CN202754872U - Brine treating system - Google Patents
Brine treating system Download PDFInfo
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- CN202754872U CN202754872U CN201220447332.0U CN201220447332U CN202754872U CN 202754872 U CN202754872 U CN 202754872U CN 201220447332 U CN201220447332 U CN 201220447332U CN 202754872 U CN202754872 U CN 202754872U
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Abstract
The utility model provides a brine treating system which comprises a raw material liquid tank, an extracting solution tank, a water collecting tank, a forward osmosis membrane assembly, a reverse osmosis membrane assembly, a membrane distillation assembly, a peristaltic pump, a high pressure pump, a heater and a condenser. The peristaltic pump inputs brine in the raw material liquid tank to a low osmosis pressure side of the forward osmosis membrane assembly, and an extracting solution enters a high osmosis pressure side of the forward osmosis membrane assembly; the extracting solution is subjected to forward osmosis and pressurization by the high pressure pump and then input to the high osmosis pressure side of the reverse osmosis membrane assembly, solutions penetrating a reverse osmosis membrane is heated by a heater and then input into the membrane distillation assembly for membrane distillation, water vapor penetrates through the membrane and is condensed by the condenser and then collected by the water collecting tank; and condensed solutions which don't penetrate through the reverse osmosis membrane are sent back to the raw material liquid tank, and salt can be separated out after repeated cycles. According to the brine treating system, the energy consumption is low, impressed pressure is not required in the processes of forward osmosis and membrane distillation, pollution to the membrane is small and easy to remove, and the salt and desalted water can be simultaneously obtained.
Description
Technical field
The utility model relates to water treatment field, is specifically related to a kind of brine treatment system.
Background technology
Along with world population and economic develop rapidly, tellurian water resources presents day by day deficient trend, and water resources crisis becomes the important factor of restriction social development progress.The Freshwater resources that can directly use on the earth at present only account for 0.77% of all water resourcess, and tellurian seawater resources are very abundant, more than 75% of the ball total area is taken up an area in the ocean, therefore seawater is desalinated to process having great importance to obtain the required Freshwater resources of daily life.In addition, the source that a large amount of salt content that are gathered in the earth's surface also can be used as fresh water greater than 5% table bittern or salt lake brine.
The comprehensive traditional embrane method water treatment procedure of traditional membrane water treatment equipment forms, and employing is super, the Nanofiltering membrane process is carried out the pre-treatment of bittern desalting, and reverse osmosis is as the core process of desalination, and electrodialysis guarantees water outlet purity as aftertreatment.But this kind membrane water treatment equipment energy consumption is higher, and film easily pollutes.Therefore, need a kind of novel brine treatment system of research and development.
The utility model content
The purpose of this utility model is to overcome the defective of prior art, and a kind of novel brine treatment system is provided.
