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2020 | 31 | 25-35
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Manufacturing of activated carbon using disposable coconut shells

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Activated carbon is a solid carbon compound that is composed of carbon in the form of charcoal. It plays a major role in some industrial applications such as water and air purification because of the strong adsorption of its surfaces and its tendency to remove some volatile organic compounds (VOC) and most of contaminants from the water, air or some other material. Various base materials are used in the manufacturing of activated carbon, including different woods and certain synthetic materials. According to the scope of new research, it is possible to produce activated carbon economically using coconut shell waste products. In our work, the coconut shells were burnt using a muffle furnace and at a range of temperatures in 300 ºC - 390 ºC. The elemental compositions of manufactured activated carbon were analyzed using X-ray fluorescence (XRF) spectrophotometer, while the surfaces of manufactured activated carbon were microscopically analyzed using an optical microscope. Thus, the range of 330 ºC - 350 ºC was considered as the most adequate temperatures for the manufacturing process of activated carbon from these coconut shells. Beyond the non-metal carbon, 68.85% Fe and 31.15% K are generated.
Physical description
  • Department of Chemical and Process Engineering, University of Peradeniya, Peradeniya, 20400, Sri Lanka
  • Department of Chemical and Process Engineering, University of Peradeniya, Peradeniya, 20400, Sri Lanka
  • Department of Physics, University of Peradeniya, Peradeniya, 20400, Sri Lanka
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