Tenders Are Invited For Purchase Of Hard Coal in Kazakhstan

Work Detail

Unenriched Coals Of Size Class 0-300 Mm. The Mass Fraction Of Pieces Less Than 6 Mm In Size Is At Least 40%. Mass Fraction Of Pieces Larger Than 300 Mm - No Less Than 15% The Lower Calorific Value Of Working Fuel Is No Less Than 4700 Kcal/Kg, Ash Content In The Dry State Of The Fuel Is No More Than 15%. The Total Moisture In The Operating Condition Of The Fuel Is No More Than 20%. The Mass Fraction Of Total Sulfur In The Dry State Of The Fuel Is No More Than 1%. The Mass Fraction Of Chlorine On The Dry State Of The Fuel Is No More Than 0.2%. The Yield Of Volatile Substances Is No More Than 38%. The Mass Fraction Of Arsenic In The Dry State Of The Fuel Is Not More Than 0.002. The Mass Fraction Of Nitrogen On The Dry State Of The Fuel Is No More Than 1.5%. The Mass Fraction Of Phosphorus On The Dry State Of The Fuel Is No More Than 0.1%. The Ocr Oxidation Index Is No More Than 55%. Ignition Temperature Not Less Than 120. Self-Ignition Temperature Not Less Than 50

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