It has been a puzzle and also the bottleneck in the chorine alkali industry how to improve the crystallization degree of salts, which makes separation easier and therefore improves the quality.

• 如何提高盐的结晶粒度，使其易于分离除去，从而提高产品质量，是当今困扰氯碱工业的一个难题，也是抑制氯碱工业发展的“咽喉”所在。