Grant project deliverable

Value recovery from solid confectionary waste

Grant holder: Prof S Harrison

Institution: UCT

Grant: CSIR/IU/WRIU/2016/006

Duration: 1 April 2016 to 31 March 2019

Status: Complete

Project outline: The objective of this project is to assess the feasibility of using confectionery waste for the production of bio-based products and/or generation of energy and the potential availability of these resources. Including the identification of potential process routes for the different substrates found in these waste.

» Briefing note: Value recovery from solid confectionery waste.
» Technical report: Harrison, S.T.L., Johnstone-Robertson, M., Rademeyer, S., Murhonyi, L., Ngwenya, C., Horn, C., Rumjeet, S. and Smart, M. (2019). Value recovery from solid confectionery waste. Cape Town: University of Cape Town.
» Dissertation: Ngwenya, CZ. (2025). Exploring the feasibility of renewable bioenergy production from carbohydrate-rich waste streams using confectionery waste as substrate. PhD thesis, Department of Chemical Engineering, University of Cape Town, South Africa.
» Dissertation: Raper T. (2023). Value for waste: bioreactor selection for the production of valuable bioproducts and the reduction of nutrient load in minimal media. M.Sc (Eng) dissertation, Department of Chemical Engineering, University of Cape Town, South Africa.
» Publication: Pott, R., Johnstone-Robertson, M., Verster, B., Rumjeet, S., Nkadimeng, L., Raper, T., Rademeyer, S. and Harrison, S.T.L. (2018). Wastewater biorefineries: integrating water treatment and value recovery. Green Energy and Technology 9783319636115, 280
» Presentation: Harrison, S. (2019). Value recovery from solid confectionery waste.
» Dissertation: Rademeyer, S. (2018). Poly(γ-glutamic) acid (PGA) production from confectionery waste using Bacillus species. Master’s Thesis. Cape Town: Cape Peninsula University of Technology.