含油废水主要来源于石油、石油化工、钢铁、焦化、煤气发生站、机械加工等工业部门。废水中油类污染物质，除重焦油的相对密度为1．1以上外，其余的相对密度都小于1。
本次毕业设计是含油废水处理工艺设计。
The graduation project is the oily waste water treatment process design.
介绍常用的含油废水处理技术的原理、特点及其除油设备，综述含油污水的处理方法。
The common principle and characteristic of the treatment process for oily waste water were introduced, as well as the facilities. The method of treating oily waste water was discussed.
本实用新型提供一种新型无阻塞高效气浮装置，目的在于解决含油废水处理 沉淀分离问题。
The utility model provides a novel non-blocking efficient air-floating device and aims at solving the problem that oil-contained waste water treatment generates disposition and separation.
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