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Article citations


Otowa, T., Tanibata, R. and Itoh, M. (1993) Production and Adsorption Characteristics of MAXSORB: High Surface Area Active Carbon. Gas Sep Purif, 7, 241-245.

has been cited by the following article:

  • TITLE: Synthesis and Characterization of Porous Carbon from Petroleum Pitch Using KOH

    AUTHORS: C. Srinivasakannan, Mohammad El-Mootassem, K. Suresh Kumar Reddy, Ahmed Al Shoaibi

    KEYWORDS: Petroleum Coke, Porous Carbon, KOH Activation, ANOVA, Optimization

    JOURNAL NAME: Journal of Materials Science and Chemical Engineering, Vol.6 No.7, July 4, 2018

    ABSTRACT: Preparation and process optimization of porous carbons using different carbon sources and activating agents are frequently and commonly reported in open literature. However, only scanty references are made on utilization of petroleum coke for conversion to high surface area porous carbon using KOH as the activating agent. Hence, the present work attempts a process optimization exercise to prepare high surface area porous carbon from Petroleum coke using chemical activation (KOH) utilizing design of experiments. The effect of activation temperature, petroleum coke to KOH ratio (KPR) and activation duration were assessed on the surface area and yield of the porous carbon. The process optimization was performed covering experimental parameters in the range of 500?C - 800?C, 2 - 5 and 30 - 120 min. The optimal process conditions for maximizing the yield and BET surface area was identified to be an activation temperature of 639?C, KPR of 4.5 and activation duration of 43 min, having BET surface area 1765 m2/g and yield of 89.8%. However, an attempt to maximize only the BET surface area, ignoring yield has resulted with a porous carbon with maximum surface area of 2061 m2/g, with the optimal process conditions being an activation temperature of 688?C, KPR of 3.8 and activation duration of 74 min, with the corresponding yield of only 77%. The characterization of porous carbon was performed using nitrogen adsorption isotherm, FT-IR and SEM analysis.