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  • Freeman Ntuli

Waste to energy bio-digester selection and design model for the organic fraction of municipal solid waste

Njuguna Matheri, A., Mbohwa, C., Ntuli, F., Belaid, M., Seodigeng, T., Catherine Ngila, J. & Kinuthia Njenga, C., 2018, In : Renewable and Sustainable Energy Reviews. 82, p. 1113-1121 9 p.

Research output: Contribution to journalArticle

Open Access
10 Citations (Scopus)

Utilization of organic fraction of municipal solid waste (OFMSW) as compost: A case study Of Florida, South Africa

Ayeleru, O. O., Ntuli, F. & Mbohwa, C., 2016, p. 580-585. 6 p.

Research output: Contribution to conferencePaper

Torrefaction of landfill food waste for possible application in biomass co-firing

Pahla, G., Ntuli, F. & Muzenda, E., Jan 1 2018, In : Waste Management. 71, p. 512-520 9 p.

Research output: Contribution to journalArticle

Open Access
27 Citations (Scopus)

Thermal decomposition of sewage sludge under N2, CO2 and air: Gas characterization and kinetic analysis

Hernández, A. B., Okonta, F. & Freeman, N., 2017, In : Journal of Environmental Management. 196, p. 560-568 9 p.

Research output: Contribution to journalArticle

Open Access
17 Citations (Scopus)

The Removal of Cu (II) from Aqueous Solution using Sodium Borohydride as a Reducing Agent

Sithole, N. T., Ntuli, F. & Mashifana, T., 2018.

Research output: Contribution to conferencePaper

Open Access

The geotechnical and microstructural properties of desilicated fly ash lime stabilised expansive soil

Falayi, T., Okonta, F. N. & Ntuli, F., 2016, In : Materials and Structures/Materiaux et Constructions. 49, 11, p. 4881-4891 11 p.

Research output: Contribution to journalArticle

Open Access
4 Citations (Scopus)

Stabilisation and solidification of steel industry sludge

Falayi, T. & Ntuli, F., 2018, p. 1-4. 4 p.

Research output: Contribution to conferencePaper

Open Access

Sewage sludge charcoal production by N2- and CO2-torrefaction

Hernández, A. B., Okonta, F. & Freeman, N., 2017, In : Journal of Environmental Chemical Engineering. 5, 5, p. 4406-4414 9 p.

Research output: Contribution to journalArticle

Open Access
8 Citations (Scopus)

Selection and dimensioning model of the anaerobic digester for the sewage sludge digestion to energy

Matheri, A. N., Ntuli, F., Belaid, M., Seodigeng, T., Ngila, J. C. & Mbohwa, C., 2017, IAENG Transactions on Engineering Sciences: Special Issue for the International Association of Engineers Conferences 2016. Vol. 2.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Recovery of Thourium from Phosphogypsum by Acid Leaching

Mashifana, T., Falayi, T., Ntuli, F. & Sebothoma, J., 2018.

Research output: Contribution to conferencePaper

Quantitative characterization of carbonaceous and lignocellulosic biomass for anaerobic digestion

Matheri, A. N., Ntuli, F., Ngila, J. C., Seodigeng, T., Zvinowanda, C. & Njenga, C. K., 2018, In : Renewable and Sustainable Energy Reviews. 92, p. 9-16 8 p.

Research output: Contribution to journalArticle

Open Access
10 Citations (Scopus)

Potassium Aluminate Geopolymerisation of Acidic Gold Mine Tailings

Okonta, F. N., Falayi, T. & Ntuli, F., 2018, GeoChina 2018: New Prospects in Geotechnical Engineering Aspects of Civil Infrastructures: Sustainable Civil Infrastructures. Khabbaz, H., Youn, H. & Bouassida, M. (eds.). Springer International Publishing, p. 270-275 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Physical, Chemical and Mineralogical Characterization of Fluorspar Flotation Tailings: Materials Today: Proceedings

Portia Lubisi, T., Nheta, W. & Ntuli, F., 2018, p. 302-310. 9 p.

Research output: Contribution to conferencePaper

Open Access
1 Citation (Scopus)

Optimization of Reverse Cationic Flotation of Low-Grade Iron Oxide from Fluorspar Tails Using Taguchi Method

Lubisi, T. P., Nheta, W. & Ntuli, F., 2018, In : Arabian Journal for Science and Engineering. 43, 5, p. 2403-2412 10 p.

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

Of fruits and vegetables wastes in the City of Johannesburg

Ayeleru, O. O., Ntuli, F. & Mbohwa, C., 2016, p. 659-663. 5 p.

Research output: Contribution to conferencePaper

Municipal solid waste composition determination in the City of Johannesburg

Ayeleru, O. O., Ntuli, F. & Mbohwa, C., 2016, p. 625-629. 5 p.

Research output: Contribution to conferencePaper

6 Citations (Scopus)

Kinetic mechanism of desilicated fly ash lime consumption

Falayi, T., Okonta, F. N. & Ntuli, F., 2018, In : Medziagotyra. 24, 2, p. 192-196 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Influence of open porosity, hydration products and extent of hydration on the strength of desilicated lime fly ash composites

Falayi, T., Okonta, F. N. & Ntuli, F., 2017, In : Medziagotyra. 23, 2, p. 150-155 6 p.

Research output: Contribution to journalArticle

Open Access

Extraction and precipitation of phosphorus from sewage sludge

Shiba, N. C. & Ntuli, F., 2017, In : Waste Management. 60, p. 191-200 10 p.

Research output: Contribution to journalArticle

Open Access
35 Citations (Scopus)

Energy densification of animal waste lignocellulose biomass and raw biomass

Pahla, G., Mamvura, T. A., Ntuli, F. & Muzenda, E., Dec 1 2017, In : South African Journal of Chemical Engineering. 24, p. 168-175 8 p.

Research output: Contribution to journalArticle

Open Access
14 Citations (Scopus)

Effect of calcium lignosulphonate on the particulate processes during hydrogen reduction of nickel ammine sulphate solutions

Iloy, R. A. & Ntuli, F., 2016, In : Hydrometallurgy. 164, p. 321-329 9 p.

Research output: Contribution to journalArticle

Open Access
Open Access
3 Citations (Scopus)

Adsorption of zinc and Iron from acidic industrial effluent using basic oxygen furnace slag

Falayi, T. & Ntuli, F., 2018, p. 1-5. 5 p.

Research output: Contribution to conferencePaper

Open Access