The two steps precipitation process of ADU powder from UF6 hydrolyzate to high active and sinterable UO2 powder is studied. The optimized precipitation is obtained.

• 研究了由六氟化铀水解液制取适于制备高活性可烧结UO_2粉末的ADU沉淀物的两步沉淀工艺,推荐了ADU两步沉淀工艺的最佳沉淀条件。