De or het prikkelverwerking?

The correct Dutch article is:

de prikkelverwerking

Rule Words ending in -ing: almost always de. See the rule

How to use prikkelverwerking

the prikkelverwerkingde prikkelverwerking
this prikkelverwerkingdeze prikkelverwerking
that prikkelverwerkingdie prikkelverwerking
our prikkelverwerkingonze prikkelverwerking
your prikkelverwerkingjouw prikkelverwerking
every prikkelverwerkingelke prikkelverwerking
which prikkelverwerking?welke prikkelverwerking?
a big prikkelverwerking / the big prikkelverwerkingeen grote prikkelverwerking, de grote prikkelverwerking