Page 21. In 2020, 73,291 tons of CO2 were prevented from being released by the use of Istanbul

urban treatment sludges at the Büyükçekmece plant alone.

Correct Answer - 30423000 tons CO2. In 2019, Turkey’s clinker production amounted to 57,800 kton (94% of the capacity was utilized), resulting in 30,423 kt of CO2 emissions.