CN108298709A - Steam generator separating at high temperature liquid ultrafiltration removes silicon treatment process except system on silicon and ultrafiltration - Google Patents
Steam generator separating at high temperature liquid ultrafiltration removes silicon treatment process except system on silicon and ultrafiltration Download PDFInfo
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- CN108298709A CN108298709A CN201810146568.2A CN201810146568A CN108298709A CN 108298709 A CN108298709 A CN 108298709A CN 201810146568 A CN201810146568 A CN 201810146568A CN 108298709 A CN108298709 A CN 108298709A
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- water
- pretreatment
- ultrafiltration
- silicon
- high temperature
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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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- 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
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- 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
Abstract
The present invention relates to steam generator separating at high temperature liquid ultrafiltration except system on silicon and ultrafiltration remove silicon treatment process, it is characterized in that steam generator separating at high temperature liquid enters pretreatment system, inorganic acid is added in preprocessing process makes ion silicon be converted into colloidal silicon and inertia silicon, and sewage is in pretreatment system by air supporting, precipitation, filtering.What is generated contains silicon sludge through precipitation, separation, press filtration, and solid focuses on, and pressing filtering liquid returns to pretreatment system and recycles.Pretreating sewage enters ultrafiltration system.The colloidal silicon in sewage is eliminated in ultrafiltration system production water；The concentrated water that ultrafiltration system generates returns to pretreatment system recycling；Most of concentrated water returns to pretreatment water tank and improves cross-flow inflow, after sewage silicone content reaches a certain concentration in pretreatment water tank, returns to pretreatment system recycling.By changing silicon, form reaches good and removes silicon effect the present invention in water, and easy to operate, small investment, operating cost is low, and water use efficiency is high.
Description
Technical field
The ultrafiltration that the present invention relates to a kind of ultrafiltration to be realized except system on silicon and based on the system removes silicon treatment process, belongs to water
Processing technology field.
Background technology
Oilfield sewage is back to steam generator by oil field injection and extraction technique to be had to alleviate the in short supply of clear water resource as one kind
Imitate behave.The separating liquid that oilfield sewage obtains after steam generator is handled is known as steam generator separating at high temperature liquid, largely
Silicate is present in ion or colloidal form in the separating liquid, and the temperature of steam generator separating at high temperature liquid is 95 DEG C, pH value
For 11-13, oil content >=10mg/L, silicone content >=850mg/L.If directly by steam generator separating at high temperature liquid direct reuse in
Steam injection steam generator will be formed these silicon compounds in steam generator separating at high temperature liquid fine and close and hard at high temperature
Silicon dirt seriously affect heat transfer efficiency and the safe operation of equipment it is difficult to be cleaned with common method.Therefore, steam generator
The removal of silicon becomes current urgent problem in separating at high temperature liquid.
Currently, common silicon removing method has coagulation to remove silicon process, is reverse osmosis except silicon process, ultrafiltration are except silicon process, ion exchange remove silicon
Method.Coagulation therein is except silicon process operating cost is high, takes up a large area；Reverse osmosis silicon process of removing is high to water temperature and water quality requirement, and water
Utilization rate is low；Ultrafiltration removes common organic ultrafiltration membrane in silicon process and can not be used at a high temperature of 95 DEG C；Ion-exchange is only suitable for taking off
Except the ion silicon in sewage.And there is sewage discharge, pollution environment in above-mentioned silicon removing method.
Invention content
It is existing except silicon effect when handling steam generator separating at high temperature liquid that the present invention is based on above-mentioned existing silicon removing methods
It is undesirable, water use efficiency is low, discharge environmental pollution by water a series of problems, such as explored；It is an object of the present invention to provide one
Kind removes system on silicon, the system reasonable, equipment cost with scientific structure design for the ultrafiltration of steam generator separating at high temperature liquid
It is low, easy to operate, operating cost is low and can realize the unlimited interior circular treatment of water；The second object of the present invention is to provide one
Kind removes silicon treatment process based on the ultrafiltration that the system is realized, the technique is except silicon effect is good, the processing mode of unlimited interior cycle ensures
The utilization rate of water reaches maximization, is truly realized sewage zero-discharge, energy saving more environmentally friendly.
The technical solution adopted by the present invention is as follows：
Steam generator separating at high temperature liquid ultrafiltration removes system on silicon, is characterized in that, structure includes：
Pretreatment system receives steam generator separating at high temperature liquid and carries out air supporting, precipitation, filtering successively to it, generates pre- place
Reason production water and sludge；
Ultrafiltration system receives pretreatment production water and via ultrafiltration membrance filter, obtains production water and concentrated water；
Press filteration system precipitates sludge, is detached, press filtration, isolating solid and pressing filtering liquid.
