CN109012625A - A kind of modified resin, preparation method and applications - Google Patents
A kind of modified resin, preparation method and applications Download PDFInfo
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- CN109012625A CN109012625A CN201810817311.5A CN201810817311A CN109012625A CN 109012625 A CN109012625 A CN 109012625A CN 201810817311 A CN201810817311 A CN 201810817311A CN 109012625 A CN109012625 A CN 109012625A
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- 239000011347 resin Substances 0.000 title claims abstract description 36
- 229920005989 resin Polymers 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 229920002189 poly(glycerol 1-O-monomethacrylate) polymer Polymers 0.000 claims abstract description 67
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 62
- 238000000926 separation method Methods 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 25
- 235000019441 ethanol Nutrition 0.000 claims abstract description 23
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 22
- 239000008367 deionised water Substances 0.000 claims abstract description 22
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 22
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims abstract description 22
- 229920002454 poly(glycidyl methacrylate) polymer Polymers 0.000 claims abstract description 18
- 238000005406 washing Methods 0.000 claims abstract description 14
- 229910000027 potassium carbonate Inorganic materials 0.000 claims abstract description 11
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 11
- WBJINCZRORDGAQ-UHFFFAOYSA-N ethyl formate Chemical compound CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920002873 Polyethylenimine Polymers 0.000 claims abstract description 8
- 239000002253 acid Substances 0.000 claims abstract description 8
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 claims abstract description 6
- 238000002386 leaching Methods 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims description 35
- 229910052709 silver Inorganic materials 0.000 claims description 17
- 239000004332 silver Substances 0.000 claims description 17
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 7
- 238000002372 labelling Methods 0.000 claims description 4
- 239000002594 sorbent Substances 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 claims 1
- 239000003463 adsorbent Substances 0.000 abstract description 26
- 239000000243 solution Substances 0.000 abstract description 17
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 abstract description 14
- 238000001179 sorption measurement Methods 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 8
- 239000007864 aqueous solution Substances 0.000 abstract description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 10
- 238000005259 measurement Methods 0.000 description 9
- -1 polyethylene Polymers 0.000 description 9
- 230000009514 concussion Effects 0.000 description 6
- 239000000706 filtrate Substances 0.000 description 6
- 238000002354 inductively-coupled plasma atomic emission spectroscopy Methods 0.000 description 6
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 0 CCCC(CC*(CC)CC[C@@](CC*C)C=*(C(C)=C)C([U])=N)CC*(CCC(CC*C)C(C([C@@](C)[C@@](C)CC)O)O)=C Chemical compound CCCC(CC*(CC)CC[C@@](CC*C)C=*(C(C)=C)C([U])=N)CC*(CCC(CC*C)C(C([C@@](C)[C@@](C)CC)O)O)=C 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 150000002466 imines Chemical class 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 1
- 229910000967 As alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- QJTAAHJJXWYZSK-UHFFFAOYSA-N [Br].CC(O)=O Chemical compound [Br].CC(O)=O QJTAAHJJXWYZSK-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 125000005456 glyceride group Chemical group 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The present invention discloses a kind of modified resin, preparation method and applications, belongs to technical field of material.This method is added to poly (glycidyl methacrylate) in ethyl alcohol and polyethyleneimine mixed liquor, and solid-liquor separation after back flow reaction, washing is dried to obtain PEL-PGMA；PEL-PGMA and carbon disulfide, potassium carbonate are mixed to join in deionized water, solid-liquor separation after back flow reaction, washing is dried to obtain DTC-PGMA；DTC-PGMA and bromoacetic acid and sodium carbonate are mixed to join in deionized water, solid-liquor separation after back flow reaction, washing is dried to obtain modified poly (glycidyl methacrylate) BA-PGMA；The resin can be used as adsorbent, adsorb the silver ion in acid leaching solution, and using the cost of material is low, preparation process is simple, easily separate with aqueous solution, have high adsorption and reusable.
Description
Technical field
The present invention relates to a kind of modified resins, preparation method and applications, belong to technical field of material.
Background technique
Silver is important precious metal element, is widely used.Due to ductility outstanding, electric conductivity, antibacterial and photosensitive property
And many industrial circles are applied to, and such as alloy and battery, medical treatment and photography industry.So recycling silver from industrial wastewater has
Good economic benefit and social benefit.
