Coal wastes to serve as fertilizers

OANA (The Organization of Asia-Pacific News Agencies): “Pavlodar, March 03, 2010 (Khabar) – Coal wastes to serve as fertilizers. Yekibastuz officials have found a solution to one of the most acute city problems. Over 50 years of existence of local coal deposits, millions of tonnes of coal wastes have accumulated around open-pit mines. From now […]