Lewis acid site

Lewis acid site
An acid site on a catalyst where the acidic entity is a positive ion (called a cation) such as Al3+ rather than an ionizable hydrogen. Named for the famed physical chemist G. N. Lewis. See: Brønsted acid site.

Petroleum refining glossary. 2013.

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  • Brønsted acid site — An acid site on a catalyst where the acidic entity is an ionizable hydrogen. Familiar mineral acids such as sulfuric are also acids of this type, named for the physical chemist J. N. Brønsted. See also: Lewis acid site …   Petroleum refining glossary

  • Bronsted acid site — An acid site on a catalyst where the acidic entity is an ionizable hydrogen. Familiar mineral acids such as sulfuric are also acids of this type, named for the physical chemist J. N. Brønsted. See also: Lewis acid site …   Petroleum refining glossary

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