Carbonization of high-silica zeolites during the conversion of methanol to hydrocarbons

Yu V. Ryabov, V. I. Erofeev

Research output: Contribution to journalArticle

Abstract

1. Deactivation of a high-silica zeolite catalyst during the conversion of methanol to hydrocarbons was investigated. The presence of three zones of the reaction was established. 2. The main source of blocking of the acid sites of the catalyst is its carbonization in the high-temperature zone. 3. The change in the composition of the reaction products is associated with a constant decrease in the volume of the working catalyst, a change in its acid properties as a result of temperature-vapor treatment by the water liberated in the process of conversion, and carbonization in the low-temperature zone.

Original languageEnglish
Pages (from-to)1785-1789
Number of pages5
JournalBulletin of the Academy of Sciences of the USSR Division of Chemical Science
Volume35
Issue number9
DOIs
Publication statusPublished - Sep 1986
Externally publishedYes

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Zeolites
Carbonization
Hydrocarbons
Silicon Dioxide
Methanol
Catalysts
Acids
Reaction products
Temperature
Vapors
Water
Chemical analysis

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

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AB - 1. Deactivation of a high-silica zeolite catalyst during the conversion of methanol to hydrocarbons was investigated. The presence of three zones of the reaction was established. 2. The main source of blocking of the acid sites of the catalyst is its carbonization in the high-temperature zone. 3. The change in the composition of the reaction products is associated with a constant decrease in the volume of the working catalyst, a change in its acid properties as a result of temperature-vapor treatment by the water liberated in the process of conversion, and carbonization in the low-temperature zone.

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