Production of high quality activated carbon
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United States of America Patent
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Nov 12, 1991
Grant Date -
N/A
app pub date -
Sep 29, 1989
filing date -
Oct 1, 1988
priority date (Note) -
Expired
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Abstract
The invention relates to a method of producing activated carbon with a large surface area and a low sulfur content. Coconut shell char, as a carbonaceous material, is mixed with granular potassium hydroxide hydrate with a water content of 2 to 25 weight %, as an activator, in a weight ratio of 1:2 through 1:6 and the mixture is heat-treated at a temperature necessary for activation.
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