Brine treatment of the present utility model system comprises: the raw material flow container, draw flow container, water collect tank, forward osmosis membrane assembly, reverse osmosis membrane assembly, membrane distillation assembly, peristaltic pump, high-pressure pump, well heater, condenser, wherein,
Described raw material flow container is used for the stock liquid that splendid attire need to be desalinated;
Described forward osmosis membrane component internal comprises forward osmosis membrane, and the Hyposmolality side at described forward osmosis membrane, described the first drain pipe that is just permeating assembly links to each other with described raw material flow container, the first liquid-inlet pipe joins by described peristaltic pump and described raw material flow container, and described peristaltic pump is inputted the stock liquid in the described raw material flow container in the described forward osmosis membrane assembly;
The described flow container that draws draws liquid for splendid attire, the described flow container that draws links to each other with the described assembly that just permeating by the second liquid-inlet pipe, the second drain pipe in the high osmotic pressure side of described forward osmosis membrane, and be connected to peristaltic pump on described the second drain pipe, so that described stock liquid and draw liquid the mode with cross-flow circulates in the both sides of described forward osmosis membrane;
In the described reverse osmosis membrane assembly reverse osmosis membrane is housed, high osmotic pressure side at described reverse osmosis membrane, described reverse osmosis membrane assembly joins, joins by the 3rd drain pipe and described raw material flow container by the 3rd liquid-inlet pipe and the described flow container that draws, and on described the 3rd liquid-inlet pipe high-pressure pump is set, draw liquid and enter into described reverse osmosis membrane assembly inside through described high-pressure pump, turn back in the described raw material flow container, until salt out through described the 3rd drain pipe through the concentrated liquid that draws that obtains after the reverse osmosis;
In the described membrane distillation assembly hydrophobic microporous membrane is housed, hot side at described hydrophobic microporous membrane, described membrane distillation assembly joins by the Hyposmolality side of the 4th liquid-inlet pipe and described reverse osmosis membrane assembly, join by the 4th drain pipe and the described flow container that draws, and at described the 4th liquid-inlet pipe described well heater is set, the solution that sees through reverse osmosis membrane is sent to after described heater heats in described the 4th liquid-inlet pipe in the described membrane distillation assembly, turns back to described drawing in the flow container through solution concentrated behind the membrane distillation through described the 4th drain pipe; Cold side at described hydrophobic microporous membrane, described membrane distillation assembly links to each other with described water collect tank by the 5th liquid-inlet pipe, the 5th drain pipe, and at described the 5th drain pipe condenser is set, the water vapor that sees through hydrophobic microporous membrane through membrane distillation enters into water collect tank after condensation becomes water, described water enters into the cold side of described hydrophobic microporous membrane through the 5th liquid-inlet pipe, the mode with cross-flow circulates so that the described solution that sees through reverse osmosis membrane and described water are in the both sides of described hydrophobic microporous membrane.
In another preference, described forward osmosis membrane is cellulose acetate forward osmosis membrane or the compound forward osmosis membrane of polymeric amide.
In another preference, described forward osmosis membrane is three-decker, comprises the dense layer surface, porous support layer and the grid supporting layer that set gradually.
In another preference, described reverse osmosis membrane is cellulose acetate membrane, aromatic series polyhydrazide film, aromatic polyamide film, and the diameter of described reverse osmosis membrane surface micropore is 0.5～10nm.
In another preference, described hydrophobic microporous membrane is polypropylene polytetrafluoroethylcomposite composite micro porous film, polyvinylidene fluoride microporous film, microporous polypropylene membrane or microporous teflon membran.
In another preference, described forward osmosis membrane assembly is board-like, rolling, tubular fibre formula or tubular type.
In another preference, described reverse osmosis membrane assembly is board-like, rolling, tubular fibre formula or tubular type.
In another preference, described membrane distillation assembly is board-like, rolling, tubular fibre formula or tubular type.
In another preference, be connected to recycle pump on described the 3rd drain pipe or the 4th drain pipe.
In another preference, be connected to recycle pump on described the 5th liquid-inlet pipe.
Brine treatment of the present utility model system, adopt full embrane method to carry out water treatment, adopt the positive osmose process of less energy-consumption and membrane distillation method to substitute respectively higher super, the nanofiltration membrane of traditional energy consumption and electrodialysis, greatly reduce energy expenditure, and the film of novel membrane process pollutes more traditional embrane method to be reduced greatly, thereby greatly improved the work-ing life of film, fundamentally reduced use cost.In addition, with the concentrated solution enrichment that reverse osmosis obtains, can from bittern, obtain the salt of separating out,, further can obtain lithium salts through the conventional techniques such as flotation.
In should be understood that in the utility model scope, above-mentioned each technical characterictic of the present utility model and can making up mutually between specifically described each technical characterictic in below (eg embodiment), thus consist of new or preferred technical scheme.As space is limited, this tired stating no longer one by one.
Description of drawings
Fig. 1 is the structural representation of brine treatment system.
