CN102962070A - Toluene disproportionation catalyst - Google Patents
Toluene disproportionation catalyst Download PDFInfo
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- CN102962070A CN102962070A CN 201210567226 CN201210567226A CN102962070A CN 102962070 A CN102962070 A CN 102962070A CN 201210567226 CN201210567226 CN 201210567226 CN 201210567226 A CN201210567226 A CN 201210567226A CN 102962070 A CN102962070 A CN 102962070A
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- toluene
- catalyst
- toluene disproportionation
- disproportionation catalyst
- nickel
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Abstract
The invention relates to a toluene disproportionation catalyst. Nickel and cobalt amorphous metal alloys are supported on a titanium dioxide supporter. The weight ratio of the nickel amorphous alloy to the cobalt amorphous alloy is 3:1. The catalyst provided by the invention has better catalytic property in toluene methylation reaction, and considers both the conversion rate of toluene and the selectivity of paraxylene. The toluene disproportionation catalyst is a high efficiency catalyst for preparing paraxylene, and has obvious advantages as compared with other catalysts. The toluene disproportionation catalyst has the advantages of high activity, favorable selectivity, slight corrosion, mild reaction conditions and the like, and therefore, can be widely used in the field of organic synthesis.
Description
Technical field
The present invention relates to a kind of catalyst, especially a kind of toluene disproportionation catalyst.
Background technology
Monochlorotoluene is the important fine chemical material of a class, can synthesize multiple medicine, agricultural chemicals, dyestuff etc. take them as raw material, and its development is so that chlorination toluene becomes chlor-alkali enterprises one of the important selection of road of walking to become more meticulous.Monochlorotoluene comprise the neighbour,, 3 kinds of isomers of parachlorotoluene, wherein purposes is parachlorotoluene the most widely, other two kinds of product current needs are relatively less, price is also relatively low.Usually monochlorotoluene obtains by the chlorination toluene technology, take chlorine as chlorinating agent, in the toluene chlorination under traditional Louis acid catalysis, one chloro-product is take adjacency pair position product as main, wherein ortho-chlorotolu'ene accounts for approximately 65%, and parachlorotoluene only accounts for 35%, m-chlorotoluene less than 1%.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of toluene disproportionation catalyst of efficient stable.
For solving the problems of the technologies described above toluene disproportionation catalyst of the present invention, nickel-loaded, cobalt amorphous metal alloy on titania support.
The weight ratio of described nickel, cobalt amorphous alloy is 3:1.
Catalyst provided by the present invention shows more excellent catalytic performance in the toluene methylation reaction, taken into account conversion ratio and the Selectivity for paraxylene of toluene; Be a kind of effective catalyst of selective preparation paraxylene, compare with other catalyst and have a clear superiority in.Because that it has is active high, selective good, the advantage such as corrosion is slight, reaction condition is gentle, is widely used in the organic synthesis field.
The specific embodiment
The present invention is described in further detail below in conjunction with the specific embodiment:
Toluene disproportionation catalyst of the present invention, nickel-loaded, cobalt amorphous metal alloy on titania support.The weight ratio of described nickel, cobalt amorphous alloy is 3:1.
The above only is to preferred embodiment of the present invention, is not that the present invention is done other forms of restriction, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equal variation.Every the present invention program's content that do not break away from, all drops in protection scope of the present invention any simple modification, equivalent variations and remodeling that above embodiment does according to technical spirit of the present invention.
Claims (2)
1. a toluene disproportionation catalyst is characterized in that: nickel-loaded, cobalt amorphous metal alloy on titania support.
2. according to toluene disproportionation catalyst claimed in claim 1, it is characterized in that: the weight ratio of described nickel, cobalt amorphous alloy is 3:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210567226 CN102962070A (en) | 2012-12-24 | 2012-12-24 | Toluene disproportionation catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210567226 CN102962070A (en) | 2012-12-24 | 2012-12-24 | Toluene disproportionation catalyst |
Publications (1)
| Publication Number | Publication Date |
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| CN102962070A true CN102962070A (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 201210567226 Pending CN102962070A (en) | 2012-12-24 | 2012-12-24 | Toluene disproportionation catalyst |
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| CN (1) | CN102962070A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112844389A (en) * | 2021-02-03 | 2021-05-28 | 合肥工业大学 | Preparation method of cobalt-nickel alloy catalyst for synthesizing d, l-menthol, prepared catalyst and application thereof |
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2012
- 2012-12-24 CN CN 201210567226 patent/CN102962070A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112844389A (en) * | 2021-02-03 | 2021-05-28 | 合肥工业大学 | Preparation method of cobalt-nickel alloy catalyst for synthesizing d, l-menthol, prepared catalyst and application thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130313 |