Coconut shell, a by-product of copra processing, is a good material for activated carbon/charcoal ( Fig. 1(519)). Activated charcoal (charcoal activated with CO2, water vapor, or chemical compounds) made of […]
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Coconut shell, a by-product of copra processing, is a good material for activated carbon/charcoal ( Fig. 1(519)). Activated charcoal (charcoal activated with CO2, water vapor, or chemical compounds) made of […]
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