Vol. 11 No. 1 (2025)

CONTENTS

A Review of Solar-Powered Irrigation Systems (SPIS) - 5 -

Nyaanga, S.M.; Oeba D and Nyaanga, J.G

Optimizing Use of Hydrogen Peroxide and Ultraviolet Irradiation to Improve Wastewater Quality from Wet Coffee Processing - 16 -

Jemutai, B.; Murunga, S and Mbuge, D. O

Evaluating Waste Management Practices in the Context of Climate Change Adaption and Mitigation in Africa  33

Adan, A. A

Analysis of Engineering Solutions in Grain Storage. 49

Gumbe, L.O

Investigation of Performance of Bioethanol Cooking Fuel at Different Ethanol Concentration Levels . 64

 Wangai, L. K.; Muguthu, J. N.; Njagi, E. N and Momanyi, G.M