The mass ratio of cellulose reductant to pyrolusite,the size of cellulose reductant and the component change of pyrolusite after reduction were investigated.

• 考查了纤维素还原剂与软锰矿的质量比、纤维素粒度对还原效果的影响,分析了还原反应前后软锰矿矿物相的变化。