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Waste Management and Disposal

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CHAPTER ONE 1.0 BACKGROUND
The “environment” as defined by the federal environmental protection agency decree of 1988 includes water, air, land and all plants and human beings or animals living therein and the interrelationships which exist among these, or any of them e.g. waste. Two kinds of definitions are operative for waste. One is conceptual and the other descriptive (Savasi, 1977) and defines waste by listing the kinds of materials comprising it. In the conceptual sense, wastes are defined as useless, unwanted or discarded materials. However, to a modern environmentalist, waste are just materials which are discarded because, they ‘seem’ to have no further economic use ignoring the irrelevant issue of usefulness, value or desirability of the waste. In the descriptive definition, waste consists of discarded materials resulting from domestic, community activities, industrial, commercial and agricultural operations.
1.1 TYPES OF WASTE Agricultural waste, Biomedical waste, Business waste, Chemical waste, Consumable waste, Domestic waste, Industrial waste, Inorganic waste, Medical waste, Organic waste, Recyclable waste Toxic waste, etc.
Population explosion, uncontrolled urbanization and rapid industrialization have caused high waste generation quantities and rates in a country, (NEST 1991) waste generation increases not only because people multiply and hence the space available to each person becomes smaller, but also because the demand per person are continually increasing, so that each person throws away more waste year by year. If the world’s population were evenly distributed over the earth surface, most of these wastes could probably remain unnoticed and perhaps harmless. But as city population increases, their residues also increases and concentrate around them. The management and disposal of these waste materials poses a…...

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