CN110316869A - A kind of processing method and system of garbage loading embeading penetrating fluid - Google Patents
A kind of processing method and system of garbage loading embeading penetrating fluid Download PDFInfo
- Publication number
- CN110316869A CN110316869A CN201910647044.6A CN201910647044A CN110316869A CN 110316869 A CN110316869 A CN 110316869A CN 201910647044 A CN201910647044 A CN 201910647044A CN 110316869 A CN110316869 A CN 110316869A
- Authority
- CN
- China
- Prior art keywords
- reverse osmosis
- water
- nanofiltration
- osmosis unit
- nanofiltration device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
-
- 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
- C05D1/02—Manufacture from potassium chloride or sulfate or double or mixed salts thereof
-
- 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
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- 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
- C02F1/22—Treatment of water, waste water, or sewage by freezing
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- 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
-
- 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
-
- 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
- C02F1/52—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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- 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
- C02F2103/06—Contaminated groundwater or leachate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of processing methods of garbage loading embeading penetrating fluid, belong to technical field of waste water processing.Ultrafiltration apparatus is used first, then removal part larger molecular organics, colloid and particle produce in water to ultrafiltration and milk of lime are added, through sedimentation, degassing process；It is re-fed into reverse osmosis unit and carries out advanced treating, the reverse osmosis unit rate of recovery is 65-70%；Reverse osmosis unit concentrate is pumped into nanofiltration device again to be further processed, the nanofiltration device penetrating fluid of generation is intake as reverse osmosis unit returns to circular treatment in reverse osmosis unit, and the rate of recovery of nanofiltration system is 65% or more；Finally by by the nanofiltration concentrate of Adsorption calcium ions and magnesium ions, freezing and crystallizing, potassium sulfate, which crystallizes, to be precipitated, and potassium sulfate salt is obtained by filtration, and can be used as potassium sulfate fertilizer raw material, and filtrate is intake as nanofiltration device and returns to nanofiltration device circular treatment.The recovery processing to reverse osmosis concentrated liquid is realized in the process, realizes the zero-emission of waste water, recycles the potash fertilizer in concentrate.
Description
Technical field
The present invention relates to water-treatment technology fields, and in particular to a kind for the treatment of method and apparatus of garbage loading embeading penetrating fluid.
Background technique
With the expansion of China's city size and the raising of Living consumption, the yield of China's domestic waste is in urgency
Increase severely and adds.The processing and disposition of domestic waste mainly include three kinds of sanitary landfill method, composting method and burning disposal method methods.
And sanitary landfill method has investment, technology low with processing cost compared with mature, treating capacity is big, operational administrative is easy, applicable range
The advantages that wide, is widely applied by countries in the world.Landfill leachate, also known as leachate or infiltration draining, being can not in refuse landfill
The secondary pollution avoided, be infiltrate during dumping it is a kind of containing various organic and inorganic pollution liquid
Body, containing a large amount of pathogenic microorganism and virus, a large amount of itrogenous organic substance matter, corruption is formed in anaerobism or amphimicrobian environment
A variety of odorants discharge meeting polluted surface and underground water without processing, endanger environment.The water quality of garbage seeping water is complicated, becomes
Change big, there is no very perfect its technique of suitable processing, it is recognized that at present to be one of most intractable waste water.Most landfill yard
All as the case may be and other economic technologies require to propose targeted processing scheme and technique.