In order to sufficiently use silver resource, a variety of methods is developed and have been used to recycle the silver from waste water, such as electricity
Solution, displacement, ion exchange, precipitating and adsorption method.Resin adsorption method has concentration and separation effect good, high-efficient, easy to operate
The features such as.But the usual mechanical strength of traditional ion exchange resin is low, price is higher, poor selectivity.
Based on this, the present invention uses for reference resin material in the successful application of absorbent fields, propose a kind of modified resin,
Preparation method and applications, the modified resin can be used as adsorbent, adsorb the silver ion in acid leaching solution.This method makes
With the cost of material is low, preparation process is simple, and adsorbent has selectivity reusable, has preferable application prospect.
Summary of the invention
For the above-mentioned problems of the prior art and deficiency, the present invention provides a kind of modified resin, preparation method
And its application.The modified resin can be used as adsorbent, adsorb the silver ion in acid leaching solution, and the cost of material is low, preparation
Simple process, and easily separating with aqueous solution has high adsorption and reusable.The present invention is real by the following technical programs
It is existing.
A kind of modified resin, structural formula are as follows:
A kind of preparation method of modified resin, the specific steps of which are as follows:
(1) poly (glycidyl methacrylate) is added in ethyl alcohol and polyethyleneimine mixed liquor, liquid is solid after back flow reaction
Separation is taken out after solid matter is then centrifuged for separation with ethanol washing and is dried in vacuo, and is PEL- by obtained Product Labeling
PGMA。
(2) obtained PEL-PGMA and carbon disulfide, potassium carbonate are mixed to join in deionized water, after back flow reaction
Solid-liquor separation takes out after centrifuge separation is washed with deionized in solid matter and is dried in vacuo, and is DTC- by obtained Product Labeling
PGMA。
(3) DTC-PGMA and bromoacetic acid will be obtained and sodium carbonate is mixed to join in deionized water, liquid is solid after back flow reaction
Separation is taken out after solid matter is centrifugated with ethanol washing and is dried in vacuo, and the polymethylacrylic acid being finally modified shrinks
Glyceride is labeled as BA-PGMA.
Preferably, in step (1) of the present invention ethanol solution and poly (glycidyl methacrylate) liquid-solid ratio be 31:1 ~
The mass ratio of 35:1 ml/g, polyethyleneimine and poly (glycidyl methacrylate) is 2:1 ~ 2.5:1.
Preferably, deionized water and PEL-PGMA liquid-solid ratio are 7:1 ~ 7.5:1 ml/g, curing in step (2) of the present invention
The mass ratio of carbon and PEL-PGMA are 1:5.5 ~ 1:6, and the mass ratio of potassium carbonate and PEL-PGMA are 1:3 ~ 1:3.5.
Preferably, deionized water and DTC-PGMA liquid-solid ratio are 8:1 ~ 8.5:1 ml/g, bromoacetic acid in step (3) of the present invention
It is 1:1.1 ~ 1:1.5 with the mass ratio of DTC-PGMA, the mass ratio of sodium carbonate and DTC-PGMA are 1:1.3 ~ 1:1.5.
Preferably, in step (1) of the present invention under the conditions of 70 ~ 75 DEG C 40 ~ 48h of back flow reaction.
Preferably, 10 ~ 12h of back flow reaction at room temperature in step (2) of the present invention.
Preferably, in step (3) of the present invention under the conditions of 30 ~ 35 DEG C 10 ~ 12h of back flow reaction.
Another object of the present invention is to provide the modified resin can in acid leaching solution adsorbing separation silver
Using.
Organic reagent and inorganic reagent of the present invention are all that commercially available analysis is pure.
Poly (glycidyl methacrylate) of the present invention is that glycidyl methacrylate is obtained by polymerization, is had
Body method are as follows: polyvinylpyrrolidone and azodiisobutyronitrile are added to the mixing of glycidyl methacrylate and ethyl alcohol
In liquid, the solid-liquor separation after back flow reaction under the protection of nitrogen is taken out true after solid matter is then centrifuged for separation with ethanol washing
Sky is dry.
The modified resin adsorbent that the present invention is prepared be mainly used for from acid leaching solution adsorbing separation silver from
Son has the advantages that compared with prior art
(1) it is reusable to be used as absorption silver ion with resin material adsorbent of the invention.
(2) resin material adsorbent preparation process of the invention is simple, lower using material cost.