Embodiment
Contriver of the present utility model is through further investigation, it is unexpected that discovery design a kind of novel brine treatment system, adopt positive osmose process and the membrane distillation method of less energy-consumption to substitute respectively higher the surpassing of traditional energy consumption, nanofiltration membrane and electrodialysis, greatly reduce energy expenditure, and the film of novel membrane process pollutes more traditional embrane method to be reduced greatly, thereby greatly improved the work-ing life of film, fundamentally reduced use cost, in addition, the concentrated solution enrichment that reverse osmosis is obtained, the salt of separating out can be from bittern, obtained, further lithium salts can be obtained through the conventional techniques such as flotation.On this basis, finished the utility model.
Bittern
" bittern " as herein described refers to that salt content is greater than 5% liquid mineral products.Be gathered in title table bittern or the salt lake brine on earth's surface.
Just permeate (Forward Osmosis, FO)
" infiltration " claims again just to permeate in sea water desaltination, desalination, water treatment field, is a pair of method reciprocal with reverse osmosis.Utilize the permeable pressure head of film both sides solution to be diffused into the higher side of osmotic pressure so that water molecules sees through film from the lower side of osmotic pressure, a side solution that wherein has than Hyposmolality is stock liquid, has solution than high osmotic pressure for drawing liquid.
Forward osmosis membrane be for positive process of osmosis only allow water molecules by and other ion is all had a polymeric membrane for separation of higher interception capacity, such as a series of separatory membranes that salt and macromole had higher rejection such as cellulose acetate forward osmosis membrane, the compound forward osmosis membrane of polymeric amide and commodity nanofiltration membrane.
Drawing liquid is single solute solution, and osmotic pressure is greater than the described osmotic pressure that needs the stock liquid of desalination.Describedly draw seawater or the much bigger single solute solution of high density of brackish water that liquid refers to the more required desalination of a kind of osmotic pressure, such as high salt concentration solution (such as sodium salt, sylvite, magnesium salts, lithium salts etc.), carbohydrate macromole solution (such as glucose, sucrose, lactose, maltose etc.) etc.As near the salts solutions such as the KCl salts solution of the 3-5M of saturation ratio, the KBr solution of 3-6M, the MgCl2 solution of 3-6M or the glucose solution of 3-5M, the saccharide solutions such as sucrose solution of 3-6M.
Usually, permeable membrane element is for comprising two film chambers, and the Hyposmolality side and the high osmotic pressure that are positioned at described forward osmosis membrane are surveyed, and allows respectively stock liquid, draws liquid and flow therein, in the mode of cross-flow.
Reverse osmosis (Reverse Osmosis, RO)
Reverse osmosis claims again reverse osmosis, and is a kind of take pressure difference as impellent, isolates the membrane sepn operation of solvent from solution.Feed liquid to film one side is exerted pressure, and when pressure surpassed its osmotic pressure, solvent can be made inverse osmosis against the direction of naturally osmotic.Thereby the solvent that obtains seeing through in the low-tension side of film, i.e. penetrating fluid; The solution that the high-tension side obtains concentrating, i.e. concentrated solution.If use the reverse-osmosis treated seawater, obtain fresh water in the low-tension side of film, obtain bittern in the high-tension side.
Membrane distillation (Membrane Distillation, MD)
The membrane distillation process is the membrane process that utilizes the vapour pressure deficit of film both sides solution to separate, under the effect of vapour pressure deficit, volatile constituent in the feed liquid sees through film so that material is separated with vapor form, obtains required fresh water in the opposite side stream molecule condensation of film.
Particularly, one side of film directly contacts (being called hot side) with the pending solution of heat, opposite side contacts (being called cold side) with the cold aqueous solution directly or indirectly, vaporization enters cold side and is condensed into liquid phase by film volatile component at the face place in the hot side solution, other component tunicles are blocked in hot side, thereby realize separating.The temperature head of film both sides provides mass transfer required impellent.
