With reference to the process of 39 Pyrolysis 39 consider the following statements 1 It is the...........

Environment and Ecology Waste Management

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With reference to the process of 'Pyrolysis', consider the following statements:

1. It is the chemical decomposition of organic material through the application of heat.

2. It helps in removing organic contaminants from soils and oily sludges.

3. It is used in creating biofuel from crops and waste products.

Which of the statements given above are correct

1 and 2 only

2 and 3 only

1,2 and 3

1 and 3 only

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Explanation:

Pyrolysis, the thermal or thermo-chemical decomposition of organic (carbon-based) materials through the application of heat. Pyrolysis, which is also the first step in gasification and combustion, occurs in the absence or near absence of oxygen, and it is thus distinct from combustion (burning), which can take place only if sufficient oxygen is present.
Pyrolysis has numerous applications of interest to green technology. It is useful in extracting materials from goods such as vehicle tires, removing organic contaminants from soils and oily sludges, and creating biofuel from crops and waste products. Pyrolysis can help break down vehicle tires into useful components, thus reducing the environmental burden of discarding the tires

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Siddharth Jena

Pyrolysis is thermal decomposition, and at max can be stretched to thermochemical, but it is not sole chemical process, refer to EPA.gov.in, Statement 1 is wrong.

Kartik Goyal

Pyrolysis is thermal decomposition and not chemical whereas Gasification is thermo-chemical decomposition. So, 1st statement should be wrong.