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A standardized biohydrogen potential protocol: An international round robin test approach

Abstract : Hydrogen production by dark fermentation is an emerging technology of increasing interest due to its renewable feature. Recent scientific advances have well investigated the operational conditions to produce hydrogen through the valorization of several wastes or wastewaters. However, the development of standardized protocols to accurately assess the biohydrogen potential (BHP) is of crucial importance. This work is the first interlaboratory and international effort to validate a protocol estimating hydrogen potential using batch tests, using glucose as individual model substrate. The repeatability of the hydrogen potential (HP) increased with variations of the proposed protocol: reducing substrate concentration, increasing the buffer capacity, and using an automatic device. The interlaboratory variation of the HP was reduced from 32 to 12%, demonstrating the reproducibility and robustness of the proposed protocol. Recommendations to run BHP tests were formulated in terms of i) repeatability and reproducibility of results, ii) criteria for results validation and acceptance, iii) workload of the proposed protocols.
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https://hal.inrae.fr/hal-02623601
Déposant : Migration Prodinra <>
Soumis le : mardi 26 mai 2020 - 08:41:23
Dernière modification le : vendredi 5 février 2021 - 03:50:04

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Julian Carrillo-Reyes, Aída Tapia-Rodríguez, German Buitron, Iván Moreno-Andrade, Rodolfo Palomo-Briones, et al.. A standardized biohydrogen potential protocol: An international round robin test approach. International Journal of Hydrogen Energy, Elsevier, 2019, 44 (48), pp.26237-26247. ⟨10.1016/j.ijhydene.2019.08.124⟩. ⟨hal-02623601⟩

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