Dehydration catalyst and preparation method thereof and application of dehydration catalyst in production of isobutene by dehydration of tert-butyl alcohol
A dehydration catalyst and catalyst technology, applied in the direction of catalysts, carbon compound catalysts, physical/chemical process catalysts, etc., can solve the problems of less types of downstream products, low effective utilization rate, and excess capacity of tert-butanol, etc., and achieve good technical results Effect
Pending Publication Date: 2022-01-14
CHINA PETROLEUM & CHEM CORP +1
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Abstract
The invention discloses a dehydration catalyst and a preparation method thereof, and application of the dehydration catalyst in production of high-purity isobutene by dehydration of tert-butyl alcohol. The catalyst is prepared from the following components in percentage by mass: a) 85.0 to 99.5 percent of aluminum oxide, b) 0.5 to 10.0 percent of a rare earth element and c) 0 to 5.0 percent of a phosphorus element. When the catalyst disclosed by the invention is used for producing the isobutene by dehydrating the tert-butyl alcohol, a simple process flow is adopted, the tert-butyl alcohol can be converted into the high-purity isobutene with a high added value by high dehydration, and the catalyst has the characteristics of high catalyst stability, high tert-butyl alcohol conversion rate and high isobutene selectivity.
Application Domain
Physical/chemical process catalystsCatalysts +2
Technology Topic
ChemistryEngineering +5
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- Experimental program(8)
- Comparison scheme(1)
Example Embodiment
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PUM
Property | Measurement | Unit |
Specific surface area | 350.0 | m²/g |
Specific surface area | 320.0 | m²/g |
Specific surface area | 340.0 | m²/g |
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