Core Viewpoint - The project initiated by Chizhou Hengxin Metal Materials Co., Ltd. under Copper Chemical Group focuses on enhancing the quality of sulfur iron ore slag and recovering precious metals, with a total investment of approximately 60 million yuan for the first phase [1] Group 1: Project Details - The project is located in the Xiqu area of Chizhou High-tech Industrial Development Zone, Anhui Province, and is divided into two phases [1] - The first phase has a production capacity of 250,000 tons per year and is expected to be completed and put into operation by December of this year [1] Group 2: Technology and Process - The project utilizes a carbon pulp method for gold extraction, improving the 200 mesh pass rate from approximately 70% to 95% [1] - The process reduces harmful metal content such as copper, zinc, and lead while recovering gold from the sulfur iron ore slag [1] - The recovered sulfur iron ore slag can still be used as raw material for producing pellets after gold recovery [1]