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2 publications

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    Review on: Heterogeneous Solid Base Catalyst Production from Waste Animal Bone as Transesterification of Jatropha Oil

    By Kaleab Bizuneh Gebeyehu, Belete Tessema Asfaw, Tihitna Abebe

    Abstract: Biodiesel is produce mainly by transesterification, reacting vegetable oils or animal fats with monohydric alcohol in presence of a catalyst. The transesterification reaction is affected by various parameters. One of this parameter is catalyst type. Generally, catalysts used in transesterification reaction can be divided into three categories: homogenous, heterogeneous and enzymes. Heterogeneous catalysts offer numerous advantages over homogeneous catalysts as it can easily be separated from reaction mixture and can …

    Published in Journal of Catalyst & Catalysis · Vol. 7, Issue 1, 2020 · pp. 13–23 Read article

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    Recovery of Liquid Hydrocarbon Fuels from Polypropylene Waste Plastics via Catalytic Pyrolysis

    By Tihitna Abebe, Belete Tessema Asfaw

    Abstract: Process of pyrolysis is a thermo-chemical method conducted at high temperatures and usually in presence of catalysts. Dissimilar type of natural and synthetic catalysts are used for alteration of organic wastes into cherished fuels. The aim of this work is conversion of waste production of liquid fuel using catalyst that produced from rice husk ash. Waste plastic was pyrolyzed at temperature range 430-470oC and obtained products were liquid fuel, gas …

    Published in Journal of Catalyst & Catalysis · Vol. 7, Issue 1, 2020 · pp. 33–48 Read article

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