Dr. Moustapha Harb



Houston, Texas



B.S. Civil Engineering, University of Houston, 2007

M.S. Environmental Engineering, University of Houston, 2010

Ph.D. Environmental Science and Engineering, King Abdullah University of Science and Technology

(KAUST), 2017


Current Research

Investigating emerging microbial contaminant proliferation in AnMBR systems and their potential

impact on water reuse.


Journal Publications

1)  M. Harb, Y. Xiong, J.S. Guest, G. Amy and P.Y. Hong (2015) Differences in microbial communities

and performance between suspended and attached growth anaerobic membrane bioreactors treating

synthetic municipal wastewater. Environmental Science: Water Research & Technology, Vol. 1, Issue 6, Pages 800-813


2)  M. Harb, C.H. Wei, N. Wang, G. Amy and P.Y. Hong (2016) Organic micropollutants in aerobic and anaerobic membrane bioreactors: Changes in microbial communities and gene expression. Bioresource Technology, Vol. 218, Pages 882-891


3) M. Harb and P.Y. Hong (2017) Molecular-based detection of potentially pathogenic bacteria in membrane bioreactor (MBR) systems treating municipal wastewater: a case study. Environmental Science and Pollution Research, Vol. 24, Issue 6, Pages 5370-5380


4)  M. Harb and P.Y. Hong (2017) Anaerobic membrane bioreactor effluent reuse: a review of microbial safety concerns. Fermentation, Vol. 3, Issue 3, Pages 39-67


5) C.H. Wei, M. Harb, G. Amy, P.Y. Hong and T.O. Leiknes (2014) Sustainable organic loading rate and energy recovery potential of mesophilic anaerobic membrane bioreactor for municipal wastewater treatment. Bioresource Technology, Vol. 166, Pages 326–334


6)  Xiong, Y., M. Harb and P.Y. Hong (2016) Characterization of biofoulants illustrates different membrane fouling mechanisms for aerobic and anaerobic membrane bioreactors. Separation and Purification Technology, Vol. 157, Pages 192-202


7)  M.I. Ansari, M. Harb, B. Jones and P.Y. Hong (2015) Molecular-based approaches to characterize coastal microbial community and their potential relation to the trophic state of Red Sea. Scientific Reports, Vol. 5, Art. No. 9001


8)  Y. Xiong, M. Harb and P.Y. Hong (2017) Performance and microbial community variations of anaerobic digesters under increasing tetracycline concentrations. Applied Microbiology and Biotechnology, DOI: 10.1007/s00253-017-8253-1


9)  N. Al-Jassim, M.I. Ansari, M. Harb, P.Y. Hong (2015) Removal of bacterial contaminants and antibiotic resistance genes by conventional wastewater treatment processes in Saudi Arabia: Is the treated wastewater safe to reuse for agricultural irrigation? Water Research, Vol. 73, Pages 277–290


10)  G. Scarascia, H. Cheng, M. Harb and P.Y. Hong (2017) Application of hierarchical oligonucleotide primer extension (HOPE) to assess relative abundances of ammonia- and nitrite-oxidizing bacteria. BMC Microbiology, DOI: 10.1186/s12866-017-0998-2


Fun Facts 

Dr. Harb enjoys sailing and traveling. 


920 Downey Way. BHE 221

Astani Department of Civil and Environmental Engineering

University of Southern California