CN106807339B - A kind of preparation method of the heavy metal absorbent for landfill leachate - Google Patents
A kind of preparation method of the heavy metal absorbent for landfill leachate Download PDFInfo
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- CN106807339B CN106807339B CN201710062511.XA CN201710062511A CN106807339B CN 106807339 B CN106807339 B CN 106807339B CN 201710062511 A CN201710062511 A CN 201710062511A CN 106807339 B CN106807339 B CN 106807339B
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- heavy metal
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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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- 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
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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
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
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- Processing Of Solid Wastes (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of preparation methods of heavy metal absorbent for landfill leachate, it is related to absorbent fields, by with graphene oxide, methyl diphenylene diisocyanate, ten dihydroxy Cucurbiturils are raw material, N is added, N-dimethylformamide is solvent, pass through oxidation again, heavy metal absorbent is made in cross-linking reaction process, obtained adsorbent has large amount of adsorption to the heavy metal in landfill leachate, quickly, the excellent in performance easily recycled, it is used for the removal of heavy metal ion in landfill leachate, realize the purification of landfill leachate, it is of great significance to the cycle development for promoting economy.
Description
Technical field
The present invention relates to absorbent fields, the preparation side of especially a kind of heavy metal absorbent for landfill leachate
Method.
Background technique
With the fast development of China's economy and the sharply expansion of population, manufactured by industrial and agricultural production and people's life
Rubbish is also more and more, and wherein domestic waste is just incremented by with about 8% annual growth, extremely serious to the pollution of environment,
However currently, both at home and abroad municipal solid wastes processing mode mainly fill, burn and compost treatment and comprehensive utilization etc.,
But wherein there are about 70% municipal refuses still still to be handled using landfill method.
Since rubbish is during landfill, the water that the natural precipitation and rubbish itself in soot contain is after being filled
Landfill leachate can be generated because of the anaerobic digestion of microorganism, landfill leachate is the most important environmental hazard of refuse landfill
Object is a kind of very strong high-concentration waste water of pollution, containing high concentration COD, high ammonia nitrogen, more metals, high poison sexual factor, wherein
It is significant that heavy metal described in terms of environmental pollution is primarily referred to as the bio-toxicities such as mercury (mercury), cadmium, lead, chromium and metalloid arsenic
Heavy element on the contrary but can under the biomagnification of the food chain since heavy metal cannot be biodegradable, and thousands of hundred times of ground are rich
Collection, finally enters human body, and heavy metal in human body can and the strong interaction of the generations such as protein and enzyme, lose them
Activity, it is also possible to it accumulates in some organs of the human body, causes slow poisoning, therefore it is generated in garbage processing procedure
It is the program being highly desirable that landfill leachate, which carries out heavy metals removal, however the situation very big in garbage treatment quantity radix
Under, the heavy metals removal of Yao Jinhang landfill leachate, it will expend huge fund, bring huge economic pressure to garbage disposal
Power.
Summary of the invention
In order to solve the deficiencies in the prior art, the purpose of the present invention is to provide a kind of large amount of adsorption, adsorption rate it is fast and
It is easy the preparation method of the heavy metal absorbent for landfill leachate recycled.
In order to realize above-mentioned technical purpose, the technical solution of the present invention is as follows:
A kind of preparation method of the heavy metal absorbent for landfill leachate, with graphene oxide, diphenyl methane two
Isocyanates, ten dihydroxy Cucurbiturils are raw material, and n,N dimethylformamide is added as solvent, passes sequentially through oxidation, crosslinking instead
Heavy metal absorbent should be made.
Preferably comprising following steps:
(1) it will be dissolved in n,N dimethylformamide by the graphene oxide of strong acid oxidation, then diphenylmethyl be sequentially added
Alkane diisocyanate and dibutyl tin dilaurate, and the temperature of system is controlled and carries out 2.5~3.5h of reaction at 70~90 DEG C；
(2) the ten dihydroxy Cucurbiturils handled by Cucurbituril carboxylated are individually distributed to n,N dimethylformamide
In solution, then by solution be added to step (1) reaction after mixed solution in, and by control system temperature control at 60~80 DEG C
Carry out 3~4h of reaction；
(3) solution after step (2) reaction is filtered, the solid content for taking it to filter out is washed with water to during cleaning solution is in
Until property, after being then dried in vacuo, heavy metal absorbent can be prepared by.
