De or het ontzwaveling?

The correct Dutch article is:

de ontzwaveling

  • Plural: de ontzwavelingen
Rule Words ending in -ing: almost always de. See the rule
Meaning (Dutch) het ontdoen van zwavel of zwavelverbindingen

How to use ontzwaveling

the ontzwavelingde ontzwaveling
this ontzwavelingdeze ontzwaveling
that ontzwavelingdie ontzwaveling
our ontzwavelingonze ontzwaveling
your ontzwavelingjouw ontzwaveling
every ontzwavelingelke ontzwaveling
which ontzwaveling?welke ontzwaveling?
a big ontzwaveling / the big ontzwavelingeen grote ontzwaveling, de grote ontzwaveling
the ontzwaveling (plural)de ontzwavelingen, deze ontzwavelingen

Dutch words ending in ontzwaveling

rookgasontzwaveling

In compound words, the last part decides the article. See the rule

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).