CN103447090B - P-methyl benzoic acid uranyl complex photocatalyst - Google Patents
P-methyl benzoic acid uranyl complex photocatalyst Download PDFInfo
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- CN103447090B CN103447090B CN201310313907.9A CN201310313907A CN103447090B CN 103447090 B CN103447090 B CN 103447090B CN 201310313907 A CN201310313907 A CN 201310313907A CN 103447090 B CN103447090 B CN 103447090B
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- benzoic acid
- methyl benzoic
- complex photocatalyst
- uranyl complex
- photocatalyst
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The invention discloses a p-methyl benzoic acid uranyl complex photocatalyst. The molecular formula of the p-methyl benzoic acid uranyl complex photocatalyst is [(UO2)(C2H6SO)(p-CH3-C6H4-COO)2]2, wherein p-CH3-C6H4-COOH in the formula is p-methyl benzoic acid. The p-methyl benzoic acid uranyl complex photocatalyst can degrade dyes and organic pollutants, and the p-methyl benzoic acid uranyl complex photocatalyst can be recycled by a centrifugal separation method, thus, secondary pollution possibly caused by the catalyst is avoided.
Description
Technical field
The present invention relates to photochemical catalyst, be specifically related to a kind of P-methyl benzoic acid uranyl complex photocatalyst.
Background technology
Along with the development of industrial process, the living standard of people obtains and increases substantially, but the environment of meanwhile also depending on for existence to people brings destructive influences.A large amount of dyestuffs, hormone, residues of banned pesticides etc. all can be had to have the harmful substance of great threat constantly to enter rivers,lakes and seas to our health every year, these harmful substances bring great impact to biological existence.How low energy consumption, low cost, the noxious materials such as the dyestuff in dynamical removal industrial wastewater have become the focus that people pay close attention to, and use photochemical catalyst to solve the selection best beyond doubt of this problem.Because photocatalysis technology has the potential application that can directly utilize solar energy to solve the problem such as exhaustion and earth environment pollution of the energy, thus the preparation of photochemical catalyst causes the great interest of people.Environmental pollution, various countries environmental science worker has carried out extensive and deep exploration in this field of photocatalysis, achieves many gratifying achievements, and obtain application in environmental protection.Especially the many organic pollutant degradations in water can be CO by photocatalysis technology
2and H
2the simple inorganic matter such as O, have that energy consumption is low, easy and simple to handle, reaction condition is gentle, the advantages such as catalyst recyclable recycling non-secondary pollution Sum decomposition speed is fast, become new energy-efficient environmental pollution treatment technology, if publication number is the application for a patent for invention of CN1618518, disclose with TiO
2be the composite photo-catalyst of raw material with ZnO, can be used for curbing environmental pollution.For this problem, the present invention develops the good Complexes of Uranyl photochemical catalyst of a kind of Photocatalytic Degradation Property.
Summary of the invention
Technical problem to be solved by this invention is to provide the P-methyl benzoic acid uranyl complex photocatalyst of a kind of degradable dyestuff and organic pollution.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of P-methyl benzoic acid uranyl complex photocatalyst, and its molecular formula is [(UO
2) (C
2h
6sO) (p – CH
3– C
6h
4– COOH)
2]
2, p – CH in formula
3– C
6h
4– COOH is p-methylbenzoic acid.
The cell parameter of this P-methyl benzoic acid uranyl complex photocatalyst crystal is:
β=99.13 (3) °.For monoclinic system, belong to C2/c space group.
Compared with prior art, the invention has the advantages that a kind of P-methyl benzoic acid uranyl complex photocatalyst, the molecular formula of this photochemical catalyst is [(UO
2) (C
2h
6sO) (p – CH
3– C
6h
4– COOH)
2]
2, C in molecular formula
2h
6sO is dimethyl sulfoxide (DMSO), p – CH
3– C
6h
4– COOH is p-methylbenzoic acid.This P-methyl benzoic acid uranyl complex photocatalyst degradable dyestuff and organic pollution, and this P-methyl benzoic acid uranyl complex photocatalyst can use centrifugal separation method recycling, avoids the secondary pollution that this catalyst may cause.