Hydrophobic microporous membrane
Microporous membrane on structure, in be cavernous structure.Usually, pore diameter range is 0.1 micron to 10 microns.Be divided into wetting ability and hydrophobicity.For membrane distillation, adopt hydrophobic microporous membrane, be selected from: polypropylene polytetrafluoroethylcomposite composite micro porous film, polyvinylidene fluoride microporous film, microporous polypropylene membrane, microporous teflon membran etc.
Unless otherwise defined, the same meaning that employed all specialties and scientific words and one skilled in the art are familiar with in the literary composition.In addition, any method similar or impartial to described content and material all can be applicable in the utility model method.The usefulness that better implementation method described in the literary composition and material only present a demonstration.
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only are used for explanation the utility model and are not used in the scope of the present utility model that limits.The experimental technique of unreceipted actual conditions in the following example is usually according to normal condition or the condition of advising according to manufacturer.
As shown in Figure 1, brine treatment of the present utility model system, comprise: raw material flow container 1, draw flow container 7, water collect tank 22, forward osmosis membrane assembly 3, reverse osmosis membrane assembly 10, membrane distillation assembly 15, peristaltic pump 2, high-pressure pump 14, well heater 19, condenser 23, wherein
Described raw material flow container 1 is used for the stock liquid that splendid attire need to be desalinated;
Described forward osmosis membrane assembly 3 inside comprise forward osmosis membrane 4, and the Hyposmolality side at described forward osmosis membrane 4, described the first drain pipe 6 that is just permeating assembly links to each other with described raw material flow container 1, the first liquid-inlet pipe 5 joins with described raw material flow container 1 by described peristaltic pump 2, and described peristaltic pump 2 is used for the stock liquid in the described raw material flow container 1 is inputted in the described forward osmosis membrane assembly 3;
The described flow container 7 that draws draws liquid for splendid attire, the described flow container 7 that draws links to each other with the described assembly 3 that just permeating by the second liquid-inlet pipe 8, the second drain pipe 9 in the high osmotic pressure side of described forward osmosis membrane 4, and be connected to peristaltic pump 2 on described the second drain pipe 9, so that described stock liquid and draw liquid the mode with cross-flow circulates in the both sides of described forward osmosis membrane 4;
In the described reverse osmosis membrane assembly 10 reverse osmosis membrane 11 is housed, high osmotic pressure side at described reverse osmosis membrane 11, described reverse osmosis membrane assembly 10 joins with the described flow container 7 that draws by the 3rd liquid-inlet pipe 12, join with described raw material flow container 1 by the 3rd drain pipe 13, on described and described the 3rd liquid-inlet pipe 12 high-pressure pump 14 is set, draw liquid and enter into described reverse osmosis membrane assembly 10 inside through described high-pressure pump 14, turn back in the described raw material flow container 1 through described the 3rd drain pipe 13 through the concentrated liquid that draws that obtains after the reverse osmosis, by repeatedly enrichment, raw material flow container 1 is separated out contains lithium salts, sodium salt, the mixing salt of magnesium salts, by the floatation process of routine, can obtain lithium salts;
In the described membrane distillation assembly 15 hydrophobic microporous membrane 16 is housed, hot side at described hydrophobic microporous membrane 16, described membrane distillation assembly 15 joins by the 4th liquid-inlet pipe 17 and the Hyposmolality side of described reverse osmosis membrane assembly 10, join with the described flow container 7 that draws by the 4th drain pipe 18, and at described the 4th liquid-inlet pipe 17 described well heater 19 is set, the solution that sees through reverse osmosis membrane 11 is sent in the described membrane distillation assembly 15 after described well heater 19 heating described the 4th liquid-inlet pipe 17 is interior, turns back to described drawing in the flow container 7 through solution concentrated behind the membrane distillation through described the 4th drain pipe 18; Cold side at described hydrophobic microporous membrane 16, described membrane distillation assembly 15 links to each other with described water collect tank 22 by the 5th liquid-inlet pipe 20, the 5th drain pipe 21, and at described the 5th drain pipe 21 condenser 23 is set, the water vapor that sees through hydrophobic microporous membrane 16 through membrane distillation enters into water collect tank 22 after condensation becomes water, described water enters into the cold side of described hydrophobic microporous membrane 16 through the 5th liquid-inlet pipe 20, the mode with cross-flow circulates so that the described solution that sees through reverse osmosis membrane 11 and described water are in the both sides of described hydrophobic microporous membrane 16.
