To test the capability of the TLUD, four organic feedstocks
were selected because of their availability near the Everglades Agricultural Area (EAA) and surrounding urban
location. The feedstocks consisted of (i) sugarcane bagasse
obtained from the Sugar Cane Growers Cooperative of
Florida in Belle Glade, FL; (ii) horse barn shavings with
manure from the Palm Beach Polo Golf and Country
Club, Wellington, FL, (iii) hardwood yard waste; and (iv)
palm fronds from Wellington Solid Waste Authority. All
four feedstocks were dried at 50°C for 72 hours prior to
being packed into the chimney. Proficiency in starting the
gasification, maintaining a steady burn-line, and producing
a consistent batch of biochar takes some experience, so
multiple batches of feedstocks were cooked. According
to Dr. John Gaunt (Director GY Associates and Cornell
University), slow pyrolysis is the most effective means
of producing biochar with typical biochar yields of 35 to
50% of dried biomass weight, and in terms of efficient
conversion of biomass to useful products the TLUD
gasifier’s performance is at or very near the top among the
latest stove designs. Each feedstock must be pre-treated to
a desirable moisture content and gasified with the correct
updraft volume/velocity. Approximately 75–85 lb. of the
dried feedstock was carefully packed into the chimney to
minimize any air pockets that could otherwise result in
To test the capability of the TLUD, four organic feedstocks were selected because of their availability near the Everglades Agricultural Area (EAA) and surrounding urban location. The feedstocks consisted of (i) sugarcane bagasse obtained from the Sugar Cane Growers Cooperative of Florida in Belle Glade, FL; (ii) horse barn shavings with manure from the Palm Beach Polo Golf and Country Club, Wellington, FL, (iii) hardwood yard waste; and (iv) palm fronds from Wellington Solid Waste Authority. All four feedstocks were dried at 50°C for 72 hours prior to being packed into the chimney. Proficiency in starting the gasification, maintaining a steady burn-line, and producing a consistent batch of biochar takes some experience, so multiple batches of feedstocks were cooked. According to Dr. John Gaunt (Director GY Associates and Cornell University), slow pyrolysis is the most effective means of producing biochar with typical biochar yields of 35 to 50% of dried biomass weight, and in terms of efficient conversion of biomass to useful products the TLUD gasifier’s performance is at or very near the top among the latest stove designs. Each feedstock must be pre-treated to a desirable moisture content and gasified with the correct updraft volume/velocity. Approximately 75–85 lb. of the dried feedstock was carefully packed into the chimney to minimize any air pockets that could otherwise result in
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