Staff Profile

We follow set of rules and regulations in our administrative, operational and academic functions

Dr. Ngu Lock Hei

Senior Lecturer (Associate Dean, Curriculum Enhancement and Accreditation)
BEng (Hons), MEng, PhD (UNIMAS)

Faculty of Engineering, Computing and Science

Office No:+60 82 260 660
Fax No:+60 82 260 813
Room No: E206, Building E, FECS
Email: lngu@swinburne.edu.my
     Google Scholar   Scopus   ORCID


Ngu Lock Hei received her BEng(Hons) in Chemical Engineering from Universiti Sains Malaysia in 2001 and her MEng and Ph.D. in Environmental Engineering from Universiti Malaysia Sarawak respectively in 2004 and 2008. Dr. Ngu joined the School of Engineering, Swinburne University of Technology (Sarawak Campus) (SUTS) as a Lecturer in 2008.

Her research interests include wastewater treatment, environmental modelling, environmental management and biogeotechnology. She has also 5 years of consultancy experience in conducting Environmental Impact Assessment studies for various projects.

Research Interests

Potential research higher degree candidates are welcome to enquire about research opportunities in the area of Environmental Engineering.
  • Wastewater Treatment
  • Environmental Management
  • Biogeotechnology

Professional Memberships

  • Graduate Member, Board of Engineers Malaysia.
  • Graduate Member, Institution of Engineers, Malaysia.
  • Academic Member, Malaysia Green Building Confederation.
  • Facilitator, Green Building Index.
  • Consultant, Natural Resources and Environment Board, Sarawak (NREB).
  • Assistant Consultant, Department of Environment (DOE).

Current RHD Supervision

Name Degree Area of Research Start year Role
Andrea Wee PhD Wastewater Treatment 2012 Co-supervisor
Nurnajwani Senian MEng Biogeotechnology 2013 Co-supervisor
Phua Ye Li MEng Biogeotechnology 2014 Co-supervisor
Lai Jia Yen MEng Sustainable Processes 2014 Co-supervisor

  • Publications


  • Journal paper Armstrong Ighodalo Omoregie, Nurnajwani Senian, Phua Ye Li, Ngu Lock Hei, Dominic Ong Ek Leong, Irine Runnie Henry Ginjom & Peter Morin Nissom, ‘Screening for Urease-Producing Bacteria from Limestone Caves of Sarawak’, Borneo Journal of Resource Science and Technology (2016) 6(1): 37-45
  • Journal paper Armstrong Ighodalo Omoregie, Nurnajwani Senian, Phua Ye Li, Ngu Lock Hei, Dominic Ong Ek Leong, Irine Runnie Henry Ginjom and Peter Morin Nissom (2016) ‘Ureolytic bacteria isolated from Sarawak limestone caves show high urease enzyme activity comparable to that of Sporosarcina pasteurii (DSM 33)’, Malaysian Journal of Microbiology 12(6): 463-470.
  • Journal paper Ngu, L.H., Law, P.L., Wong, K.K. (2014) Effects of Co-current and Cross Flows on Circular Enhanced Gravity Plate Separator Efficiencies, Environ. Eng. Res., 19(2), 151-155, June.
  • Journal paper Ngu, L.H., Wong, K.K., Law, P.L., (2012) Optimization of Circular Plate Separator with Cross Flow for Removal of Oil Droplets and Solid Particles, Water Environment Research, 84(4), April 2012, pp. 299-304(6).
  • Journal paper Ngu, L.H., Law, P.L., Wong, K.K. and Yusof, A.A.R. (2010). Oil droplets and solid particles removal using circular separator with inclined coalescence mediums: comparison between co-current and counter current flow, Wat. Sci. Tech., 65(5), 1129-1135.
  • Conference paper Lai, JY, Twaiq, F, Ngu, LH (2016) ‘Recycling of Surfactant Template in Mesoporous MCM-41 Synthesis’, Proceedings of the 29th Symposium of Malaysian Chemical Engineers (SOMChE) Dec 1-3 2016, Miri, Malaysia.
  • Conference paper Phua, YL, Omoregie, AI, Ong, DEL, Ngu, LH, Nissom, PM, Ginjom, IR (2016) “Ground improvement via Microbial-Induced Calcite Precipitation using Push-Pull Injection System”, 19th Southeast Asian Geotechnical Conference & 2nd AGSSEA Conference (19SEAGC & 2AGSSEA), 31 May – 3 June 2016, pp. 495-498.
  • Conference paper Omoregie, AI, Senian, N, Phua, YL, Ngu, LH, Ong, EEL, Ginjom, IRH, Nissom, PM (2015) ‘Screening Sarawak Caves for Urease Producing Bacterial Strains and Evaluating their Efficiency in Calcium Carbonate Precipitation’, The 12th Asian Congress on Biotechnology (ACB2015), November 15-19, 2015, Kuala Lumpur, Malaysia
  • Conference paper Omoregie, AI, Ngu, LH, Ong, EEL, Ginjom, IRH, Nissom, PM (2015) ‘Screening for Urease Producing Bacteria from Limestone Caves and evaluation of their urease activity’, International Congress of the Malaysian Society for Microbiology 2015, 7-10 December 2015, Penang, Malaysia.
  • Conference paper Ngu, LH, Montegrai, MT (2014) ‘A Review of Engineered Wetland to Treat Sewage Treatment Plant Sludge’ 2th Int. Conf. on Contaminated Land Eco. Assess. and Remediation, 6-8 Oct, Chuncheon, South Korea.
  • Conference paper Senian, N, Armstrong, IO, Nissom, PM, Ngu, LH, Ong, DEL (2014) “Identification of Locally Found Bacteria for Potential Use in Ground Improvement Works by Microbially Induced Calcite Precipitation (MICP) Technique’ 2014 Society for Design and Process Science, 16-18 June, Kuching, Malaysia.
  • Conference paper Ngu, L.H., Law, P.L. and Wong K.K. (2012) “Oil-water-solid Separation Efficiencies of Circular Separator with Inclined Coalescence Plates: Comparison between Co-current and Cross Flow”, Water Convention 2012, 1-5 July 2012, Singapore.
  • Conference paper Ngu, L.H., Wong K.K. and Law, P.L. (2011) “Circular Plate Separator for Removal of Oil Droplets and Solids Particle”, ASEAN Australian Engineering Congress 2011, 25-27th July 2011, Sarawak, Malaysia.