Preferably, it is by the density of the graphene oxide solution of solvent of n,N dimethylformamide in the step (1)
10mg/mL。
Preferably, the methyl diphenylene diisocyanate in the step (1) and the mass ratio of graphene oxide solution are 4
∶1。
Preferably, the mass ratio of the methyl diphenylene diisocyanate in the step (1) and dibutyl tin dilaurate
It is 1: 0.05.
Preferably, the mass ratio of ten dihydroxy Cucurbiturils in the step (2) and n,N dimethylformamide solution is 1:
5。
Preferably, ten dihydroxy Cucurbiturils in n,N dimethylformamide solution are distributed in the step (2) by 12
Carboxyl Cucurbituril is added in the mixed solution after step (1) is reacted with the mass ratio that the mass ratio of graphene oxide is 10: 1.
Preferably, the step (1) and step (2) are reacted under nitrogen protection atmosphere.
Heavy metal absorbent is pressed 10~200mg/ by a kind of application for being prepared as described above heavy metal absorbent made from method
The additive amount of L is added in landfill leachate, and pH be 1~12, temperature be 20~100 DEG C under conditions of to landfill leachate
In heavy metal adsorbed.
Using above-mentioned technical solution, the invention has the benefit that with graphene oxide, diphenylmethane diisocyanate
Ester, ten dihydroxy Cucurbiturils are raw material, and addition n,N dimethylformamide is solvent, then is made by oxidation, cross-linking reaction process
Heavy metal absorbent, obtained adsorbent to the heavy metal in landfill leachate have large amount of adsorption, quickly, Yi Huishou it is excellent
Elegant performance is used for the removal of heavy metal ion in landfill leachate, realizes the purification of landfill leachate, economical to promotion
Cycle development is of great significance.
Specific embodiment
A kind of preparation method of the heavy metal absorbent for landfill leachate, with graphene oxide, diphenyl methane two
Isocyanates, ten dihydroxy Cucurbiturils are raw material, and n,N dimethylformamide is added as solvent, passes sequentially through oxidation, crosslinking instead
Heavy metal absorbent should be made.
Preferably comprising following steps:
(1) it will be dissolved in n,N dimethylformamide by the graphene oxide of strong acid oxidation, then diphenylmethyl be sequentially added
Alkane diisocyanate and dibutyl tin dilaurate, and the temperature of system is controlled and carries out 2.5~3.5h of reaction at 70~90 DEG C；
(2) the ten dihydroxy Cucurbiturils handled by Cucurbituril carboxylated are individually distributed to n,N dimethylformamide
In solution, then by solution be added to step (1) reaction after mixed solution in, and by control system temperature control at 60~80 DEG C
Carry out 3~4h of reaction；
(3) solution after step (2) reaction is filtered, the solid content for taking it to filter out is washed with water to during cleaning solution is in
Until property, after being then dried in vacuo, heavy metal absorbent can be prepared by.
Preferably, it is by the density of the graphene oxide solution of solvent of n,N dimethylformamide in the step (1)
10mg/mL。
Preferably, the methyl diphenylene diisocyanate in the step (1) and the mass ratio of graphene oxide solution are 4
∶1。
Preferably, the mass ratio of the methyl diphenylene diisocyanate in the step (1) and dibutyl tin dilaurate
It is 1: 0.05.
Preferably, the mass ratio of ten dihydroxy Cucurbiturils in the step (2) and n,N dimethylformamide solution is 1:
5。
Preferably, ten dihydroxy Cucurbiturils in n,N dimethylformamide solution are distributed in the step (2) by 12
Carboxyl Cucurbituril is added in the mixed solution after step (1) is reacted with the mass ratio that the mass ratio of graphene oxide is 10: 1.
Preferably, the step (1) and step (2) are reacted under nitrogen protection atmosphere.
Heavy metal absorbent is pressed 10~200mg/ by a kind of application for being prepared as described above heavy metal absorbent made from method
The additive amount of L is added in landfill leachate, and pH be 1~12, temperature be 20~100 DEG C under conditions of to landfill leachate
In heavy metal adsorbed.
