mixture diesel oil recycling machine 1.Do not use any chemicals. 2.Used Silica and ... and any specification oils by adding different additives. (We can provide you the relative additive name and way ... oil-burner furnace, natural-gas furnace, also you use the coal furnace, the burning material is fuel, ... oil-burner furnace, natural-gas furnace, also you use the coal furnace, the burning material is fuel, ...