OPTIMIZATION OF BIOGAS AND BIOFERTILIZER PRODUCTION FROM MUNICIPAL AND ABATTOIR WASTE IN NIGERIAN CITIES CHAPTER ONE INTRODUCTION 1.1 Background of the Study Nigeria’s rapid urbanization and population growth have significantly increased the generation of municipal solid waste (MSW) and abattoir wastes in major cities such as Lagos, Abuja, Kano, and Port Harcourt. MSW in Nigerian […]