Waste Generation and Management

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Waste is any substance which is discarded after primary use, or it is worthless, defective and of no use. Examples include kitchen leftovers, broken items, and used materials that cannot be used anymo…

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The five major categories of waste are: (1) Domestic waste from homes, (2) Industrial waste from factories and thermal plants, (3) Agricultural waste left after obtaining consumable parts, (4) Municip…

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Main types of domestic waste include: (1) Kitchen waste - vegetable peels, fruit shells, stale food, tea leaves, (2) Plastics - packaging, wrappings, broken plastic items, (3) Glass - broken utensils,…

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Mine tailing is the waste left over from mining operations after extracting metals like copper, silver, gold, zinc, iron, and coal. Mine tailing mixed with other materials can be reused for making til…

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Flyash consists of fine solid particles of non-combustible ash carried out from burning solid fuel. It is produced as gaseous waste from cement industries. Flyash can be used for making various buildi…

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Bagasse is the plant residue (especially of sugar cane) left after extracting the sugarcane juice. It is used as firewood for fuel or in the paper industry for making paper products.

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Sewage is waste water carried through sewers, including household discharge from toilets and kitchens, and discharge from public toilets, hospitals, hotels, restaurants, and offices. Sewage is separat…

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e-waste is electronic waste consisting of discarded appliances using electricity. Examples include: old computers, TVs, refrigerators, radios, cell phones, mobile batteries, fluorescent tubes, electro…