... .oil Refining machine Processes : 1.Decolour tank is for bleaching grease.2.Deodorizing tank is for desdorizing grease( ... dehydration, deacidification, decolorzation, dewaxing and deodorization.oil refining machine Main Equipment :Decoloration tower, deodorization tower, leaf filter, ... machine to make the reactor,which can quarrantee the quality of welding seam,avoid cracking and has a long life for ...