... the waste engine oil, this equipment can effective separate water, gas, particles, deeply oxides, free carbon, colloid, asphalt and ... removing colloid, asphalt and other chemical compounds. 2. Gas treatment device combined with air filter and vacuum degassing, dewatering to ... system, waste oil recycling 10.BZ-Transformer oil regeneration device, oil purifier 11.PF-Plate pressure oil filter, oil ...