Abstract
In this work activated carbon was prepared from green coconut shells by chemical activation method. It was then characterized by XRD, SEM, FT-IR and TGA. Different physical properties such as bulk density, moisture content, volatile matter content, ash content, and surface area and porosity were also determined. The activated carbon was used as adsorbent for the removal of carbon dioxide from flue gas as well as various inorganic contaminants from waste water. Removal efficiency of Methylene blue was studied by changing various parameters such as adsorbent dosage and contact time. This study showed that for the removal of various pollutants from flue gas and waste water treatment activated carbon can be used as a good adsorbent.
Highlights
Adsorption has appeared as one of the promising methods for CO2 capture and sequestration due to its low energy consumption, costeffectiveness, relatively simple technological process, non-corrosive to the equipments and it is applicable over a relatively wide range of temperatures and pressures [1,2,3]
In this study green coconut shell has been chosen as raw material for preparation of AC because it is considered superior to those obtained from other sources mainly due to small macrospores structure which renders it more effective for the adsorption of gas/vapour and for the removal of colour and odour of compounds
The adsorbents were characterized by using Scanning electronic microscope (SEM), Fourier transfer infrared spectroscopy (FTIR), X-Ray diffraction (XRD), Accelerated surface area and porosimetry analyzer (ASAP2020)
Summary
Adsorption has appeared as one of the promising methods for CO2 capture and sequestration due to its low energy consumption, costeffectiveness, relatively simple technological process, non-corrosive to the equipments and it is applicable over a relatively wide range of temperatures and pressures [1,2,3]. In this study green coconut shell has been chosen as raw material for preparation of AC because it is considered superior to those obtained from other sources mainly due to small macrospores structure which renders it more effective for the adsorption of gas/vapour and for the removal of colour and odour of compounds. It has high fixed carbon and low ash content. The objective of this study was to prepare relatively well developed porosity activated carbons from green coconut shell by chemical activation methods. Its performance for liquid adsorption capacity was tested by Methylene blue adsorption by using UV Spectro photometer
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