residue

This is the residue of peanuts after the oil has been extracted, normally fed to animals.

"Also, you've got residues and wastes that you have to deal with out of this industry, and that's problematic. They often produce radioactive materials. It comes at a cost."

He was packed off, without a phone call, access to a lawyer, or even a way to clean the pepper-spray residue off his clothes and face, he said.

A third suggestion is to burn agricultural residue in the place of coal in thermal plants.

But the water that comes of the tap still has residue in it.