The new technology is characterized by SO2 in flue gas being absorbed by the slurry of pyrolusite and manganese spar in a circulating absorbing tower with MnSO4 as a by-product.

• 摘要介绍软锰矿、菱锰矿吸收SO2烟气制取硫酸锰的新方法和新技术，在热电分厂锅炉排放烟气综合治理中的应用研究。