Journal
CHEMICAL ENGINEERING RESEARCH & DESIGN
Volume 177, Issue -, Pages 13-23Publisher
ELSEVIER
DOI: 10.1016/j.cherd.2021.10.009
Keywords
Biodegradation; Continuous two-phase partitioning bioreactor; Water treatment; Xenobiotics; Dimensionless analysis
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This paper introduces a new continuous two phase bioreactor (C-TPPB) configuration for the removal and degradation of xenobiotic compounds from wastewaters. A mathematical model was developed and validated, and a dimensionless analysis was conducted to detect the design criteria. The removal of 4-NtiroPhenol was used as a case study to develop a preliminary design algorithm.
This paper proposes a new continuous two phase bioreactor (C-TPPB) configuration for the removal and degradation of xenobiotic compounds from wastewaters. The reactor is made of three principal parts: a tube side in which the wastewater flows; a polymeric membrane which constitutes the tube walls; a shell side, set as a continuous stirred tank reactor (CSTR), in which the xenobiotics are degraded by means of a bacterial population. A mathematical model for the system description was developed and validated by means of fitting using literature experimental data obtained from a similar configuration. Since the nature of the fitting parameters did not depend upon the particular set-up, such validation procedure was possible. A dimensionless analysis was also carried out by defining a modified Stenton (St') and Damkohler (Da') number in order to detect the C-TTPB design criteria. The removal of 4-NtiroPhenol was reported as a case study and an algorithm for a preliminary design procedure was developed. (c) 2021 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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