big gap in consumables between T1 & T2... a doubling of the Hydrogen donor solvent - good that they are also doing acid vs alkaline test for leech... but would have been interesting to see what a 1:1.5 ratio would have resulted in...
looks like roasting at 700 deg resulted in similar yield as 900deg roasting for the same time... which indicates power saving could be made, unless the higher roasting temp resulted in less leech time required, but it doesn't look like it was tested that way (or insufficient data points provided)
Positive progress either way
Ann: Second Pilot Plant Testing Achieves Excellent Results, page-3
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