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Lummus Technology offers the phosgene-free Polimeri/Lummus processes for the production of dimethyl carbonate (DMC) and diphenyl carbonate (DPC). DMC is an intermediate used in polycarbonates (via DPC), lubricants, solvents, fuel additives, and other products. DPC is used to make polycarbonates.
The Polimeri/Lummus DMC process uses CO, methanol, and O2 to produce high-purity DMC, CO2, and water. This environmentally safe process can be applied to large capacity plants, up to 50 kta per train.
The Polimeri/Lummus DPC process reacts DMC with phenol to produce high quality DPC and methanol (which can be recycled back to the DMC process). DPC quality directly impacts the downstream polycarbonate quality, so high quality DPC is critical for polycarbonate optical media applications.
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