Embodiment 1
A kind of preparation method of the heavy metal absorbent for landfill leachate liquid:
(1) it will be dissolved in n,N dimethylformamide by the graphene oxide of strong acid oxidation and carried out by ultrasonic device
The dispersion and dissolution for promoting graphene oxide are prepared into density and are the graphene oxide solution of 10mg/mL, then press diphenyl
Methane diisocyanate and the mass ratio of graphene oxide solution are 4: 1 addition methyl diphenylene diisocyanates and press diphenyl
Methane diisocyanate and dibutyl tin dilaurate mass ratio are to be added dibutyl tin dilaurate at 1: 0.05, and by system
Temperature control carries out reaction 3h at 80 DEG C；
(2) by the ten dihydroxy Cucurbiturils handled by Cucurbituril carboxylated by ten dihydroxy Cucurbiturils and N, N dimethyl first
The ratio that the mass ratio of amide solution is 1: 5 is individually distributed in n,N dimethylformamide solution, then presses ten dihydroxy Cucurbiturils
Solution is added in the mixed solution after step (1) is reacted by the ratio for being 10: 1 with the mass ratio of graphene oxide, and will control
System temperature control processed carries out reaction 3.5h at 70 DEG C；
(3) solution after step (2) reaction is filtered, the solid content for taking it to filter out is washed with water to neutrality, then
After being dried in vacuo, heavy metal absorbent can be prepared by.
Wherein, step (1) and step (2) are reacted under nitrogen protection atmosphere.
It by obtained heavy metal absorbent, is added in landfill leachate by the additive amount of 100mg/L, and is seeped in rubbish
Filtrate pH value is 7, temperature carries out heavy metal adsorption under conditions of being 20 DEG C, after 1h detect landfill leachate in mercury, chromium,
The concentration of arsenic, lead ion.
Embodiment 2
A kind of preparation method of the heavy metal absorbent for landfill leachate liquid:
(1) it will be dissolved in n,N dimethylformamide by the graphene oxide of strong acid oxidation and carried out by ultrasonic device
The dispersion and dissolution for promoting graphene oxide are prepared into density and are the graphene oxide solution of 10mg/mL, then press diphenyl
Methane diisocyanate and the mass ratio of graphene oxide solution are 4: 1 addition methyl diphenylene diisocyanates and press diphenyl
Methane diisocyanate and dibutyl tin dilaurate mass ratio are to be added dibutyl tin dilaurate at 1: 0.05, and by system
Temperature control carries out reaction 3h at 80 DEG C；
(2) by the ten dihydroxy Cucurbiturils handled by Cucurbituril carboxylated by ten dihydroxy Cucurbiturils and N, N dimethyl first
The ratio that the mass ratio of amide solution is 1: 5 is individually distributed in n,N dimethylformamide solution, then presses ten dihydroxy Cucurbiturils
Solution is added in the mixed solution after step (1) is reacted by the ratio for being 10: 1 with the mass ratio of graphene oxide, and will control
System temperature control processed carries out reaction 3.5h at 70 DEG C；
(3) solution after step (2) reaction is filtered, the solid content for taking it to filter out is washed with water to neutrality, then
After being dried in vacuo, heavy metal absorbent can be prepared by.
Wherein, step (1) and step (2) are reacted under nitrogen protection atmosphere.
It by obtained heavy metal absorbent, is added in landfill leachate by the additive amount of 100mg/L, and is seeped in rubbish
Filtrate pH value is 7, temperature carries out heavy metal adsorption under conditions of being 50 DEG C, after 1h detect landfill leachate in mercury, chromium,
The concentration of arsenic, lead ion.
Embodiment 3
A kind of preparation method of the heavy metal absorbent for landfill leachate liquid:
(1) it will be dissolved in n,N dimethylformamide by the graphene oxide of strong acid oxidation and carried out by ultrasonic device
The dispersion and dissolution for promoting graphene oxide are prepared into density and are the graphene oxide solution of 10mg/mL, then press diphenyl
Methane diisocyanate and the mass ratio of graphene oxide solution are 4: 1 addition methyl diphenylene diisocyanates and press diphenyl
Methane diisocyanate and dibutyl tin dilaurate mass ratio are to be added dibutyl tin dilaurate at 1: 0.05, and by system
Temperature control carries out reaction 3.5h at 70 DEG C；
(2) by the ten dihydroxy Cucurbiturils handled by Cucurbituril carboxylated by ten dihydroxy Cucurbiturils and N, N dimethyl first
The ratio that the mass ratio of amide solution is 1: 5 is individually distributed in n,N dimethylformamide solution, then presses ten dihydroxy Cucurbiturils
Solution is added in the mixed solution after step (1) is reacted by the ratio for being 10: 1 with the mass ratio of graphene oxide, and will control
System temperature control processed carries out reaction 3.5h at 70 DEG C；
(3) solution after step (2) reaction is filtered, the solid content for taking it to filter out is washed with water to neutrality, then
After being dried in vacuo, heavy metal absorbent can be prepared by.
