How Cold Plasma Work?
Cold plasma is generated by applying energy (high voltage) combine with pressure and suitable frequency to activate atoms especially oxygen atom, transforming into “active oxygen” (O2 to O–). The property of active oxygen can be oxidized similar ozone (O3) but less concentration. Actually, the system is designed for odor removal and less contact time, approximately 1 second by high flow rate to make its highly efficient.
Ionization by non-thermal plasma
- Only electrons are ‘hot’.
- Gas can be passed through discharge resulting in treatment.
- Gas remains relatively cool, hence the common term of ‘cold plasma’. Similar to a neon sign.
- Active species for oxidation include N2+, O2+, N•, +O•, •OH, •O2H, and O3+
Benefits of Cold Plasma for odor removal in industry
- Low movement, easy and maintenance save
- Low energy consumption comparing to direct combustion
- To increase 90% efficiency can be applied together with other method example scrubbing, activated carbon-adsorption or biofiltration
Highly efficient for odor removal
- No mechanical wear
- No supply of chemicals, biomaterial etc.
- No waste at all
- Cost saving
- Compact
- No impact from process fluctuations like dust, temperature, humidity etc.
- No impact on the production process
- Almost no maintenance required
- Low energy consumption
- Simple operation (only on/off)
- Modular design
- Organic odor removal completely >90%
Cold Plasma Process
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