Manganese ore processing in India involves several stages, including crushing, screening, washing, gravity separation, magnetic separation, and flotation, depending on the ore type and desired end product. Here’s an overview of the key equipment used in manganese ore processing plants in India:
1. Crushing & Screening Equipment
– Jaw Crusher (Primary crushing)
– Cone Crusher / Impact Crusher (Secondary crushing)
– Vibrating Screens (Size classification)
2. Washing & Scrubbing Equipment
– Log Washers / Rotary Scrubbers (Remove clay & impurities)
– Sand Screws / Spiral Classifiers (For fines recovery)
3. Gravity Separation Equipment
– Jig Separators (For coarse manganese ore beneficiation)
– Shaking Tables (For fine manganese recovery)
– Spiral Concentrators (For medium-grade ores)
4. Magnetic Separation Equipment
– Low-Intensity Magnetic Separators (LIMS) – Remove iron impurities.
– High-Intensity Magnetic Separators (HIMS) – Separate manganese from non-magnetic gangue.
5. Froth Flotation Equipment (For complex ores with fine particles)
– Flotation Cells / Columns – Used with specific reagents to separate manganese from silica and other minerals.
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6. Drying & Pelletizing Equipment
– Rotary Dryers – Reduce moisture content.
– Briquetting Machines / Pelletizers – For agglomeration before smelting.
Key Manufacturers & Suppliers in India:
– Metso Outotec, Terex, ThyssenKrupp, CDE Asia, Star Trace Pvt Ltd. (For crushing & screening)
– Eriez Magnetics, SLon Magnetic Separator Ltd. (For m.jpg)
etic separation)
– Gekko Systems, Multotec. (For gravity concentration)
Major Manganese Processing Plants in India:
– MOIL Limited (Nagpur & Balaghat) – Major producer using jigs & magnetic separators.
– Tata Steel (Odisha & Jharkhand) – Uses advanced beneficiation techniques.
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