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While reducing carbon emissions, ammonia/co-fired ammonia operation imposes higher demands on exhaust gas treatment — requiring attention not only to NOx but also to ammonia slip (NH₃ slip) and byproducts such as N₂O, along with exhaust temperature windows and safety strategies under varying loads. The system adopts SCR (for NOx control) and ASC (for ammonia slip control) as its core, with optional integration of oxidation catalysis, optimized mixing sections, monitoring, and safety interlocks based on engine type and emission targets — achieving NOx compliance, controlled ammonia slip, and system measurability and manageability. Ammonia Aftertreatment System: —— Dual-Target Control: Synergistic compliance for both NOx and NH₃ slip (project-specific targets) Ammonia-Focused Safety Strategy: Leak/limit interlocks, ventilation, and emergency shutdown logic (integrated with vessel ESD system) Wide Operating Range Adaptability: Stable control under low-load temperature conditions and variable load fluctuations Auditable & Maintainable: Data logging, alarm events, calibration, and maintenance closure for easy class inspection and owner management Core Values: —— High-Efficiency Mixing & Reactor Design: Reduces ammonia slip risk caused by local over-injection ASC Optimization: Converts residual NH₃ and suppresses secondary emissions (catalyst system and temperature window dependent) N₂O Mitigation Strategy (Optional): Configured and optimized based on regulations/owner targets Online Monitoring: Closed-loop control of NOx, optional NH₃, temperature, differential pressure, flow rate, etc. Fault & Bypass Management: Protection logic for sensor failure, injection abnormality, reactor overtemperature, and overpressure System Features: —— Typical Configurations (Examples) —— Ammonia-Fueled Main/Auxiliary Engine: SCR + ASC + (monitoring and interlock system) High-Demand Projects: SCR + ASC + (optional NH₃ online monitoring) + (optional N₂O control strategy) |
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Service Email: cs@secorp.cn
Company Tel: +86-25-57700077
Sales Hotline: +86-25-85549445
Company Address: No. 398 Wangxin Road, Smart Manufacturing Industrial Park, Jiangbei New Area, Nanjing
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