Processing and quality of activated carbon from coconut shell
2010
Tan, Jerry
Coconut shell activated carbon (carbonaceous adsorbent) is a black granular form with extensive microscopic internal structures ideal for adsorbtion of molecules in both liquid and gas phases. Coconut shell-based activated carbon consists of more microporous structure inside. There are three types of pores found in the charcoal: (i) macropores (entrance), (ii) mesopores (transportation) and (iii) micropores (adsorption). The properties of steam¬processed coconut shell activated carbon are: (i) higher density than coal or wood base carbon, (ii) superior hardness (iii) extremely microporous, (iv) low ash content, (v) ability to be regenerated, and (vi) non-toxic. This paper also included aspects of activated charcoal processing, standards for laboratory testing, applications of activated carbon, types and quality characteristic of activated charcoal to meet market requirements.
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