Numerical modeling of an electrically enhanced membrane bioreactor (MBER) treating medium-strength wastewater

Adewale Giwa, Shadi Wajih Hasan

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

In this paper, a numerical model of an electrically enhanced membrane bioreactor (MBER) was developed. MBER is a reactor that combines biological decomposition, membrane filtration and electrocoagulation of wastewater pollutants in a hybrid unit. To assess its design, the final contents and removal efficiencies of organics, nutrients, and metals were carried out using varying influent compositions. In a 60-day test of a laboratory-scale MBER, experimental results were used to calibrate and validate the model. The modeling results were in agreement with the experimental data and showed that the MBER can remove 99% of total phosphorus (TP), 99.9% of chemical oxygen demand (COD), 91% of total nitrogen (TN), 79% of nickel (Ni), 89% of iron (Fe), and 80% of chromium (Cr), using a current density of 15 A/m2 intermittently supplied in a cycle of 5 min ON and 15 min OFF.

Original languageBritish English
Pages (from-to)1-9
Number of pages9
JournalJournal of Environmental Management
Volume164
DOIs
StatePublished - 1 Dec 2015

Keywords

  • Bioprocess
  • Electrokinetics
  • Membrane
  • Modeling
  • Wastewater

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