CN104844423A - Application of MIL-100 (Fe) in preparation of phenol through photocatalytic hydroxylation of benzene - Google Patents

Application of MIL-100 (Fe) in preparation of phenol through photocatalytic hydroxylation of benzene Download PDF

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Publication number
CN104844423A
CN104844423A CN201510153381.1A CN201510153381A CN104844423A CN 104844423 A CN104844423 A CN 104844423A CN 201510153381 A CN201510153381 A CN 201510153381A CN 104844423 A CN104844423 A CN 104844423A
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China
Prior art keywords
phenol
mil
benzene
hydroxylation
application
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CN201510153381.1A
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Chinese (zh)
Inventor
李朝晖
王登科
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Fuzhou University
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Fuzhou University
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Priority to CN201510153381.1A priority Critical patent/CN104844423A/en
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/60—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by oxidation reactions introducing directly hydroxy groups on a =CH-group belonging to a six-membered aromatic ring with the aid of other oxidants than molecular oxygen or their mixtures with molecular oxygen
    • 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
    • B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
    • B01J31/22—Organic complexes
    • B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
    • B01J31/2208—Oxygen, e.g. acetylacetonates
    • B01J31/2226—Anionic ligands, i.e. the overall ligand carries at least one formal negative charge
    • B01J31/223—At least two oxygen atoms present in one at least bidentate or bridging ligand
    • 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
    • B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
    • B01J2231/70—Oxidation reactions, e.g. epoxidation, (di)hydroxylation, dehydrogenation and analogues
    • 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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/02—Compositional aspects of complexes used, e.g. polynuclearity
    • B01J2531/0238—Complexes comprising multidentate ligands, i.e. more than 2 ionic or coordinative bonds from the central metal to the ligand, the latter having at least two donor atoms, e.g. N, O, S, P
    • 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
    • B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
    • B01J2531/80—Complexes comprising metals of Group VIII as the central metal
    • B01J2531/84—Metals of the iron group
    • B01J2531/842—Iron
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Abstract

The present invention discloses application of MIL-100 (Fe) in preparation of phenol through photocatalytic hydroxylation of benzene, and belongs to the field of photocatalytic technologies. MIL-100 (Fe) is a metal-organic framework material containing the Fe element that is high in abundance in the earth crust. According to the present invention, MIL-100 (Fe) is applied for the first time as a photocatalyst to preparation of phenol through hydroxylation of benzene; and the problems of high energy consumption, low selectivity and production of byproducts same in molar volume with the produced phenol in a three-step-method for phenol synthesization in the prior art are solved. The application of MIL-100 (Fe) in preparation of phenol through photocatalytic hydroxylation of benzene is simple in process, low in cost, and capable of meeting the practical production demands, and has a relatively great potential for application.

