... as fuel oil for boiler and burning. About Our Product: This oil purifier plant can remove water, impurity, acid base, and ... , and other lubricant oil to clean oil.4. Environmental friendly. This machine is fullenclosed, there is no any harmful smell come ... use as bitumen and fuel.5. 85% high recycling rate. This includes 6-8% diesel and gasoline mixture,80-85% base oil ...