Wherein, step (1) and step (2) are reacted under nitrogen protection atmosphere.
It by obtained heavy metal absorbent, is added in landfill leachate by the additive amount of 100mg/L, and is seeped in rubbish
Filtrate pH value is 7, temperature carries out heavy metal adsorption under conditions of being 100 DEG C, after 1h detect landfill leachate in mercury, chromium,
The concentration of arsenic, lead ion.
Embodiment 4
A kind of preparation method of the heavy metal absorbent for landfill leachate liquid:
(1) it will be dissolved in n,N dimethylformamide by the graphene oxide of strong acid oxidation and carried out by ultrasonic device
The dispersion and dissolution for promoting graphene oxide are prepared into density and are the graphene oxide solution of 10mg/mL, then press diphenyl
Methane diisocyanate and the mass ratio of graphene oxide solution are 4: 1 addition methyl diphenylene diisocyanates and press diphenyl
Methane diisocyanate and dibutyl tin dilaurate mass ratio are to be added dibutyl tin dilaurate at 1: 0.05, and by system
Temperature control carries out reaction 2.5h at 90 DEG C；
(2) by the ten dihydroxy Cucurbiturils handled by Cucurbituril carboxylated by ten dihydroxy Cucurbiturils and N, N dimethyl first
The ratio that the mass ratio of amide solution is 1: 5 is individually distributed in n,N dimethylformamide solution, then presses ten dihydroxy Cucurbiturils
Solution is added in the mixed solution after step (1) is reacted by the ratio for being 10: 1 with the mass ratio of graphene oxide, and will control
System temperature control processed carries out reaction 3h at 70 DEG C；
(3) solution after step (2) reaction is filtered, the solid content for taking it to filter out is washed with water to neutrality, then
After being dried in vacuo, heavy metal absorbent can be prepared by.
Wherein, step (1) and step (2) are reacted under nitrogen protection atmosphere.
It by obtained heavy metal absorbent, is added in landfill leachate by the additive amount of 100mg/L, and is seeped in rubbish
Filtrate pH value is 1, temperature carries out heavy metal adsorption under conditions of being 20 DEG C, after 1h detect landfill leachate in mercury, chromium,
The concentration of arsenic, lead ion.
Embodiment 5
A kind of preparation method of the heavy metal absorbent for landfill leachate liquid:
(1) it will be dissolved in n,N dimethylformamide by the graphene oxide of strong acid oxidation and carried out by ultrasonic device
The dispersion and dissolution for promoting graphene oxide are prepared into density and are the graphene oxide solution of 10mg/mL, then press diphenyl
Methane diisocyanate and the mass ratio of graphene oxide solution are 4: 1 addition methyl diphenylene diisocyanates and press diphenyl
Methane diisocyanate and dibutyl tin dilaurate mass ratio are to be added dibutyl tin dilaurate at 1: 0.05, and by system
Temperature control carries out reaction 3h at 80 DEG C；
(2) by the ten dihydroxy Cucurbiturils handled by Cucurbituril carboxylated by ten dihydroxy Cucurbiturils and N, N dimethyl first
The ratio that the mass ratio of amide solution is 1: 5 is individually distributed in n,N dimethylformamide solution, then presses ten dihydroxy Cucurbiturils
Solution is added in the mixed solution after step (1) is reacted by the ratio for being 10: 1 with the mass ratio of graphene oxide, and will control
System temperature control processed carries out reaction 3.5h at 80 DEG C；
(3) solution after step (2) reaction is filtered, the solid content for taking it to filter out is washed with water to neutrality, then
After being dried in vacuo, heavy metal absorbent can be prepared by.
Wherein, step (1) and step (2) are reacted under nitrogen protection atmosphere.
