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Development of bimetallic nickel-based catalysts supported on activated carbon for green fuel production

机译：用于绿色燃料生产活性炭的双金属镍基催化剂的研制

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摘要

In this work, the catalytic deoxygenation of waste cooking oil (WCO) over acid-base bifunctional catalysts (NiLa, NiCe, NiFe, NiMn, NiZn, and NiW) supported on activated carbon (AC) was investigated. A high hydrocarbon yield above 60% with lower oxygenated species was found in the liquid product, with the product being selective towardn-(C-15+ C-17)-diesel fractions. The predominance ofn-(C-15+ C-17) hydrocarbons with the concurrent production of CO and CO2, indicated that the deoxygenation pathway proceededviadecarbonylation and decarboxylation mechanisms. High deoxygenation activity with bettern-(C-15+ C-17) selectivity over NiLa/AC exposed the great synergistic interaction between La and Ni, and the compatibility of the acid-base sites increased the removal of oxygenated species. The effect of La on the deoxygenation reaction performance was investigated and it was found that a high percentage of La species would be beneficial for the removal of C-O bonded species. The optimum deoxygenation activity of 88% hydrocarbon yield with 75%n-(C-15+ C-17) selectivity was obtained over 20% of La, which strongly evinced that La leads to a greater enhancement of the deoxygenation activity. The NiLa/AC reusability study showed consistent deoxygenation reactions with 80% hydrocarbon yield and 60%n-(C-15+ C-17) hydrocarbon selectivity within 6 runs.
机译：在这项工作中，研究了在活性炭（AC）上支持的酸碱双官能催化剂（NILA，NILA，NILA，NILA，NILA，NILA，NIF，NIFN，NIMN，NIZN和NIW）的催化脱氧。在液体产物中发现高氧化物质以上60％以上的高烃产率，该产品具有选择性的直接（C-15 + C-17） - 柴油级分。与CO和CO2的同时产生的NN-（C-15 + C-17）烃的优势表明，脱氧途径持续的癸烷基化和脱羧机制。通过NILA / AC的BENTERN-（C-15 + C-17）选择性高脱氧活性暴露了LA和Ni之间的良好协同相互作用，酸基产点的相容性增加了含氧物种的去除。研究了La对脱氧反应性能的影响，发现高百分比的La物种对于除去C-O键合物种是有益的。获得88％N-（C-15 + C-17）选择性的最佳脱氧活性为88％（C-15 + C-17）选择性，以20％的La获得，这强烈地表达了La导致脱氧活性的提高。的尼拉/ AC可重用性的研究表明，用80％的烃产率和60％的N-（C-15 + C-17）6次内烃的选择性一致的脱氧反应。

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  • 来源
    《RSC Advances》 |2020年第61期|共15页
  • 作者

    Adira Wan Khalit Wan Nor; Marliza Tengku Sharifah; Asikin-Mijan N.; Gamal M. Safa; Saiman Mohd Izham; Ibrahim Mohd Lokman; Taufiq-Yap Y. H.;

  • 作者单位

    Univ Putra Malaysia Catalysis Sci &

    Technol Res Ctr PutraCat Fac Sci Upm Serdang 43400 Selangor Malaysia;

    Univ Putra Malaysia Catalysis Sci &

    Technol Res Ctr PutraCat Fac Sci Upm Serdang 43400 Selangor Malaysia;

    Univ Kebangsaan Malaysia Fac Sci &

    Technol Dept Chem Sci Ukm Bangi 43600 Selangor Darul Malaysia;

    Univ Putra Malaysia Catalysis Sci &

    Technol Res Ctr PutraCat Fac Sci Upm Serdang 43400 Selangor Malaysia;

    Univ Putra Malaysia Catalysis Sci &

    Technol Res Ctr PutraCat Fac Sci Upm Serdang 43400 Selangor Malaysia;

    Univ Putra Malaysia Bintulu Campus Dept Sci &

    Technol Bintulu Campus Nyabau Rd Sarawak 97008 Malaysia;

    Univ Putra Malaysia Catalysis Sci &

    Technol Res Ctr PutraCat Fac Sci Upm Serdang 43400 Selangor Malaysia;

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