If Jatropha oil is a non drying oil (like castor oil), you are in deep oil.
If Jatropha oil is a drying oil, you might try using a drying accelerator for paint and/or place the briquettes in an oven.

Piet

On 24/01/2011 13:23, Paul S. Anderson wrote:
Crispin and all,

I have seen Jatropha press-cake in two forms. A high pressure press extruded cresant-shaped pieces that hung together, but were not friendly for handling (would break, etc.)

"regular" pressure produced more like a crumbly meal that would cut off any air passage.

A major problem is caused but the residual oil (which is why we have such interest in it), The oil is a liquid lubricant that is not going to dry out. So it is not good for forming pellets or briquettes. Nor is it a good binder for other biomass.
snip

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