Question : Which one of the following statements about pyrolysis, which is a process for solid waste treatment, is incorrect?
Option 1: It converts the waste into solids, liquids and gases, of which the resultant liquids and gases can be used to produce energy.
Option 2: The process occurs at a temperature above 430oC at atmospheric pressure.
Option 3: The process occurs under high pressure at a temperature above 430oC.
Option 4: It is a thermochemical decomposition of organic waste.
Correct Answer: The process occurs at a temperature above 430 o C at atmospheric pressure.
Solution : The answer is The process occurs at a temperature above 430 o C at atmospheric pressure.
Pyrolysis is a disintegration technology that converts organic biomass into liquids rich in carbon content that can be further used as hydrocarbon fuels. Pyrolysis happens in the absence of oxygen and is done at temperatures between 400°C and 800°C under high-pressure conditions.
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