Building Materials Industry Solution
Currently, the Yurcent Regenerative Thermal Oxidizer (RTO) has found extensive application in managing Waste gas emissions from the production of SBS asphalt waterproofing membranes and related products.
Characteristics of Waste Gas
The Waste gas generated in this industry is characterized by:
- High Air Volume: Large volumes of air are processed.
- Complex Composition: The gas contains a variety of compounds.
- Presence of Oil and Particulate Matter: The exhaust includes both oil droplets and particulates.
Sources of Waste Gas
Waste gas originates from several key areas within the production process:
- Batching Reactor: Emissions from the mixing and reaction stages.
- Asphalt Storage Tank Area: Off-gassing from stored asphalt materials.
- Asphalt Forming Line: Specifically, emissions from the oil coating tank and water bed sections.

Waste Gas Components
The Waste gas contains over 80 types of polycyclic aromatic hydrocarbons (PAHs), including:
- Benzo[a]pyrene
- Benzo[a]anthracene
- Carbazole
Process Design
The proposed treatment process involves multiple stages to ensure effective management of Waste gas:
1. Waste Gas Capture: Collecting emissions at their source.
2. Pipeline Transportation: Conveying the captured gas through pipelines.
3. Pipeline Fire Protection System: Ensuring safety with fire prevention measures.
4. Cyclone Oil Removal: Removing oil droplets using cyclone separators.
5. Tower Filtration: Filtering out particulate matter.
6. Heat Tracing: Maintaining optimal temperatures during transport.
7. Rotary RTO Treatment: Utilizing a RTO for high-temperature oxidation of VOCs.
Waste Gas Concentration
The concentration of Waste gases typically ranges from 200 mg/m³ to 400 mg/m³.
Emission Standards
To comply with environmental regulations, the emission limit for Non-Methane Hydrocarbons (NMHC) is set at ≤10 mg/m³.
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