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Briquette and bio diesel?


bradshaw groundcare
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any one used the waste from bio diesel to use in the making of briquettes?

 

Yes I made some way back from the brown glycerine sludge left over from esterification of chip frying oil and sander/arbotec dust from a wood carver. I used a sausage stuffing machine to extrude them but the result was turd like and not very firm. If you think about it glycerine is is used to soften sugar icing rather than bind it. They burned alright but there is a problem in that if the combustion goes oxygen deficient aldehydes are given off in the flue.

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Yep - acreolin is the stuff - not a very pleasant thing to be chucking out of a chimney for the kids next door to be breathing in! Probably better making hand cleaner or something out of the glycerol instead and making proper briquettes that don't need any glues or binders to stick 'em together.

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