Membrane separation technique handles landfill leachate in external mature application, and the country also starts with UF membrane skill in recent years
Art handles landfill leachate (such as patent CN107746149A, patent CN109205900A).Membrane separation technique is by landfill leachate
The influence of water quality and quantity variation is small, can guarantee stable water outlet, and in the case where percolate biodegradability can be poor, UF membrane
Also preferable effect can be obtained when Treatment Landfill Leachate.For handling the most common membrane separation process of landfill leachate
For membrane bioreactor (MBR) technique+nanofiltration membrane (NF) technique+reverse osmosis membrane (RO).Pass through the processing of membrane bioreactor, ammonia
Nitrogen pollutant can generally achieve discharge standard, and most of organic matter is removed, but part hardly degraded organic substance can not be gone
It removes, therefore, the water humus and dissolubility salt of small molecule, the total dissolved solidss (TDS) of solution is mainly contained in water outlet
Content is high, more especially the component with smaller solubility already close to or reach saturation solubility, be directly entered reverse osmosis
Device easily causes the pollution of reverse osmosis membrane materials.Since nanofiltration technique is to COD in percolate (COD), conductivity,
Heavy metal has very high removal efficiency, and clean outlet is colourless.And nanofiltration membrane aperture is big compared with reverse osmosis membrane, so contaminated degree drop
It is low.Therefore, nanofiltration device is set between reverse osmosis unit and membrane bioreactor in common process.But as separation system is transported
The row time increases and the increase of the rate of recovery, and the total dissolved solidss of concentrate increase, the impurity such as granular substance, colloidal sol in percolate
It is adsorbed on film surface, membrane aperture gradually becomes smaller so that block, and membrane flux is caused to be lower, and causes what the operating pressure of film became larger to show
As.In addition, the rate of recovery of conventional reverse osmosis unit, in 70-75%, prior art can generate a large amount of reluctant reverse osmosis
Concentrated water, it is difficult to reach the requirement of zero-emission.
Summary of the invention
Present invention aims to overcome that disadvantage of the existing technology, seeks the processing for designing a kind of garbage loading embeading penetrating fluid
The problem of technique, solves in prior art that fouling membrane is serious, and overall recovery is low and fouling membrane.
To achieve the above object, the invention adopts the following technical scheme:
A kind of garbage loading embeading infiltration liquor treating process, specifically includes the following steps:
(1) it pre-processes: landfill leachate being pumped into ultrafiltration apparatus first, removal part larger molecular organics, colloid and micro-
Then grain produces in water to ultrafiltration and milk of lime is added, milk of lime is reacted with water-soluble metal ion in reaction tank generates indissoluble object
Or colloid, it flows into subsider and is settled, the sludge of generation is sent into filter press and carries out compression filtering, and subsider supernatant is sent into micro-
Device filtering is filtered, removes the macromolecular substances and insoluble particles in water removal, then produce to micro-filtration and oxidant (as follows chlorine is added in water
Sour sodium), organic matter and microorganism are removed, hydrochloric acid is eventually adding, is deaerated in degassing pond, is removed the chlorine in waste water, avoid it
Influence to reverse osmosis membrane；
(2) reverse osmosis: it is sent into reverse osmosis unit progress advanced treating after antisludging agent and fungicide are added in the water outlet of degassing pond,
Reverse osmosis unit penetrating fluid can be used as field irrigation or industrial water reuse, and the reverse osmosis unit rate of recovery is 65-70%；
(3) nanofiltration: being pumped into nanofiltration device for reverse osmosis unit concentrate and be further processed, the nanofiltration device penetrating fluid of generation
It intakes as reverse osmosis unit and returns to circular treatment in reverse osmosis unit, the rate of recovery of nanofiltration system is 65% or more；
(4) it adsorbs: nanofiltration concentrate is passed through in ion exchange resin adsorption tower, remove calcium ions and magnesium ions；
(5) it post-processes: suitable sodium sulphate, freezing and crystallizing being added into step (5) water outlet, potassium sulfate crystallization is precipitated, mistake
Filter obtains potassium sulfate salt, can be used as potassium sulfate fertilizer raw material, and filtrate is intake as nanofiltration device and returns to nanofiltration device circular treatment.
Preferably, the compactness nanofiltration membrane that nanofiltration membrane selective retention molecular weight is 200-400Da in the nanofiltration device.
