Under the presence of a catalyst and at a reaction temperature of 300-450°C, ammonia (NH₃) or hydrocarbons react with NO or NO₂ to generate N₂ and H₂O. The denitrification efficiency exceeds 90%.

The bag dust collector is a separation and capture device that removes dust particles from flue gas by passing the dust-laden gas through filter bags (referred to as bags). It has been widely applied.

This process consists of raw material conveying system, heating system, hot air supply system, drying system and exhaust gas treatment system. The raw material conveying system transports raw materials with ~11% moisture content into the dryer through conveying equipment.

The triple-pass rotary dryer is mainly used in industrial production for drying all granular, non-sticky, free-flowing materials such as quartz sand, yellow sand, clay, slag, coal, iron powder, etc. It is also suitable for drying bulk materials in compound fertilizer, phosphate fertilizer, and metallurgy industries.

This drying equipment is a new type of dryer independently developed based on the digestion and absorption of advanced technologies from similar foreign products. It is designed for drying past, filter cake, and heat-sensitive materials.

This process consists of a filter cake preparation system, filter cake conveying system, hot air supply system, drying system, and exhaust gas treatment system. The filter cake preparation system uses a filter press to transform slurry with ~70% moisture content into filter cake material with ~35% moisture content.