CN108996771A - The multicolumn distributor of chemical constituent in a kind of concentration extraction micropollutant water - Google Patents
The multicolumn distributor of chemical constituent in a kind of concentration extraction micropollutant water Download PDFInfo
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- CN108996771A CN108996771A CN201811144980.7A CN201811144980A CN108996771A CN 108996771 A CN108996771 A CN 108996771A CN 201811144980 A CN201811144980 A CN 201811144980A CN 108996771 A CN108996771 A CN 108996771A
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- water
- functional group
- unit pipes
- multicolumn
- film
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Classifications
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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
- 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
- C02F1/444—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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/422—Treatment of water, waste water, or sewage by ion-exchange using anionic exchangers
-
- 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
- C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
Abstract
The multicolumn distributor of chemical constituent in a kind of concentration extraction micropollutant water, including Double-layer ventilating chassis body, Double-layer ventilating chassis body is equipped with water butt, ultrafiltration membrane, several functional group unit pipes that reverse osmosis membrane and different concentration extractions require, raw water enters water butt by peristaltic pump after ultrafiltration membrance filter, RO film is entered by membrane pump again, the pure water part outlet of RO film out, the concentrated water partial reflux of RO film enters water butt out, carry out circular flow, concentration volume until decupling raw water, pure water and/or concentrated water selection enrichment and soil washing through fillers different in each functional group unit pipes, finally obtain the chemistry grouping A of 50~100 times of high-content enrichments of water sample, B, C, D, E class, the multiple grouping of the characteristics of lot of trace ingredient in water sample is pressed its molecular structure by the present invention, select opposed polarity class Other concentration and separation realizes the level to 50~100 times of the concentration of 100L water sample, it is possible to provide relevant to study the physical and chemical effect for carrying out unknown component in a deep going way on integrated device.
Description
Technical field
The invention belongs to technical field of sewage, still belong to research and teaching technical field of experiment equipment, are related in water body
The pre- grouping enrichment plant of microchemistry ingredient, the in particular to multicolumn point of chemical constituent in a kind of concentration extraction micropollutant water
With device.
Background technique
In environment water, with the presence of many micro substances.Some has the potential risks, such as ring such as accumulation to human health
Border hormone class etc..The secondary clarifier effluent of the municipal wastewater treatment plant of qualified discharge largely has become because its relative water content is big
The main landscape water source of the inland lake (river) in depended on city.But necessarily the life after biochemistry treatment is dirty for its water quality
Water.Still can there be the unknown materials such as some biochemical secondary metabolites for being difficult to degradation and degradation process generation.Therefore, with water resource
The safe water environment of deficient urban development and people's health needs parallel, for the reliable of environmental quality and to ensure, carry out correlation
Water quality safety be very necessary with Research on Risk Control.
The research of the natural water bodies such as glacier, seawater is also directed to the examination to micro constitutent.It is limited by the complexity of water sample
Property, it needs first to carry out classified packets.The secondary clarifier effluent of municipal wastewater treatment plant is even more in this way, micro- in conjunction with nuclear magnetic resonance spectrum parsing
Pollution mechanism needs enough sample sizes, it is desirable to the supply of large volume.However the Solid Phase Extraction generallyd use at present
SPE technology, capacity is limited, is unsuitable for bulk sample amount.Common column chromatography, it is contemplated that solution-off balance is also unsuitable for micro
The enrichment of ingredient.Individual reverse osmosis (RO) is only hole separation, not selective.
Summary of the invention
In order to overcome the disadvantages of the above prior art, the purpose of the present invention is to provide a kind of concentration extraction micropollutant waters
The multicolumn distributor of middle chemical constituent, the characteristics of lot of trace ingredient in water sample is pressed into its molecular structure multiple grouping, choosing
The concentration and separation for selecting opposed polarity classification realizes the level to 50~100 times of the concentration of 100L water sample on integrated device, can
The relevant physical and chemical effect studied and carry out unknown component in a deep going way is provided.
To achieve the goals above, the technical solution adopted by the present invention is that:
The multicolumn distributor of chemical constituent in a kind of concentration extraction micropollutant water, including Double-layer ventilating chassis body
14, if being equipped with what water butt 11, ultrafiltration membrane 4, RO film 3 and different concentration extractions required in Double-layer ventilating chassis body 14
Dry functional group unit pipes 2, wherein raw water enters water butt 11 after the filtering of ultrafiltration membrane 4, and the water of water butt 11 enters RO film by pump
3, the pure water part outlet of RO film 3 out, the concentrated water partial reflux of RO film 3 enters water butt 11 out, carries out circular flow, can be to ten times
In the concentration volume of raw water, the pure water and/or concentrated water are enriched with and wash through the selection of fillers 13 different in each functional group unit pipes 2
De- effect finally obtains chemistry grouping A, B, C, D, E class of 50~100 times of water sample enrichments.
