Sources Of Waste Essay

1. Define Waste, Refuse, Sullage.

Wastes include materials or substances that are to be disposed and no longer serve any purpose in terms of production or consumption. There are mainly two types of waste, namely Liquid wastes and Solid wastes. Liquid wastes include industrial effluents and the water used for domestic purposes like washing, bathing and so on.

Solid wastes include cans, papers, perished food items and so on.

Wastes are generated at every stage of production, starting from raw materials to the final stage of products. They can also be categorized as hazardous, organic and recyclable wastes.

Refuse is basically municipal solid waste, and it includes leaves, straw, vegetable and animal matter, rocks, demolition waste, industrial

It is also known as gray water, and examples include water used for washing, bathing, and sewage water, and waste water from industries (usually, black water containing effluents and sewage), used for various applications like thermoregulation.

2. Identify the various types and source of waste.

Broadly, wastes are classified into solid and liquid wastes.

Solid wastes include plastics, paper, cans, stale food items, pieces of furniture and so on.

On the other hand, liquid wastes consist of sewage water, water used for various domestic purposes like washing, cleaning, and also for many industrial applications.

Wastes can also be categorized in the following ways:

• Hazardous wastes: These include inflammatory, reactive, toxic and corrosive waste. Examples include fire extinguishers, pesticides, etc.

• Organic waste: These wastes are biodegradable, and include vegetable matter, fruit peels, etc.

• Recyclable waste: These waste products can be reused to give rise to new, useful products. Examples include recycled cups, recycled paper and so on. Sources of waste include the following: o Municipal sources of waste, like plastic bottles, broken appliances and so on. o Medical sources, like surgical