摘要
对低品位软锰矿还原浸出工艺进行了研究,以铁屑作为还原剂,在硫酸存在的条件下还原浸出软锰矿。通过单因素实验确定软锰矿铁屑还原浸出的最佳工艺条件为:铁屑与软锰矿质量比(简称铁矿比)为0.25∶1,酸矿质量比为1∶1,液固比为5∶1,反应时间为1 h,初始反应温度为10℃。在最佳浸出工艺条件下,软锰矿中锰的浸出率达到98%以上。
Studies on reduction leaching technology of low-grade pyrolusite were carried out. Scrap iron was used as reductant to leach low-grade pyrolusite in sulphuric acid. The optimum technical conditions of leaching pyrolusite by single-factor test were confirmed as follows ： the mass ratio of scrap iron to pyrolusite was 0.25： 1, the mass ratio of sul- phuric acid to pyrolusite was 1： 1, the liquid-solid ratio was 5： 1, reaction time was 1 h and initial reaction temperature was 10 ℃. The leaching rate of manganese in pyrolusite reached above 98% under the optimum leaching conditions.
出处
《矿冶工程》
CAS
CSCD
北大核心
2012年第1期84-86,共3页
Mining and Metallurgical Engineering
基金
湖南省科技计划项目(2010FJ1011-3)
关键词
浸出
锰矿
软锰矿
还原
铁屑
leaching
manganese ore
pyrolusite
reduction
scrap iron
作者简介
施雯（1985-），男，湖南常德人，硕士研究生，主要研究方向为矿产资源加工与应用。
通讯作者：颜文斌（1965-），男，湖南邵东人，教授，主要从事矿产加工与功能材料研究工作。
