Question

Complete destruction of hazardous components is done in first chamber of rotary kiln.

(a) True

(b) False

I had been asked this question in a job interview.

The question is from Thermal Processes in chapter Thermal Processes of Hazardous Waste Management

Answer 1

Right choice is (b) False

To explain: The kiln is operated around 1200 degree Celsius and off-gas from first chamber is then combusted in secondary chamber to reduce particulates and to ensure complete destruction of hazardous components.