What is it about?
Microwave-steam activation (MSA), an innovative pyrolysis approach combining the use of microwave heating and steam activation was investigated for its potential production of high grade activated carbon (AC) from waste palm shell (WPS) for methylene blue removal. MSA was performed via pyrolytic carbonization of WPS to produce biochar as the first step followed by steam activation of the biochar using microwave heating to form AC.
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Why is it important?
MSA provided a high activation temperature above 500 °C with short process time of 15 min and rapid heating rate (≤150 °C/min). The results from optimization showed that one gram of AC produced from steam activation under 10 min of microwave heating at 550 °C can remove up to 38.5 mg of methylene blue.
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This page is a summary of: Microwave steam activation, an innovative pyrolysis approach to convert waste palm shell into highly microporous activated carbon, Journal of Environmental Management, April 2019, Elsevier,
DOI: 10.1016/j.jenvman.2019.01.010.
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