Dr. (Eng). N. Arosha Hemali

Lecturer (On Contract)
Specialization: Energy and Environmental Technology

Contact

Academic Building (B3)-Room 110
Department of Civil and Environmental Technology
Faculty of Technology
University of Sri Jayewardenepura
Mahenwatte, Pitipana North
Homagama 10200
Sri Lanka

Email: aroshahemali@sjp.ac.lk

Education

2008-2023
Ph.D., University of Moratuwa, Sri Lanka

2003-2007
B.Sc. (Eng), University of Moratuwa, Sri Lanka

Personal Profile

A self-motivated professional driven by strength, performance, and passion, specializing in Circular Economy, Sustainable Development, Industrial Engineering, and Environmental Management. Dedicated to integrating innovative approaches into process engineering to foster sustainable practices and address global environmental challenges through teaching, research, and practical applications.
 
Research Keywords: Circular Economy, Material Symbiosis, Waste management, Energy efficiency & conservation, Sustainable Resource Consumption and Production

Positions Held

  • Since 2024, OctoberVisiting Lecturer, Environmental Remediation at Department of Physical Science, South Eastern University, Sri Lanka
  • Since 2024, SeptemberVisiting Lecturer, Industrial Safety, Department of Chemistry, Faculty of Science, University Kelaniya, Sri Lanka
  • Since 2024, JulyLecturer – On Contract, Department of Civil and Environmental Technology, University of Sri Jayewardenepura, Sri Lanka
  • Since 2024, May Visiting Lecturer, Cleaner Production and Waste Management, Faculty of Applied Science, University of Sri Jayewardenepura, Sri Lanka
  • Since 2023, MayVisiting Lecturer, Industrial Safety, Department of Zoology and Environmental Management, Faculty of Science University Kelaniya, Sri Lanka

Awards, Distinctions, and Memberships

  • Since 2020Chartered Environmentalist
  • Since 2017Council member of Institute of Environmental Professionals Sri Lanka
  • Since 2017Associate Member, Institute of Engineers, Sri Lanka (IESL)
  • Since 2014Technical member of Institute of Interior Designers Sri Lanka

Research Interests

Circular Economy, Material Symbiosis, Waste management, Energy efficiency & conservation, Sustainable Resource Consumption and Production

Publications

Journal Articles

N. Arosha Hemali, A.A.P. De Alwis, M. Wijesundara, L.G.L.M. Edirisinghe, A method for determining the recycling value of unprocessed municipal solid waste in one cubic meter waste composition analysis technique, MethodsX, Volume 12,2024,102626, ISSN 2215- 0161,https://doi.org/10.1016/j.mex.2024.102626. (Q2 Journal)

Hemali N.A & Alwis A. A. P. De, Waste Generation and Recovery in a Developing Country: A Case Study of Western Province, Sri Lanka, Nature Environment and Pollution Technology, Vol 21, No 03, 2022. https://doi.org/10.46488/NEPT.2022.v21i03.000 (Q3 Journal)

Hemali N.A & Alwis A. A. P. De, Application of Material Flow Analysis to Municipal Solid Waste in Urban Areas in Developing Countries and Possible Solutions Under Circular Economic Framework, Nature Environment and Pollution Technology, Vol 23, No 03, 2024. https://doi.org/10.46488/NEPT.2024.v23i03.000 (Q3 Journal)

Edirisinghe L.G.L.M., A.P. P De Alwis, M. Wijesundara, S. Prakash, N.A. Hemali, A volume-based analysis method to determine the economic value of mixed industrial waste, Journal of Cleaner Environmental Systems, Vol 11,2023 https://doi.org/10.1016/j.cesys.2023.100142 (Q1 Journal)

L.G.L.M. Edirisinghe, A.A.P. de Alwis, M. Wijesundara, N.A. Hemali, Quantifying circularity factor of waste: Assessing the circular economy potential of industrial zones, Cleaner Environmental Systems,Volume 12,2024,100160,ISSN 2666-7894, https://doi.org/10.1016/j.cesys.2023.100160 (Q1 Journal)

Conference Papers

Hemali N.A., A.P.P De Alwis,  Application of Material Flow Analysis to plastic waste in municipal solid waste in Sri Lanka; special focus on urban environment in a developing country., Online Event, Alexandroupolis, Greece, 14-16 July, 2021
 
Hemali N.A., A.P. P De Alwis, M. Wijesundara, Application of Material Flow Analysis to municipal solid  waste in Sri Lanka special focus on urban environment. – 2nd World Conference on Waste Management 2021,  04th and 05th March 2021
 
Sri Lanka Waste to Resource conversion model to Sri Lanka and analysis of unidentified socio-economic leakages- 24th International Forestry and Environmental Symposium 2019                                                                                                                                                                                                                                               
Techno- economic assessment of plastic waste management in developing countries, a case study for Sri Lanka,  Conference:  International Conference on Environmental Governance 2021, Jan 2021
 
Model Municipal solid waste management project. 2nd Sri Lanka Roundtable on Consumption and Production (SLRSCP) forum, Colombo, Sri Lanka 2015 
 
Energy Creation through sustainable waste solution- Geocycle Sri Lanka. Energy Symposium, Ministry of Power and Energy Sri Lanka, 2015.

Patents

Patent application number LK/P/1/23388
A system and method for determining the recycling value of unprocessed municipal solid waste (MSW) using a one cubic meter waste composition analysis technique

Teaching

ETE 2172 Plant design and process control

ETC 3241 Occupational Health and Safety

ETE 3211 Boiler installation, Operations and Maintenance Technology

ETE 4351 Environmental Remediation Technology

ETE 4391 Industrial Ecology and Circular Economy

ETE 4401 Hazard identification and Risk Assessment

ETP 4331 Recycling and Waste Management