| Issue Date | Title | Author(s) |
| 2021 | Acylation of Anisole with Benzoyl Chloride over rapidly synthesized fly ash–based HBEA zeolite | Ameh, Alechine E. ; Musyoka, Nicholas M. ; Oyekola, Oluwaseun ; Louis, Benoit ; Petrik, Leslie Felicia |
| 2010 | Application of coal fly ash to circumneutral mine waters for the removal of sulphates as gypsum and ettringite | Madzivire, Godfrey ; Petrik, Leslie Felicia ; Gitari, Wilson M ; Ojumu, Tunde Victor ; Balfour, Gillian |
| 2022 | Column adsorption of Rhodamine 6G over Na-P/SOD zeolite synthesised from aluminosilicate secondary waste | Ameh, Alechine E. ; Oyekola, Oluwaseun Oyekanmi ; Petrik, Leslie Felicia |
| 2014 | Distributional fate of elements during the synthesis of zeolites from South African Coal Fly Ash | Du Plessis, Pieter W ; Ojumu, Tunde Victor ; Fatoba, Ojo O ; Akinyeye, Richard O ; Petrik, Leslie Felicia |
| 2014 | Effect of fly ash size fraction on the potential to neutralise acid mine drainage and rheological properties of sludge | Vadapalli, VR Kumar ; Fester, Veruscha G ; Petrik, Leslie Felicia ; Slatter, Paul |
| 2011 | Fate of sulphate removed during the treatment of circumneutral mine water and acid mine drainage with coal fly ash: Modelling and experimental approach | Madzivire, Godfrey ; Gitari, Wilson M ; Vadapalli, VR Kumar ; Ojumu, Tunde Victor ; Petrik, Leslie Felicia |
| 2020 | Fly ash-based geopolymer building materials for green and sustainable development | Kalombe, Rosicky Methode ; Ojumu, Tunde Victor ; Eze, Chuks Paul ; Nyale, Sammy Mwasaha ; Kevern, John ; Petrik, Leslie Felicia |
| 2021 | Isolation and characterization of nanocrystalline cellulose from cocoa pod husk (CPH) biomass wastes | Akinjokun, Adebola Iyabode ; Petrik, Leslie Felicia ; Ogunfowokan, Aderemi Okunola ; Ajao, John ; Ojumu, Tunde Victor |
| 2024 | Recovery of NixMnyCoz(OH)2 and Li2CO3 from spent Li-ionB cathode leachates using non-Na precipitant-based chemical precipitation for sustainable recycling | Tawonezvi, Tendai ; Zide, Dorcas ; Nomnqa, Myalelo ; Madondo, Mandisa ; Petrik, Leslie Felicia ; Bladergroen, Bernard Jan |
| 2009 | Role of PH on sulphate removal from circumneutral mine water using coal fly ash | Madzivire, Godfrey ; Petrik, Leslie Felicia ; Gitari, Wilson M ; Balfour, Gillian ; Vadapalli, VR Kumar ; Ojumu, Tunde Victor |
| 2024 | Selective electrodeposition of Co-Ni alloys from synthetic quasi LiB NMC 532 cathode sulphate solutions using rotating plate potentiostatic electrowinning | Tawonezvi, Tendai ; Zide, Dorcas ; Nomnqa, Myalelo ; Petrik, Leslie Felicia ; Bladergroen, Bernard Jan |
| 2023 | Synthesis and characterisation of pure phase ZSM-5 and sodalite zeolites from coal fly ash | Ndlovu, Nkululeko Z.N. ; Ameh, Alechine E. ; Petrik, Leslie Felicia ; Ojumu, Tunde Victor |
| 2017 | Synthesis and characterization of faujasite zeolite and geopolymer from South African coal fly ash | Ndlovu, Nkululeko ZN ; Missengue, Roland NM ; Petrik, Leslie Felicia ; Ojumu, Tunde Victor |
| 2022 | Synthesis of stabilized iron nanoparticles from acid mine drainage and rooibos tea for application as a Fenton-like catalyst | Kimpiab, Elyse ; Kapiamba, Kashala Fabrice ; Folifac, Leo ; Oyekola, Oluwaseun Oyekanmi ; Petrik, Leslie Felicia |
| 2016 | Synthesis of zeolite A from coal fly ash using ultrasonic treatment – A replacement for fusion step | Ojumu, Tunde Victor ; Du Plessis, Pieter W ; Petrik, Leslie Felicia |
| 2013 | Synthesis of zeolites Na-P1 from South African coal fly ash: effect of impeller design and agitation | Mainganye, Dakalo ; Ojumu, Tunde Victor ; Petrik, Leslie Felicia |
| 2024 | Template-free conversion of rice husk silica into nano-zeolite X and its application in adsorption of heavy metal ions | Akinjokun, Adebola Iyabode ; Ogunfowokan, Aderemi Okunola ; Ajao, John ; Petrik, Leslie Felicia ; Ojumu, Tunde Victor |
| 2020 | Treatment of acid mine drainage with coal fly ash in a jet loop reactor pilot plant | Kalombe, Rosicky Methode ; Ojumu, Tunde Victor ; Katambwe, Vinny Ndjate ; Nzadi, Michael ; Bent, Denzil ; Nieuwouldt, George ; Madzivire, Godfrey ; Kevern, John ; Petrik, Leslie Felicia |
| 2016 | Upscaling of zeolite snythesis from coal fly ash waste: Current status and future outlook | Brassell, James Philip ; Ojumu, Tunde Victor ; Petrik, Leslie Felicia |
| 2013 | Waste minimization protocols for the process of synthesizing zeolites from South African coal fly ash | Du Plessis, Pieter W ; Ojumu, Tunde Victor ; Petrik, Leslie Felicia |