CN108837813A - A kind of preparation method and application of the ion surface imprinted material of mesoporous diatom As (V) - Google Patents
A kind of preparation method and application of the ion surface imprinted material of mesoporous diatom As (V) Download PDFInfo
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- CN108837813A CN108837813A CN201810682109.6A CN201810682109A CN108837813A CN 108837813 A CN108837813 A CN 108837813A CN 201810682109 A CN201810682109 A CN 201810682109A CN 108837813 A CN108837813 A CN 108837813A
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- ion
- diatom
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- imprinted material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/262—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon to carbon unsaturated bonds, e.g. obtained by polycondensation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/14—Diatomaceous earth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
- B01J20/28078—Pore diameter
- B01J20/28083—Pore diameter being in the range 2-50 nm, i.e. mesopores
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
Abstract
The invention discloses a kind of preparation method and application of the ion surface imprinted material of mesoporous diatom As (V), the ion blotting material is using diatomite as carrier, As (V) ion is template, aminopropyl trimethoxysilane is function monomer, epoxychloropropane is crosslinking agent, hydrochloric acid is eluant, eluent, is prepared for mesoporous diatom As (V) ion blotting material by surface ion engram technology.Mesoporous diatom As (V) ion blotting material of the invention have many advantages, such as step be simple and convenient to operate, high production efficiency, and to (V) ion of As in water have good adsorptivity and selectivity.
Description
Technical field
Invention belongs to field of material technology, is related to a kind of imprinted material based on mesoporous diatom, more particularly to a kind of mesoporous
The preparation method and application of diatom As (V) ion surface imprinted material.
Background technique
Arsenic is to be prevalent in one of nature metalloid element, the content ranking the 20th in the earth's crust, mainly with sulphur
Compound and the form of alloy exist.Arsenic is commonly utilized in electronics, agricultural, wood preservation, metallurgy and medicine and other fields, therefore causes
Arsenic in environment in arsenic content especially water is exceeded.According to chemical valence difference, arsenic can be divided into pentavalent arsenic and trivalent arsenic again.Wherein three
Valence arsenic poison is 60 times of pentavalent arsenic toxicity, but pentavalent arsenic presence is more stable in environment.Arsenic poisoning may cause Digestive
System, respiratory system, a series of problem such as hematological system are serious to may result in cancer.Therefore, arsenic removal technology has become
One of research hotspot.
Ionic imprinting technique is an important branch of molecular imprinting technology, has structure effect precognition as molecular engram
The advantages that property, specific recognition and broad applicability.There is recognition site " embedding " is poly- for traditional ion imprinted polymer
It closes inside object, so that template ion is difficult in conjunction with recognition site, association rate is low, prepared imprinted polymer, mechanicalness
Can be poor the disadvantages of.And surface ion engram technology can be realized and quickly be combined and be divided between imprinted polymer and trace ion
From, reduce non-specific adsorption to selectivity influence.
Imprinted material is prepared with surface ion engram technology, the selection of carrier is most important, and required carrier will have one
Fixed mechanical stability and thermal stability, and there are preferable economic benefits.Diatomite has the hole of unique ordered arrangement
Road structure, porosity are high, pore volume is big, light weight, mechanical stability and better heat stability, and its is widely distributed, price
It is cheap, it is ideal carrier material.In addition, all carrier of existing surface ion imprinted polymer mostly concentrate on silica gel,
Carbon nanotube, mesoporous silicon etc., the research in terms of natural minerals class is less, therefore, realizes ion blotting material on diatom surface
With certain meaning.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation method of the ion surface imprinted material of mesoporous diatom As (V) and answer
With, and the imprinted material has good adsorptivity and selectivity to (V) ion of As in water.A kind of mesoporous diatom As (V) from
The preparation method and application of sub- surface imprinted material, it is characterised in that include the following steps:
(1) activated diatomaceous earth：The 70 DEG C of heating water baths 8~12h of reflux of hydrochloric acid for claiming 30g diatomite 2mol/L, take out later
Filter, is washed with deionized water to neutrality, last 80 DEG C of drying.
