treatment of three wastes

The electric furnaces for phosphorus production are mostly small ones , and the treatment of three wastes is not satisfactory .

我国是元素磷的主要生产国和出口国，制磷电炉规模以小型的偏多，三废治理情况欠佳。

Treatment of " three wastes " in Laboratory

实验室三废的处理方法

The treatment of " three wastes " in the production of synthetic hydrochloric acid by a double closed circuit circulation process was introduced .

介绍了采用双闭路循环工艺治理合成盐酸工序中的三废情况。

Treatment of " three wastes ", process feature , and its result were given for producing diethyl malonate from chloroacetic acid by cyanation and esterification .

前言：介绍了氯乙酸氰化酯化法生产丙二酸二乙酯时“三废”的治理工艺、技术特点及其效果。

The article introduces the theoretical foundation and process technology of recovery of vanadium from the used vanadium catalyst as well as the treatment of " three wastes " produced in the recovery process .

介绍从废钒催化剂中回收钒的理论基础、工艺方法以及回收过程三废的治理。

Treatment methods of the " three wastes "( water , gas and dregs ) resulted from the finishing production lines of the car body are described in detail .

前言：详细介绍了汽车车身涂装生产线排放的“三废”的处理方法。