Application of ESP in Alumina Calcination System;

The phase transformation and weight loss rate of ludwigite in oxidizing roasting were studied by DTA-TG,isothermal TG and XRD.

The arsenolite cinders were treated by the processes of oxidizing roasting-pyrolusite pulp absorption,magnetizing roasting-magnetic separation and acid leaching.

Germanium is recovered from gerichened vacuumn furnace slag of Shaoguan smelter using the flowsheet of ball milling neural leaching oxidizing roasting chloridizing distillation hydrolysis.

Based on a great deal of researches for recovery of S, Fe and Zn from solid waste, a comprehensive utilization technique, including oxidation roasting-absorptio.

The effects of temperature,time,air frequency and different fluxes on the recovery rate of molybdenum for oxidation roasting on low grade molybdenum ore are discussed.

Oxidation roasting was a pretreatment technique for low-grade and complex siderite, the parameters of oxidation roasting were important to roasting efficiency.

This paper presents that Cr,Si and Al in raw materials of magnetic cobalt-alloy are removed by oxidation roast method using NaNO 3and Na 2CO 3which are chemicals commonly adopted,and they are directly decomposed by H 2SO 4,since a technique combined to extraction is botained.

Oxidation roast test of iran's Mo concentrate in a rotary tube electric furnacehas revealed that physical and chemical properties of the concentrate has a great effect on itsoxidation roast performance, and in order to obtain satisfactory cinder from this type concentrate proper measures must be taken during roasting.