concentrate in the presence of high-pressure plunger pump
The amount and adjustment pressure of cycle bleeder system control recycling waste water, the flow for controlling concentrated water discharge is 0.25m3/ h, producing water can be straight
Connect for shale gas riverfrac treatment technique.
2. the handling process of the shale gas exploitation waste water based on membrane technology according to claim 1, it is characterised in that step
(1) detailed process is：Shale gas exploitation waste water is added in concentration basin chemical agent is converted into most metal ion
Solid precipitation thing, separation of solid and liquid is carried out by filter press, and gained liquid is back to concentration basin.
3. the handling process of the shale gas exploitation waste water based on membrane technology according to claim 2, it is characterised in that control
The pollution index of liquid is less than or equal to 3.
4. the handling process of the shale gas exploitation waste water based on membrane technology according to claim 2, it is characterised in that described
Chemical substance is selected from sodium carbonate, NaOH or calcium oxide.
5. the handling process of the shale gas exploitation waste water based on membrane technology according to claim 1, it is characterised in that described
Reverse osmosis membrane uses ductwork type permeable membrane.
6. the handling process of the shale gas exploitation waste water based on membrane technology according to claim 1, it is characterised in that carry out
When tubular nanofiltration membrane is separated, it is 4 to control permeate and concentration liquid proportional:1.
7. the handling process of the shale gas exploitation waste water based on membrane technology according to claim 1, it is characterised in that described
Concentrate cycle bleeder system is stop valve, and stop valve is arranged on the pressure in concentrated water end control reverse osmosis membrane.
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| CN107890761A (en) * | 2017-11-14 | 2018-04-10 | 合肥创想能源环境科技有限公司 | A kind of method that the industrial waste gas containing ammonia is handled using membrane separation technique |
| CN108117214A (en) * | 2017-12-25 | 2018-06-05 | 重庆大学 | Shale gas exploitation fracturing fluid Xun Huan tubulation evaporation minimizing processing method and equipment |
| CN108178363A (en) * | 2017-11-22 | 2018-06-19 | 中石化石油工程技术服务有限公司 | The total system and its integrated conduct method of shale gas field produced water |
| CN112679020A (en) * | 2020-12-25 | 2021-04-20 | 成都硕特环保科技有限公司 | Low-cost shale gas fracturing flowback fluid treatment system and treatment method |
| CN114873820A (en) * | 2022-05-27 | 2022-08-09 | 四川环科美能环保科技有限公司 | Treatment process of shale gas fracturing flowback fluid |
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| CN107890761A (en) * | 2017-11-14 | 2018-04-10 | 合肥创想能源环境科技有限公司 | A kind of method that the industrial waste gas containing ammonia is handled using membrane separation technique |
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| CN108117214A (en) * | 2017-12-25 | 2018-06-05 | 重庆大学 | Shale gas exploitation fracturing fluid Xun Huan tubulation evaporation minimizing processing method and equipment |
| CN108117214B (en) * | 2017-12-25 | 2021-02-26 | 重庆大学 | Shale gas exploitation fracturing flowback waste liquid circulating tube array evaporation reduction treatment method and equipment |
| CN112679020A (en) * | 2020-12-25 | 2021-04-20 | 成都硕特环保科技有限公司 | Low-cost shale gas fracturing flowback fluid treatment system and treatment method |
| CN114873820A (en) * | 2022-05-27 | 2022-08-09 | 四川环科美能环保科技有限公司 | Treatment process of shale gas fracturing flowback fluid |
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