The functional group unit pipes 2 are the multicolumn allocation unit pipes for loading the different size of different fillers 13, can be passed through
Silica gel tube connector 15 or glass three-way switch 12 are used in series, according to the amount of microchemistry ingredient in sample and the appearance of filler 13
Amount realizes that 5~10 times of unit elutes concentration.
The type of the filler 13 includes macromolecule polar filler, cation exchange resin filler, anion exchange resin
The connection structure of filler and dewatering filling, each functional group unit pipes 2 is as follows:
The pure water of the RO film 3 out connects the functional group unit pipes 2 for loading macromolecule polar filler, obtains C class water extracts
Component；
Ten times of raw water concentrates that circulating filtration obtains in the water butt 11 connect filling anion exchange resin respectively and fill out
The functional group unit pipes 2 of material and cation exchange resin filler obtain A class and B class water extracts component；Equipped with anions and canons
The functional group unit pipes 2 of exchanger resin filler, can be one another in series as preposition pretreatment.
Ten times of raw water concentrates that circulating filtration obtains in the water butt 11 connect the functional group unit for loading dewatering filling
Pipe 2 obtains D class and E class water extracts component.
The component of selective absorption in the functional group unit pipes 2 for loading macromolecule polar filler, certainly with appropriate alkaline liquor
Opening in unit pipes 2 elutes, and obtains C class water extracts component.
The cocommutative the anionic component of functional group unit pipes 2 for loading anion exchange resin filler, uses appropriate bases
Liquid is eluted from the opening in unit pipes 2, obtains A class water extracts component；The filling cation exchange resin filler
The cocommutative heavy metal cation component of functional group unit pipes 2, is eluted with appropriate acid solution from the opening in unit pipes 2, is obtained
To B class water extracts component.Also, anion and cation exchange resin filler is in use, can be one another in series as preposition pre- place
Reason.
The component of selective absorption in the functional group unit pipes 2 for loading dewatering filling, with appropriate eluent from unit
Opening on pipe 2 elutes, and affords hydrophilic acidic material composition D class through alkali, affords neutrals through organic solvent
Matter component E class.
The RO film 3 produces function with pure water and 30% pure water is detached from system, and transports by the circulation of 70% strong brine
The volume of water sample of row to 0.1 times realizes ten times of concentrations of water sample with bulk mass amount.
The ultrafiltration membrane 4 passes through big with the bigger serface of the doughnut structure of its 0.01 micron openings, low-voltage high-efficiency
The water sample of volume, resistance filter glue body, protein, bacterium and particle guarantee that the safe circular flow of water sample of RO film 3 is wanted as pretreatment
The physicochemical property of summation water sample.
Peristaltic pump 8 is installed in Double-layer ventilating chassis body 14, is the filtering of ultrafiltration membrane 4 and function of water sample with bulk mass
The feed flow of group unit pipes 2 provides power.
Diaphragm high-pressure pump 9 is installed in Double-layer ventilating chassis body 14, provides infusion power for RO film 3.
Compared with prior art, the beneficial effects of the present invention are:
1, various kinds raw water sample low-voltage high-efficiency is filtered with UF doughnut ultrafiltration membrane and is pre-processed, obtain the clarification of zero turbidity
Water sample.For the reverse osmosis concentrated water circulation of RO, ten times of concentrations of water sample with bulk mass are realized.
2, with a variety of distribution material cells of functional group unit pipes, the concentration water outlet of RO is added, further selection enrichment and
Elution, and be grouped and be enriched with according to the unit that the capacity of sample size and respective material obtains 5~10 times and extract.
3, the double-layer frame main structure of pass-through type and front and back two sides are uniform-distribution with for the requirement of different concentration extractions
The open by design of functional unit pipe.Advantage is concentrated in large volume RO under UF water sample is guaranteed, the unit with filling functional material
The grouping distribution feature of pipe more options combines by force.Concentration effect is sorted by the high power of large volume, is further improved pair
The micro- pollutant component physics and chemistry of complex material system identifies the content requirement of understanding.
