| Issue Date | Title | Author(s) |
| 2026-04 | Biomass-derived activated carbon from empty fruit bunches for supercapacitor electrodes: Crystallinity and electrochemical analysis | Egbe, Terence Awoh; Mecha, Achisa C.; Kiplagat, Joseph; Kimutai, Stephen K. |
| 2025-10 | Dual application of TiO2- ZnO solar photocatalytic membranes in the degradation of oxy-tetracycline and inactivation of Staphylococcus aureus and Escherichia coli | Suliman, Zeinab A; Mecha, Achisa C.; Mwasiagi, Josphat I |
| 2023 | Effect of TiO2/Fe2O3 nanopowder synthesis method on visible light photocatalytic degradation of reactive blue dye | Suliman, Zeinab A.; Mecha, Achisa C.; Mwasiagi, Josphat I. |
| 2025-03 | Enhanced solar photodegradation of reactive blue dye using synthesized codoped ZnO and TiO2 | Suliman, Zeinab A.; Mecha, Achisa C.; Mwasiagi, Josphat Igadwa |
| 2017 | Evaluation of synergy and bacterial regrowth in photocatalytic ozonation disinfection of municipal wastewater | Mecha, Achisa C.; Onyango, Maurice S.; Ochieng, Aoyi; Momba, Maggy N.B. |
| 2024-08 | Fouling reduction and flux enhancement of visible light driven nitrogen doped titanium dioxide-polyvinyl difluoride photocatalytic membrane: modelling and optimization of multiple variables | Kipchumba, Nelson; Mecha, Achisa C.; Kumar, Anil |
| 2016 | Impact of ozonation in removing organic micro-pollutants in primary and secondary municipal wastewater: effect of process parameters | Mecha, Achisa C.; Onyango, Maurice S.; Ochieng, Aoyi; Momba, Maggy N.B. |
| 2016 | Long-term disinfection performance of silver nanoparticles impregnated membranes | Mecha, Achisa C.; Otieno, Fredrick A.O.; Pillay, Visvanathan L. |
| 2019 | Modelling inactivation kinetics of waterborne pathogens in municipal wastewater using ozone | Mecha, Achisa C.; Onyango, Maurice S.; Ochieng, Aoyi; Momba, Maggy N. B. |
| 2024 | Natural and low-cost sorbents as part of the solution for biogas upgrading: A review | Mrosso, Register Wilbald; Mecha, Achisa C.; Kiplagat, Joseph |
| 2021 | Potential of wood ash in purification of biogas | Mulu, Elshaday; M'arimi, Milton; Ramkat, Rose C.; Mecha, Achisa C. |
| 2020 | Recent trends in applications of advanced oxidation processes (AOPs) in bioenergy production | M'Arimi, M. M.; Mecha, Achisa C.; Kiprop, Ambrose K.; Ramkat, R. |
| 2025 | Recent trends in the application of photocatalytic membranes in removal of emerging organic contaminants in wastewater | Nelson, Kipchumba; Mecha, Achisa C.; Samuel, Humphrey Mutuma; Suliman, Zeinab A. |
| 2016 | Synergistic effect of UV–vis and solar photocatalytic ozonation on the degradation of phenol in municipal wastewater: A comparative study | Mecha, Achisa C.; Onyango, Maurice S.; Ochieng, Aoyi; Fourie, Christoffel J.S.; Mombab, Maggy N.B. |
| 2016 | UV and solar light photocatalytic removal of organic contaminants in municipal wastewater | Mecha, Achisa C.; Onyango, Maurice S.; Ochieng, Aoyi; Jamil, Tarek S.; Fourie, Christoffel J.S.; Momba, Maggy N. B. |
