Solid Waste Engineering
Solid Waste Engineering
3rd Edition
ISBN: 9781305635203
Author: Worrell, William A.
Publisher: Cengage Learning,
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Chapter 7, Problem 7.1P
To determine

The difference between pyrolysis and gasification.

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Explanation of Solution

Pyrolysis is the process in which combustion takes place in the absence of oxygen. It is the thermal method of decomposition at high temperature in a nonreactive environment. This method is mainly used for decomposition of organic waste. Generally, the organic substance is volatile in nature so, during pyrolysis, they leave the solid material and gets evaporated at an elevated temperature which is enriching in carbon and charcoal.

Gasification is the process in which the organic matter is decomposed in the presence of oxygen at elevated temperature. In this process, organic matter is disintegrated into hydrogen, carbon monoxide, and carbon dioxide. The product of this process is used as a renewable source of energy.

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