【摘要】 针对近年在四川东部某地发现贮量丰富、具有开采价值的菱锰矿组分构成特点，选择酸解法工艺制备硫酸锰，文中对原矿存在的钙、镁、铝、铁、硅和磷等杂质元素的去除，进行了扼要论述，制备过程又采取简便合理的工艺措施，从而保证产品符合质量标准。本文的研究结果，对地方锰矿资源的开发利用，具有一定的参考价值。更多还原

【Abstract】 Rich and worth-mining manganese spar has been discovered in eastern Sichuan Province. Its composition was analysed, and acidolysis was adopted in preparing manganese sulfate from manganese spar. The ways of removing Ca,Mg,Al,Fe,Si,P,etc. from manganese spar were summarized. The simple and feasible techniques in the preparing process made the product up to standard. The results are of value in the development and utilization of local manganese resources.更多还原