Production
Xylenes are produced by dehydrocyclodimerization and by methylating of toluene and benzene. Via the Isomar process, the ratio of isomers can be shifted to favor p-xylene, which is most valued. This conversion is catalyzed by zeolites.
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Famous quotes containing the word production:
“The production of too many useful things results in too many useless people.”
—Karl Marx (1818–1883)
“The society based on production is only productive, not creative.”
—Albert Camus (1913–1960)
“[T]he asphaltum contains an exactly requisite amount of sulphides for production of rubber tires. This brown material also contains “ichthyol,” a medicinal preparation used externally, in Webster’s clarifying phrase, “as an alterant and discutient.””
—State of Utah, U.S. public relief program (1935-1943)