Solid Waste

these are the discarded solid substances generated from human activities and having no more value with respect to its economic, physiological or technological process

Classifications of Solid Waste. (10)

These are the wastes generated during the preparation of food like vegetables, flowers, leaves, fruits, and other wastes from market places

Wastes that come from plants or animals that can be degraded by other living organisms, often used for composting, If processed, this can be a source of heat, electricity and fuel. These include human waste, manure, sewage, slaughterhouse waste.

Waste that cannot be broken down by other living organisms

These are usually organic waste having low moisture content. Examples are paper, wood, dried leaves, etc.

These includes metals, tins, cans, bottles, stones, etc.

Examples are old medicines, paints, chemicals, bulbs, spray cans, fertilizer and pesticide containers, batteries, shoe polish.

These wastes can be recycled or used again for the same or different purpose. These includes paper, glass, metals, plastics, etc.

These wastes consist of unwanted materials that are produced directly or indirectly from the manufacturing, assembly and other construction processes. Examples of these are rubble, roofing, broken concrete, nails, electrical wiring, etc.

These waste are considered harmful and dangerous and can consist of medical waste, industrial waste and hospital waste.

• Examples of these are tree branches, tires etc.

Sources of Solid Wastes (8)

_____________ can be attributed to the collection and treatment of solid wastes. This is imperative because waste that are collected but are not treated can result to some environmental and human problems

5Rs

The first in the hierarchy of 5R’s and is the best way to minimize waste

Reducing the amount of waste is one of the best things that all of us can do

One important thing that an individual can do is to reuse waste materials.

If an item cannot be refused, reduced or reused, the option will be to

In this way, new product is formed.

Essential Components of the Waste Management System: (5)

Thermal Processes of Solid Waste Management Techniques (5)

Biological Processes of Solid Waste Management Techniques. (2)

Other Processes of Solid Waste Management Techniques (2)