Originally Posted by knothead
I recommend that you sift out as much ash as possible before pulverizing the charcoal. Ash does not help composting at all.
Don't ask me how I discovered that.
Yep I usually do this to keep the extinquished coals for the next burn so keeping those coarse bits of charcoal for alternative purposes would be easily doable.
Without a vent have you encountered much in the way of dust as your system dries?