Abstract:

the systematic innovation of head feed solidification roasting process increases fixed arsenic and sulfur and gold recovery,decreases coal consumption,saves energy source,solves problemof environmental pollution and improves economic profit of enterprises. This article expounds the course of systematic innovation of the process to persons of the same occupation for reference. It will have practical significance to promote use of the new technology.

Key words: Head feed solidification roasting, fixed arsenic, fixed sulfur