Consider the following statement: “If a reactant (G) in a process is a gas at the feed conditions,

Consider the following statement: “If a reactant (G) in a process is a gas at the feed conditions, subsequent separation from the reactor effluent is difficult, hence unused G cannot be recycled.” Do you agree with this statement? Give your reasoning why you agree or disagree.

Expert Solution

Separation of G from reactor effluent may or may not be difficult.

(a) If G reacts to form a heavier (higher molecular weight) compound then separation may be relatively easy using a flash absorber or distillation and recycle can be achieved easily.

(b) If process is to be viable then G must be separable from the product. If inerts enter with G or gaseous byproducts are formed then separation of G may not be possible but recycling with a purge should be tried. In either case the statement is not true.

Junaid answered 8 months ago

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