Conversion of biomass derived furfural to a jet fuel precursor in the presence of 1,4-butanediol as hydrogen donor

IF 5.8 2区生物学 Q1 AGRICULTURAL ENGINEERING

Biomass & Bioenergy Pub Date : 2024-10-13 DOI:10.1016/j.biombioe.2024.107429

Gheorghiţa Mitran , Tam Le Phuong Nguyen , Dong-Kyun Seo

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Abstract

The use of alternative sources of energy derived from biomass instead of those from fossil fuels represents a viable alternative to the ever-increasing fuel requirements. One of these products is hydrofuroin, an important precursor for jet fuel that can be obtained from furfural by reductive self-coupling using 1,4-butanediol as hydrogen donor, both reactants have the advantage to be biomass derived products. Manganese aluminate, MnAl₂O₄ has a promising candidate for the reaction mentioned above. The solvent (ethanol or butanol) influence on the sol-gel preparation method, as well as the nature of the catalyst (HNO₃ or NH₃) used to control the hydrolysis rate of the precursors, were the factors followed in the evaluation of the catalytic activity. Ethanol as solvent and basic medium (pH 8) generate materials with higher surface area, uniform particles with smaller sizes, preserve the Mn/Al ratio corresponding to the formula MnAl₂O₄, have higher Mn²⁺/Al³⁺ ratio compared to butanol as solvent and acidic medium (pH 2) for preparation. Therefore, the highest activity, including the conversion, yield in products and selectivity in hydrofuroin, was observed on these catalysts.

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在以 1,4-丁二醇为氢供体的情况下将生物质衍生的糠醛转化为喷气燃料前体

使用从生物质中提取的替代能源而不是化石燃料，是满足日益增长的燃料需求的一种可行的替代方法。其中一种产品是氢糠醛，它是喷气燃料的一种重要前体，可以通过以 1,4-丁二醇为氢供体的还原自偶联反应从糠醛中获得。铝酸锰（MnAl2O4）有望用于上述反应。溶剂（乙醇或丁醇）对溶胶-凝胶制备方法的影响，以及用于控制前驱体水解速率的催化剂（HNO3 或 NH3）的性质，都是评估催化活性所遵循的因素。乙醇作为溶剂和碱性介质（pH 值为 8）生成的材料与丁醇作为溶剂和酸性介质（pH 值为 2）制备的材料相比，具有更高的表面积、更小的均匀颗粒、保持与 MnAl2O4 公式相对应的 Mn/Al 比率、更高的 Mn2+/Al3+ 比率。因此，在这些催化剂上观察到了最高的活性，包括转化率、产品产率和对氢糠酸的选择性。

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来源期刊

Biomass & Bioenergy 工程技术-能源与燃料

CiteScore

11.50

自引率

3.30%

发文量

258

审稿时长

60 days

期刊介绍： Biomass & Bioenergy is an international journal publishing original research papers and short communications, review articles and case studies on biological resources, chemical and biological processes, and biomass products for new renewable sources of energy and materials. The scope of the journal extends to the environmental, management and economic aspects of biomass and bioenergy. Key areas covered by the journal: • Biomass: sources, energy crop production processes, genetic improvements, composition. Please note that research on these biomass subjects must be linked directly to bioenergy generation. • Biological Residues: residues/rests from agricultural production, forestry and plantations (palm, sugar etc), processing industries, and municipal sources (MSW). Papers on the use of biomass residues through innovative processes/technological novelty and/or consideration of feedstock/system sustainability (or unsustainability) are welcomed. However waste treatment processes and pollution control or mitigation which are only tangentially related to bioenergy are not in the scope of the journal, as they are more suited to publications in the environmental arena. Papers that describe conventional waste streams (ie well described in existing literature) that do not empirically address ''new'' added value from the process are not suitable for submission to the journal. • Bioenergy Processes: fermentations, thermochemical conversions, liquid and gaseous fuels, and petrochemical substitutes • Bioenergy Utilization: direct combustion, gasification, electricity production, chemical processes, and by-product remediation • Biomass and the Environment: carbon cycle, the net energy efficiency of bioenergy systems, assessment of sustainability, and biodiversity issues.