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Rapid screening of inorganic and organic anions in liquid by-products from hydrothermal treatment of biomass by capillary electrophoresis

Nakatani, N, Mosqueda, A, Cabot, JM ORCID: 0000-0002-3305-078X, Sanz Rodriguez, E, Yoshikawa, K and Paull, B ORCID: 0000-0001-6373-6582 2018 , 'Rapid screening of inorganic and organic anions in liquid by-products from hydrothermal treatment of biomass by capillary electrophoresis' , Electrophoresis, vol. 39, no. 7 , pp. 1014-1020 , doi: 10.1002/elps.201700366.

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Abstract

A simple and rapid capillary electrophoresis method with capacitively coupled contactless conductivity detection (CE-C4D) for the simultaneous determination of inorganic and organic anions in liquid product obtained from the hydrothermal treatment of biomass residues is presented. Under the optimal analytical conditions, limits of detection ranged from 1.8 to 9.4 μM for most target solutes and 53 μM for citrate. Relative standard deviations were below 0.5% for migration times and within 0.6-6.5% for peak areas for all solutes. The proposed method was successfully applied for the rapid determination and screening of inorganic and organic anions in liquid product produced following differing hydrothermal treatment temperatures for banana and pineapple biomass, and the contribution of organic acid formation to acidity in the liquid was evaluated. CE-C4D could be a suitable method for the optimization or tailoring of HTT conditions for desired liquid product composition, and additionally for determination of the best variety(s) of biomass to use in such processes.

Item Type: Article
Authors/Creators:Nakatani, N and Mosqueda, A and Cabot, JM and Sanz Rodriguez, E and Yoshikawa, K and Paull, B
Keywords: hydrothermal treatment by-products, biomass residue, capillary electrophoresis, hydrothermal treatment, inorganic and organic anions, liquid by-product
Journal or Publication Title: Electrophoresis
Publisher: Wiley-V C H Verlag Gmbh
ISSN: 0173-0835
DOI / ID Number: 10.1002/elps.201700366
Copyright Information:

Copyright 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

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