(2) the natrium arsenicum solid of 0.2~0.25mmol is weighed in there-necked flask, and 10mL ultrapure water, which is then added, makes it sufficiently
Dissolution, then measure 80~100mL methanol be added there-necked flask in, after mixing, the aminopropyl trimethoxy silicon of 2mL is added dropwise
Alkane reacts 1~2h, and the epoxy chloropropionate of 2.7mL is added in diatomite 4g, the 60 DEG C of condensing reflux 20h after being subsequently added into activation later
Alkane, the reaction was continued 2~4h are filtered after cooling, are washed 2~3 times with dehydrated alcohol.
(3) 2~4h is finally eluted at normal temperature with the hydrochloric acid of 0.5~1mol/L, then be washed with deionized to neutrality, 80
DEG C drying, obtain mesoporous diatom As (V) ion blotting material.
The present invention utilizes surface ion engram technology, with large specific surface area, mechanical stability and better heat stability, surface
Diatom containing the light base of a large amount of silicon is matrix, and aminopropyl trimethoxysilane is function monomer, and epoxychloropropane is crosslinking agent, is led to
It crosses polymerization reaction and is prepared for mesoporous diatom As (V) ion blotting material, and be applied to the research of As (V) ions in water.It should
The removal rate of 2mg/L As (V) ion can achieve 97% or more in imprinted material water, have preferable adsorptivity.And to Cd
(II), the selectivity factor of Pb (II) and Cr (VI) can reach 1.5 or more, have good selectivity.
Detailed description of the invention
Fig. 1 is mesoporous diatom As (V) the ion blotting scanning of materials electron microscope of the embodiment of the present invention 1, and (a) is non-trace material
Material (b) is imprinted material.
Fig. 2 is mesoporous diatom As (V) the ion blotting material infrared spectrogram of the embodiment of the present invention 1.A, b, c, d, e generation respectively
Table diatom original soil, the diatomite after acidification, diatom grafted monomers, after crosslinking, imprinted material.
Fig. 3 is mesoporous diatom As (V) the ion blotting material x-ray photoelectron spectroscopy figure of the embodiment of the present invention 1.
Fig. 4 is mesoporous diatom As (V) the ion blotting material of the embodiment of the present invention 1 and non-As (V) ion blotting material to As
(V) relation schematic diagram that ion remaval rate changes with pH.
Specific embodiment
Invention is described in further detail below in conjunction with specific embodiment.
Embodiment 1：
A kind of preparation method and application of the ion surface imprinted material of mesoporous diatom As (V), include the following steps：
(1) activated diatomaceous earth：The 70 DEG C of heating water baths reflux 12h of hydrochloric acid for claiming 30g diatomite 2mol/L, filter later,
It is washed with deionized water to neutrality, last 80 DEG C of drying；
(2) the natrium arsenicum solid of 0.25mmol is weighed in there-necked flask, 10mL ultrapure water, which is then added, dissolves it sufficiently,
The methanol for measuring 80mL again is added in there-necked flask, and after mixing, the TSL 8330 of 2mL is added dropwise, reacts 2h, connects
Diatomite 4g, 60 DEG C of condensings reflux 20h after activation are added, the epoxychloropropane of addition 2.7mL later, the reaction was continued 4h,
It filters after cooling, is washed 2~3 times with dehydrated alcohol；
(3) 2h is finally eluted at normal temperature with the hydrochloric acid of 1mol/L, then be washed with deionized to neutrality, 80 DEG C of drying,
Obtain mesoporous diatom As (V) ion blotting material；
(4) the obtained imprinted material of step (3) is denoted as As-IIP, non-imprinted material is denoted as As-NIP as a comparison.