The ultrafiltration system includes the pretreatment water producing tank for receiving pretreatment production water, is connected to the pretreatment water producing tank
Ceramic super-filtering film and the water producing tank being connected with the ceramic super-filtering film via pipeline, a part of concentrated water after ultrafiltration via
First return line is connected with pretreatment system, and another part concentrated water after ultrafiltration is connected to pre- place via the second return line
Manage water producing tank；
The pretreatment water producing tank is connected via third return line with the pretreatment system；
The pressing filtering liquid of the press filteration system separation is back to pretreatment system via the 4th return line.
The ceramic filter membrane that the ceramic super-filtering film is 0.01-0.04 microns using aperture；One side is communicated with pair
It carries out the cleaning water tank of Membrane cleaning.
The pretreatment system includes air-flotation system, settling system and filtration system.
Steam generator separating at high temperature liquid ultrafiltration removes silicon treatment process, is characterized in that, comprises the following steps that：
S1, inorganic acid is added into steam generator separating at high temperature liquid, so that the pH value of separating liquid is maintained at 3-8, at this time separating liquid
In 90% or more ion silicon be converted into colloidal silicon and inertia silicon；
S2, separating liquid pass through air supporting, precipitation and filtration treatment successively in pretreatment system, and the pretreatment production water of generation enters in advance
It handles water producing tank and stores transfer, entering containing silicon sludge for generation precipitates separation in sludge-tank；
S3, pretreatment production water enter ultrafiltration system, the colloidal silicon in pretreatment production water are removed through ceramic super-filtering film, through ultrafiltration membrane
Production water enter water producing tank, be used for steam injection generator；The concentrated water of retention enters concentrated water case, carries out recycling processing；
A small amount of concentrated water is back to pretreatment system via the first return line in S4, concentrated water case, repeats the processing procedure of S2；
A large amount of concentrated waters are back to pretreatment water producing tank via the second return line in S5, concentrated water case, repeat the processing procedure of S3；
S6, when pre-processing, water silicon content is produced in the pretreatment in water producing tank and the silicone content of steam generator separating at high temperature liquid maintains an equal level
When, control pre-processes the pretreatment production water in water producing tank and enters pretreatment system via third return line, repeats the processing of S2
Process；
After siliceous sludge settling separation in S7, sludge-tank, press filtration, solid centralized processing, pressing filtering liquid warp are carried out via filter press
Pretreatment system is back to by the 4th return line, repeats S2 processing procedures.
In the S3, the membrane aperture of ceramic super-filtering film is 0.01-0.04 microns.
To pre-process water producing tank on the basis of the inflow of ceramic super-filtering film, the water yield of the ceramic super-filtering film accounts for described
The 6%-7.2% of inflow；The concentrated water amount that the concentrated water case is back to pretreatment system via the first return line accounts for the water inlet
The 0.7%-0.8% of amount；The concentrated water amount that the concentrated water case is back to pretreatment water producing tank via the second return line accounts for the water inlet
The 92%-93% of amount；Most of concentrated water can be made to return to pretreatment water producing tank by above-mentioned flow control and improve cross-flow inflow,
It effectively prevent ultrafiltration membrane knot bridging dirty.
The steam generator separating at high temperature liquid ultrafiltration of the present invention removes silicon treatment process except system on silicon and ultrafiltration, utilizes silicon difference
The conversion of form, achievees the purpose that except silicon.The treatment process of the present invention promotes ion silicon to turn in pretreatment stage addition inorganic acid
Colloidal silicon and inertia silicon are turned to, inertia silicon therein is removed by press filteration system, and colloidal silicon is detached by ultrafiltration system.Due to
The temperature of steam generator separating at high temperature liquid is 95 DEG C, pH value 11-13, oil content >=10mg/L, silicone content >=850mg/L,
Present invention employs high temperature resistant, corrosion resistant ceramic super-filtering films, and realize that big flow cross-flow separation is steamed by the selection of membrane aperture
Colloidal silicon in vapour generator separating at high temperature liquid, while the concentrated water generated enters recycling, whole system forms water
Closed loop circulating system, and the discharge of water is not present in entire process treatment process, water has reached to be utilized to greatest extent, is realized
The zero-emission of water truly, energy conservation and environmental protection are pollution-free.In addition, the ultrafiltration of the present invention removes system on silicon, operation is simple and reliable,
Small investment, operating cost is low, and ceramic super-filtering film can be cleaned after generating dirty block up with cleaning agents of membrane completely.
