Page 39 - Zero is Possible - Volume 3

Dujiangyan
Environment

SCR power: Leading the

way in NOx reduction CHINA Cement

Opportunity • First cement plant in
In 2020, China set the Sichuan Province to install
world’s strictest NOx limit SCR technology
at 50 mg/Nm³ by 2025,
offering emissions tax cuts Cost: 11.8 MCHF Capex
and operational benefits Timeline: 4 years (2020-2024)
to early adopters. Holcim
China seized the chance to Results
stay ahead by being beyond • 48% NOx reduction
compliance and reinforce its (83mg/Nm³ in 2020 to
environmental leadership. 43mg/Nm³ in 2024) Tony Pan
• Full compliance with CEO
Solution mandatory environmental
Holcim China deployed requirements
advanced Selective • 70% NOx tax reduction
Catalytic Reduction (SCR) ~ 146K CHF saved in 2024
systems at the Dujiangyan • Demonstrated
cement plant: environmental leadership,
• Three SCR units installed setting a new industry
across all three kilns benchmark
• Supported by government Yiyu Dong
with fewer mandatory Head of HSE
shutdown days and lower
NOx pollution tax

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