It by obtained heavy metal absorbent, is added in landfill leachate by the additive amount of 100mg/L, and is seeped in rubbish
Filtrate pH value is 10, temperature carries out heavy metal adsorption under conditions of being 20 DEG C, after 1h detect landfill leachate in mercury, chromium,
The concentration of arsenic, lead ion.
Embodiment 6
A kind of preparation method of the heavy metal absorbent for landfill leachate liquid:
(1) it will be dissolved in n,N dimethylformamide by the graphene oxide of strong acid oxidation and carried out by ultrasonic device
The dispersion and dissolution for promoting graphene oxide are prepared into density and are the graphene oxide solution of 10mg/mL, then press diphenyl
Methane diisocyanate and the mass ratio of graphene oxide solution are 4: 1 addition methyl diphenylene diisocyanates and press diphenyl
Methane diisocyanate and dibutyl tin dilaurate mass ratio are to be added dibutyl tin dilaurate at 1: 0.05, and by system
Temperature control carries out reaction 3h at 80 DEG C；
(2) by the ten dihydroxy Cucurbiturils handled by Cucurbituril carboxylated by ten dihydroxy Cucurbiturils and N, N dimethyl first
The ratio that the mass ratio of amide solution is 1: 5 is individually distributed in n,N dimethylformamide solution, then presses ten dihydroxy Cucurbiturils
Solution is added in the mixed solution after step (1) is reacted by the ratio for being 10: 1 with the mass ratio of graphene oxide, and will control
System temperature control processed carries out reaction 4h at 70 DEG C；
(3) solution after step (2) reaction is filtered, the solid content for taking it to filter out is washed with water to neutrality, then
After being dried in vacuo, heavy metal absorbent can be prepared by.
Wherein, step (1) and step (2) are reacted under nitrogen protection atmosphere.
It by obtained heavy metal absorbent, is added in landfill leachate by the additive amount of 200mg/L, and is seeped in rubbish
Filtrate pH value is 7, temperature carries out heavy metal adsorption under conditions of being 20 DEG C, after 1h detect landfill leachate in mercury, chromium,
The concentration of arsenic, lead ion.
Embodiment 7
A kind of preparation method of the heavy metal absorbent for landfill leachate liquid:
(1) it will be dissolved in n,N dimethylformamide by the graphene oxide of strong acid oxidation and carried out by ultrasonic device
The dispersion and dissolution for promoting graphene oxide are prepared into density and are the graphene oxide solution of 10mg/mL, then press diphenyl
Methane diisocyanate and the mass ratio of graphene oxide solution are 4: 1 addition methyl diphenylene diisocyanates and press diphenyl
Methane diisocyanate and dibutyl tin dilaurate mass ratio are to be added dibutyl tin dilaurate at 1: 0.05, and by system
Temperature control carries out reaction 3h at 80 DEG C；
(2) by the ten dihydroxy Cucurbiturils handled by Cucurbituril carboxylated by ten dihydroxy Cucurbiturils and N, N dimethyl first
The ratio that the mass ratio of amide solution is 1: 5 is individually distributed in n,N dimethylformamide solution, then presses ten dihydroxy Cucurbiturils
Solution is added in the mixed solution after step (1) is reacted by the ratio for being 10: 1 with the mass ratio of graphene oxide, and will control
System temperature control processed carries out reaction 3.5h at 60 DEG C；
(3) solution after step (2) reaction is filtered, the solid content for taking it to filter out is washed with water to neutrality, then
After being dried in vacuo, heavy metal absorbent can be prepared by.
Wherein, step (1) and step (2) are reacted under nitrogen protection atmosphere.
It by obtained heavy metal absorbent, is added in landfill leachate by the additive amount of 10mg/L, and is seeped in rubbish
Filtrate pH value is 7, temperature carries out heavy metal adsorption under conditions of being 20 DEG C, after 1h detect landfill leachate in mercury, chromium,
The concentration of arsenic, lead ion.
Blank control example
It measures and is stood with the landfill leachate of the same source of the medium volume of above-described embodiment as blank control group
After 2h, the concentration of mercury in detection landfill leachate, chromium, arsenic, lead ion is carried out.
The testing result of each embodiment is as follows:
The above is the embodiment of the present invention, for the ordinary skill in the art, religion according to the present invention
Lead, without departing from the principles and spirit of the present invention all equivalent changes done according to scope of the present invention patent, repair
Change, replacement and variant, is all covered by the present invention.