A series of 0.1gAs-IIP and As-NIP are taken to be added separately in 100mL centrifuge tube simultaneously, the concentration of 25mLpH=3~11, which is added, is
2mg/LAs (V) solion, adsorption time 60min, 25 DEG C of adsorption temp, with 150r/ in Clothoid type water-bath constant temperature oscillator
The speed oscillation of min is to adsorption equilibrium；
(5) by 0.45 μm of membrane filtration of step (4) acquired solution, with the As in atomic fluorescence spectrophotometer measurement filtrate
(V) concentration, and obtain As-IIP and As-NIP to the removal rate of As (V).As a result as shown in figure 4, wherein As-IIP is to As's (V)
Removal rate can achieve 97% or more, embodiment 2：
A kind of preparation method and application of the ion surface imprinted material of mesoporous diatom As (V), include the following steps：
(1) activated diatomaceous earth：The 70 DEG C of heating water baths reflux 12h of hydrochloric acid for claiming 30g diatomite 2mol/L, filter later,
It is washed with deionized water to neutrality, last 80 DEG C of drying；
(2) the natrium arsenicum solid of 0.25mmol is weighed in there-necked flask, 10mL ultrapure water, which is then added, dissolves it sufficiently,
The methanol for measuring 80mL again is added in there-necked flask, and after mixing, the TSL 8330 of 2mL is added dropwise, reacts 2h, connects
Diatomite 4g, 60 DEG C of condensings reflux 20h after activation are added, the epoxychloropropane of addition 2.7mL later, the reaction was continued 4h,
It filters after cooling, is washed 2~3 times with dehydrated alcohol；
(3) 2h is finally eluted at normal temperature with the hydrochloric acid of 1mol/L, then be washed with deionized to neutrality, 80 DEG C of drying,
Obtain mesoporous diatom As (V) ion blotting material；
(4) the obtained imprinted material of step (3) is denoted as As-IIP, non-imprinted material is denoted as As-NIIP as a comparison.
A series of 0.1gAs-IIP and As-NIP are taken to be added separately in 100mL centrifuge tube simultaneously, 25mLpH=5 concentration, which is added, is
A series of binary of the As (V) of 10mg/L/Cd (II), As (V)/Pb (II), As (V)/Cr (VI) compete mixed solution, adsorption time
60min, 25 DEG C of adsorption temp, with the speed oscillation of 150r/min to adsorption equilibrium in Clothoid type water-bath constant temperature oscillator；
(5) by 0.45 μm of membrane filtration of step (4) acquired solution, with the As in atomic fluorescence spectrophotometer measurement filtrate
(V) concentration with the concentration of the corresponding hybrid ionic of atomic absorption detecting, and obtains As-IIP and As-NIP under different binary systems
The removal rate of removal rate and corresponding hybrid ionic to As (V).The ion surface imprinted material pair of mesoporous diatom As (V) as the result is shown
As (V) shows good selectivity, wherein choosing of the As (V) relative to competitive Adsorption ion Cd (II), Pb (II) and Cr (VI)
Selecting property coefficient is respectively 2.64,2.45,9.67 to be all larger than 1.5, is had good selectivity.
Claims (2)
1. a kind of preparation method and application of the ion surface imprinted material of mesoporous diatom As (V), it is characterised in that including following step
Suddenly:
(1) activated diatomaceous earth：The 70 DEG C of heating water baths 8~12h of reflux of hydrochloric acid for claiming 30g diatomite 2mol/L, filter later, use
Deionized water is washed till neutrality, last 80 DEG C of drying；
(2) the natrium arsenicum solid of 0.2~0.25mmol is weighed in there-necked flask, and 10mL ultrapure water, which is then added, keeps it sufficiently molten
Solution, then measure 80~100mL methanol be added there-necked flask in, after mixing, the TSL 8330 of 2mL is added dropwise,
1~2h is reacted, the epoxy of 2.7mL is added in diatomite 4g, the 60 DEG C of condensing reflux 20h after being subsequently added into step (1) activation later
Chloropropane, the reaction was continued 2~4h are filtered after cooling, are washed 2~3 times with dehydrated alcohol；
(3) hydrochloric acid that 0.5~1mol/L is finally added in step (2) elutes 2~4h at normal temperature, then is washed with deionized
To neutrality, 80 DEG C of drying obtain mesoporous diatom As (V) ion blotting material.
