VOC treatment in the cosmetics sector
In this case study, we present a project carried out for a company operating in the cosmetics sector, characterized by drying lines that use both organic solvents and water-based processes. The objective of the project was to ensure effective abatement of emissions from the drying ovens, while guaranteeing regulatory compliance, operational safety, and optimization of operating costs.
Problems
- Presence of VOC emissions from solvent-based drying ovens.
- Treatment of emissions from water-based ovens.
- Requirement for ducting and compliance with emission limits.
- Different types of pollutants on the two production lines.
- Need for reliable systems compliant with Industry 4.0 requirements.
- Requirement for continuous plant monitoring.
Technical features of the two systems
Solvent-based oven line
- VOC abatement system: condensation + activated carbon
- Fan compliant with the ErP Directive
- Plant management and control system
- Remote supervision compatible with Industry 4.0
Water-based oven line
- No. 1 vertical washing tower
- Dedicated fan
- Liquid recirculation system
- Electrical control panel
- HF Monitoring
HF Group designed two separate and integrated systems based on the type of emission. For the solvent-based drying ovens, a two-stage VOC abatement system was implemented, consisting of a condenser for the pre-abatement of volatile substances followed by an activated carbon filter for the removal of residual compounds. The system is complete with a dedicated fan and control panel. For the water-based ovens, a wet scrubber was installed, designed to treat emissions through a gas–liquid absorption process, complete with washing tower, recirculation system, and electrical control panel.
- Effective reduction of VOC emissions
- Dedicated treatment for different types of ovens
- Compliance with current emission limits
- Improved operational safety
- Modular solution optimized for operating costs
- High long-term reliability
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