Therefore, the present invention is completed big with chemical molecular amount and its polarity of molecular structure with the RO circular flow that UF is protected
Ten times of volume concrete water quality concentrations, after with different functional materials, extracted using selection enrichment and the multicolumn of selection leaching elution
Distribution combination.With the device design of 0.3 square of use space, can expeditiously realize in 100L water sample with bulk mass plurality of target at
The grouping divided is extracted.50~100 times of cycles of concentration.With the Solid Phase Extraction SPE of small size concentration further combined with deeply to open
The water quality research for opening up the molecular levels such as spectrum, chromatography, mass spectrum and nuclear magnetic resonance, provides reliable solution means.
The present invention answers in terms of the research and teaching of environment water water sample water quality, and in the natural waterways such as glacier, seawater
Aspect is extracted in the large volume enrichment of miscellaneous micro constitutent apparent experiment effect.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Specific embodiment
The embodiment that the present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, in a kind of concentration extraction micropollutant water chemical constituent multicolumn distributor, including it is double-deck penetrating
Formula chassis body 14, the front and back two sides of Double-layer ventilating chassis body 14, which is uniformly distributed, is equipped with ultrafiltration membrane 4, RO film 3 and not
Several functional group unit pipes 2 required with concentration extraction.On the upper left side panel 1 of device, detector 5,6 and of flowmeter are installed
Pressure gauge 7.One water butt 11 is installed on the bottom plate 10 of Double-layer ventilating chassis body 14.
Wherein, raw water realizes ten times of concentrations to the concrete water quality of large volume after 4 pre-filtering of ultrafiltration membrane with RO film 3.Specifically
Ground, ultrafiltration membrane 4 is with the bigger serface of the doughnut structure of its 0.01 micron openings, the water that low-voltage high-efficiency passes through large volume
Sample, resistance filter glue body, protein, bacterium and particle etc. guarantee the safe circular flow requirement of water sample and the water of RO film 3 as pretreatment
The physicochemical property of sample.
The pre-filtering water sample of ultrafiltration membrane 4 enters water butt 11 out, and the water of water butt 11 enters RO film 3 by pump, and RO film 3 is with pure
Water produces function and 30% pure water is partially disengaged system, and the water of the circular flow to 0.1 times by 70% strong brine part
Sample volume, the pure water outlet of RO film 3 out, the concentrated water circular flow of RO film 3 is incorporated to water butt 11 out, realizes first to through ultrafiltration membrane
Ten times of concentrations of the water outlet after 4,
Functional group unit pipes 2 are the multicolumn allocation unit pipes for loading the different size of different fillers 13, can pass through silica gel
Tube connector 15 or glass three-way switch 12 are used in series, real according to the capacity of the amount of microchemistry ingredient and filler 13 in sample
Existing 5~10 times of unit elutes concentration.The selection of the pure water and/or concentrated water through fillers 13 different in each functional group unit pipes 2
Enrichment and soil washing finally obtain chemistry grouping A, B, C, D, E class of 50~100 times of water sample enrichments.The type packet of filler 13
Include macromolecule polar filler, cation exchange resin filler, anion exchange resin filler and dewatering filling, each functional group
The connection structure of unit pipes 2 is as follows:
1, the pure water part for going out RO film 3 connects the macromolecule polarity for loading and absorption being selected to retain small organic molecule and fills out
The functional group unit pipes 2 of material, the organic constituents in water sample less than 100 molecular weight also enter the functional group unit with pure water
Pipe 2 is eluted with appropriate alkaline liquor from the opening in unit pipes 2, obtains C class water extracts component.
2, ten times of raw water concentrates that circulating filtration obtains in water butt 11 connect the inorganic yin that can be directed in water sample respectively
The functional group unit pipes of filling the anion exchange resin filler and cation exchange resin filler of ion or heavy metal cation
2, the anionic component of exchange is eluted with appropriate alkaline liquor from the opening in unit pipes 2, obtains A class water extracts component；It hands over
The heavy metal cation component changed, is eluted with appropriate acid solution from the opening in unit pipes 2, obtains B class water extracts component.
Also, anion and cation exchange resin filler unit pipe 2 is in use, can be one another in series as preposition pretreatment.
3, ten times of raw water concentrates that circulating filtration obtains in water butt 11 connect the functional group unit pipes 2 for loading dewatering filling
The component of upper selective absorption, is eluted with appropriate eluent from the opening in unit pipes 2, affords hydrophilic acidic through alkali
Material composition D class affords neutral substance component E class through organic solvent.
Control panel lower space in 14 lower left of Double-layer ventilating chassis body installs peristaltic pump 8, for substantially ponding
The ultrafiltration membrane 4 of sample filters and the feed flow of functional group unit pipes 2 provides power.
