Moving Bed Biofilm Reactor Performance on Saline Produced Water (Upstream Oil & Gas) at Very Low Hydraulic Retention Time

Matthieu Jacob, Bertrand Segues, Marie-Claire Lot, El hadji Ibrahima Ndiaye (), Cecilia Sambusiti, Patrick Baldoni-Andrey and Frédéric Perie
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Matthieu Jacob: TotalEnergies, PERL–Pôle d’Etudes et de Recherche de Lacq, Pôle Economique 2, BP 47–RD 817, 64170 Lacq, France
Bertrand Segues: TotalEnergies, PERL–Pôle d’Etudes et de Recherche de Lacq, Pôle Economique 2, BP 47–RD 817, 64170 Lacq, France
Marie-Claire Lot: TotalEnergies, PERL–Pôle d’Etudes et de Recherche de Lacq, Pôle Economique 2, BP 47–RD 817, 64170 Lacq, France
El hadji Ibrahima Ndiaye: TotalEnergies, PERL–Pôle d’Etudes et de Recherche de Lacq, Pôle Economique 2, BP 47–RD 817, 64170 Lacq, France
Cecilia Sambusiti: TotalEnergies, PERL–Pôle d’Etudes et de Recherche de Lacq, Pôle Economique 2, BP 47–RD 817, 64170 Lacq, France
Patrick Baldoni-Andrey: TotalEnergies, PERL–Pôle d’Etudes et de Recherche de Lacq, Pôle Economique 2, BP 47–RD 817, 64170 Lacq, France
Frédéric Perie: TotalEnergies, PERL–Pôle d’Etudes et de Recherche de Lacq, Pôle Economique 2, BP 47–RD 817, 64170 Lacq, France

Waste, 2023, vol. 1, issue 1, 1-18

Abstract: This paper presents the results obtained on an oil and gas field terminal in Gabon during a continuous 8-month long operation involving the move of a pre-industrial bed biofilm bioreactor pilot for treating highly saline produced water (100 g/L). After several months of efficient acclimation of the biofilm carriers, more than 90% of the biological oxygen demand, 50% of total organic carbon and 35% of the chemical oxygen demand were removed during 1 h of residence time at a maximum organic loading rate of 12 kgCOD.m −3 .day −1 , making it a highly promising solution for offshore produced water treatment. These values reached more than 95%, 80% and 60% of BOD, TOC and COD removal, respectively, for 12 h residence time. In addition to the significant removal efficiency of the pilot, it is also important to highlight the robustness of the process. The presence of an acclimated biofilm properly attached to the carriers strongly reduced biomass washing during anomalous phases in comparison to a conventional activated sludge configuration. This technology favorably follows the three key pillars for implementing offshore technologies: high removal performance, robustness and low footprint.

Keywords: moving bed bioreactor; aerobic digestion; produced water; water treatment; biotreatment; supported biomass (search for similar items in EconPapers)
JEL-codes: Q1 Q16 Q18 Q2 Q20 Q23 Q24 Q25 Q28 Q3 Q31 Q38 Q5 (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:gam:jwaste:v:1:y:2023:i:1:p:20-312:d:1064710

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