Energy efficient, primary production of manganese ...
The overall objective of PREMA is to demonstrate a technology for pretreatment of manganese ores that will enable to increase energy ... a solar thermal plant with thermal storage producing hot air 24h/day at 800°C and a solar thermal plant to preheat manganese ores with hot air continuously at 800°C for 48 hours in a row installed at a shaft kiln. WP 3: Raw materials. This part of the ...