Classification Of Solid Waste

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2.1 TYPES OF SOLID WASTE
Solid waste can be classified into different types depending on their source: Household waste is generally classified as municipal waste, Industrial waste as hazardous waste, and Biomedical waste or hospital waste as infectious waste.
2.1.1 Municipal waste
The term municipal solid waste (MSW) is generally used to describe most of the non-hazardous solid waste from a city, town or village that requires routine collection and transport to a processing or disposal site, Sources of Municipal waste include private homes, commercial establishments and institutions, as well as industrial facilities.
In 1947 cities and towns in India generated an estimated 6 million tonnes of solid waste, in 1997 it was about 48 million tonnes. More than 25% of the municipal …show more content…

Its application to the organic fraction of solid waste is more recent and less extensive. It leads to bio-gas/power generation in addition to production of compost (residual sludge). This method provides a value addition to the aerobic (composting) process and also offers certain other clear benefits over composting in terms of energy.
This method is suitable for household wastes which may be too wet and lacking in structure for aerobic composting. It is a net energy-producing process (100–150 kWh per tonne of waste input). A whole enclosed system enables all the gas produced to be collected for use. A modular construction of plant and closed treatment needs less land area. This plant is free from bad smell, rodent and fly menace, visible pollution, and social resistance. It has potential for co-disposal with other organic waste streams from agro-based industry. The plant can be scaled up depending on the availability of the waste.

2.4 INCINERATION

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