Described forward osmosis membrane 4 has no particular limits, and adopts the conventional forward osmosis membrane that uses in this area all can reach effect of the present utility model, as selects cellulose acetate forward osmosis membrane or the compound forward osmosis membrane of polymeric amide.
Preferably, described forward osmosis membrane 4 is three-decker, comprises the dense layer surface, porous support layer and the grid supporting layer that set gradually.
Described reverse osmosis membrane 11 has no particular limits, adopt the conventional reverse osmosis membrane that uses in this area all can reach effect of the present utility model, as select cellulose acetate membrane, polyhydrazide film (being preferably aromatic series polyhydrazide film) or aromatic polyamide film (being preferably the aromatic polyamide film), and the diameter of described reverse osmosis membrane surface micropore is 0.5～10nm.
Described hydrophobic microporous membrane 16 has no particular limits, adopt the conventional hydrophobic microporous membrane that is used for membrane distillation that uses in this area all can reach effect of the present utility model, as select and be polypropylene polytetrafluoroethylcomposite composite micro porous film, polyvinylidene fluoride microporous film, microporous polypropylene membrane or microporous teflon membran.
The forward osmosis membrane assembly 3 that the utility model adopts can be board-like, rolling, tubular fibre formula or tubular type.
The reverse osmosis membrane assembly 10 that the utility model adopts is board-like, rolling, tubular fibre formula or tubular type.
The membrane distillation assembly 15 that the utility model adopts is board-like, rolling, tubular fibre formula or tubular type.
In another preference, be connected to recycle pump 24 on described the 5th liquid-inlet pipe 20.
In addition, also can be connected to the recycle pump (not shown) on described the 3rd drain pipe 13 or the 4th drain pipe 18.
Brine treatment of the present utility model system, adopt full embrane method to carry out brine treatment, when obtaining fresh water, extract the salt in the bittern, can obtain lithium salts by common process, energy expenditure is low, and just permeating with the membrane distillation process does not all need impressed pressure, pollution to film is lower, pollution is easy to remove, thereby has fundamentally reduced use cost the work-ing life of greatly having improved film.
Should be understood that brine treatment of the present invention system, be not only applicable to process bittern, also be applicable to process seawater.
All quote in this application as a reference at all documents that the utility model is mentioned, just as each piece document is quoted separately as a reference.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after having read above-mentioned teachings of the present utility model, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (10)
1. a water treatment system is characterized in that, described system comprises: the raw material flow container, draw flow container, water collect tank, forward osmosis membrane assembly, reverse osmosis membrane assembly, membrane distillation assembly, peristaltic pump, high-pressure pump, well heater, condenser, wherein,
Described raw material flow container is used for the stock liquid that splendid attire need to be desalinated;
Described forward osmosis membrane component internal comprises forward osmosis membrane, and the Hyposmolality side at described forward osmosis membrane, described the first drain pipe that is just permeating assembly links to each other with described raw material flow container, the first liquid-inlet pipe joins by described peristaltic pump and described raw material flow container, and described peristaltic pump is inputted the stock liquid in the described raw material flow container in the described forward osmosis membrane assembly;
The described flow container that draws draws liquid for splendid attire, the described flow container that draws links to each other with the described assembly that just permeating by the second liquid-inlet pipe, the second drain pipe in the high osmotic pressure side of described forward osmosis membrane, and be connected to peristaltic pump on described the second drain pipe, so that described stock liquid and draw liquid the mode with cross-flow circulates in the both sides of described forward osmosis membrane;