(3) resin material adsorbent adsorbance with higher of the invention, and it is nontoxic, it is environmentally friendly, easily
In being separated from the water.
(4) preferably selective with other ion exchange resin are different from.
In conclusion the resin material BA-PGMA of adsorbing separation silver of the invention has in terms of the adsorbing separation of silver ion
There is good Social benefit and economic benefit.
Specific embodiment
With reference to embodiment, the invention will be further described, but protection scope of the present invention is not limited to
The content.
Embodiment 1
Modified resin described in the present embodiment, structural formula are as follows:
The preparation method of the modified resin, the specific steps of which are as follows:
(1) poly (glycidyl methacrylate) is added in ethyl alcohol and polyethyleneimine mixed liquor, 75 DEG C of conditions next time
Solid-liquor separation after stream reaction 40h, takes out after solid matter is then centrifuged for separation with ethanol washing and is dried in vacuo, the product that will be obtained
Labeled as PEL-PGMA；Wherein, ethanol solution and poly (glycidyl methacrylate) liquid-solid ratio are 31:1ml/g, polyethylene
The mass ratio of imines and poly (glycidyl methacrylate) is 1:2.
(2) obtained PEL-PGMA and carbon disulfide, potassium carbonate are mixed to join in deionized water, in the item of room temperature
Solid-liquor separation after reflux 10h, takes out after centrifuge separation is washed with deionized in solid matter and is dried in vacuo under part, the production that will be obtained
Substance markers are DTC-PGMA；Wherein, deionized water and PEL-PGMA liquid-solid ratio are 7:1ml/g, carbon disulfide and PEL-PGMA's
Mass ratio is 1:5.5, and the mass ratio of potassium carbonate and PEL-PGMA are 1:3.
(3) DTC-PGMA and bromoacetic acid will be obtained and sodium carbonate is mixed to join in deionized water, 35 DEG C of conditions next time
Solid-liquor separation after stream reaction 12h, takes out after solid matter is centrifugated with ethanol washing and is dried in vacuo, and what is be finally modified is poly-
Glycidyl methacrylate is labeled as BA-PGMA；Wherein, deionized water and DTC-PGMA liquid-solid ratio are 8:1 ml/g, bromine
Acetic acid and the mass ratio of DTC-PGMA are 1:1.1, and the mass ratio of sodium carbonate and DTC-PGMA are 1:1.3.
The measurement of Adsorption For Ag ionic nature:
After taking 10mg BA-PGMA adsorbent investment initial concentration to adsorb 12 h for concussion in the silver ion solution of 150 mg/L, from
Heart separating adsorbent is 25 .1 mg/L with remaining concentration of silver ions in ICP-OES measurement filtrate, and adsorption rate is 74.9 %.It will
The adsorbent of silver ion 12 h of agitator treating in thiourea solution (10 wt%) was adsorbed, is then washed with distilled water 5 times, finally
Adsorbent is dried in vacuo 14 h at 60 DEG C.Take the silver ion that above-mentioned adsorbent 10mg investment initial concentration is 150 mg/L molten
In liquid after 12 h of concussion absorption, it is centrifugated adsorbent, is 26.2 mg/ with remaining concentration of silver ions in ICP-OES measurement filtrate
L, adsorption rate 73.8%.Illustrate that the resin sorbent BA-PGMA of adsorbing separation silver of the invention is Ke Xunhuanliyong.
Embodiment 2
Modified resin described in the present embodiment, structural formula are as follows:
The preparation method of the modified resin, the specific steps of which are as follows:
(1) poly (glycidyl methacrylate) is added in ethyl alcohol and polyethyleneimine mixed liquor, 70 DEG C of conditions next time
Solid-liquor separation after stream reaction 48h, takes out after solid matter is then centrifuged for separation with ethanol washing and is dried in vacuo, the product that will be obtained
Labeled as PEL-PGMA；Wherein, ethanol solution and poly (glycidyl methacrylate) liquid-solid ratio are 33:1ml/g, polyethylene
The mass ratio of imines and poly (glycidyl methacrylate) is 1 ~ 2.3.
