when the biomass pellets produced, there are specific conditions and adhesive substances. this substances create bonds between particles of biomass materials with each other.
What is the conditions and substances you used?
This depend upon temperature one use , lower room temperture you may use, if you use mechanical one , thermo mechanical at temperture needed the lignin in the residue in very good amount can act as binder tus no need for adhesives
Hello Rowyda, if you don't mind reading, your answers are covered here (with great breadth and depth):
- The Densification Process of Wood Waste (Peter Krizan)
- The pellet handbook (Ingwald Obernberger and Gerold Thek )
- https://www.nrel.gov/docs/legosti/old/3548.pdf
Regards,
You can pelletize lignocellulosic feedstocks without a binder. THe warmed lignin and hemicellulosis hold the pellets together. If it does not work in your process you can add 1% cornstarch as a binder. Important factors:
- feedstock composition (lignin, cellulose, hemicelluloses, ash) and moisture content,
- temperature,
- pressure,
- time,
- pellet size and shape.
Pellet producers can add inhibitors to avoid boiler corrosion from Na and K content.
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