Waste Gas Treatment System for Pharmaceutical Chemical Plant

Waste Gas Treatment System for Pharmaceutical Chemical Plant
industry involved	Pharmaceutical Chemical Plant
Pollution characteristics	Nitrogen Oxides (NO, NO₂)
gas concentration	215 kg/h
air volume	3000m³/h
Air pollution control system	Six-stage high-tower water scrubbing absorption → Three-stage alkaline scrubbing
purification efficiency	99.50%

Technical References:

1. The multi-stage scrubbing process aligns with pharmaceutical industry standards for inorganic gas treatment, particularly for nitrogen oxide removal .

2. High-tower water scrubbing is widely adopted in chemical exhaust treatment, offering enhanced gas-liquid contact efficiency compared to conventional scrubbers .

3. Three-stage alkaline scrubbing ensures pH stability during NOx neutralization, critical for maintaining ≥99% removal efficiency in continuous operations .

Compliance Documentation:

• This design meets the emission limits specified in:

  • Emission Standard of Air Pollutants for Pharmaceutical Industry (GB 37823-2019)

  • Technical Specification for Exhaust Gas Treatment in Chemical Industry (HJ 2028-2013)

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