Diaphragm high-pressure pump 9 is installed in 14 bottom righthand side of Double-layer ventilating chassis body, provides infusion power for RO film 3.
The present invention is distributed by ten times of the concentration of 3 large volume of RO film and the grouping of functional group unit and is extracted, in penetrating opening
In the design of general frame 14 of formula, 100 times of classifying and selectings of 100L volume water sample are realized with small use space.Complete machine layout is closed
Reason, compact efficient are easy to operate intuitive.
Specific implementation process of the invention is as follows:
1, connection peristaltic pump 8 pre-processes water sample by the hyperfiltration that ultrafiltration membrane 4 carries out 1:1.
2, water sample after pre-processing is drawn with diaphragm high-pressure pump 9.The strong brine part (70%) handled through RO film 3, circulation is returned
In return water sample, the concentrate of ten times of raw waters is finally obtained.Through different allocation unit pipes, selection grouping enrichment/elution is obtained
100 times of raw water sample extracts horizontal.Wherein:
2.1, it selects macromolecule polar filler for the functional group unit pipes 2 of carrier, after the processing of RO film 3, is detached from system
Pure water part (30%), it is synchronous with membrane pump 9 directly through silica gel tube connector 15.Small molecule (< 100MW) therein is adsorbed in distribution
Organic matter.And it is de- with alkali cleaning, obtain C class water extracts component.
2.2, it selects ion exchange resin filler for the functional group unit pipes 2 of carrier, uses silica gel tube connector 15 and glass
Glass three-way cock 12 is connected, and ten times of raw water concentrates are passed through filler with peristaltic pump 8.Wherein, anion exchange column tube and sun from
Son exchange column tube obtains the anionic component A and heavy metal components B in water sample respectively.And eluted with soda acid, it picks up corresponding dense
Shrink sample.
2.3, it selects dewatering filling for the functional group unit pipes 2 of carrier, is passed through ten times of raw water concentrates with peristaltic pump 8.
Wherein it is possible to alkali cleaning uncoupling takes hydrophilic acidic material composition D class, after hydrophobic neutral substance component picked up with organic solvent elution
E class.
To sum up, the present invention open by design penetrating using double-layer frame.Firstly, with hyperfiltration UF (0.01um) low pressure height
The pretreatment potentiality of effect obtains the sterile water sample that turbidity is zero.And then guarantee reverse osmosis (RO) by pure water be discharged system while,
Concentrated water is continued cycling through into operation, realizes 10 times of water extracts of water sample with bulk mass.Then, the function of frame both sides placement is chosen respectively
The different separate unit pipes that can be organized, or in such a way that silica gel pipeline and glass three-way valve are concatenated, utilize the filling of separate unit pipe
The fillers such as polarity, hydrophobic or ion exchange extract the further allocation packets of sample.It is eluted by soda acid and organic solvent, according to sample
The capacity of the content of chemical component and functional stuffing is enriched with 5~10 times again in product.Equipped with inspection on the upper left control panel of device
Survey device, pressure gauge and flowmeter.Two infusion pumps are respectively disposed on the lower section of panel and UF, RO film that frame right front and back is fixed
Lower section.To be realized with the device assemble planning of science to a large amount of water samples of 100L volume in use space as small as possible
100 times of grouping enrichment method.Wherein, each unit of UF and functional group is infusion power using low pressure peristaltic pump.RO film with
Diaphragm pressure pump is infusion power.Meet the requirement of research and teaching.
Device be suitable for the risk investigation of microcomponent in municipal wastewater treatment plant secondary clarifier effluent water quality and seawater etc. other
The extraction of large volume micro-content organism high-content dissects in surface water.
Claims (10)
1. the multicolumn distributor of chemical constituent in a kind of concentration extraction micropollutant water, including Double-layer ventilating chassis body
(14), which is characterized in that be equipped in Double-layer ventilating chassis body (14) water butt (11), ultrafiltration membrane (4), RO film (3) with
And several functional group unit pipes (2) that different concentration extractions require, wherein raw water enters water butt after ultrafiltration membrane (4) are filtered
(11), the water of water butt (11) enters RO film (3), out the pure water outlet of RO film (3), and the concentrate recirculation of RO film (3) enters water storage out
Bucket (11) carries out ten times of concentrations to the raw water after ultrafiltration membrane (4), and the pure water and/or concentrated water are through each functional group unit pipes
(2) the selection enrichment of different fillers (13) and soil washing in, finally obtain the high-content chemistry point of 50~100 times of water sample enrichments
Group A, B, C, D, E class.
