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Application References
VOC treatment cases organized by buyer problem, not by decoration.
Customer names and exact site data should only be published after permission. These application references show typical SERNO project scenarios and the engineering points buyers need to confirm.
Printing and Flexible Packaging
Solvent dryer exhaust from gravure printing lines
Buyer problem: continuous solvent exhaust from printing and lamination dryers requires stable VOC destruction, safe operation and lower fuel consumption during long production hours.
- Typical exhaust
- Medium to high solvent concentration, ethyl acetate, toluene or mixed ink solvent, elevated dryer temperature.
- Recommended route
- RTO system, with heat recovery review for dryer or process air when reuse is practical.
- SERNO scope
- RTO body, burner, ceramic media, valves, fan, PLC/HMI, LEL monitoring, purge and emergency bypass logic.
- Data to send
- Airflow, solvent list, VOC concentration, dryer temperature, operating hours and emission limit.
Coating Workshop
High-airflow, lower-concentration workshop VOC stream
Buyer problem: a large ventilation volume makes direct oxidation oversized, while VOC concentration is too low for efficient fuel use without concentration.
- Typical exhaust
- Large airflow from coating rooms or curing areas, lower VOC concentration, variable humidity and possible paint mist risk.
- Recommended route
- Zeolite rotor concentrator plus RTO after humidity, dust and solvent compatibility review.
- SERNO scope
- Rotor concentrator, desorption heater, RTO unit, fans, filters, valves, fire protection and integrated controls.
- Data to send
- Total airflow, VOC concentration, solvent type, humidity, paint mist condition and production schedule.
Chemical Process
VOC exhaust requiring catalyst compatibility review
Buyer problem: the plant wants lower oxidation temperature, but catalyst life depends on solvent composition, impurities and pretreatment quality.
- Typical exhaust
- Solvent VOC stream with possible concentration fluctuation, moisture, trace dust or components that may affect catalyst.
- Recommended route
- RCO if catalyst poisoning risk is acceptable; otherwise RTO or pretreatment plus oxidation.
- SERNO scope
- Catalyst chamber, regenerative heat exchange, preheating system, filtration interface, PLC/HMI and safety interlocks.
- Data to send
- VOC list, impurity risk, concentration range, exhaust temperature, humidity and local emission target.
Adsorption Desorption
Activated carbon desorption gas treatment
Buyer problem: low-concentration exhaust is first adsorbed by carbon beds, then concentrated desorption gas needs compact oxidation treatment.
- Typical exhaust
- Intermittent concentrated desorption airflow with solvent peaks, regeneration cycle changes and temperature control requirements.
- Recommended route
- Activated carbon adsorption-desorption plus catalytic combustion furnace, when catalyst compatibility is confirmed.
- SERNO scope
- Catalytic chamber, catalyst, heater, heat exchanger, temperature monitoring, emergency purge and carbon-bed integration review.
- Data to send
- Adsorption bed quantity, desorption airflow, cycle time, solvent type, concentration range and emission limit.
Automotive Parts Coating
Coating and drying exhaust with safety review
Buyer problem: coating lines often combine booth exhaust, flash-off zones and drying ovens, so collection balance and explosion safety must be reviewed before quotation.
- Typical exhaust
- Mixed coating solvent, variable airflow, possible paint mist and temperature differences between collection points.
- Recommended route
- RTO or Rotor RTO depending on airflow, concentration and collection strategy.
- SERNO scope
- Process selection, oxidizer equipment, LEL monitoring, dilution/bypass logic, control system and documentation support.
- Data to send
- Each exhaust point airflow, solvent list, temperature, paint mist condition, operating hours and layout constraints.
Electronics and Materials
Clean process VOC exhaust with strict emission target
Buyer problem: materials or electronics production can require stable outlet emissions, careful pretreatment and reliable controls without interrupting production.
- Typical exhaust
- Medium or low VOC concentration, possible humidity sensitivity, long operating schedule and strict plant reliability expectations.
- Recommended route
- RTO, Rotor RTO or RCO after solvent compatibility and site utility review.
- SERNO scope
- Equipment selection, controls, safety interlocks, drawings, export packaging and remote installation/commissioning coordination.
- Data to send
- Airflow, VOC list, concentration, humidity, power/fuel standard, emission limit and installation country.
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