fractionation vs fractional process

fractionation and fractional process both are nouns.

Word	Noun	Adjective	Verb	Adverb
fractionation	Yes	No	No	No
fractional process	Yes	No	No	No

As nouns, fractionation and fractional process are synonyms defined as:

fractionation and fractional process: a process that uses heat to separate a substance into its components

fractionation (noun)	fractional process (noun)
separation into portions	a process that uses heat to separate a substance into its components
a process that uses heat to separate a substance into its components