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碳酸锰

IUPAC Name	: Manganese Carbonate
Cas Number	: 598-62-9
HS Code	: 2836.99.90
Formula	: MnCO₃

Basic Info

Appearance Name	: Rosy triangle crystal or amorphous brown powder
Common Names	: Manganese(II) Carbonate, Manganous Carbonate Rhodochrosite
Packaging	: 25 kg Woven Bags lined with plastic

行业

动物饲料

油漆、墨水和涂料

化肥

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Technical Document

Brief Overview

Manganese carbonate is a natural occurring inorganic chemical compound from the mineral Rhdochrosite with the chemical formula of MnCO₃. Manganese carbonate is insoluble in water and most of the carbonates solution. Manganese carbonate is an essential compound for aerobic life and it is not considered as toxic chemical compound.

Manufacturing Process

Manufacturing technique of high-purity manganese carbonate through ammonium salt circulating method comprises the following steps:

1. Adopting poor-manganese ore to recycle artificial Mn(OH)₂ or high grade other manganese ore; reducing and sintering to obtain MnO and condensed ammonium sulfate; evaporating NH₃ gas out of tower; meeting cold water to recycle the regenerative ammonia; reacting with recycled CO₂ to obtain regenerative ammonium carbonate; filtering slag to obtain manganese liquid;

2. Heating manganese sulfate liquid after purifying; obtaining the crystal; dissolving into the water; proceeding ion exchange to purify to obtain high-purity manganese sulfate liquid;

3. Making condensed high-purity ammonium carbonate solution;

4. Pumping two high-purity liquid into double-circulating metathetical sediment; obtaining high-purity MnCO₃ crystal;

5. Recycling mother water; condensing; obtaining the regenerative condensed ammonium sulfate liquid; circulating;

6. Adopting ammonium chloride and ammonium nitrate to replace ammonium sulfate.