Citation
Mohamat Yusuff, Soleha and Ong, Keat Khim and Wan Yunus, Wan Md Zin and Fitrianto, Anwar and Ahmad @ Ayob, Mansor and Ibrahim, Nor Azowa and Che Ros, Fadhlina and Teoh, Chin Chuang and Mohd Tawil, Siti Nooraya
(2017)
Adsorption of carbon dioxide by reusing drinking water treatment plant sludge.
Asian Journal of Chemistry, 29 (12).
2665 - 2670.
ISSN 0970-7077; ESSN: 0975-427X
Abstract
Cost effective, easy to use and regenerate could be the desired properties of an adsorbent. Reusing of waste material as CO2 adsorbent can be a good alternative for solving the problem of waste disposal as well. Thus, in this study, aluminium-based drinking water treatment plant sludge as carbon dioxide adsorbent was reused. The sludge collected from a local drinking water treatment plant. It was dried and characterized using scanning electron microscope-energy disperse X-ray (SEM-EDX), Fourier transform infrared spectrometer (FTIR) and thermogravimetric analysis (TGA). Investigations of the effects of temperature, flow rate, concentration of CO2 and adsorbent dosage on CO2 adsorption capacity were performed using a fixed bed column at a pressure of 1 bar. The maximum capacity of 32.56 mg/g was found which was higher than that of some reported adsorbents.
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