2026 - Volume 22 [Issue 4]


Original Research Article

Grain-Size Analysis of Sandy Sediments from the Substratum of Banco Bay, Abidjan, Lower Côte d’Ivoire

Diby Ferdinand Yao, Ismaël Ben Ouattara, Akoua Clarisse Kra

DOI: 10.56557/jogee/2026/v22i411122

Page: 1-16

Integrated Hydrological and Hydraulic Approach for the Design of the Sorey Bridge under a Context of Climate Variability (Niamey Region, Niger)

Harouna Souley, Sanda Chékaraou Mahamane Moustapha, Maman Hassan Abdourazakou, Elhadj Daou Ibrahim, Badamassi Kadri Maman Mansour, Laouali Idi Karimou, Lawali Idi Chamsi

DOI: 10.56557/jogee/2026/v22i411123

Page: 17-31

Integrated Physicochemical, Hydrochemical, Trace-element and Microbiological Assessment of Groundwater across Contrasting Geological Settings

Madu Onyeka Emmanuel, Modestus Ohaegbulem, Okpoji Awajiiroijana Uriah, Okoro Mary Ugomma, Okata-Nwachukwu Maria Okwudili, Joseph Jerry, Inyang Godwin Edet

DOI: 10.56557/jogee/2026/v22i411182

Page: 40-53


Review Article

Used Lead-Acid Batteries from Nigeria's Off-Grid Solar Sector: Environmental Health Risks, Regulatory Gaps and Circular-Economy Responses

George-Oloja Nkechinyere, Muoka Precious Dubem, Gerald Chekwube Ezeamii

DOI: 10.56557/jogee/2026/v22i411183

Page: 54-63

Chemical Engineering Strategies for Wastewater Treatment in Agro-industries

S. Lakshmi, V. Yuvasree, R. Lavanya

DOI: 10.56557/jogee/2026/v22i411207

Page: 70-82


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