Polycarbonate is formed from Bisphenol A either in a phosgene based or phosgene-free process. In both of these processes a wide range of mixer applications in different production stages are well established.

These are:

• mixing of carbon monoxide with chlorine to form phosgene
• dispersion of organics with caustic for washing purpose
• admixing of small amounts of different additives

The static mixer SMI™ secures within short distance a homogeneous mixture to ensure optimal conditions for reactions. It creates uniform droplet size distribution of the washing liquid to facilitate mass transfer

Customer advantages

• Uniform distribution of concentration and temperature
• Minimized side reactions, higher yield
• Low pressure drop
• Short installation length

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