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tr.v. de·vol·a·til·ized, de·vol·a·til·iz·ing, de·vol·a·til·iz·es
To remove volatile material from: devolatilize coal.

de·vol′a·til·i·za′tion (-ĭ-zā′shən) n.
References in periodicals archive ?
This process relies on Bandera's patented High Vacuum Twin Screw Extruder (HVTSE), which devolatilizes and de-moisturizes the material as part of the extrusion process, reportedly saving more than 35% in energy use.
The process pulverizes PET flake to about 300 microns, devolatilizes the powder under vacuum for 5 hr at 338 F, then compacts the powder into porous pellets using a patented additive (U.