A kind of garbage percolation liquid treating system, including it is ultrafiltration apparatus, reaction tank, subsider, filter press, micro-filtration, de-
Gas pond, reverse osmosis unit, nanofiltration device, ion exchange resin adsorption tower and freezing and crystallizing system, ultrafiltration apparatus produce water end (W.E.) and reaction tank
Connection, ultrafiltration apparatus produce water end (W.E.) and connect with reaction tank, and reaction tank is connect with subsider, and subsider sludge outlet and filter press connect
Connect, subsider supernatant outlet is connect with micro-filtration water inlet end, micro-filtration produce water end (W.E.) with degassing pond connect, degassing pond with instead
The connection of permeability apparatus water inlet end, reverse osmosis unit concentrated water end connect with nanofiltration device water inlet end, nanofiltration device concentrated water end by from
Sub- resin adsorption tower is connect with freezing and crystallizing system, and nanofiltration device produces water end (W.E.) and connect with reverse osmosis unit water inlet end.
The reverse osmosis unit is by first segment reverse osmosis unit, second segment reverse osmosis unit, third section reverse osmosis unit
The multistage reverse osmosis unit of composition, first segment reverse osmosis concentrated liquid is as second segment feed water by reverse osmosis, second segment reverse osmosis concentration
Liquid is intake as third section reverse osmosis unit, and third section reverse osmosis concentrated liquid is sent into nanofiltration device, the infiltration that reverse osmosis unit generates
Transparent liquid fully meets the requirement of recycle-water: the standard cell block that first segment reverse osmosis unit is connected by 5-10 series system,
The system is made of the reverse osmosis module of commercial criterion size (4 inches, 8 inches), and charging hydraulic coupling is 30-40bar, temperature
It is 45 DEG C, percolate is reverse osmosis by first segment, and polyvalent cation and most of monovalent ion are rejected by.The hole of reverse osmosis membrane
Diameter is about 1nm, therefore higher to the interception capacity of metal ion, can reach 95% to the rejection of monovalent ion, high-valency metal from
The rejection of son reaches 98% or more.Second segment reverse osmosis unit is similar with first segment, by the standard block room group of several connections
At, but second segment system membrane module is fewer than first segment.Two sections of third Duan Yuqian similar, and contained membrane module is then less.Multistage is anti-
Permeability apparatus is 65% to 70% to the overall recovery of water, reverse osmosis unit penetrating fluid TDS < 1500ppm.
The ultrafiltration apparatus, raw material hydraulic coupling < 8bar, SDI < 2, the rate of recovery of water are higher than 90%, be adopted as polysulfones or
Poly (ether-sulfone) ultrafiltration membrane.
Compared with the prior art, the invention has the following beneficial effects: (1) optimizes pretreating process, in pretreating process
The substance removal that organic matter, bacterium, virus and metal ion etc. are easily caused to reverse osmosis membrane pollution, makes to reach reverse osmosis into water
The requirement of film water inlet, while the influence to reverse osmosis membrane is avoided by degassing removal chlorine；(2) it is realized by nanofiltration device to anti-
The recovery processing of osmosis concentration liquid realizes the zero-emission of waste water, while recycling the potash fertilizer in concentrate by nanofiltration device, returns
Receive resource；(3) finer and close nanofiltration membrane is selected during, by the control to salt rejection rate, and then adjusts nanofiltration penetrating fluid pair
The influence of feed water by reverse osmosis guarantees that reverse osmosis unit is run under the higher rate of recovery.
Detailed description of the invention
Fig. 1 is the flow chart of the treatment process for the garbage loading embeading penetrating fluid that embodiment 1 is related to.
Specific embodiment:
Invention is described further below by specific embodiment and in conjunction with attached drawing.
