Smelting steel from Japanese coffee grounds and old tea leaves
My drinking buddy “Mulboyne found this strange English manga from Kinky/Kinki about “Bio-coke Man” — (Part 1, pdf) and (Part 2, pdf) who helps produce steel from old Japanese tea leaves and coffee grounds.
Melting iron with tea…
Kippo News - Kansai in Focus: Vol.15 No.571 Wednesday, July 09, 2008
… makers of tea, coffee and other soft drinks that have come to be consumed extensively have spent huge sums of money for the disposal of great quantities of residue.
…. the Kinki University’s School of Science and Engineering, has been developing ‘bio-coke’ capable of producing high temperatures for use in iron manufacture from the remnants of tea and other waste materials…more…
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August 2nd, 2008 at 11:09 pm
Semi-BOGUS.
All they did was turn old coffee grounds into charcoal-like fuel (analogous to the way charcoal is produced from wood) that is highly compressed. The converted coffee grounds works as coke fuel for smelting iron ore in a blast furnace. I bet they adding tar to the coffee grounds to aid producing the “bio-coke.”