catalytic cracking

noun

: cracking of petroleum oils (as gas oils or diesel oils) especially for the production of high-octane gasoline in the presence of a catalyst (as clay) in various forms (as pellets or beads either stationary in a fixed bed or moving through the oil or as a fine powder fluidized by a stream of air or hydrocarbon vapors)
distinguished from thermal cracking

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Dictionary Entries Near catalytic cracking

Cite this Entry

“Catalytic cracking.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/catalytic%20cracking. Accessed 23 Nov. 2024.

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