摘要
文章着重阐述了从废中温变换催化剂中.提取三氧化二铁和三氧化二铬的原理及其工艺.并论述了利用提取物制备铬盐和氧化铁红的方法.
This thesis illustrates the basic principle and technology of separation and abstracting iron tri-oxide and chromic oxide from waste middle-temperature catalysts. The method of preparing chro-mate and iron oxide red is discussed with abstracted material.
