Journal
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
Volume 10, Issue 3, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jece.2022.107361
Keywords
Hydrothermal liquefaction; Microalgae; Scenedesmus residues; FT-ICR MS; Biobinder; Rheology; Ceria
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Funding
- University of Gustave Eiffel
- ANR (Algoroute project) [ANR-16-CE08-0017]
- National FT-ICR network [FR 3624 CNRS]
- Agence Nationale de la Recherche (ANR) [ANR-16-CE08-0017] Funding Source: Agence Nationale de la Recherche (ANR)
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This study investigates the hydrothermal liquefaction of microalgae-derived feedstocks into a bio-binder, with or without a catalyst. The resulting bio-binder exhibits rheological properties similar to petroleum-derived bitumen. The chemical composition of the bio-binder is analyzed, providing insights into the role of catalysts and the presence of heavy nitrogen compounds in the bio-bitumen.
ABS T R A C T Hydrothermal liquefaction (HTL) of microalgae-derived feedstocks into a bio-binder was investigated in the absence or presence of a catalyst. The resulting products of HTL of Scenedesmus species (sp.) residues present rheological properties close to those of a petroleum-derived bitumen. The chemical composition of the biobinder was analysed by two-dimensional gas chromatography (GCxGC-MS), gel permeation chromatography (GPC), and negative and positive-ion laser desorption/ionization FT-ICR MS to provide a complementa r y analysis of the biobinder and understanding of the role of catalysts. A detailed description of the heav y nitrogen compounds contained in the biobitumen is given.
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