CN108097315A - A kind of support type NH2The synthetic method of-UiO-66 hydrogenation catalysts and application - Google Patents

A kind of support type NH2The synthetic method of-UiO-66 hydrogenation catalysts and application Download PDF

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CN108097315A
CN108097315A CN201711146266.7A CN201711146266A CN108097315A CN 108097315 A CN108097315 A CN 108097315A CN 201711146266 A CN201711146266 A CN 201711146266A CN 108097315 A CN108097315 A CN 108097315A
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uio
support type
hydrogenation catalysts
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synthetic method
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刘静
雷建都
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Beijing Forestry University
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Beijing Forestry University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/1691Coordination polymers, e.g. metal-organic frameworks [MOF]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/30Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/391Physical properties of the active metal ingredient
    • B01J35/394Metal dispersion value, e.g. percentage or fraction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61Surface area
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01Preparation of ethers
    • C07C41/18Preparation of ethers by reactions not forming ether-oxygen bonds
    • C07C41/26Preparation of ethers by reactions not forming ether-oxygen bonds by introduction of hydroxy or O-metal groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2231/00Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/60Reduction reactions, e.g. hydrogenation
    • B01J2231/64Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
    • B01J2231/641Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes
    • B01J2231/643Hydrogenation of organic substrates, i.e. H2 or H-transfer hydrogenations, e.g. Fischer-Tropsch processes of R2C=O or R2C=NR (R= C, H)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2531/00Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/40Complexes comprising metals of Group IV (IVA or IVB) as the central metal
    • B01J2531/48Zirconium

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)

Abstract

A kind of support type NH2The synthetic method of 66 hydrogenation catalysts of UiO and application, belong to catalyst synthesis technology field.NH is synthesized by hydro-thermal method first2Then UiO 66 impregnates precious metal salt solution (such as ruthenium, rhodium, palladium, platinum), finally obtains support type NH266 hydrogenation catalysts of UiO, the catalyst can be applied to the hydrogenation catalyst reaction of vanillic aldehyde.Support type NH produced by the present invention2The characteristics of 66 hydrogenation catalysts of UiO have large specific surface area, and metal dispersion is good, and hydrogenation activity site is more, and the hydrogenation catalyst preparation method is simple, and catalytic activity is strong, and catalyst stability is good, is expected to realize commercial Application.

