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A kind of solid acid catalyst and its application

A solid acid catalyst, solid acid technology, applied in molecular sieve catalysts, physical/chemical process catalysts, chemical instruments and methods, etc., can solve the problem of not considering the ratio relationship of various cheap metals, and achieve the effect of cost advantage

Active Publication Date: 2019-10-25
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Researchers have made many improvements on solid acid catalysts, such as a solid acid alkylation catalyst disclosed in CN101631614A, the solid acid catalyst includes a multi-metal component that performs a hydrogenation function, and is used to regenerate the catalyst in the presence of hydrogen, However, the multi-metal includes precious metals, such as platinum and palladium, which use cheap metals instead of some precious metals to ease the cost pressure, but not only the precious metal platinum or palladium is still a necessary component, but also the ratio of various cheap metals. Not consider

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] This example illustrates the preparation and composition of the solid acid catalyst of the present invention.

[0048] Catalyst D-1 is used as the carrier, ammonium molybdate tetrahydrate is the molybdenum source, and nickel nitrate hexahydrate is the nickel source. Ni and Mo were loaded by the equal volume impregnation method, and the catalyst was obtained by drying and roasting after impregnation. The drying and roasting conditions were the same as those in Comparative Example 2.

[0049] The catalyst number is A-1. In catalyst A-1, the solid acid is Y-type zeolite, and the metal component accounts for 2wt%, wherein Ni accounts for 0.44wt%, and Mo accounts for 1.56wt%.

Embodiment 2

[0051] This example illustrates the preparation and composition of the solid acid catalyst of the present invention.

[0052] Catalyst D-1 is used as the carrier, ammonium molybdate tetrahydrate is the molybdenum source, and nickel nitrate hexahydrate is the nickel source. Ni and Mo were supported by an equal-volume impregnation method, and the catalyst was obtained by drying and calcining after impregnation. The drying and calcining conditions were the same as in Comparative Example 2.

[0053] The catalyst number is A-2. In catalyst A-2, the solid acid is Y-type zeolite, and the metal component accounts for 2 wt%, of which Ni accounts for 0.5 wt%, and Mo accounts for 1.5 wt%.

Embodiment 3

[0055] This example illustrates the preparation and composition of the solid acid catalyst of the present invention.

[0056] Catalyst D-1 is used as the carrier, ammonium molybdate tetrahydrate is the molybdenum source, and nickel nitrate hexahydrate is the nickel source. Ni and Mo were supported by an equal-volume impregnation method, and the catalyst was obtained by drying and calcining after impregnation. The drying and calcining conditions were the same as in Comparative Example 2.

[0057] The catalyst number is A-3. In catalyst A-3, the solid acid is Y-type zeolite, and the metal component accounts for 2 wt%, of which Ni accounts for 0.57 wt%, and Mo accounts for 1.43 wt%.

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Abstract

The invention relates to a solid acid catalyst, which is characterized by comprising a solid acid and a metal component loaded on the solid acid and accounting for 0.01-5 wt% of the solid acid catalyst, wherein the metal component is group VIII metal and a group VIB metal, and a mass ratio of the group VIB metal to the group VIII metal is (2-4):1. According to the solid acid catalyst of the present invention, the non-precious metal is used to replace the precious metal, the catalytic performance of the solid acid catalyst is close to or even achieves the catalytic performance of the precious metal-supporting alkylation catalyst, and the solid acid catalyst has the cost advantage when the solid acid catalyst is used for the alkylation reaction.

Description

technical field [0001] The invention relates to a solid acid catalyst and its application, more specifically, the invention relates to a non-noble metal-containing solid acid catalyst and its alkylation reaction method in the presence of the catalyst. Background technique [0002] Alkylation of branched saturated hydrocarbons (such as isobutane) and olefins with 2-6 carbon atoms (such as butene) can produce gasoline components with higher octane numbers. These gasoline components not only have high octane numbers Moreover, Reid has low vapor pressure and does not contain sulfur, nitrogen, olefins, and aromatics. [0003] At present, the production technology of alkylation industry is mainly liquid acid alkylation process, including sulfuric acid alkylation and hydrofluoric acid alkylation, but liquid acid has disadvantages such as corrosiveness, toxicity, and environmental hazards caused by waste acid discharge in the process. This restricts the further development and appl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J29/16B01J29/78B01J29/48C10G50/00
Inventor 彭凯李永祥胡合新付强慕旭宏张成喜
Owner CHINA PETROLEUM & CHEM CORP