catalysis
- n acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction
of the top 50 commodity chemicals, 30 are created directly by catalysis and another 6 are made from raw materials that are catalytically produced
- The new process, announced by Chemical Engineers Arthur Warren Hixson and Alvan Howard Tenney of Columbia University: sulfur, through burning and catalysis, is changed to sulfur .
- Berlin announced that the incurably inventive Teutonic mind had not been idle: now out of the experimental stage was a process whereby coal, through hydrogenation and catalysis .
- But "radiation catalysis" has possibilities far beyond oil refining.