Question: Explain Physical, Chemical, and Biological transformation of solid waste.
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Mumbai University > Civil Engineering > Sem 7 > Solis Waste Management

Marks: 10M

Year: May 2016

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modified 2.6 years ago  • written 2.6 years ago by gravatar for Juilee Juilee2.3k
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Transformation means a process of reduction of waste by volume and weight and recovering the energy from them, Typically waste transformations are used: to improve the efficiency of solid waste and management systems to recover reusable and recyclable materials and to recover conversion products and energy which include following method they are 1) physical transformation 2) chemical transformation 3) Biological transformation.

1) physical transformation- Physical transformations of solid waste typically involve a change of phase. To reduce the volume and to recover conversion products, the principal physical processes used to transform municipal solid waste include: 1) component separation 2) Mechanical volume reduction and 3) Mechanical size reduction . All three of these processes are often classified as volume reduction processes

2) Chemical transformations -Chemical transformations of solid waste typically involve a change of phase. To reduce the volume and to recover conversion products, the principal chemical processes used to transform municipal solid waste include: 1) Combustion 2) Pyrolysis and 3) Gasification. All three of these processes are often classified as thermal processes

3) Biological transformation- The biological transformations of the organic fraction of Solid Waste may be used; 1) to reduce the volume and weight of the material 2) to produce compost 3) to produce methane and include: 1) aerobic composting 2) low-solids anaerobic digestion 3) high-solids anaerobic digestion

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modified 2.6 years ago  • written 2.6 years ago by gravatar for Juilee Juilee2.3k
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