In the described reverse osmosis membrane assembly reverse osmosis membrane is housed, high osmotic pressure side at described reverse osmosis membrane, described reverse osmosis membrane assembly joins, joins by the 3rd drain pipe and described raw material flow container by the 3rd liquid-inlet pipe and the described flow container that draws, and on described the 3rd liquid-inlet pipe high-pressure pump is set, draw liquid and enter into described reverse osmosis membrane assembly inside through described high-pressure pump, turn back in the described raw material flow container, until salt out through described the 3rd drain pipe through the concentrated liquid that draws that obtains after the reverse osmosis;
In the described membrane distillation assembly hydrophobic microporous membrane is housed, hot side at described hydrophobic microporous membrane, described membrane distillation assembly joins by the Hyposmolality side of the 4th liquid-inlet pipe and described reverse osmosis membrane assembly, join by the 4th drain pipe and the described flow container that draws, and at described the 4th liquid-inlet pipe described well heater is set, the solution that sees through reverse osmosis membrane is sent to after described heater heats in described the 4th liquid-inlet pipe in the described membrane distillation assembly, turns back to described drawing in the flow container through solution concentrated behind the membrane distillation through described the 4th drain pipe; Cold side at described hydrophobic microporous membrane, described membrane distillation assembly links to each other with described water collect tank by the 5th liquid-inlet pipe, the 5th drain pipe, and at described the 5th drain pipe condenser is set, the water vapor that sees through hydrophobic microporous membrane through membrane distillation enters into water collect tank after condensation becomes water, described water enters into the cold side of described hydrophobic microporous membrane through the 5th liquid-inlet pipe, the mode with cross-flow circulates so that the described solution that sees through reverse osmosis membrane and described water are in the both sides of described hydrophobic microporous membrane.
2. the system as claimed in claim 1 is characterized in that, described forward osmosis membrane is cellulose acetate forward osmosis membrane or the compound forward osmosis membrane of polymeric amide.
3. system as claimed in claim 2 is characterized in that, described forward osmosis membrane is three-decker, comprises the dense layer surface, porous support layer and the grid supporting layer that set gradually.
4. the system as claimed in claim 1 is characterized in that, described reverse osmosis membrane is cellulose acetate membrane, polyhydrazide film, polyamide membrane, and the diameter of described reverse osmosis membrane surface micropore is 0.5～10nm.
5. the system as claimed in claim 1 is characterized in that, described hydrophobic microporous membrane is polypropylene polytetrafluoroethylcomposite composite micro porous film, polyvinylidene fluoride microporous film, microporous polypropylene membrane or microporous teflon membran.
6. the system as claimed in claim 1 is characterized in that, described forward osmosis membrane assembly is board-like, rolling, tubular fibre formula or tubular type.
7. the system as claimed in claim 1 is characterized in that, described reverse osmosis membrane assembly is board-like, rolling, tubular fibre formula or tubular type.
8. the system as claimed in claim 1 is characterized in that, described membrane distillation assembly is board-like, rolling, tubular fibre formula or tubular type.
9. the system as claimed in claim 1 is characterized in that, is connected to recycle pump on described the 3rd drain pipe or the 4th drain pipe.
10. the system as claimed in claim 1 is characterized in that, is connected to recycle pump on described the 5th liquid-inlet pipe.