Embodiment 1
As shown in Figure 1, the processing method for the garbage loading embeading penetrating fluid that the present embodiment is related to, specifically includes the following steps:
(1) ultrafiltration apparatus is first passed around, then removal part larger molecular organics, colloid and particle produce in water to ultrafiltration
Milk of lime is added, milk of lime and water-soluble metal ion (such as Ca in reaction tank2+、Ba2+、Sr2+、Fe3+) etc. reactions generate indissoluble
Object or colloid flow into subsider and are settled, and the sludge of generation is sent into filter press and is compressed, and obtained filter cake is useless as solid
Gurry processing, the filtrate that filter press obtains return in subsider, and subsider supernatant is sent into micro-filtration filtering, go in water removal
Macromolecular substances and insoluble particles, then produce in water to micro-filtration and be added sodium hypochlorite, remove organic matter and microorganism, finally plus
Enter hydrochloric acid, the dechlorination in degassing pond；
(2) due to containing the metal ions such as calcium, magnesium, barium, strontium in the water outlet of degassing pond, it is easy to which the sulfate radical of He Shuizhong is formed
Such as barium sulfate, the calcium sulfate sulfate of slightly solubility cause stifled film, therefore, before entering reverse osmosis unit, add in water inlet
A certain amount of antisludging agent (one in the antisludging agents such as antisludging agent 7000,3000,1500 of specific choice U.S. Avista company production
Kind) and fungicide, after processing, reverse osmosis unit penetrating fluid can be used as field irrigation or industrial water reuse, reverse osmosis
The permeable system rate of recovery is 70%, and the rate of recovery of whole system is 65% or so.Part water quality data is as shown in table 1 in the process.
Embodiment 2
As shown in Figure 1, the processing method for the garbage loading embeading penetrating fluid that the present embodiment is related to, step (1) and (2) and embodiment
1 is identical, other steps specifically:
(3) reverse osmosis concentrated liquid is pumped into nanofiltration device, adds appropriate antisludging agent into nanofiltration device water inlet, effectively avoids
Alkaline-earth metal precipitating adjusts water inlet as neutral meta-acid, avoids the generation of indissoluble carbonate deposition, and the recycling filter of nanofiltration device is
65%, the nanofiltration device uses molecular cut off for the nanofiltration membrane of 400-800Da；
(4) the nanofiltration penetrating fluid generated after step (3) processing is returned into circular treatment in reverse osmosis unit, gone out with degassing pond
Water is intake together as reverse osmosis unit, from table 1 it follows that reverse osmosis unit influent concentration increase amplitude compares after mixing
Greatly, compared with step (2), the pressure of counter-infiltration system is turned up in the process, is difficult to stablize its rate of recovery 70% or so；
(5) it adsorbs: nanofiltration concentrate is passed through in ion exchange resin adsorption tower, remove calcium ions and magnesium ions；
(6) it post-processes: suitable sodium sulphate, freezing and crystallizing being added into step (5) water outlet, potassium sulfate crystallization is precipitated, mistake
Filter obtains potassium sulfate salt, can be used as potassium sulfate fertilizer raw material, and filtrate is intake as nanofiltration device and returns to nanofiltration device circular treatment.
Part water quality data is as shown in table 1 in the process.
Reverse osmosis unit concentrate is further processed using nanofiltration device in the process, rather than after reverse osmosis unit again
If first-stage reverse osmosis device, this is because TDS is very high in first-stage reverse osmosis device concentrate, reverse osmosis place is used again
Reason, osmotic pressure increase.In the process, the rate of recovery of nanofiltration device reaches 65%, on the whole improves the rate of recovery of whole system
To 80%, and only that using before nanofiltration device, the rate of recovery of whole system is not 65% or so.In addition, dense in nanofiltration device
Contracting liquid is handled by ion exchange resin adsorption tower, is adsorbed the metallic elements such as the calcium and magnesium in water, then add saltcake into water, is utilized freezing
Potassium sulfate is carried out freezing and crystallizing, enrichment by crystal system, is then carried out agricultural use as a kind of potash fertilizer, is turned waste into wealth, really
Realize zero-emission, pollution-free.
