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Activated charcoal
The feasibility of preparation of particulate activated carbon from char of cocoa nut husk by water vapour microwave was studied.
The huge surface area of activated charcoal gives it countless bonding sites.

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Open the tool →活性炭 (huó xìng tàn) means “Activated carbon, Activated charcoal”.
活性炭 is pronounced huó xìng tàn in Mandarin Chinese.
“Activated carbon” is 活性炭 (huó xìng tàn) in Chinese.
This page has 2 example sentences using 活性炭, each with pinyin and an English translation.