Preparation of activated carbon from needle coke via two-stage steam activation process
Materials Letters(2019)
Abstract
•Mesoporous activated carbon was prepared from needle coke via two-stage steam activation process.•The activated needle cokes treated by 1st steam activation exhibited the highest specific surface area of 643.3 m2/g.•2nd steam activation using the naphthalene makes the average pore diameter to increase.•The highest specific surface area and average pore diameter showed 1134.3 m2/g and 2.77 nm via two-stage steam activation.
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Key words
Needle coke,Steam activation,Activated carbon,Naphthalene,Pitch
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