2. according to claim 1 in concentration extraction micropollutant water chemical constituent multicolumn distributor, which is characterized in that
The functional group unit pipes (2) are the multicolumn allocation unit pipes for loading the different size of different fillers (13), can pass through silica gel
Tube connector (15) or glass three-way switch (12) are used in series, according to the amount of microchemistry ingredient in sample and the appearance of filler (13)
Amount realizes that 5~10 times of unit elutes concentration.
3. the multicolumn distributor of chemical constituent, feature exist in concentration extraction micropollutant water according to claim 1 or claim 2
In the type of the filler (13) includes macromolecule polar filler, cation exchange resin filler, anion exchange resin filler
And dewatering filling, the connection structure of each functional group unit pipes (2) are as follows:
The pure water of RO film (3) out connects the functional group unit pipes (2) for loading macromolecule polar filler, obtains C class water extracts
Component；
The ten times of raw water concentrates recycled in the water butt (11) through RO film (3) concentrate recirculation connect loads anion respectively
The functional group unit pipes (2) of exchanger resin filler and cation exchange resin filler obtain A class and B class water extracts component；
The ten times of raw water concentrates recycled in the water butt (11) through RO film (3) concentrate recirculation, which connect, loads dewatering filling
Functional group unit pipes (2) obtain D class and E class water extracts component.
4. according to claim 3 in concentration extraction micropollutant water chemical constituent multicolumn distributor, which is characterized in that
The component of selective absorption in the functional group unit pipes (2) for loading macromolecule polar filler, with appropriate alkaline liquor from functional group
Opening in unit pipes (2) elutes, and obtains C class water extracts component.
5. according to claim 3 in concentration extraction micropollutant water chemical constituent multicolumn distributor, which is characterized in that
Described functional group unit pipes (2) cocommutative the anionic component for loading anion exchange resin filler, with appropriate alkaline liquor from function
The opening that can be organized on unit pipes (2) elutes, and obtains A class water extracts component；The filling cation exchange resin filler
The cocommutative heavy metal cation component of functional group unit pipes (2), with appropriate acid solution from the opening on functional group unit pipes (2)
It elutes, obtains B class water extracts component；And anion and cation exchange resin filler is in use, can be one another in series as preposition
Pretreatment.
6. according to claim 3 in concentration extraction micropollutant water chemical constituent multicolumn distributor, which is characterized in that
The component of selective absorption in the functional group unit pipes (2) for loading dewatering filling, with appropriate eluent from functional group unit
Opening on pipe (2) elutes, and affords hydrophilic acidic material composition D class through alkali, affords neutrality through organic solvent
Material composition E class.
7. according to claim 1 in concentration extraction micropollutant water chemical constituent multicolumn distributor, which is characterized in that
The RO film (3) produces function with pure water and 30% pure water is detached from system, and by the circular flow of 70% strong brine to 0.1
Volume of water sample again realizes ten times of concentrations of water sample with bulk mass amount.
8. according to claim 1 in concentration extraction micropollutant water chemical constituent multicolumn distributor, which is characterized in that
For the ultrafiltration membrane UF (4) with the bigger serface of the doughnut structure of its 0.01 micron openings, low-voltage high-efficiency passes through large volume
Water sample, resistance filter glue body, protein, bacterium and particle guarantee the safe circular flow requirement of water sample of RO film (3) as pretreatment
With the physicochemical property of water sample.
9. according to claim 1 in concentration extraction micropollutant water chemical constituent multicolumn distributor, which is characterized in that
Peristaltic pump (8) are installed on Double-layer ventilating chassis body (14), are ultrafiltration membrane (4) filtering and functional group of water sample with bulk mass
The feed flow of unit pipes (2) provides power.
10. according to claim 1 in concentration extraction micropollutant water chemical constituent multicolumn distributor, feature exists
In installation diaphragm high-pressure pump (9) on Double-layer ventilating chassis body (14) provides infusion power for RO film (3).
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| CN201811144980.7A CN108996771A (en) | 2018-09-29 | 2018-09-29 | The multicolumn distributor of chemical constituent in a kind of concentration extraction micropollutant water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508264A (en) * | 2019-07-16 | 2019-11-29 | 西安建筑科技大学 | A kind of lanthanum iron compound oxide modified steel scoria haydite and its application |
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| CN110508264A (en) * | 2019-07-16 | 2019-11-29 | 西安建筑科技大学 | A kind of lanthanum iron compound oxide modified steel scoria haydite and its application |
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