(2) obtained PEL-PGMA and carbon disulfide, potassium carbonate are mixed to join in deionized water, in the item of room temperature
Solid-liquor separation after reflux 11h, takes out after centrifuge separation is washed with deionized in solid matter and is dried in vacuo under part, the production that will be obtained
Substance markers are DTC-PGMA；Wherein, deionized water and PEL-PGMA liquid-solid ratio are 7.3:1ml/g, carbon disulfide and PEL-PGMA
Mass ratio be 1:5.7, the mass ratio of potassium carbonate and PEL-PGMA are 1:3.3.
(3) DTC-PGMA and bromoacetic acid will be obtained and sodium carbonate is mixed to join in deionized water, 33 DEG C of conditions next time
Solid-liquor separation after stream reaction 11h, takes out after solid matter is centrifugated with ethanol washing and is dried in vacuo, and what is be finally modified is poly-
Glycidyl methacrylate is labeled as BA-PGMA；Wherein, deionized water and DTC-PGMA liquid-solid ratio are 8.3:1 ml/g,
The mass ratio of bromoacetic acid and DTC-PGMA are 1:1.3, and the mass ratio of sodium carbonate and DTC-PGMA are 1:1.3.
The measurement of Adsorption For Ag ionic nature:
After taking 10mg BA-PGMA adsorbent investment initial concentration to adsorb 12 h for concussion in the silver ion solution of 150 mg/L, from
Heart separating adsorbent is 24 .3 mg/L with remaining concentration of silver ions in ICP-OES measurement filtrate, and adsorption rate is 75.7 %.It will
The adsorbent of silver ion 12 h of agitator treating in thiourea solution (10 wt%) was adsorbed, is then washed with distilled water 5 times, finally
Adsorbent is dried in vacuo 14 h at 60 DEG C.Take the silver ion that above-mentioned adsorbent 10mg investment initial concentration is 150 mg/L molten
In liquid after 12 h of concussion absorption, it is centrifugated adsorbent, is 25.5mg/ with remaining concentration of silver ions in ICP-OES measurement filtrate
L, adsorption rate 74.5%.Illustrate that the resin sorbent BA-PGMA of adsorbing separation silver of the invention is Ke Xunhuanliyong.
Embodiment 3
Modified resin described in the present embodiment, structural formula are as follows:
The preparation method of the modified silica nanoparticle, the specific steps of which are as follows:
(1) poly (glycidyl methacrylate) is added in ethyl alcohol and polyethyleneimine mixed liquor, 70 DEG C of conditions next time
Solid-liquor separation after stream reaction 48h, takes out after solid matter is then centrifuged for separation with ethanol washing and is dried in vacuo, the product that will be obtained
Labeled as PEL-PGMA；Wherein, ethanol solution and poly (glycidyl methacrylate) liquid-solid ratio are 35:1ml/g, polyethylene
The mass ratio of imines and poly (glycidyl methacrylate) is 1:2.5.
(2) obtained PEL-PGMA and carbon disulfide, potassium carbonate are mixed to join in deionized water, in the item of room temperature
Solid-liquor separation after reflux 12h, takes out after centrifuge separation is washed with deionized in solid matter and is dried in vacuo under part, the production that will be obtained
Substance markers are DTC-PGMA；Wherein, deionized water and PEL-PGMA liquid-solid ratio are 7.5:1 ml/g, carbon disulfide and PEL-
The mass ratio of PGMA is 1:5.5 ~ 1:6, and the mass ratio of potassium carbonate and PEL-PGMA are 1:3.5.
(3) DTC-PGMA and bromoacetic acid will be obtained and sodium carbonate is mixed to join in deionized water, 35 DEG C of conditions next time
Solid-liquor separation after stream reaction 10h, takes out after solid matter is centrifugated with ethanol washing and is dried in vacuo, and what is be finally modified is poly-
Glycidyl methacrylate is labeled as BA-PGMA；Wherein, deionized water and DTC-PGMA liquid-solid ratio are 8.5:1 ml/g,
The mass ratio of bromoacetic acid and DTC-PGMA are 1:1.5, and the mass ratio of sodium carbonate and DTC-PGMA are 1:1.5.
