【摘要】 本文阐述了煤系高碳硫铁矿在制酸中不良影响，可用HNO3催化氧化综合利用硫铁矿和用物理方法提硫降碳提高其利用价值，达到保护环境的目的。更多还原

【Abstract】 This paper describes the bad effects of coal-series high-carbon pyrite in acid-making process, andpoints out that the pyrite can be used comprehensively with HNO3 catalyzing oxidizing and physical method to liftsulfur, reduce carban, increase its utilization value, and protect environment.更多还原