Section: Overview
Overview
Key publications
Research funding
Supervising & teaching
Career

Key details

Areas of expertise

  • Anaerobic and aerobic membrane bioreactors
  • Biological wastewater treatment and nutrient removal
  • Removal of persistent and micropollutants from water and wastewater
  • Membrane separation in water and wastewater treatment
  • Resource and Energy recovery from liquid waste streams and solid-waste

Available to supervise research students

Not available for media queries

About Dimuth Navaratna

Dr Dimuth Navaratna is a senior lecturer in Civil/Water/Environmental Engineering and Project Management in the College of Engineering & Science and a Research Fellow at Victoria University's Institute for Sustainable Industries and Liveable Cities. Dimuth holds a PhD from Deakin University specialising in Water and Wastewater Engineering.

Before joining VU, Dimuth worked in the water and civil engineering industries in different capacities for over 12 years. He also has more than seven years of teaching experience in Higher Education (including research) in the fields of water/environmental engineering, civil/building design and construction and project management.

During his time in the industry, he has contributed to over 130 local and overseas industry and research projects. Dimuth has published a significant number of book chapters and journal/conference research articles.

Qualifications

  • PhD (Water and Wastewater Treatment), Deakin University, Australia, 2012
  • Master of Science (Construction Project Management), University of Moratuwa, Sri lanka, 2006
  • Bachelor of Engineering (Civil), University of Peradeniya, Sri Lanka, 1996
  • Graduate Certificate of Tertiary Education, Victoria University, Australia, 2013

Key publications

Year Citation
2018 Ravishankar, H., Roddick, F., Navaratna, D., & Jegatheesan, V. (180501). Preparation, characterisation and critical flux determination of graphene oxide blended polysulfone (PSf) membranes in an MBR system. Journal of Environmental Management, 213 (168-179).

doi: 10.1016/j.jenvman.2018.02.063

2018 Nyamutswa, L. T., Zhu, B., Navaratna, D., Collins, S., & Duke, M. C. (180101). Proof of concept for light conducting membrane substrate for UV-activated photocatalysis as an alternative to chemical cleaning. Membranes, 8(4),

doi: 10.3390/membranes8040122

2017 Navaratna, D., Shu, L., & Jegatheesan, V. (170401). Estimating design parameters for sustainable operation of a membrane bioreactor treating s-triazine herbicide. International Biodeterioration and Biodegradation, 119 (4-15).

doi: 10.1016/j.ibiod.2016.11.027

2016 Shu, L., Obagbemi, I. J., Liyanaarachchi, S., Navaratna, D., Parthasarathy, R., Aim, R. B., & Jegatheesan, V. (161101). Why does pH increase with CaCl 2 as draw solution during forward osmosis filtration. Process Safety and Environmental Protection, 104 (465-471).

doi: 10.1016/j.psep.2016.06.007

2016 Jegatheesan, V., Pramanik, B. K., Chen, J., Navaratna, D., Chang, C. Y., & Shu, L. (160301). Treatment of textile wastewater with membrane bioreactor: A critical review. Bioresource Technology, 204 (202-212).

doi: 10.1016/j.biortech.2016.01.006

2016 Navaratna, D., Shu, L., & Jegatheesan, V. (160101). Evaluation of herbicide (persistent pollutant) removal mechanisms through hybrid membrane bioreactors. Bioresource Technology, 200 (795-803).

doi: 10.1016/j.biortech.2015.10.041

2015 Marleni, N., Park, K., Lee, T., Navaratna, D., Shu, L., Jegatheesan, V., Pham, N., & Feliciano, A. (150101). A methodology for simulating hydrogen sulphide generation in sewer network using EPA SWMM. Desalination and Water Treatment, 54(4-5), (1308-1317).

doi: 10.1080/19443994.2014.922899

2014 Park, K., Lee, H., Phelan, S., Liyanaarachchi, S., Marleni, N., Navaratna, D., Jegatheesan, V., & Shu, L. (141101). Mitigation strategies of hydrogen sulphide emission in sewer networks - A review. International Biodeterioration and Biodegradation, 95(PA), (251-261).

doi: 10.1016/j.ibiod.2014.02.013

2014 Jegatheesan, J. V., Shu, L., Kim, D., Bae, J., Zakaria, Z., & Navaratna, D. (140101). Special issue on the challenges in environmental science and engineering, CESE-2013: 29 Oct.-2 Nov., EXCO, Daegu, South Korea. Bioresource Technology, 165(C), (1-2).

doi: 10.1016/j.biortech.2014.05.083

2014 Park, K., Lee, H., Phelan, S., Liyanaarachchi, S., Marleni, N., Navaratna, D., Jegatheesan, V., & Shu, L. (140101). Mitigation strategies of hydrogen sulphide emission in sewer networks - A review. International Biodeterioration Biodegradation,

doi: 10.1016/j.ibiod.2014.02.013

Research funding for the past 5 years

Please note:

  • Funding is ordered by the year the project commenced and may continue over several years.
  • Funding amounts for contact research are not disclosed to maintain commercial confidentiality.
  • The order of investigators is not indicative of the role they played in the research project.

Nutrient Removal & Recovery Trial
From: Central Highlands Water
Investigators: Dr Mikel Duke, Dr Xing Yang
For period: 2017-2018
$58,200

Pasteurisation for production of class A recycled water
From: Australian Water Recycling
Investigators: Prof Stephen Gray, Dr Peter Sanciolo
For period: 2013-2016
$495,977

Supervision of research students at VU

Available to supervise research students

Not available for media queries

Currently supervised research students at VU

No. of students Study level Role
3 PhD Associate supervisor

Currently supervised research students at VU

Students & level Role
PhD (3) Associate supervisor

Key academic roles

Dates Role Department / Organisation
Jul 2016 - Sep 2019
Senior Lecturer
Victoria University
Jul 2012 - Jul 2016
Lectruer
Victoria University
Mar 2010 - Dec 2010
Senior Engineer
Townsville City Council
Jan 1997 - Nov 2008
Manager/Section Head
Puritas Limited a subsidiary of HAYCARB PLC, Sri Lanka
Jan 2006 - Dec 2007
Civil/Structural Engineer
Thusitha Contractors, Sri Lanka
Show more academic roles
Dates Role & Department/Organisation
Jul 2016 -
Sep 2019
Senior Lecturer
Victoria University
Jul 2012 -
Jul 2016
Lectruer
Victoria University
Mar 2010 -
Dec 2010
Senior Engineer
Townsville City Council
Jan 1997 -
Nov 2008
Manager/Section Head
Puritas Limited a subsidiary of HAYCARB PLC, Sri Lanka
Jan 2006 -
Dec 2007
Civil/Structural Engineer
Thusitha Contractors, Sri Lanka
Show more academic roles

Professional memberships

  • Professional member, Australian Water Association
  • Professional member, Engineers Australia
  • Corporate member and a Chartered Engineer, The Institution of Engineers Sri lanka
  • Professional member, Society of Structural Engineers in Sri Lanka