The invention belongs to the field of chemical engineering, specifically relates to a method for removing ferrum and heavy metals during manganoussulfate solution preparation.
本发明属于化工领域，具体涉及一种在制备硫酸锰溶液过程中去除铁及重金属的方法。
2
In view of the problems above, this paper put forward a new craft route, which was preparing manganoussulfate from rhodochrosite by acid-leaching as raw material to get manganic manganous oxide.
本课题针对上述问题，采用酸浸贫菱锰矿制备硫酸锰进而制备生成四氧化三锰的工艺路线。
3
The manganic manganous oxide is prepared from the purified manganese sulfate solution using hydrogen peroxide as oxidant under alkali medium of ammonia solution.