The ALCOA calcining process of Raytheon E. &C.is analyzed,and several current introduced AlF 3 calcining processes are reviewed.

• 对瓮福磷肥厂氟化铝装置中美国雷森公司ALCOA煅烧工艺进行了剖析和探讨，同时简介了目前国内引进的几种氟化铝生产煅烧工艺。