The measurement of Adsorption For Ag ionic nature:
After taking 10mg BA-PGMA adsorbent investment initial concentration to adsorb 12 h for concussion in the silver ion solution of 150 mg/L, from
Heart separating adsorbent is 22 .3mg/L with remaining concentration of silver ions in ICP-OES measurement filtrate, and adsorption rate is 77.7 %.It will inhale
The attached adsorbent for crossing silver ion 12 h of agitator treating in thiourea solution (10 wt%), is then washed with distilled water 4 ~ 5 times, finally
Adsorbent is dried in vacuo 12 h at 60 DEG C.Take the silver ion that above-mentioned adsorbent 10mg investment initial concentration is 150 mg/L
In solution after 12 h of concussion absorption, it is centrifugated adsorbent, is with remaining concentration of silver ions in ICP-OES measurement filtrate
23.6mg/L, adsorption rate 76..4%.Illustrate that the resin sorbent BA-PGMA of adsorbing separation silver of the invention is Ke Xunhuanliyong.
Above the embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned embodiment party
Formula can also be done without departing from the purpose of the present invention within the knowledge of a person skilled in the art
Various change out.
Claims (9)
1. a kind of modified resin, which is characterized in that its structural formula are as follows:
。
2. the preparation method of resin sorbent described in claim 1, which is characterized in that specific step is as follows:
(1) poly (glycidyl methacrylate) is added in ethyl alcohol and polyethyleneimine mixed liquor, liquid is solid after back flow reaction
Separation is taken out after solid matter is then centrifuged for separation with ethanol washing and is dried in vacuo, and is PEL- by obtained Product Labeling
PGMA；
(2) obtained PEL-PGMA and carbon disulfide, potassium carbonate are mixed to join in deionized water, liquid is solid after back flow reaction
Separation is taken out after centrifuge separation is washed with deionized in solid matter and is dried in vacuo, and is DTC- by obtained Product Labeling
PGMA；
(3) DTC-PGMA and bromoacetic acid will be obtained and sodium carbonate is mixed to join in deionized water, solid-liquor separation after back flow reaction,
It takes out after solid matter is centrifugated with ethanol washing and is dried in vacuo, the polymethyl acid glycidyl being finally modified
Ester is labeled as BA-PGMA.
3. the preparation method of modified resin described in claim 1 according to claim 2, it is characterised in that: institute
Stating ethanol solution and poly (glycidyl methacrylate) liquid-solid ratio in step (1) is 31:1 ~ 35:1ml/g, polyethyleneimine with
The mass ratio of poly (glycidyl methacrylate) is 2:1 ~ 2.5:1.
4. the preparation method of modified resin described in claim 1 according to claim 2, it is characterised in that: institute
Stating deionized water and PEL-PGMA liquid-solid ratio in step (2) is 7:1 ~ 7.5:1ml/g, the mass ratio of carbon disulfide and PEL-PGMA
For 1:5.5 ~ 1:6, the mass ratio of potassium carbonate and PEL-PGMA are 1:3 ~ 1:3.5.
5. the preparation method of modified resin described in claim 1 according to claim 2, it is characterised in that: institute
Stating deionized water and DTC-PGMA liquid-solid ratio in step (3) is 8:1 ~ 8.5:1 ml/g, the mass ratio of bromoacetic acid and DTC-PGMA
For 1:1.1 ~ 1:1.5, the mass ratio of sodium carbonate and DTC-PGMA are 1:1.3 ~ 1:1.5.
6. the preparation method of modified resin described in claim 1 according to claim 2, it is characterised in that: institute
State back flow reaction condition in step (1) are as follows: 40 ~ 48h of back flow reaction under the conditions of 70 ~ 80 DEG C.
7. the preparation method of modified resin described in claim 1 according to claim 2, it is characterised in that: institute
State back flow reaction condition in step (2) are as follows: 10 ~ 12h of back flow reaction at room temperature.
8. the preparation method of modified resin described in claim 1 according to claim 2, it is characterised in that: institute
State back flow reaction condition in step (3) are as follows: 10 ~ 12h of back flow reaction under the conditions of 30 ~ 35 DEG C.
9. the middle application of modified resin described in claim 1 adsorbing separation silver in acid leaching solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810817311.5A CN109012625B (en) | 2018-07-24 | 2018-07-24 | Modified resin material, preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810817311.5A CN109012625B (en) | 2018-07-24 | 2018-07-24 | Modified resin material, preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109012625A true CN109012625A (en) | 2018-12-18 |
| CN109012625B CN109012625B (en) | 2021-07-16 |
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| CN107158962A (en) * | 2017-05-11 | 2017-09-15 | 武汉纺织大学 | A kind of preparation method for the nano fiber porous film for loading high-activity nano metallic particles |
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