Experiments showed that according to substantial equilibrium,we can get a small range of COD by studying the changing disciplinarian,and it can be used to rational judgment end-point of flax retting.

• 对亚麻脱胶终点的定量判断进行了探讨,根据物量平衡原理,研究了脱胶过程中COD值随时间变化的规律,得出脱胶终点时的COD值范围,借此可作为一种定量判断亚麻脱胶终点的方法。