So that a new way to produce high-purity manganese carbonate is opened up.

从而为高纯度碳酸锰的制备开辟了一条新的途径。

The manganese deposits occur in black shale-manganese carbonate microfacies.

锰矿主要产于盆地中心亚相的黑色页岩夹碳酸锰矿微相内。

Middle fan was favorable occurrence in enriching manganese carbonate deposit.

中扇是碳酸锰矿有利赋存部位。

Experiment results show that the powder size of manganese carbonate will influence product quality.

试验发现，碳酸锰产品的粒度大小严重影响产品的质量。

The Mn recovery is over 80%, a new process of enriching and recovering Mn from low-grade manganese carbonate ore.

采用该工艺的锰回收率达80%以上，是一种从低品位碳酸锰矿富集回收锰的新工艺。