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A charcoal prepared by pyrolyzing stones of awara, a nut from a common Guyanese palm tree, was physically activated with water according to two different procedures. Either superheated steam (SHS) at 600, 700 or 800°C and atmospheric pressure, or supercritical water (SCW) at 600°C and 250 or 350 bar, was used. The main characteristics of the resultant activated carbons were measured and compared;...
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