Embodiment 3
As shown in Figure 1, the processing method for the garbage loading embeading penetrating fluid that the present embodiment is related to, step (1) and (2) and embodiment
1 is identical, other steps specifically:
(3) reverse osmosis concentrated liquid is pumped into nanofiltration device, adds appropriate antisludging agent into nanofiltration device water inlet, effectively avoids
Alkaline-earth metal precipitating adjusts water inlet as neutral meta-acid, avoids the generation of indissoluble carbonate deposition, and the recycling filter of nanofiltration device is
65%, the nanofiltration device uses molecular cut off for the nanofiltration membrane of 200-400Da；
(4) the nanofiltration penetrating fluid generated after step (3) processing is returned into circular treatment in reverse osmosis unit, gone out with degassing pond
Water is intake together as reverse osmosis unit, from table 1 it follows that reverse osmosis unit influent concentration increase amplitude compares after mixing
It is small, the rate of recovery of reverse osmosis unit can be continued to 70% or so；
(5) it adsorbs: nanofiltration concentrate is passed through in ion exchange resin adsorption tower, remove calcium ions and magnesium ions；
(6) it post-processes: suitable sodium sulphate, freezing and crystallizing being added into step (5) water outlet, potassium sulfate crystallization is precipitated, mistake
Filter obtains potassium sulfate salt, can be used as potassium sulfate fertilizer raw material, and filtrate is intake as nanofiltration device and returns to nanofiltration device circular treatment.
(4) it adsorbs: nanofiltration concentrate is passed through in ion exchange resin adsorption tower, remove calcium ions and magnesium ions；
(5) it post-processes: suitable sodium sulphate, freezing and crystallizing being added into step (5) water outlet, potassium sulfate crystallization is precipitated, mistake
Filter obtains potassium sulfate salt, can be used as potassium sulfate fertilizer raw material, and filtrate is intake as nanofiltration device and returns to nanofiltration device circular treatment.
Part water quality data is as shown in table 2 in the process.
Embodiment 2 compared with Example 1, is intake because nanofiltration device penetrating fluid is pumped into reverse osmosis unit, feed water by reverse osmosis
Concentration increases too much, and to avoid reverse osmosis unit concentrated water side because of excessive concentration, salt crystallization is precipitated, reverse osmosis unit rate of recovery drop
It is low.Compared with Example 2, smaller using aperture, the higher film of rejection can be avoided nanofiltration penetrating fluid and is pumped into embodiment 3
When reverse osmosis concentrated water, because too greatly improving the concentration of feed water by reverse osmosis, the rate of recovery is caused to be difficult to maintain 70% or so.
Each stage water quality of 1 embodiment of table 2
Each stage water quality of 2 embodiment of table 3
Claims (4)
1. a kind of processing method of garbage loading embeading penetrating fluid, which is characterized in that specifically includes the following steps:
(1) it pre-processes: landfill leachate being pumped into ultrafiltration apparatus first, remove part larger molecular organics, colloid and particle, so
Backward ultrafiltration, which produces in water, is added milk of lime, and milk of lime is reacted with water-soluble metal ion in reaction tank generates indissoluble object or glue
Body flows into subsider and is settled, and the sludge of generation is sent into filter press and carries out compression filtering, and subsider supernatant is sent into micro-filtration dress
Filtering is set, macromolecular substances and insoluble particles in water removal is removed, then produce to micro-filtration and oxidant is added in water, removes organic matter
And microorganism, it is eventually adding hydrochloric acid, is deaerated in degassing pond, is removed the chlorine in waste water, avoid its influence to reverse osmosis membrane；
(2) reverse osmosis: to be sent into reverse osmosis unit progress advanced treating, reverse osmosis after antisludging agent and fungicide are added in the water outlet of degassing pond
Saturating device penetrating fluid can be used as field irrigation or industrial water reuse, and the reverse osmosis unit rate of recovery is 65-70%；
(3) nanofiltration: being pumped into nanofiltration device for reverse osmosis unit concentrate and be further processed, the nanofiltration device penetrating fluid conduct of generation
Reverse osmosis unit water inlet returns to circular treatment in reverse osmosis unit, and the rate of recovery of nanofiltration system is 65% or more；
(4) it adsorbs: nanofiltration concentrate is passed through in ion exchange resin adsorption tower, remove calcium ions and magnesium ions；
(5) it post-processes: suitable sodium sulphate, freezing and crystallizing being added into step (5) water outlet, potassium sulfate crystallization is precipitated, filters
To potassium sulfate salt, potassium sulfate fertilizer raw material can be used as, filtrate is intake as nanofiltration device and returns to nanofiltration device circular treatment.