Description

The application of MIL-100 (Fe) in the photochemical catalysis hydroxylation phenol of benzene
Technical field
The invention belongs to photocatalysis technology field, be specifically related to a kind of Fe Base Metal-organic framework materials MIL-100 (Fe), with H 2o 2for realizing the application in the hydroxylation phenol of benzene under oxygenant and excited by visible light.
Background technology
Phenol is a kind of important chemical intermediate, and its purposes widely.Enter 21 century, along with the continuous quickening of industrialization and modernization, the consumption of phenol also sharply increases.But the phenol wretched insufficiency of current industrial production, be difficult to meet growing demand.Industrial production is based on cumene method, and by three step synthesizing phenols, the method has the advantage of starting material cheapness, but it is large and produce the shortcoming of by product of almost equimolar amount to be attended by seriously polluted, energy expenditure.Therefore, in order to solve these shortcomings and meet the demand of social Pyrogentisinic Acid and the requirement of economic environment, development of new, clean Phenol Synthesize Methods are extremely urgent.How development of new, clean Phenol Synthesize Methods and effectively reduce energy consumption and environmental pollution, causes the extensive concern of countries in the world scientists.Up till now, the catalyzer much with catalysis hydroxylation benzene generation phenol is developed, the particularly inorganic materials of doped F e, and they are promote that the synthesis of phenol provides new approaches.But the great majority in these catalyzer all need just have catalytic activity in a heated condition.This not only needs huge energy consumption, as the consumption of fossil oil, but also has increased the weight of environmental pollution.If can replace fossil oil with a kind of energy of clean cheapness, this is by the reduction of the saving and environmental pollution that are conducive to Nonrenewable energy resources.
Sun power is a kind of clean reproducible energy, utilizes Driven by Solar Energy chemical reaction to be considered to be a kind of technology with great potential, therefore receives showing great attention to of domestic and international scientist.The photochemical catalysis that development in recent years is got up is that a kind of sun power that can directly utilize is converted into the technology of chemical energy, has environmental protection, the feature of non-secondary pollution.Specific surface area avtive spot that is large, that expose is many owing to having for metal-organic framework materials (MOFs), structure easy-regulating and the feature such as chemical stability is good, is used to heterogeneous catalytic system gradually as catalyzer.Again because its metal-oxygen cluster can regard inorganic semiconductor as, part can be used as nano-antenna, and this makes MOFs be expected to play a significant role in photocatalysis field.If can be applied to the hydroxylation of benzene in conjunction with the feature of MOFs material and the effect in photochemical catalysis, this brings new hope by phenol production.
Summary of the invention
The object of the present invention is to provide the application of MIL-100 (Fe) in the photochemical catalysis hydroxylation phenol of benzene.The metal-organic framework materials MIL-100 (Fe) formed with the Fe element of earth's crust rich content, for photocatalyst, is applied to the reaction of the photochemical catalysis hydroxylation phenol of benzene.Selectivity of product is high, and system stability is good, and experimental implementation is simple and easy to do, has broad application prospects.
For achieving the above object, the present invention adopts following technical scheme:
Described MIL-100 (Fe) is applied to the visible light catalytic hydroxylation phenol of benzene.Described reaction system is with H 2o 2for oxygenant, MIL-100 (Fe) is photocatalyst.
Described photocatalyst MIL-100 (Fe) passes through water heat transfer.Its synthesis step is: the Fe (NO by mol ratio being 1.2:1 ~ 1.5:1 respectively 3) 39H 2o, H 3bTC adds 5mL H 2in O, obtain the mixed solution be suspended after stirring 10 ~ 15min, this is suspended mixed solution and transfers in the water heating kettle of 100mL, at 160 ~ 180 DEG C, react 12h.Filtration obtains solid, washing and drying.
Remarkable advantage of the present invention is:
(1) MIL-100 (Fe) is applied to the hydroxylation phenol of visible light catalytic benzene by the present invention first.
(2) the more traditional Phenol Synthesize Methods energy efficient of hydroxylation phenol system of visible light catalytic benzene of the present invention, reduce environmental pollution and selectivity higher.
(3) Examination on experimental operation of the present invention is simple, is conducive to large-scale popularization.
Accompanying drawing explanation
Fig. 1 is X-ray diffraction (XRD) figure of catalyzer MIL-100 (Fe) of the present invention.
Fig. 2 is the UV-Vis DRS figure of catalyzer MIL-100 (Fe) of the present invention.
Fig. 3 is of the present invention with the conversion-time plot of MIL-100 (Fe) for catalyzer photochemical catalysis hydroxylation benzene generation phenol: under curve (a) has the condition of catalyzer and illumination, benzene hydroxylation transforms situation; Curve (b) is that after light-catalyzed reaction 4h, after filtering catalyst, benzene hydroxylation transforms situation; Curve (c, d) is that under catalyst-free or non-illuminated conditions, benzene hydroxylation transforms situation.
Embodiment
Be below several embodiments of the present invention, further illustrate the present invention, but the present invention is not limited only to this.
Embodiment 1
The preparation of MIL-100 (Fe) photocatalyst
Be the Fe (NO of 1.2:1 ~ 1.5:1 respectively by mol ratio 3) 39H 2o, H 3bTC adds 5mL H 2in O, obtain the mixed solution be suspended after stirring 10 ~ 15min, this is suspended mixed solution and transfers in the water heating kettle of 100mL, at 160 ~ 180 DEG C, react 12h.Filtration obtains solid, washing and drying.Fig. 1 illustrates X-ray diffraction (XRD) figure of visible light catalyst MIL-100 (Fe) of the present invention, can find that the MIL-100 (Fe) prepared is pure phase from figure.Fig. 2 illustrates the UV-Vis DRS figure of visible light catalyst MIL-100 (Fe) of the present invention, and the energy of absorption edge of MIL-100 (Fe) extends to 600nm as can be seen from FIG., effectively can absorb visible ray.
Embodiment 2
MIL-100 (Fe) photocatalyst benzene hydroxylation phenol
By the Fe Base Metal of preparation-organic framework materials MIL-100 (Fe) photocatalyst hydroxylation benzene, take 10mg catalyzer and add 2mL acetonitrile, 2mL water, 44 μ L benzene, more dropwise add 42 μ LH under stirring 2o 2(30wt%).Then open light source and carry out light-catalyzed reaction, product uses gas chromatographic detection.The light source that experiment uses is 300 W xenon lamps, uses spectral filter to ensure that incident light is for visible ray (420 nm< λ <800 nm).The conversion situation of benzene as shown in Figure 3, can find out when there being catalyzer from figure, benzene transformation efficiency after illumination 8h reaches 20.1%(curve a), after light-catalyzed reaction 4h after filtering catalyst, the transformation efficiency of benzene is substantially constant (curve b), and do not adding catalyzer or not under illumination condition, the transformation efficiency of benzene is zero (curve c, d) substantially.Therefore, MIL-100 (Fe) has efficient photochemical catalysis benzene hydroxylation performance.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.

