MnO2 in pyrolusite can react with SO2 in flue gas and obtain by-product MnSO4· H2 O. A pilot scale jet bubbling reactor......

Based on the fluidized roasting reduction technology of low-grade pyrolusite coupling with pretreatment of stone coal, t......

该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......

Manganese(Mn) leaching and recovery from low-grade pyrolusite ore were studied using sulfuric acid(H_2SO_4) as a leachan......

Decoloration of acidic scarlet GR by pyrolusite is studied in this paper. The effects of pH in solution, dosage and gran......

Two humic acids (HAs) were isolated from contaminated river sediments present under comparative conditions in the Pearl ......