Production of chemicals via tandem conversion of bio-oil derived fractions

IF 7.4 2区工程技术 Q1 ENGINEERING, CHEMICAL Journal of Environmental Chemical Engineering Pub Date : 2025-02-01 DOI:10.1016/j.jece.2024.115050

Evgeny Naranov , Alexey Sadovnikov , Olga Arapova , Alexander Guda , Konstantin Dementev , Ashot Arzumanyan , Gleb Kubrin , Dmitry Kholodkov , Alexander Zagrebaev , Kaige Wang , Zhongyang Luo , Anton Maximov

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Abstract

Studying chemical production from biomass is essential for developing sustainable and eco-friendly alternatives to fossil-derived chemicals, reducing greenhouse gas emissions, and promoting a circular bioeconomy. In this study a new biomass upgrading route was proposed including extraction of phenolic fraction followed by catalytic hydroconversion and then dehydration to olefins. The conversion of bio-oil fraction into olefins was developed using a continuous-flow setup with two reactors for tandem hydrogenation – dehydration process (225 °C in the 1st reactor with 2 % Ru over titanosilicalite-1 (TS-1) catalyst, 160 °C in the 2nd reactor with BEA catalyst, 5 MPa H₂, LHSV 1.5 h⁻¹). The optimized mild conditions were determined for each stage of the catalytic conversion process, which allowed us to obtain cyclohexene from bio-oil-derived compounds with a selectivity of up to 70 %. The olefin fraction was further transformed to silicon-organic chemicals via hydrosilylation on Pt catalyst. Using in situ DRIFT technique and in situ X-ray absorption spectroscopy (XAS) we determined the mechanism of selective hydrodeoxygenation and evolution of Ru species.

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来源期刊

Journal of Environmental Chemical Engineering Environmental Science-Pollution

CiteScore

11.40

自引率

6.50%

发文量

2017

审稿时长

27 days

期刊介绍： The Journal of Environmental Chemical Engineering (JECE) serves as a platform for the dissemination of original and innovative research focusing on the advancement of environmentally-friendly, sustainable technologies. JECE emphasizes the transition towards a carbon-neutral circular economy and a self-sufficient bio-based economy. Topics covered include soil, water, wastewater, and air decontamination; pollution monitoring, prevention, and control; advanced analytics, sensors, impact and risk assessment methodologies in environmental chemical engineering; resource recovery (water, nutrients, materials, energy); industrial ecology; valorization of waste streams; waste management (including e-waste); climate-water-energy-food nexus; novel materials for environmental, chemical, and energy applications; sustainability and environmental safety; water digitalization, water data science, and machine learning; process integration and intensification; recent developments in green chemistry for synthesis, catalysis, and energy; and original research on contaminants of emerging concern, persistent chemicals, and priority substances, including microplastics, nanoplastics, nanomaterials, micropollutants, antimicrobial resistance genes, and emerging pathogens (viruses, bacteria, parasites) of environmental significance.