Claims (3)

  1. The application of 1.MIL-100 (Fe) in the photochemical catalysis hydroxylation phenol of benzene, is characterized in that: described MIL-100 (Fe) is applied to the photochemical catalysis hydroxylation phenol of benzene.
  2. 2. application according to claim 1, is characterized in that: described MIL-100 (Fe) is applied to visible light catalytic hydroxylation benzene and prepares phenol.
  3. 3. application according to claim 2, is characterized in that: described reaction system is with H 2o 2for oxygenant.
CN201510153381.1A 2015-04-02 2015-04-02 Application of MIL-100 (Fe) in preparation of phenol through photocatalytic hydroxylation of benzene Pending CN104844423A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105170186A (en) * 2015-09-09 2015-12-23 济南大学 Preparation method of core-shell structure BiOX@MTL(Fe) photocatalyst
CN105618142A (en) * 2016-01-08 2016-06-01 福州大学 Pd@MIL-100(Fe) as well as preparation method and application thereof
CN106064101A (en) * 2016-06-20 2016-11-02 广东工业大学 A kind of iron-based MOFs catalysis material and preparation and application thereof
CN106238100A (en) * 2016-07-28 2016-12-21 北京科技大学 The preparation of titanium dioxide nanoplate load MIL 100 (Fe) composite photocatalyst material and application process
CN108424353A (en) * 2018-03-21 2018-08-21 新沂市中诺新材料科技有限公司 A kind of synthetic method of benzene hydroxylation phenol
CN110639618A (en) * 2019-10-14 2020-01-03 山东科技大学 Freeze-drying type porous MIL-100 catalyst for benzene hydroxylation reaction and preparation method and application thereof

Citations (1)

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US20080023451A1 (en) * 2006-07-27 2008-01-31 Salsich Anthony V Method and apparatus for automatically controlling gas pressure for a plasma cutter

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US20080023451A1 (en) * 2006-07-27 2008-01-31 Salsich Anthony V Method and apparatus for automatically controlling gas pressure for a plasma cutter

Non-Patent Citations (3)

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JIAN-WEI ZHANG ET AL.: ""Water-stable metal-organic frameworks with intrinsic peroxidase-like catalytic activity as a colorimetric biosensing platform"", 《CHEM. COMMUN.》 *
KATRIEN G. M. LAURIER ET AL.: ""Iron(III)-Based Metal−Organic Frameworks As Visible Light Photocatalysts"", 《 J. AM. CHEM. SOC.》 *
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105170186A (en) * 2015-09-09 2015-12-23 济南大学 Preparation method of core-shell structure BiOX@MTL(Fe) photocatalyst
CN105618142A (en) * 2016-01-08 2016-06-01 福州大学 Pd@MIL-100(Fe) as well as preparation method and application thereof
CN105618142B (en) * 2016-01-08 2018-05-04 福州大学 A kind of Pd@MIL-100 (Fe) and preparation method and application
CN106064101A (en) * 2016-06-20 2016-11-02 广东工业大学 A kind of iron-based MOFs catalysis material and preparation and application thereof
CN106238100A (en) * 2016-07-28 2016-12-21 北京科技大学 The preparation of titanium dioxide nanoplate load MIL 100 (Fe) composite photocatalyst material and application process
CN106238100B (en) * 2016-07-28 2018-10-19 北京科技大学 Titanium dioxide nanoplate loads the preparation and application process of MIL-100 (Fe) composite photocatalyst material
CN108424353A (en) * 2018-03-21 2018-08-21 新沂市中诺新材料科技有限公司 A kind of synthetic method of benzene hydroxylation phenol
CN108424353B (en) * 2018-03-21 2021-04-20 唐山旭阳化工有限公司 Synthetic method for preparing phenol by benzene hydroxylation
CN110639618A (en) * 2019-10-14 2020-01-03 山东科技大学 Freeze-drying type porous MIL-100 catalyst for benzene hydroxylation reaction and preparation method and application thereof

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