Alexander Riddell

Doctoral Student at Chemical Technology

Alex studies photolysis of lignocellulosic biomass as a PhD student in the Bernin group. The concept of converting forest rest streams such as sawdust and bark from the lumber industry and liquor from the pulp and paper industry into chemical products is being investigated. The research involves the extraction of lignin and other compounds from wood, pretreatment methods, and photolysis of biomolecules within small-scale photoreactors. The potential to increase the value of trees is of interest to the forestry industry. Broadly, the goal is to assist in the transition to a “biobased economy”.

Source: chalmers.se
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Showing 6 publications

2023

Levulinic Acid-Based "Green" Solvents for Lignocellulose Fractionation: On the Superior Extraction Yield and Selectivity toward Lignin

Elodie Melro, Alexander Riddell, Diana Bernin et al
Biomacromolecules. Vol. 24 (7), p. 3094-3104
Journal article
2023

Effluents and residues from industrial sites for carbon dioxide capture: a review

Francisco Baena-Moreno, Emmanouela Leventaki, Alexander Michael Riddell et al
Environmental Chemistry Letters. Vol. 21 (1), p. 319-337
Review article
2023

Insights into Photosensitized Reactions for Upgrading Lignin

Alexander Michael Riddell, Jonna Hynynen, Francisco Baena-Moreno et al
ACS Sustainable Chemistry & Engineering. Vol. 11 (12), p. 4850-4859
Journal article
2022

A 3D printed photoreactor for investigating variable reaction geometry, wavelength, and fluid flow

Alexander Michael Riddell, Patric Kvist, Diana Bernin
Review of Scientific Instruments. Vol. 93 (8), p. 084103-
Journal article
2021

'Lignin and extractives first' conversion of lignocellulosic residual streams using UV light from LEDs

Jonna Hynynen, Alexander Michael Riddell, Abdenour Achour et al
Green Chemistry. Vol. 23 (20), p. 8251-8259
Journal article

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