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Recovery of acetone from nitrogen gas in pharmaceutical industry

The Challenge 1

India is a leading country for pharmaceutical industry.

In the processes can often not air or other gas creating oxidation be used as transporting media. Often is nitrogen used and often is acetone or other Volatile Organic Compound required to be separated and removed.

Existing heat exchangers for the duty are either shell & tube with low efficiency or standard plate heat exchangers (CBE) with high gas pressure drop.

The solution

Compact 25, Compact 36 and Cross 30.

The result

Performance comparison
  Shell & Tube Standard CBE Compact
Evaporation temperature for R134a
Acetone recovery
60 %
85 %
99 %

The Airec design recovered more acetone with less demanding evaporating temperature than the others.

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