Ezekiel Kholoma

Ezekiel Kholoma
KTH Royal Institute of Technology | KTH · Department of Land and Water Resources Engineering (LWR)

Doctor of Philosophy


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Additional affiliations
June 2018 - present
Botswana International University of Science and Technology (BIUST)
  • Lecturer
  • Lecturer and coordinator of the following modules - Introduction to Engineering - Fluid Mechanics for Civil Engineers - Hydrology and Water Resources Engineering - Profession Practices and Ethics - Civil Engineering Design Project - Civil Engineering Investigational Project - Department Coordinator of Postgraduate studies - Supevision of Master of Engineering students
May 2012 - September 2017
KTH Royal Institute of Technology
Field of study
  • Land and Water Resources Engineering


Publications (4)
Full-text available
Contamination of water sources by inappropriately disposed poorly treated wastewater from countryside establishments is a worldwide challenge. This study tested the effectiveness of retrofitting sand (Sa)- and gas–concrete (GC)-packed reactors with biochar (C) in removing turbidity, dissolved organic carbon (DOC), phosphate (PO43−), and total phosp...
Full-text available
Sand and gravel are widely applied for filtering pre- or primary-treated wastewater in small-scale wastewater treatment (SWT) systems. However, ecological materials continue to attract increasing interest in use as retrofits for achieving better performance in removing dissolved contaminants and recovering nutrients from wastewater. In this study,...
A model was developed to predict the performance of the concentration of phosphorus of a constructed filter bed filled with biochar and gas-concrete. The model was applied to a 1 year field-scale experiment. Results from the practical experiment and the simulation were compared, resulting in a good agreement between them. The model showed that most...
Rural communities are obliged to comply with statutory wastewater discharge regulations today. However, their efforts to comply are constrained by low availability and high costs of available alternative technologies to use. Biochar has been shown to be effective in immobilisation nutrients in percolating agricultural field run-off. In this study,...


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