Description of the drawings
Fig. 1, steam generator separating at high temperature liquid ultrafiltration of the present invention remove system on silicon and process flow diagram.
Specific embodiment
The specific embodiment of the application is given below, is used for making the structure composition and technical process of the application further
It is described in detail.
Embodiment 1
Steam generator separating at high temperature liquid ultrafiltration removes system on silicon, and structure includes：For receiving steam generator separating at high temperature liquid
And carry out air supporting, precipitation, filtering successively to it, generate the pretreatment system of pretreatment production water and sludge；Reception comes from described
The pretreatment production water of pretreatment system simultaneously carries out ultrafiltration membrance filter to it, obtains the ultrafiltration system of production water and concentrated water；Reception comes from
It is the sludge through filling in the pretreatment and it is precipitated, detaches, press filtration, isolates the press filtration system of solid and pressing filtering liquid
System.The pretreatment system is made of air-flotation system, settling system and filtration system；The ultrafiltration system includes receiving pre- place
Manage the pretreatment water producing tank for producing water, the ceramic super-filtering film being connected to the pretreatment water producing tank and via pipeline and the ceramics
The water producing tank that ultrafiltration membrane is connected, a part of concentrated water after ultrafiltration are connected via the first return line with pretreatment system, warp
Another part concentrated water after ultrafiltration is connected to pretreatment water producing tank via the second return line；The pretreatment water producing tank is via
Three return lines are connected with the pretreatment system；The pressing filtering liquid of the press filteration system separation flows back via the 4th return line
To pretreatment system.The ceramic filter membrane that the ceramic super-filtering film is 0.01-0.04 microns using aperture；One side is connected to
There is the cleaning water tank that Membrane cleaning is carried out to it.
Embodiment 2
Steam generator separating at high temperature liquid ultrafiltration removes silicon treatment process, comprises the following steps that：
S1, hydrochloric acid or sulfuric acid are added into steam generator separating at high temperature liquid, the pH value of separating liquid is made to be maintained at 3-8, this time-division
90% or more ion silicon is converted into colloidal silicon and inertia silicon in chaotropic；
S2, separating liquid pass through air supporting, precipitation and filtration treatment successively in pretreatment system, and the pretreatment production water of generation enters in advance
It handles water producing tank and stores transfer, entering containing silicon sludge for generation precipitates separation in sludge-tank；
S3, pretreatment production water enter ultrafiltration system, the colloidal silicon in pretreatment production water are removed through ceramic super-filtering film, through ultrafiltration membrane
Production water enter water producing tank, be used for steam injection generator；The concentrated water of retention enters concentrated water case, carries out recycling processing；
A small amount of concentrated water is back to pretreatment system via the first return line in S4, concentrated water case, repeats the processing procedure of S2；
A large amount of concentrated waters are back to pretreatment water producing tank via the second return line in S5, concentrated water case, repeat the processing procedure of S3；
S6, when pre-processing, water silicon content is produced in the pretreatment in water producing tank and the silicone content of steam generator separating at high temperature liquid maintains an equal level
When, control pre-processes the pretreatment production water in water producing tank and enters pretreatment system via third return line, repeats the processing of S2
Process；
After siliceous sludge settling separation in S7, sludge-tank, press filtration, solid centralized processing, pressing filtering liquid warp are carried out via filter press
Pretreatment system is back to by the 4th return line, repeats S2 processing procedures.
In the S3, the membrane aperture of ceramic super-filtering film is 0.01-0.04 microns.
To pre-process water producing tank on the basis of the inflow of ceramic super-filtering film, the water yield of the ceramic super-filtering film accounts for described
The 6% of inflow；The concentrated water amount that the concentrated water case is back to pretreatment system via the first return line accounts for the inflow
0.7%；The concentrated water amount that the concentrated water case is back to pretreatment water producing tank via the second return line accounts for the 92% of the inflow；It is logical
Crossing above-mentioned flow control can make most of concentrated water return to pretreatment water producing tank raising cross-flow inflow, effectively prevent ultrafiltration membrane
Tie bridging dirt.
