... waste oil pyrolysis plant with the latest supply1.The raw material: used engine oil (waste mineral oil), waste rubber oil, residue oil, heavy oil, 180# diesel oil. 2 ... extracting rate is based on the waste oil, if the oil content of the waste oil is higher, the extracting rate will ... , which means when the first oil furnace begins to generate oil gas, the second oil furnace starts to run taking the ...