Dr Vahid Razaviarani

PhD in Environmental Engineering

Assistant Professor
School of Engineering & Physical Sciences
Vahid Razaviarani


Dr Vahid Razaviarani is an Assistant Professor for the Chemical Engineering Department at Heriot-Watt University who teaches undergrad courses (BSc) in Chemical Engineering program and postgrad courses (MSc) in Global Sustainability Engineering program. He is the coordinator of the Chemical Engineering Laboratory and the EPS representative at the Sustainable & Social Impact Committee (SSIMCO).

Dr Razaviarani has served about two years as a postdoctoral research associate in the Department of Civil & Environmental Engineering at Princeton University. Prior to joining Princeton University, he has worked as a research associate at the Edmonton Waste Management Center of Excellence, Alberta, Canada.


Academic Leadership and Affiliations:

  • Canadian professional engineering (PEng), practises as a professional engineer.
  • Project Management Professional (PMP), and the PMI member.
  • Fellowship of the higher education academy (FHEA).


  • Postdoctoral Research Associate
    Princeton University (2016)
  • PhD, Environmental Engineering – Bioenergy
    University of Alberta, Canada (2014)
  • MSc, Chemical Engineering – Biotechnology
    Tehran Research & Sciences University (2004)
  • BSc, Chemical Engineering – Process Design
    Tehran Research & Sciences University (2002)

His areas of interest include:

  • Sustainability and Waste-to-Energy processes 
  • Algae-based cultivation, CO2 capture and phycoremediation 
  • Carbon sequestration and reclamation of organic waste 
  • Desalination, microbial desalination cell and membrane technologies 
  • Chemical, physical and microbial contaminant fate and transformation of organic compounds 
  • Water/wastewater reused and reclamation 
  • Microbial Electrochemical Systems and Technologies 


V *Razaviarani, A Saudagar, S Gallage, S Shrinath, G Arab (2024) ‘’Comprehensive investigation on microplastics from source to sink’’, Clean Technologies and Environmental Policy, 1-28.

V Razaviarani, G Arab, N Lerdwanawattana, Y Gadia (2023) ‘’Algal biomass dual roles in phycoremediation of wastewater and production of bioenergy and value-added products’’, International Journal of Environmental Science and Technology 20 (7), 8199-8216.

G. Arab, *V. Razaviarani, D. McCartney (2022) “Effects of digestate co-composting on curing phase of composting”, Bioresource Technology Reports 19, 101121.

Shivakumar T., *Razaviarani V. (2021) “An integrated approach to enhance the desalination process: coupling reverse osmosis process with microbial desalination cells in the UAE”. IWA, Water Supply, 21 (3), 1127-1143.

Amin K. Zeraatkar, Hossein Ahmadzadeh, *Vahid Razaviarani, Ahmad F. Talebi (2021)” Optimization of Pb (II) biosorption by Harvested Microalgae (Chlorella vulgaris) using response Surface Analysis”. MC Agriculture & Environmental Sciences, 1, 32-43.

Fatolahi Z., Arab G., *Razaviarani V. (2020) “Calibration of the Anaerobic Digestion Model No. 1 (ADM1) for anaerobic digestion of OFMSW under mesophilic condition”. Biomass and Bioenergy, 139, 105661.

*Razaviarani V., J. A Zazo, Jose A Casas, P. R Jaffé (2019) “Coupled fenton-denitrification process for the removal of organic matter and total nitrogen from coke plant wastewater”. Chemosphere, 224, 653-657.