Retrofitting of dewaxing plant using pinch technology

This study shows how the application of pinch retrofit method can lead to a reduction in energycost . The heat exchanger network of dewaxing unit of the Pars oil refinery has been studied and itwas found that it is possible to reduce requirements for high pressure steam and cooling water.After analysis, an alternative HEN is proposed to save energy. The alternative HEN is obtained byadding 6 new heat exchangers. An initial investment of 266040$ is required which will be paidback in 0.91 years simply by saving energy due to heat integration.

کلیدواژه ها:

Dewaxing plant ، Pinch retrofit method ، Heat exchanger network ، Energy saving