noun.
That which deprives of odor; specifically, a substance which has the power of destroying fetid effluvia, as chlorin, chlorid of zinc, nitrate of lead, etc.
the GNU version of the Collaborative International Dictionary of English
noun.
He who, or that which, deodorizes; esp., an agent that destroys offensive odors.
noun.
A substance or device that removes or masksodors / odours
Word Usage
"The company produces a byproduct in its refining operations, called deodorizer distillate, which it sells to other manufacturers for a variety of uses."