Ogbaji Henderson O., Akpan Nsima A., Ijioma Chinonye C., Okpoji Awajiiroijana U., Eze Victor C., U., Obi Justina N., Martins Ndidi P. & Etesin Monday U.·Asian Journal of Geographical Research·2025
This study examined the seasonal variation in hydrocarbon contamination of sediments and biota within the Bonny Estuary, Rivers State, Nigeria. Samples of sediment, surface water, and fish were collected during the dry and wet seasons and analysed for total petroleum hydrocarbons...
Open access
Research Article10.9734/ajgr/2025/v8i4341
Omuluche Collins O., Ogbaji Henderson O., Usiabulu Godsday I., Cookey Cookey I., Oji Chihurumnanya O., Okpoji Awajiiroijana U., Isaac Ukeme O., Edodi Iyam O. & Garuba Muhammed H.·Journal of Energy Research and Reviews·2026
Background: Biodiesel production from waste and locally available plant oils may support renewable fuel development while valorising lipid resources. Aim: This study comparatively evaluated biodiesel yield, fuel properties and oxidative stability of biodiesel produced from waste...
Open access
Research Article10.9734/jenrr/2026/v18i9534
Umueni Uchenna E., Ogbaji Henderson O., Okpoji Awajiiroijana U., Osuagwu Eze L., Akpan Nsima A., Ekpe John E., Okabekwe Veraline C., Anumaka Collins C., Obiefuna Grace C. & Warder Amaminor B.·Asian Journal of Geological Research·2026
Rivers in the Niger Delta deliver vital ecological and economic benefits but face increasing pressures from human activities that disrupt hydrology and harm sediment quality. This research assessed the hydrological features, sediment condition, and ecological risks of the Orashi...
Open access
Research Article10.9734/ajoger/2026/v9i1230
Okpoji, Awajiiroijana U, Ogbaji Henderson O., Hassan Dasuki H., Orji-Azuka Loveth N., Rasheed Habib O., Ohaturuonye Sampson O., Ejeka Joshua C., Okpanachi Clifford B. & Ekwere Ifiok O.·Asian Journal of Physical and Chemical Sciences·2025
Gas flaring continues to be a persistent source of environmental pollution in the Niger Delta, releasing volatile organic compounds (VOCs) that contribute to atmospheric degradation and aquatic contamination. This study assessed the physico-chemical transport of VOCs from gas fla...
Open access
Research Article10.9734/ajopacs/2025/v13i4271