2. the processing method of garbage loading embeading penetrating fluid according to claim 1, which is characterized in that received in the nanofiltration device
Filter membrane selective retention molecular weight is the compactness nanofiltration membrane of 200-400Da.
3. the processing method of garbage loading embeading penetrating fluid according to claim 2, which is characterized in that the ultrafiltration apparatus, it is former
The rate of recovery of feed pressure < 8bar, SDI < 2, water are higher than 90%, are adopted as polysulfones or poly (ether-sulfone) ultrafiltration membrane.
4. a kind of garbage percolation liquid treating system, including ultrafiltration apparatus, reaction tank, subsider, filter press, micro-filtration, degassing
Pond, reverse osmosis unit, nanofiltration device, ion exchange resin adsorption tower and freezing and crystallizing system, ultrafiltration apparatus produces water end (W.E.) and reaction tank connects
It connecing, ultrafiltration apparatus produces water end (W.E.) and connect with reaction tank, and reaction tank is connect with subsider, and subsider sludge outlet is connect with filter press,
Subsider supernatant outlet is connect with micro-filtration water inlet end, and micro-filtration produces water end (W.E.) and connect with degassing pond, and deaerate pond and reverse osmosis
Saturating device water inlet end connection, reverse osmosis unit concentrated water end are connect with nanofiltration device water inlet end, and nanofiltration device concentrated water end passes through ion
Resin adsorption tower is connect with freezing and crystallizing system, and nanofiltration device produces water end (W.E.) and connect with reverse osmosis unit water inlet end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910647044.6A CN110316869A (en) | 2019-07-17 | 2019-07-17 | A kind of processing method and system of garbage loading embeading penetrating fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910647044.6A CN110316869A (en) | 2019-07-17 | 2019-07-17 | A kind of processing method and system of garbage loading embeading penetrating fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110316869A true CN110316869A (en) | 2019-10-11 |
Family
ID=68123816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910647044.6A Pending CN110316869A (en) | 2019-07-17 | 2019-07-17 | A kind of processing method and system of garbage loading embeading penetrating fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110316869A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675367A (en) * | 2020-07-03 | 2020-09-18 | 江苏坤奕环境工程有限公司 | DTRO landfill leachate concentrated solution near zero emission treatment system and implementation method thereof |
| CN112850989A (en) * | 2021-02-05 | 2021-05-28 | 江苏格林斯曼蓄能科技有限公司 | Freezing concentration system and method for landfill leachate treatment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060021942A1 (en) * | 2002-03-15 | 2006-02-02 | Bradley Kirk D | Continuous ammonium removal systems |
| CN101851046A (en) * | 2010-06-21 | 2010-10-06 | 吴静璇 | Device for deep treatment and complete recovery of coking wastewater and application method thereof |
| CN102826682A (en) * | 2012-09-04 | 2012-12-19 | 北京化工大学 | Treatment method for concentrated solution obtained by filtering landfill leachate film |
| CN103964609A (en) * | 2014-05-16 | 2014-08-06 | 天津海普尔膜科技有限公司 | Membrane treatment method of landfill leachate concentrate |
| CN104496079A (en) * | 2014-12-23 | 2015-04-08 | 北京桑德环境工程有限公司 | Treatment method for garbage leachate membrane concentrated solution |
| CN105645439A (en) * | 2016-01-30 | 2016-06-08 | 内蒙古久科康瑞环保科技有限公司 | System for preparing potassium sulfate from high-salt-content industrial wastewater and technology of system |
| CN106315984A (en) * | 2016-09-30 | 2017-01-11 | 江西东江环保技术有限公司 | Treatment method of landfill leachate |
| CN109264933A (en) * | 2018-11-16 | 2019-01-25 | 北京天地人环保科技有限公司 | A kind of processing equipment for incineration plant landfill leachate |
-
2019
- 2019-07-17 CN CN201910647044.6A patent/CN110316869A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060021942A1 (en) * | 2002-03-15 | 2006-02-02 | Bradley Kirk D | Continuous ammonium removal systems |