Embodiment 3
The present embodiment and embodiment 2 the difference is that
To pre-process water producing tank on the basis of the inflow of ceramic super-filtering film, the water yield of the ceramic super-filtering film accounts for the water inlet
The 7.2% of amount；The concentrated water amount that the concentrated water case is back to pretreatment system via the first return line accounts for the inflow
0.8%；The concentrated water amount that the concentrated water case is back to pretreatment water producing tank via the second return line accounts for the 93% of the inflow；It is logical
Crossing above-mentioned flow control can make most of concentrated water return to pretreatment water producing tank raising cross-flow inflow, effectively prevent ultrafiltration membrane
Tie bridging dirt.
The present invention with it is traditional except silicon treatment process compared with, have the characteristics that following：
1, the present invention utilizes the conversion of silicon different shape, achievees the purpose that except silicon.The invention promotees in pretreatment section addition inorganic acid
Ion silicon is set to be converted into colloidal silicon and inertia silicon.Inertia silicon is removed by press filteration system, and colloidal silicon is detached by ultrafiltration system.Instead
Answer mechanism as follows：
2, use ultrafiltration membrane for high temperature resistant, corrosion resistant ceramic membrane.95 DEG C, pH 11-13 of separating liquid temperature, oil content >=
10mg/L, silicone content >=800mg/L, common ultrafiltration membrane can not use.
3, ultrafiltration technology is using the colloidal silicon in big flow cross-flow separate vapour generator separating liquid, while the concentrated water generated
It recycles.
4, it after ultrafiltration technology is blocked up using ceramic membrane dirt, can be cleaned completely with cleaning agents of membrane.
5, the technique ensure that the utilization of water resource to greatest extent, and no waste is pollution-free, realizes the zero-emission of water.
Claims (7)
1. steam generator separating at high temperature liquid ultrafiltration removes system on silicon, it is characterized in that, structure includes：
Pretreatment system receives steam generator separating at high temperature liquid and carries out air supporting, precipitation, filtering successively to it, generates pre- place
Reason production water and sludge；
Ultrafiltration system receives pretreatment production water and via ultrafiltration membrance filter, obtains production water and concentrated water；
Press filteration system precipitates sludge, is detached, press filtration, isolating solid and pressing filtering liquid；
The ultrafiltration system includes receiving pretreatment to produce the pretreatment water producing tank of water, the ceramics being connected to the pretreatment water producing tank
Ultrafiltration membrane and the water producing tank being connected with the ceramic super-filtering film via pipeline, a part of concentrated water after ultrafiltration is via first
Return line is connected with pretreatment system, and another part concentrated water after ultrafiltration is connected to pretreatment production via the second return line
Water tank；
The pretreatment water producing tank is connected via third return line with the pretreatment system.
2. the pressing filtering liquid of the press filteration system separation is back to pretreatment system via the 4th return line.
3. steam generator separating at high temperature liquid ultrafiltration as described in claim 1 removes system on silicon, it is characterized in that
The ceramic filter membrane that the ceramic super-filtering film is 0.01-0.04 microns using aperture.
4. steam generator separating at high temperature liquid ultrafiltration as described in claim 1 removes system on silicon, it is characterized in that
The pretreatment system includes air-flotation system, settling system and filtration system.
5. steam generator separating at high temperature liquid ultrafiltration removes silicon treatment process, it is characterized in that
It comprises the following steps that：
S1, inorganic acid is added into steam generator separating at high temperature liquid, the pH value of separating liquid is adjusted to 3-8；
S2, separating liquid pass through air supporting, precipitation and filtration treatment successively in pretreatment system, and the pretreatment production water of generation enters in advance
It handles water producing tank and stores transfer, entering containing silicon sludge for generation precipitates separation in sludge-tank；
S3, pretreatment production water enter ultrafiltration system, the colloidal silicon in pretreatment production water are removed through ceramic super-filtering film, through ultrafiltration membrane
Production water enter water producing tank, be used for steam injection generator；The concentrated water of retention enters concentrated water case, carries out recycling processing；
A small amount of concentrated water is back to pretreatment system via the first return line in S4, concentrated water case, repeats the processing procedure of S2；
A large amount of concentrated waters are back to pretreatment water producing tank via the second return line in S5, concentrated water case, repeat the processing procedure of S3；
S6, when pre-processing, water silicon content is produced in the pretreatment in water producing tank and the silicone content of steam generator separating at high temperature liquid maintains an equal level
When, control pre-processes the pretreatment production water in water producing tank and enters pretreatment system via third return line, repeats the processing of S2
Process；
After siliceous sludge settling separation in S7, sludge-tank, press filtration, solid centralized processing, pressing filtering liquid warp are carried out via filter press
Pretreatment system is back to by the 4th return line, repeats S2 processing procedures.
