轧制油是轧钢行业中必不可少的工艺用油。而原有的国产产品虽然成本低 ,但使用寿命短 ,容易发臭 ,有的产品使用周期只有半个月 ,最长也只能二个月巨大量排放废液 ,严重污染水源和环境。随着我国可持续发展战略的提出、环境的保护已成为工业发展中十分重要的前提 ;而若对废液进 Rolling oil is an essential process oil in the rolling industry. Although the original domestic products have low cost, their service life is short and smelly. Some products use only half a cycle and the longest can only discharge huge amounts of waste liquid in two months, which seriously pollute the water and environment. With China’s sustainable development strategy put forward, the protection of the environment has become a very important prerequisite for industrial development; and if the waste into