1. Detergent builder, process for producing the same, and detergent composition containing said builder.

2. Uses: as synthese detergent builder ceramic surface treatment, water treatment.

3. Applications of 4A zeolite as detergent builder, ion-exchange materials, adsorption-desorption materials, catalyst carrier et al were summarized.

4. Future development of 4A zeolite in improvement of detergent builder and new technological fields were prospected.

5. It was not appropriate for sodium sulfate, sodium chloride, sodium dihydrogen phosphate and disodium tetraborate decahydrate to be used as detergent builder.

6. As people's awareness of environmental protection increasing, developing and studying on new phosphate-free detergent builder to replace STPP has been an urgent and important task.