Question

How much percentage the density of solids drop during gasification?

(a) 1 to 5%

(b) 5 to 10%

(c) 15 to 20%

(d) 25 to 30%

I have been asked this question in examination.

Origin of the question is Activation of Charcoal in section Industrial Applications of Fluidized Beds of Fluidization Engineering

Answer 1

The correct option is (c) 15 to 20%

For explanation I would say: Gasification reduces their density about 15 to 20% without changing their size.