6. steam generator separating at high temperature liquid ultrafiltration as claimed in claim 4 removes silicon treatment process, it is characterized in that
The membrane aperture of the ceramic super-filtering film is 0.01-0.04 microns.
7. steam generator separating at high temperature liquid ultrafiltration as claimed in claim 5 removes silicon treatment process, it is characterized in that
To pre-process water producing tank on the basis of the inflow of ceramic super-filtering film, the water yield of the ceramic super-filtering film accounts for the water inlet
The 6%-7.2% of amount；The concentrated water amount that the concentrated water case is back to pretreatment system via the first return line accounts for the inflow
0.7%-0.8%；The concentrated water amount that the concentrated water case is back to pretreatment water producing tank via the second return line accounts for the inflow
92%-93%。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146568.2A CN108298709A (en) | 2018-02-12 | 2018-02-12 | Steam generator separating at high temperature liquid ultrafiltration removes silicon treatment process except system on silicon and ultrafiltration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146568.2A CN108298709A (en) | 2018-02-12 | 2018-02-12 | Steam generator separating at high temperature liquid ultrafiltration removes silicon treatment process except system on silicon and ultrafiltration |
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| CN108298709A true CN108298709A (en) | 2018-07-20 |
Family
ID=62865489
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| CN201810146568.2A Pending CN108298709A (en) | 2018-02-12 | 2018-02-12 | Steam generator separating at high temperature liquid ultrafiltration removes silicon treatment process except system on silicon and ultrafiltration |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113716761A (en) * | 2021-11-02 | 2021-11-30 | 烟台洁通水处理技术有限公司 | Separating liquid ultrafiltration desiliconization equipment of steam generator |
| CN114394691A (en) * | 2022-03-28 | 2022-04-26 | 太原理工大学 | Device for efficiently and cleanly treating coal washing water without medicament |
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| FR2800367A1 (en) * | 1999-11-03 | 2001-05-04 | Air Liquide Electronics Sys | PROCESS FOR REMOVING SOLID PARTICLES, IN PARTICULAR SILICA AND / OR ALUMINA FROM AQUEOUS EFFLUENTS |
| CN101801513A (en) * | 2007-07-03 | 2010-08-11 | 水技术国际公司 | Method for treatment of high pH silica brines |
| WO2011095869A1 (en) * | 2010-02-02 | 2011-08-11 | Ansaldo Energia S.P.A. | Plant and method for producing demineralized water, in particular for use in plants for generation of electrical energy |
| US20150034556A1 (en) * | 2012-04-11 | 2015-02-05 | Jfe Engineering Corporation | Method and Apparatus for Treating Accompanied Water from A Well |
| CN107265735A (en) * | 2017-08-11 | 2017-10-20 | 山东招金膜天股份有限公司 | A kind of zero-emission recovery process of high salt silicon-containing wastewater |
-
2018
- 2018-02-12 CN CN201810146568.2A patent/CN108298709A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2800367A1 (en) * | 1999-11-03 | 2001-05-04 | Air Liquide Electronics Sys | PROCESS FOR REMOVING SOLID PARTICLES, IN PARTICULAR SILICA AND / OR ALUMINA FROM AQUEOUS EFFLUENTS |
| CN101801513A (en) * | 2007-07-03 | 2010-08-11 | 水技术国际公司 | Method for treatment of high pH silica brines |
| WO2011095869A1 (en) * | 2010-02-02 | 2011-08-11 | Ansaldo Energia S.P.A. | Plant and method for producing demineralized water, in particular for use in plants for generation of electrical energy |
| US20150034556A1 (en) * | 2012-04-11 | 2015-02-05 | Jfe Engineering Corporation | Method and Apparatus for Treating Accompanied Water from A Well |
| CN107265735A (en) * | 2017-08-11 | 2017-10-20 | 山东招金膜天股份有限公司 | A kind of zero-emission recovery process of high salt silicon-containing wastewater |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113716761A (en) * | 2021-11-02 | 2021-11-30 | 烟台洁通水处理技术有限公司 | Separating liquid ultrafiltration desiliconization equipment of steam generator |
| CN114394691A (en) * | 2022-03-28 | 2022-04-26 | 太原理工大学 | Device for efficiently and cleanly treating coal washing water without medicament |
| CN114394691B (en) * | 2022-03-28 | 2022-06-21 | 太原理工大学 | Device for efficiently and cleanly treating coal washing water without medicament |
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Application publication date: 20180720 |