fractional process vs fractionation

fractional process and fractionation both are nouns.

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

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

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

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