| CN101851046A (en) * | 2010-06-21 | 2010-10-06 | 吴静璇 | Device for deep treatment and complete recovery of coking wastewater and application method thereof |
| CN102826682A (en) * | 2012-09-04 | 2012-12-19 | 北京化工大学 | Treatment method for concentrated solution obtained by filtering landfill leachate film |
| CN103964609A (en) * | 2014-05-16 | 2014-08-06 | 天津海普尔膜科技有限公司 | Membrane treatment method of landfill leachate concentrate |
| CN104496079A (en) * | 2014-12-23 | 2015-04-08 | 北京桑德环境工程有限公司 | Treatment method for garbage leachate membrane concentrated solution |
| CN105645439A (en) * | 2016-01-30 | 2016-06-08 | 内蒙古久科康瑞环保科技有限公司 | System for preparing potassium sulfate from high-salt-content industrial wastewater and technology of system |
| CN106315984A (en) * | 2016-09-30 | 2017-01-11 | 江西东江环保技术有限公司 | Treatment method of landfill leachate |
| CN109264933A (en) * | 2018-11-16 | 2019-01-25 | 北京天地人环保科技有限公司 | A kind of processing equipment for incineration plant landfill leachate |
Non-Patent Citations (1)
| Title |
|---|
| 李全宏等: "《农副产品综合利用》", 30 September 2009, 中国农业大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111675367A (en) * | 2020-07-03 | 2020-09-18 | 江苏坤奕环境工程有限公司 | DTRO landfill leachate concentrated solution near zero emission treatment system and implementation method thereof |
| CN112850989A (en) * | 2021-02-05 | 2021-05-28 | 江苏格林斯曼蓄能科技有限公司 | Freezing concentration system and method for landfill leachate treatment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105645439B (en) | A kind of system and its technique that potassium sulfate is prepared using high saliferous industrial wastewater | |
| CN105384316B (en) | A kind of processing method of the fluorine-containing nitrogen-containing wastewater of electronics industry | |
| CN100450592C (en) | Metal smelting factory sewage reclaiming method based on membrane filtering technique | |
| CN209210544U (en) | High ammonia nitrogen, high-sulfur compound garbage percolation liquid treating system | |
| CN109626715A (en) | The method for reducing ammonia load in processing percolate biochemical system | |
| CN207933209U (en) | A kind of middle water zero discharge processing unit | |
| CN105906149A (en) | Chlor-alkali plant strong brine zero-discharge treatment system and treatment method | |
| CN100532299C (en) | Garbage leachate processing process and system based on membrane bioreactor-nano filtering membrane technology | |
| CN103466844A (en) | Process and device for processing and recycling leaded wastewater | |
| CN104591432A (en) | Processing method of landfill leachate film concentrated solution | |
| CN201610402U (en) | Recycling and deep treatment device for electronic electroplating wastewater | |
| CN213652165U (en) | Polycrystalline silicon production wastewater treatment system | |
| CN110316869A (en) | A kind of processing method and system of garbage loading embeading penetrating fluid | |
| CN105948351A (en) | Water treatment system and method | |
| US20220234930A1 (en) | Method for Purifying Contaminated Water | |
| CN106746130A (en) | A kind of high-salt concentrated water zero-discharge treatment system and process | |
| CN108017187A (en) | A kind of processing method of bitter | |
| CN203498200U (en) | Equipment for treating and reusing wastewater containing lead | |
| CN205974124U (en) | Coal chemical wastewater's processing system | |
| CN205687743U (en) | A kind of processing system of chlor-alkali plant strong brine zero-emission | |
| CN209974485U (en) | Wastewater treatment system | |
| CN105439347B (en) | A kind of mother liquor treatment process and system for the concentration of clopyralid feed separation | |
| CN207671875U (en) | Printing and dyeing wastewater treatment system | |
| CN109368845A (en) | A kind of waste water treatment system and treatment process | |
| CN109867389A (en) | A kind of processing system and its method of mine soil elution sewage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191011 |
|
| RJ01 | Rejection of invention patent application after publication |