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| CN201220447332.0U CN202754872U (en) | 2012-09-04 | 2012-09-04 | Brine treating system |
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| CN201220447332.0U CN202754872U (en) | 2012-09-04 | 2012-09-04 | Brine treating system |
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| CN103304088A (en) * | 2013-03-12 | 2013-09-18 | 何涛 | Recycling method of high brine waste water based on forward osmosis |
| CN103321082A (en) * | 2013-07-08 | 2013-09-25 | 轻工业环境保护研究所 | Forward osmosis concentrating device of chemical-mechanical pulping black liquor and operating method of forward osmosis concentrating device |
| CN103706252A (en) * | 2013-12-31 | 2014-04-09 | 重庆大学 | Forward osmosis concentration system and concentration method |
| CN104084043A (en) * | 2014-07-10 | 2014-10-08 | 杭州天创环境科技股份有限公司 | Method for concentrating sea brine by salt manufacturing old brine |
| CN104803451A (en) * | 2015-04-23 | 2015-07-29 | 童成双 | Forward osmosis technology and reverse osmosis technology combined sea water desalination treatment method and device |
| CN104803448A (en) * | 2015-04-02 | 2015-07-29 | 哈尔滨工程大学 | Forward osmosis treatment method of wastewater with high salinity and high organic matter concentration |
| CN108395876A (en) * | 2018-02-02 | 2018-08-14 | 深圳市铁汉生态环境股份有限公司 | A kind of composite snow-melting agent and preparation method thereof |
| CN109071275A (en) * | 2016-03-09 | 2018-12-21 | 恩吉斯有限公司 | For handling the technique and system of waste water and power generation |
| CN111875140A (en) * | 2020-07-27 | 2020-11-03 | 扬州大学 | High-phosphorus wastewater treatment device and method based on forward osmosis-membrane distillation technology |
| CN115465978A (en) * | 2021-10-11 | 2022-12-13 | 苏州诺津环保科技有限公司 | Water solution concentration method by combining osmotic membrane and dialysis membrane |
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- 2012-09-04 CN CN201220447332.0U patent/CN202754872U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103304088A (en) * | 2013-03-12 | 2013-09-18 | 何涛 | Recycling method of high brine waste water based on forward osmosis |
| CN103304088B (en) * | 2013-03-12 | 2014-12-24 | 何涛 | Recycling method of high brine waste water based on forward osmosis |
| CN103321082A (en) * | 2013-07-08 | 2013-09-25 | 轻工业环境保护研究所 | Forward osmosis concentrating device of chemical-mechanical pulping black liquor and operating method of forward osmosis concentrating device |
| CN103706252A (en) * | 2013-12-31 | 2014-04-09 | 重庆大学 | Forward osmosis concentration system and concentration method |
| CN103706252B (en) * | 2013-12-31 | 2016-03-23 | 重庆大学 | Positive osmosis concentration system and method for concentration |
| CN104084043A (en) * | 2014-07-10 | 2014-10-08 | 杭州天创环境科技股份有限公司 | Method for concentrating sea brine by salt manufacturing old brine |
| CN104803448A (en) * | 2015-04-02 | 2015-07-29 | 哈尔滨工程大学 | Forward osmosis treatment method of wastewater with high salinity and high organic matter concentration |
| CN104803451A (en) * | 2015-04-23 | 2015-07-29 | 童成双 | Forward osmosis technology and reverse osmosis technology combined sea water desalination treatment method and device |
| CN104803451B (en) * | 2015-04-23 | 2016-07-27 | 童成双 | Just permeating the process for desalinating seawater and device that combine with reverse osmosis technology |
| CN109071275A (en) * | 2016-03-09 | 2018-12-21 | 恩吉斯有限公司 | For handling the technique and system of waste water and power generation |
| CN109071275B (en) * | 2016-03-09 | 2023-10-20 | 恩吉斯有限公司 | Process and system for treating wastewater and generating electricity |
| CN108395876A (en) * | 2018-02-02 | 2018-08-14 | 深圳市铁汉生态环境股份有限公司 | A kind of composite snow-melting agent and preparation method thereof |
| CN108395876B (en) * | 2018-02-02 | 2020-07-14 | 深圳市铁汉生态环境股份有限公司 | Composite snow melting agent and preparation method thereof |
| CN111875140A (en) * | 2020-07-27 | 2020-11-03 | 扬州大学 | High-phosphorus wastewater treatment device and method based on forward osmosis-membrane distillation technology |
| CN115465978A (en) * | 2021-10-11 | 2022-12-13 | 苏州诺津环保科技有限公司 | Water solution concentration method by combining osmotic membrane and dialysis membrane |
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