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Sapindus Based Activated Carbon by Chemical Activation

Author Affiliations

  • 1 Chemical Engineering Department, DCR University of Science and Technology, Sonepat, INDIA
  • 2 Materials and Mechanical Entity, VSSC, Indian Space Research Organisation, Thiruvananthapuram, INDIA

Res. J. Material Sci., Volume 1, Issue (7), Pages 9-15, August,16 (2013)

Abstract

Organic waste sapindus seeds hulls are activated chemically using concentrated sulphuric acid in the 1:1 weight ratio at the temperature of 160C for 24 h. Activated carbon (AC) is characterized for its various properties. A char yield of 60.8 % is obtained. Proximate analysis of AC shows an ash content of 5.08 % and volatile content of 71.8 %. Physical analysis of the AC highlights that the percentage of the carbon content existing in the AC is 53.7 %. Further, H/C ratio decreased from 0.15 of sapindus seed hulls to 0.069 for AC, indicating the richness of AC in terms of its carbon content. Surface morphology shows the generation of large number of pores on the surface of AC. IR spectrum reveals the presence of various functional groups on the surface of AC.

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