refining vs processing

refining and processing both are nouns.

Word	Noun	Adjective	Verb	Adverb
refining	Yes	No	No	No
processing	Yes	No	No	No

As nouns, processing is a hypernym of refining; that is, processing is a word with a broader meaning than refining:

refining: the process of removing impurities (as from oil or metals or sugar etc.)
processing: preparing or putting through a prescribed procedure

refining (noun)	processing (noun)
the process of removing impurities (as from oil or metals or sugar etc.)	preparing or putting through a prescribed procedure