Waste

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Any material which is no longer useful or not required is discarded and can be termed as waste. Waste may come from homes, farms, industries, hospitals and offices.

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Waste was once seen as unwanted and useless material with no intrinsic value. Later, health, environmental, sanitation and protection problems made proper waste management necessary. Waste also change…

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Solid waste includes food leftovers, crop residue, plastic wrappers, ashes and similar discarded materials. It is the waste that remains in solid form after use or processing.

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Domestic waste from homes includes kitchen waste, packaging material and other discarded items. About 90% of domestic waste is directly dumped on land, which increases pollution and health risks.

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Mixing biodegradable kitchen waste with packaging waste makes segregation difficult. It reduces the chances of composting and recycling. Separate collection is better because biodegradable waste can b…

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Industrial waste is the waste released by industrial units during manufacturing processes. It includes building material waste, fly ash, metals and other leftover materials from industries.

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Metallurgical industries, cement industries, paper and pulp industries, textile industries and mining operations are major sources of industrial waste.

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This is industrial waste from the paper and pulp industry. About 50% of the total wood used in paper mills is ejected as waste material, so better use and recycling of paper are important.