2. the application of the ion surface imprinted material of mesoporous diatom As (V) according to claim 1, which is characterized in that should be from
Sub- imprinted material can be very good the removal for being applied to As (V) ion in water.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201646A (en) * | 2019-05-14 | 2019-09-06 | 桂林理工大学 | A kind of diatom base cadmium ion trace adsorbent and its preparation method and application |
| CN110201649A (en) * | 2019-06-09 | 2019-09-06 | 桂林理工大学 | A kind of diatomite surface A s(III) ion blotting adsorbent material preparation method |
| CN110201648A (en) * | 2019-06-09 | 2019-09-06 | 桂林理工大学 | A kind of diatomite surface A s(V) ion blotting adsorbent material preparation method |
| CN110201650A (en) * | 2019-06-09 | 2019-09-06 | 桂林理工大学 | A kind of diatom soil matrix Cr(VI) ion blotting adsorbent material preparation method |
| CN110294524A (en) * | 2019-05-09 | 2019-10-01 | 太致新材料(上海)有限公司 | A kind of multifunctional efficient water purification agent |
| CN111760561A (en) * | 2020-07-23 | 2020-10-13 | 桂林理工大学 | Preparation method of As (III) ion imprinted material based on MCM-41 molecular sieve surface |
| CN113856649A (en) * | 2021-10-09 | 2021-12-31 | 上海理工大学 | Preparation method of silicon-based mesoporous pentavalent arsenic anion imprinted polymer |
| CN115739048A (en) * | 2022-11-17 | 2023-03-07 | 广西师范大学 | Positive arsenate ion imprinting material and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010042582A1 (en) * | 2008-10-07 | 2010-04-15 | The Government Of The U.S.A, As Represented By The Secretary Of The Navy | Hybrid preconcentrator for detection of materials |
| CN101816927A (en) * | 2010-04-30 | 2010-09-01 | 南开大学 | Temperature-sensitive protein molecular engram monolithic column and preparation method and application thereof |
| CN102507261A (en) * | 2011-10-20 | 2012-06-20 | 东北大学 | Method for selectively and quantitatively collecting arsenic in water environment |
| CN103163124A (en) * | 2013-03-18 | 2013-06-19 | 桂林理工大学 | Method for detecting trace amount of gibberellin A3 by molecular imprinting electrochemical luminescence sensor |
| CN106501243A (en) * | 2016-10-01 | 2017-03-15 | 桂林理工大学 | A kind of method of use molecular engram test strips quick detection tripolycyanamide |
-
2018
- 2018-06-27 CN CN201810682109.6A patent/CN108837813A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010042582A1 (en) * | 2008-10-07 | 2010-04-15 | The Government Of The U.S.A, As Represented By The Secretary Of The Navy | Hybrid preconcentrator for detection of materials |
| CN101816927A (en) * | 2010-04-30 | 2010-09-01 | 南开大学 | Temperature-sensitive protein molecular engram monolithic column and preparation method and application thereof |
| CN102507261A (en) * | 2011-10-20 | 2012-06-20 | 东北大学 | Method for selectively and quantitatively collecting arsenic in water environment |
| CN103163124A (en) * | 2013-03-18 | 2013-06-19 | 桂林理工大学 | Method for detecting trace amount of gibberellin A3 by molecular imprinting electrochemical luminescence sensor |
| CN106501243A (en) * | 2016-10-01 | 2017-03-15 | 桂林理工大学 | A kind of method of use molecular engram test strips quick detection tripolycyanamide |
Non-Patent Citations (1)
| Title |
|---|
| 余清凤等: "硅藻基As(V) 离子印迹材料的制备及表征", 《环境工程》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110294524A (en) * | 2019-05-09 | 2019-10-01 | 太致新材料(上海)有限公司 | A kind of multifunctional efficient water purification agent |
| CN110201646A (en) * | 2019-05-14 | 2019-09-06 | 桂林理工大学 | A kind of diatom base cadmium ion trace adsorbent and its preparation method and application |
| CN110201649A (en) * | 2019-06-09 | 2019-09-06 | 桂林理工大学 | A kind of diatomite surface A s(III) ion blotting adsorbent material preparation method |
| CN110201648A (en) * | 2019-06-09 | 2019-09-06 | 桂林理工大学 | A kind of diatomite surface A s(V) ion blotting adsorbent material preparation method |
| CN110201650A (en) * | 2019-06-09 | 2019-09-06 | 桂林理工大学 | A kind of diatom soil matrix Cr(VI) ion blotting adsorbent material preparation method |
| CN111760561A (en) * | 2020-07-23 | 2020-10-13 | 桂林理工大学 | Preparation method of As (III) ion imprinted material based on MCM-41 molecular sieve surface |
| CN113856649A (en) * | 2021-10-09 | 2021-12-31 | 上海理工大学 | Preparation method of silicon-based mesoporous pentavalent arsenic anion imprinted polymer |
| CN113856649B (en) * | 2021-10-09 | 2024-01-12 | 上海理工大学 | Preparation method of silicon-based mesoporous pentavalent arsenic anion imprinted polymer |
| CN115739048A (en) * | 2022-11-17 | 2023-03-07 | 广西师范大学 | Positive arsenate ion imprinting material and preparation method and application thereof |
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Application publication date: 20181120 |