SEA LIQUEFIED NATURAL GAS FRACTIONAL DISTILLATION DEVICE USING INTEGRALLY DIVIDED WALL DISTILLATION COLUMN

摘要

The present invention relates to a sea liquefied natural gas fractional distillation device using an integrally divided wall distillation column, wherein the sea liquefied natural gas fractional distillation device has the integrally divided wall distillation column for separating a methane-ethane mixture, a propane-butane mixture and a mixture of pentane or more component from a mixture of methane, ethane, propane, butane and pentane. The device has high energy efficiency by reducing consuming energy during a distillation operation, and the facility cost of the distillation system can be saved by minimizing the number of distillation column. In addition, the sea liquefied natural gas fractional distillation device is suitable for a sea liquefied natural gas process by saving cost due to a compressed raw material.;COPYRIGHT KIPO 2016