... day at least 3.high oil yield rate tubular type waste oil recycling machine with the latest supply 1) ... extract high quality of diesel oil from waste oil (coal tar, oil residue, crude oil, and used oil). This is a continuous ... oil smelter, dephlegmator1, dephlegmator2, catalyst tower, Fractionator, Condenser, Separation tank, Steam dehydration can, Autoclave, Mixing tank, Filter tank, Smoke Processing ...