Science Journal of Chemistry

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Volume 6, Issue 1, February 2018

  • Adsorption of Humic Acid onto Jordanian Kaolinite Clay: Effects of Humic Acid Concentration, pH, and Temperature

    Khansaa Al-Essa, Fawwaz Khalili

    Issue: Volume 6, Issue 1, February 2018
    Pages: 1-10
    Received: 7 December 2017
    Accepted: 18 December 2017
    Published: 11 January 2018
    DOI: 10.11648/j.sjc.20180601.11
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    Abstract: Kaolinite clay has low cation exchange capacity and small surface area; it has rarely been used as adsorbent. As well as, green, low cost and efficient adsorbent is desired. Modification of kaolinite is necessary to improve its adsorption capacity. Jordanian kaolinite has been modified by humic acid (HA) through batch adsorption mode. Two types of ... Show More
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  • Catalytic Activity of Cobalt-Molybdenum in Gas-Phase Ketonisation of Pentanoic Acid

    Hossein Bayahia

    Issue: Volume 6, Issue 1, February 2018
    Pages: 11-16
    Received: 26 March 2018
    Accepted: 16 April 2018
    Published: 8 May 2018
    DOI: 10.11648/j.sjc.20180601.12
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    Abstract: Ketonisation of pentanoic acid over bulk cobalt-molybdenum and its supported catalysts in the gas-phase was investigated using a fixed bed reactor under atmospheric pressure at 320-420°C. Compared to other supported catalysts, 20% Co-Mo/Al2O3 demonstrated the best catalytic performance and stability giving to give 95% 5-nonanoe selectivity at 91% p... Show More
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