Activated Carbon Adsorption-Desorption + Catalytic Combustion Unit
Time of issue:
Sep 15,2025
Project Background
Client: Automotive coating production line in Hubei Province
Solution Provider: Sanjiang Boli Intelligent Equipment Co., Ltd.
System Capacity: 30,000 m³/h air volume
Target Pollutants:
Benzene series & esters (initial concentration ≤200mg/m³)
NMHC (Non-Methane Hydrocarbons) output <20mg/m³, exceeding GB 16297-1996 standard
Core Technological Advantages
1. Dual-Stage Purification
Adsorption Stage:
Honeycomb activated carbon beds with >90% efficiency for benzene/ketone removal
CTC (Carbon Tetrachloride Activity) ≥65% for extended service life
Catalytic Oxidation:
Pt-Pd/Al₂O₃ catalyst achieves ≥97% decomposition at 250-300°C (40% lower than thermal oxidation)
2. Energy-Smart Design
Heat Recovery System:
60% thermal energy recycled for desorption, reducing 40% operational cost
PLC Automation:
Auto-switching between adsorption/desorption modes with <1% VOC breakthrough
3. Safety & Sustainability
Explosion Prevention:Pressure relief valves + multi-point temperature monitoring (alert threshold: 150°C)
Emission Performance:
|
Parameter |
Before Treatment |
After Treatment |
Removal Rate |
|
NMHC |
≤200mg/m³ |
≤15mg/m³ |
92.5% |
|
Carbon Footprint |
- |
35% reduction |
- |
Operational Outcomes
18-month continuous operation with zero safety incidents
Annual VOCs reduction: 80+ metric tons (validated by local EPA)
Economic Benefits:50% lower energy consumption vs. RTO systems
Activated carbon lifespan extended to 3 years (industry average: 1.5 years)
Client Endorsement:
"The system achieved 'Model Project' certification from environmental authorities, with ROI within 2.3 years."
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