Accompanying drawing explanation
Fig. 1 is the molecular structure of photochemical catalyst of the present invention;
Fig. 2 is the comparison diagram that PXRD collection of illustrative plates simulated by the PXRD collection of illustrative plates of photochemical catalyst of the present invention and monocrystalline;
Fig. 3 is the photocatalytic degradation curve map of photochemical catalyst of the present invention to rhodamine B.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment 1
Take 0.5mmol uranium acetate (UO
2ac
22H
2o) 10mL H is dissolved in
2in O, dissolve to obtain yellow solution, separately take 1.5mmol p-methylbenzoic acid (p – CH
3– C
6h
4– COOH) be dissolved in the mixed solvent (V/V=1:1) of 20mL water and methyl alcohol, stirring and dissolving, adds 0.5mL NaOH (1M) subsequently; Above-mentioned two kinds of solution mix and blends, solution turned cloudy, then drip 0.5mL NaOH (1M) and stir afterwards, filter, obtain light yellow settled solution, record pH=5.47, drip 0.5mL dimethyl sulfoxide (DMSO) (C
2h
6sO), obtain yellow product after 2 months, this yellow product is molecular formula [(UO
2) (C
2h
6sO) (p – CH
3– C
6h
4– COOH)
2]
2a kind of P-methyl benzoic acid uranyl complex photocatalyst.By yellow product grind into powder, be placed in photochemical catalyst reactor, and the aqueous solution containing rhodamine B is injected wherein, turn on agitator, under xenon lamp 500W UV-irradiation, 200 minutes can by the rhodamine B degraded 94.1% in the aqueous solution, substantially be degraded completely, obtain photocatalytic degradation curve map as shown in Figure 3, as seen from Figure 3, when the irradiation of 500W xenon lamp does not have catalyst, do not add above-mentioned catalyst rhodamine B not degrade, after adding above-mentioned catalyst, rhodamine B generation obvious degradation, after 200min, be substantially degraded completely.Catalyst recovery can recycle by centrifugal by Complexes of Uranyl photochemical catalyst.Bruker D8Focus powder diffractometer 2 θ angular range is adopted to be 5 – 50 °, with the sweep speed of 8 °/min, this Complexes of Uranyl photochemical catalyst is scanned, at room temperature collect the powder diffraction spectrum (PXRD) of sample, and simulate PXRD with monocrystalline and scheme to contrast, can perfect matching, illustrate that product is pure phase, purity is not less than 99%.
Embodiment 2
Substantially the same manner as Example 1, difference is that uranium acetate is substituted by uranyl nitrate, and p-methylbenzoic acid is that 1mmol, NaOH (1M) secondary drips 0.5mL, each 0.25mL altogether, and dimethyl sulfoxide (DMSO) dripping quantity is 1.0mL.In photochemical catalyst reactor, the aqueous solution of rhodamine B is substituted by the aqueous solution of methylene orange or methyl blue.
Claims (2)
1. a P-methyl benzoic acid uranyl complex photocatalyst, is characterized in that the molecular formula of this Complexes of Uranyl photochemical catalyst is for [(UO
2) (C
2h
6sO) (p – CH
3– C
6h
4– COOH)
2]
2, C in formula
2h
6sO is dimethyl sulfoxide (DMSO), p – CH
3– C
6h
4– COOH is p-methylbenzoic acid.
2. a kind of P-methyl benzoic acid uranyl complex photocatalyst as claimed in claim 1, is characterized in that the cell parameter of the crystal of this P-methyl benzoic acid uranyl complex photocatalyst is:
β=99.13 (3) °.
Priority Applications (1)
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| CN201310313907.9A CN103447090B (en) | 2013-07-23 | 2013-07-23 | P-methyl benzoic acid uranyl complex photocatalyst |
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|---|---|---|---|
| CN201310313907.9A CN103447090B (en) | 2013-07-23 | 2013-07-23 | P-methyl benzoic acid uranyl complex photocatalyst |
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| Publication Number | Publication Date |
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| CN103447090A CN103447090A (en) | 2013-12-18 |
| CN103447090B true CN103447090B (en) | 2015-05-06 |
Family
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107955026B (en) * | 2016-10-15 | 2019-10-22 | 宁波大学 | One kind one is hydrated malonic acid uranyl cadmium ferroelectric function material and preparation method thereof |
| CN107029687A (en) * | 2017-02-22 | 2017-08-11 | 东莞市佳乾新材料科技有限公司 | A kind of earth silicon/titanic oxide composite of carbon containing point and preparation method thereof |
| CN109107608A (en) * | 2017-06-23 | 2019-01-01 | 宁波大学 | A kind of paranitrobenzoic acid Complexes of Uranyl photochemical catalyst and preparation method thereof |
| CN111215145A (en) * | 2018-11-26 | 2020-06-02 | 宁波大学 | 2-nitro terephthalic acid uranyl complex photocatalyst |
| CN110003248B (en) * | 2019-04-03 | 2022-09-02 | 东华理工大学 | Polycarboxylic acid uranyl complex photocatalyst and preparation method thereof |
| CN109939739A (en) * | 2019-04-03 | 2019-06-28 | 东华理工大学 | A kind of 5- nitro-l,2,3 benzene tricarboxylic acid Complexes of Uranyl photochemical catalyst and preparation method thereof |
| CN114956252B (en) * | 2022-06-02 | 2023-04-21 | 华北电力大学 | Method for degrading organic dye-containing wastewater by utilizing uranium-containing wastewater photocatalysis |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249331A (en) * | 2011-04-19 | 2011-11-23 | 中国原子能科学研究院 | Preparation method of tetravalent uranium solution |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE10321901A1 (en) * | 2003-05-06 | 2004-12-02 | Proteosys Ag | Affinity enrichment of phosphorylated peptides and / or proteins |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249331A (en) * | 2011-04-19 | 2011-11-23 | 中国原子能科学研究院 | Preparation method of tetravalent uranium solution |
Non-Patent Citations (2)
| Title |
|---|
| Fully relativistic correlated benchmark results for uranyl and a critical look at relativistic effective core potentials for uranium;W.A.De Jong等;《Theoretical Chemistry Accounts》;20011231;第107卷;第22-26页 * |
| 钍(Ⅳ)和铀酰离子与水杨醛缩邻氨基苯甲酸配合物的合成与表征;范玉华等;《核化学与放射化学》;19990228;第21卷(第1期);第41-45页 * |
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