· Smokeless charging systems integrated with smokeless charging cars for top-charging coke ovens 

· Charging emission collection systems paired with dedusting systems for top-charging coke ovens 

· Charging emission transfer solutions for stamp-charging coke ovens 

· Oven door emission capture and cleaning systems for both top-charging and stamp-charging coke ovens 

· Coke pushing emission collection and dedusting systems for pushing operations 

2. Flue Gas De-SOx and De-NOx Solutions​ 

ACRE’s advanced coke oven flue gas De-NOx and De-SOx technologies are designed to meet the world’s most stringent environmental standards: 

​De-SOx Technologies:​​ 

· Ca-based dry De-SOx 

· Na-based dry De-SOx 

· Ca/Na-based SDA semi-dry De-SOx 

· Ammonia desulfurization 

· Wet limestone/gypsum desulfurization 

​De-NOx Technologies:​​ 

· Low-temperature NH₃-SCR 

· High-temperature NH₃-SCR 

​Integrated De-NOx & De-SOx Systems:​​ 

· Na/Ca-based dry De-SOx + Dedusting + Low-temperature NH₃-SCR (+ Waste Heat Recovery) 

· Na-based SDA semi-dry De-SOx + Dedusting + Low-temperature NH₃-SCR (+ Waste Heat Recovery) 

· Low-temperature NH₃-SCR + Waste Heat Recovery + Ca-based SDA semi-dry De-SOx 

· Low-temperature NH₃-SCR + Waste Heat Recovery + Ammonia Desulfurization / Flue Gas Heat Exchange 

· Integrated active carbon-based De-NOx and De-SOx technology 

3. Carbon Monoxide (CO) Removal Technology​ 

ACRE is currently advancing CO removal technology for industrial flue gases and has successfully developed a high-performance CO removal catalyst. Industrial trials on coke oven flue gas and Coke Dry Quenching (CDQ) vent gas have confirmed the catalyst’s outstanding CO removal efficiency and operational stability.