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Petrochemical condensate treatment by membrane aerated biofilm reactors: A pilot study by Irina Veleva; Wout Van Weert; Nicolaas Van Belzen; Emile Cornelissen; Arne Verliefde; Marjolein Vanoppen is a Engineering article available to read on EtoBox.

What is Petrochemical condensate treatment by membrane aerated biofilm reactors: A pilot study about?

An OxyMem membrane aerated biofilm reactor (MABR) pilot of two ~ 54 L reactors in series with a hydraulic retention time (HRT) of 10 h each was successfully applied for the treatment of real petrochemical condensate with a total organic carbon (TOC) concentration of ~ 100 mg/L. The main aim was to (i) evaluate the removal efficiency (RE) of main petrochemical pollutants and (ii) to examine the operational performance of the two onsite pilot-scale MABR units. The start-up/inoculation of the reactors in batch mode, followed by continuous pilot operation on synthetic feed, and the transition from synthetic to an actual petrochemical feed were covered. At stable operational conditions on the actual feed, the pilot in series achieved an overall RE for TOC, biological oxygen demand (BOD 5 ), organic acids, phenol, and ammonia of 80-85%, ~95%, >98%, ~98%, and 70-90%. The system in series demonstrated high resilience to process fluctuations, high treatment efficiency of the complex feed, and the ability to develop a diverse biofilm. In terms of oxygen transfer rate (OTR), oxygen transfer efficiency (OTE), and specific aeration efficiency (SAE) values of > 1.5 g/m 2 /day, > 21%, and > 6.5 k

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Author

Irina Veleva; Wout Van Weert; Nicolaas Van Belzen; Emile Cornelissen; Arne Verliefde; Marjolein Vanoppen

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Engineering (Physical Sciences)