Bioenergy
How is the moisture content in biomass measured?
The moisture content directly affects the energy content and quality of biomass. Schaller's accredited laboratory (EN/ISO 17025) identifies the best methods for measuring moisture and optimizing storage, emissions, and fuel efficiency.
Measurement Methods:
- Laboratory Method: The fuel is dried according to DIN EN ISO 18134-2 until the weight is constant. This method is accurate but can be affected by the evaporation of other substances.
- Electrical Methods:
- Conductivity: Measures moisture content based on how electrical conductivity increases with moisture.
- Dielectric Method: Measures the dielectric constant of water and is suitable for larger quantities of biomass.
Both methods have advantages and disadvantages. The laboratory method is the reference, but quick electrical measurement methods simplify the process.
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