American Journal of Chemical Engineering

Archive

Volume 8, Issue 5, September 2020

  • Setting Times of Portland Cement Blended with Locust Bean Pod and Eggshell Ashes

    Olubajo Olumide Olu, Osha Odey Ade, Abubakar Jibril

    Issue: Volume 8, Issue 5, September 2020
    Pages: 103-111
    Received: 2 September 2020
    Accepted: 18 September 2020
    Published: 28 September 2020
    DOI: 10.11648/j.ajche.20200805.11
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    Abstract: This paper investigates the potentials of replacing cement with Locust beans pod ash (LBPA) and Eggshell ash (ESA) on the setting time properties of cement blends such as consistency and initial and final setting times. It also covers a comparative analysis on consistency and setting time results of the cement blends and control. The consistency an... Show More
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  • Simulating the Effects of Poisoning on the Rate of the Oxidation of Ammonia over a V2O5/TiO2 Monolithic Diesel SCR Catalyst Using a Multichannel Model

    Clas Ulf Ingemar Odenbrand

    Issue: Volume 8, Issue 5, September 2020
    Pages: 112-124
    Received: 2 September 2020
    Accepted: 19 September 2020
    Published: 30 October 2020
    DOI: 10.11648/j.ajche.20200805.12
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    Abstract: The background to this study is the need to find out if some reactions of O2 oxidation of ammonia oxidation are important in the Selective Catalytic Reduction (SCR) of NO by NH3. The objective of the study was to shed light on the influence of poisoning on these reactions over a diesel SCR catalyst by compounds in the exhaust gases. The method used... Show More
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