TALLINN - Tests have begun by Estonian energy company Eesti Energia’s Balti Power Plant to introduce the use of oil shale into production, with its low calorific value, reports LETA. Coal, with higher calorific value, is added to oil shale that has previously been considered unfit for producing energy, thus creating fuel fit for incineration.The proportion of Siberian coal in the fuel mixture is 10-30 percent.According to Tonu Aas, CEO of Narva Power Plants, for years the best oil shale calorific value has been 8.4 MJ/kg, which leaves a significant amount of oil shale with ...
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