Patent ID: 11918939
Assignee: ARKEMA FRANCE
Field: Chemical engineering (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 0:
1. A process for purifying a composition comprising a hydrohalocarbon B comprising the steps of:
i. providing a composition A1 comprising a hydrohalocarbon B and at least one impurity C different from said hydrohalocarbon B,
ii. compressing said composition A1, and optionally cooling it, so as to obtain said hydrohalocarbon B in liquid form in order to form a liquid stream A2 comprising said hydrohalocarbon B,
iii. distilling said stream A2 obtained in step ii) in order to form and recover a stream A3 comprising said hydrohalocarbon B and a stream A4 comprising said at least one impurity C wherein step iii) is carried out in a pressurized distillation device comprising one or more rotating packed beds.