Claims (8)
1. a kind of preparation method of the heavy metal absorbent for landfill leachate, it is characterised in that: with graphene oxide, hexichol
Dicyclohexylmethane diisocyanate, ten dihydroxy Cucurbiturils are raw material, and n,N dimethylformamide is added as solvent, passes sequentially through oxygen
Change, heavy metal absorbent is made in cross-linking reaction；Itself the following steps are included:
(1) it will be dissolved in n,N dimethylformamide by the graphene oxide of strong acid oxidation, then diphenyl methane two be sequentially added
Isocyanates and dibutyl tin dilaurate, and the temperature of system is controlled and carries out 2.5~3.5h of reaction at 70~90 DEG C；
(2) the ten dihydroxy Cucurbiturils handled by Cucurbituril carboxylated are individually distributed to N, N-dimethylformamide solution
In, then by solution be added to step (1) reaction after mixed solution in, and by control system temperature control 60~80 DEG C carry out
React 3~4h；
(3) by step (2) reaction after solution be filtered, the solid content for taking it to filter out be washed with water to cleaning solution be in neutrality for
Only, after being then dried in vacuo, it can be prepared by heavy metal absorbent.
2. a kind of preparation method of heavy metal absorbent for landfill leachate according to claim 1, feature exist
In: in the step (1) with N, N-dimethylformamide is that the density of the graphene oxide solution of solvent is 10mg/mL.
3. a kind of preparation method of heavy metal absorbent for landfill leachate according to claim 1, feature exist
In: the mass ratio of methyl diphenylene diisocyanate and graphene oxide solution in the step (1) is 4:1.
4. a kind of preparation method of heavy metal absorbent for landfill leachate according to claim 1, feature exist
In: the mass ratio of methyl diphenylene diisocyanate and dibutyl tin dilaurate in the step (1) is 1:0.05.
5. a kind of preparation method of heavy metal absorbent for landfill leachate according to claim 1, feature exist
In: ten dihydroxy Cucurbiturils and N in the step (2), the mass ratio of N-dimethylformamide solution are 1:5.
6. a kind of preparation method of heavy metal absorbent for landfill leachate according to claim 1, feature exist
In: be distributed to N in the step (2), ten dihydroxy Cucurbiturils in N-dimethylformamide solution by ten dicarboxyl Cucurbiturils with
The mass ratio that the mass ratio of graphene oxide is 10:1 is added in the mixed solution after step (1) reaction.
7. a kind of preparation method of heavy metal absorbent for landfill leachate according to claim 1, feature exist
In: the step (1) and step (2) is reacted under nitrogen protection atmosphere.
8. the application of heavy metal absorbent made from the preparation method as described in claim 1 to 7 any claim, feature
It is: heavy metal absorbent is added in landfill leachate by the additive amount of 10~200mg/L, and is 1~12 in pH, temperature
The heavy metal in landfill leachate is adsorbed under conditions of being 20~100 DEG C.
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| CN112915984A (en) * | 2021-02-03 | 2021-06-08 | 江苏新视界先进功能纤维创新中心有限公司 | Easily-desorbed regenerated open-chain cucurbituril-based material for treating heavy metal water pollution and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004110147A1 (en) * | 2003-06-17 | 2004-12-23 | Henkel Kommanditgesellschaft Auf Aktien | Inhibition of the asexual reproduction of fungi |
| CN104722276A (en) * | 2015-04-14 | 2015-06-24 | 中国工程物理研究院材料研究所 | Magnetic cucurbit urils/grapheme oxide composite material and preparation method thereof |
| CN104826598A (en) * | 2015-04-14 | 2015-08-12 | 中山大学 | Preparation and applications of novel separation medium magnetic perhydroxycucurbit[8]uril |
-
2017
- 2017-01-24 CN CN201710062511.XA patent/CN106807339B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004110147A1 (en) * | 2003-06-17 | 2004-12-23 | Henkel Kommanditgesellschaft Auf Aktien | Inhibition of the asexual reproduction of fungi |
| CN104722276A (en) * | 2015-04-14 | 2015-06-24 | 中国工程物理研究院材料研究所 | Magnetic cucurbit urils/grapheme oxide composite material and preparation method thereof |
| CN104826598A (en) * | 2015-04-14 | 2015-08-12 | 中山大学 | Preparation and applications of novel separation medium magnetic perhydroxycucurbit[8]uril |
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