Description

A kind of support type NH2The synthetic method of-UiO-66 hydrogenation catalysts and application
(1) technical field
The present invention relates to a kind of support type NH2The synthetic method of-UiO-66 hydrogenation catalysts and application belong to catalyst conjunction Into technical field.
(2) background technology
UiO-66 is a kind of metal-organic framework materials (MOFs) with good thermal stability and chemical stability, NH2- UiO-66 is the amination material of UiO-66, it is with Zr4+For metal, prepared by ligand of 2- amino terephthalic acid (TPA) 's.NH2There is Lewis acid (Zr in-UiO-66 materials4+) and weak base (- NH2) concerted catalysis effect, have been found Excellent catalytic performance is shown in Knoevenagel condensation reactions and in Cross-condensation reaction.
The present invention has synthesized a kind of support type NH2- UiO-66 hydrogenation catalysts, with NH2- UiO-66 is carrier, passes through load Noble metal (such as ruthenium, rhodium, palladium, platinum etc.), obtains obtaining support type NH2- UiO-66 hydrogenation catalysts, can be applied to vanillic aldehyde Hydrogenation catalyst reacts.
(3) content of the invention
A kind of support type NH of the present invention2The synthetic method of-UiO-66 hydrogenation catalysts and application specifically include following step Suddenly:
(1) the zirconium source of 30~70mg, the organic ligand of 100~150mg, 0.5~4ml acid solutions and 1~10ml are weighed Dimethylformamide, after mixing, be 1~5h of hydro-thermal process at 100~150 DEG C in temperature, obtain mixture.
Zirconium source described in step (1) is zirconium chloride, one kind in zirconium nitrate;Organic ligand is 2- amino terephthaldehydes One kind in acid, 3- aminophthalic acids;Acid solution is hydrochloric acid, one kind in glacial acetic acid.
(2) mixture in step (1) is stood into 12~48h at room temperature, then carries out centrifugal treating, precipitated Object, then washed respectively 2~4 times using dimethylformamide and absolute ethyl alcohol successively, vacuum at being finally 50~80 DEG C in temperature Dry 12~48h is to get to NH2-UiO-66。
(3) NH for obtaining step (2)2- UiO-66 is put into the precious metal salt solution that mass concentration is 1~2%, stirring Then 10~48h is washed with acetone, be dried in vacuo 12~48h in the case where temperature is 50~80 DEG C, finally obtain support type NH2- UiO-66 hydrogenation catalysts.
Precious metal salt described in step (3) is nitric acid ruthenium, one kind in radium chloride, palladium nitrate, platinum chloride.
A kind of support type NH of the present invention2- UiO-66 hydrogenation catalysts can be applied to the hydrogenation catalyst reaction of vanillic aldehyde.
The advantage of the invention is that:
1st, a kind of support type NH proposed by the present invention2The synthetic method of-UiO-66 hydrogenation catalysts and application, with NH2- The characteristics of UiO-66 is carrier, has large specific surface area, and metal dispersion is good, and hydrogenation activity site is more.
2nd, a kind of support type NH proposed by the present invention2The synthetic method of-UiO-66 hydrogenation catalysts and application, the hydrogenation are urged Agent preparation method is simple, and catalytic activity is strong, and catalyst stability is good, is expected to realize commercial Application.
(4) illustrate
Fig. 1:A kind of support type NH proposed by the present invention2The synthetic method of-UiO-66 hydrogenation catalysts and the technique of application Flow chart.
(5) specific embodiment
The technical characterstic of the present invention is described in detail below in conjunction with the drawings and specific embodiments, as shown in Figure 1.
Embodiment 1:
A kind of support type NH of the present invention2The synthetic method of-UiO-66 hydrogenation catalysts and application specifically include following step Suddenly:
(1) dimethylformamide of the zirconium source of 50mg, the organic ligand of 120mg, 1.5ml acid solutions and 5ml are weighed, is mixed After closing uniformly, the hydro-thermal process 3h in the case where temperature is 120 DEG C obtains mixture.
Zirconium source described in step (1) is zirconium chloride;Organic ligand is 2- amino terephthalic acid (TPA)s;Acid solution is salt Acid.
(2) mixture in step (1) is stood for 24 hours at room temperature, then carries out centrifugal treating, obtain sediment, then Washed respectively 3 times using dimethylformamide and absolute ethyl alcohol successively, be finally dried in vacuo in the case where temperature is 60 DEG C for 24 hours to get To NH2-UiO-66。
(3) NH for obtaining step (2)2- UiO-66 is put into the precious metal salt solution that mass concentration is 1.5%, stirring For 24 hours, then washed with acetone, be dried in vacuo for 24 hours in the case where temperature is 60 DEG C, finally obtain support type NH2- UiO-66 hydrogenation catalysts Agent.
Precious metal salt described in step (3) is nitric acid ruthenium.
A kind of support type NH of the present invention2- UiO-66 hydrogenation catalysts can be applied to the hydrogenation catalyst reaction of vanillic aldehyde.
The result shows that support type NH2- UiO-66 hydrogenation catalysts are in the 30min of reaction to the conversion ratio energy of vanillic aldehyde Reach 98%, selectivity of product reaches 95%.
Embodiment 2:
A kind of support type NH of the present invention2The synthetic method of-UiO-66 hydrogenation catalysts and application specifically include following step Suddenly:
(1) dimethylformamide of the zirconium source of 30mg, the organic ligand of 100mg, 0.5ml acid solutions and 1ml are weighed, is mixed After closing uniformly, the hydro-thermal process 5h in the case where temperature is 100 DEG C obtains mixture.
Zirconium source described in step (1) is zirconium nitrate;Organic ligand is 3- aminophthalic acids;Acid solution is salt Acid.
(2) mixture in step (1) is stood into 12h at room temperature, then carries out centrifugal treating, obtain sediment, then Washed respectively 2 times using dimethylformamide and absolute ethyl alcohol successively, be finally dried in vacuo in the case where temperature is 50 DEG C 48h to get To NH2-UiO-66。
(3) NH for obtaining step (2)2- UiO-66 is put into the precious metal salt solution that mass concentration is 1%, stirring Then 10h is washed with acetone, be dried in vacuo 48h in the case where temperature is 50 DEG C, finally obtain support type NH2- UiO-66 hydrogenation catalysts Agent.
Precious metal salt described in step (3) is radium chloride.
A kind of support type NH of the present invention2- UiO-66 hydrogenation catalysts can be applied to the hydrogenation catalyst reaction of vanillic aldehyde.
The result shows that support type NH2- UiO-66 hydrogenation catalysts are in the 30min of reaction to the conversion ratio energy of vanillic aldehyde Reach 95%, selectivity of product reaches 90%.
Embodiment 3:
A kind of support type NH of the present invention2The synthetic method of-UiO-66 hydrogenation catalysts and application specifically include following step Suddenly:
(1) dimethylformamide of the zirconium source of 70mg, the organic ligand of 150mg, 4ml acid solutions and 10ml are weighed, is mixed After closing uniformly, the hydro-thermal process 1h in the case where temperature is 150 DEG C obtains mixture.
Zirconium source described in step (1) is zirconium chloride;Organic ligand is 2- amino terephthalic acid (TPA)s;Acid solution is ice vinegar Acid.
(2) mixture in step (1) is stood into 12h at room temperature, then carries out centrifugal treating, obtain sediment, then Washed respectively 4 times using dimethylformamide and absolute ethyl alcohol successively, be finally dried in vacuo in the case where temperature is 80 DEG C 12h to get To NH2-UiO-66。
(3) NH for obtaining step (2)2- UiO-66 is put into the precious metal salt solution that mass concentration is 2%, stirring Then 48h is washed with acetone, be dried in vacuo 12h in the case where temperature is 80 DEG C, finally obtain support type NH2- UiO-66 hydrogenation catalysts Agent.
Precious metal salt described in step (3) is palladium nitrate.
A kind of support type NH of the present invention2- UiO-66 hydrogenation catalysts can be applied to the hydrogenation catalyst reaction of vanillic aldehyde.
The result shows that support type NH2- UiO-66 hydrogenation catalysts are in the 30min of reaction to the conversion ratio energy of vanillic aldehyde Reach 90%, selectivity of product reaches 92%.

