4A zeolite, a phosphate substitute, is actually used as detergent assistants in the detergent production overseas, but not popul 4A zeolite, a phosphate substitute, is actually used as detergent assistants in the detergent production overseas, but not popularized in our country .Through the investigation of hydrothermal synthesis and crystallization process of 4A zeolite ,it advanced the effective measures to increasing production of 4A zelite.

4 A zeolite