Overview
Stage | Production |
Mine Type | Underground |
Commodities |
|
Mining Method |
|
Processing |
- Spiral concentrator / separator
- Flotation
- Dense media separation
|
Source:
p. 1
Summary:
Coal mined from the Upper Kittanning coal seam.
Summary:
Mine 78 is an underground mine which develops upper Kittanning coal seam utilizing room-and-pillar mining method.
Processing
- Spiral concentrator / separator
- Flotation
- Dense media separation
Source:
Summary:
Mine 78 Preparation Plant as at 2020:
- Raw feed - 500 ton-per-hour
- Product Ash % - 6.5%-8.75%
- Quality - < 1.2 (low sulfur)
- Type of plant - Heavy Media
- Primary Separ. - HM Cyclones
- Fine Coal - Froth and Spiral
- Centrifugal Dryer
- Controls - Programmable logic controller
- Constraction year 2008
- Last Upgrade - 2017
Production:
Commodity | Units | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 |
Coal (metallurgical)
|
tons
| ......  | ......  | 674,161 | 574,355 | 308,824 | 565,030 | 534,060 |
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Aerial view:
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