Claims (6)

1. a kind of support type NH2The synthetic method of-UiO-66 hydrogenation catalysts and application, which is characterized in that this method specifically includes Following steps:
(1) the two of the zirconium source of 30~70mg, the organic ligand of 100~150mg, 0.5~4ml acid solutions and 1~10ml are weighed Methylformamide, after mixing, 1~5h of hydro-thermal process in the case where temperature is 100~150 DEG C obtains mixture;
(2) mixture in step (1) is stood into 12~48h at room temperature, then carries out centrifugal treating, obtain sediment, then It is washed respectively 2~4 times using dimethylformamide and absolute ethyl alcohol successively, is finally dried in vacuo 12 in the case where temperature is 50~80 DEG C ~48h is to get to NH2-UiO-66;
(3) NH for obtaining step (2)2- UiO-66 is put into the precious metal salt solution that mass concentration is 1~2%, and stirring 10~ Then 48h is washed with acetone, be dried in vacuo 12~48h in the case where temperature is 50~80 DEG C, finally obtain support type NH2-UiO-66 Hydrogenation catalyst.
2. a kind of support type NH according to claim 12The synthetic method of-UiO-66 hydrogenation catalysts and application, feature It is:The zirconium source is zirconium chloride, one kind in zirconium nitrate.
3. a kind of support type NH according to claim 12The synthetic method of-UiO-66 hydrogenation catalysts and application, feature It is:The organic ligand is 2- amino terephthalic acid (TPA), one kind in 3- aminophthalic acids.
4. a kind of support type NH according to claim 12The synthetic method of-UiO-66 hydrogenation catalysts and application, feature It is:The acid solution is hydrochloric acid, one kind in glacial acetic acid.
5. a kind of support type NH according to claim 12The synthetic method of-UiO-66 hydrogenation catalysts and application, feature It is:The precious metal salt is nitric acid ruthenium, one kind in radium chloride, palladium nitrate, platinum chloride.
6. a kind of support type NH according to claim 12The synthetic method of-UiO-66 hydrogenation catalysts and application, feature It is:The hydrogenation catalyst that it is applied to vanillic aldehyde reacts.
CN201711146266.7A 2017-11-17 2017-11-17 A kind of support type NH2The synthetic method of-UiO-66 hydrogenation catalysts and application Pending CN108097315A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110665546A (en) * 2019-09-03 2020-01-10 北京氦舶科技有限责任公司 Noble metal/amino MOFs selective hydrogenation catalyst, preparation method and application thereof
CN111054443A (en) * 2019-12-26 2020-04-24 华南理工大学 Zirconium-based MOF catalyst loaded with double active sites and preparation method and application thereof
CN111359672A (en) * 2020-03-31 2020-07-03 上海应用技术大学 UiO-67 loaded Rh-based catalyst, and preparation method and application thereof
CN113083365A (en) * 2021-04-06 2021-07-09 中山大学 Preparation method and application of high-hydrogenation-selectivity Pt-based alloy/MOFs catalyst
CN114797991A (en) * 2022-03-24 2022-07-29 北京化工大学 Rubber hydrogenation catalyst, preparation method, recovery method and application thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110665546A (en) * 2019-09-03 2020-01-10 北京氦舶科技有限责任公司 Noble metal/amino MOFs selective hydrogenation catalyst, preparation method and application thereof
CN111054443A (en) * 2019-12-26 2020-04-24 华南理工大学 Zirconium-based MOF catalyst loaded with double active sites and preparation method and application thereof
CN111359672A (en) * 2020-03-31 2020-07-03 上海应用技术大学 UiO-67 loaded Rh-based catalyst, and preparation method and application thereof
CN111359672B (en) * 2020-03-31 2023-02-07 上海应用技术大学 UiO-67 loaded Rh-based catalyst, and preparation method and application thereof
CN113083365A (en) * 2021-04-06 2021-07-09 中山大学 Preparation method and application of high-hydrogenation-selectivity Pt-based alloy/MOFs catalyst
CN113083365B (en) * 2021-04-06 2022-02-18 中山大学 Preparation method and application of high-hydrogenation-selectivity Pt-based alloy/MOFs catalyst
CN114797991A (en) * 2022-03-24 2022-07-29 北京化工大学 Rubber hydrogenation catalyst, preparation method, recovery method and application thereof
CN114797991B (en) * 2022-03-24 2023-09-01 北京化工大学 Rubber hydrogenation catalyst, preparation method, recovery method and application thereof

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Application publication date: 20180601