Upgrade a gas plant to produce LPG by DWC and conventional methods—Part 2

M. M. Mostafa, N. A. El-Emam, M. A. El-Shafie and T. M. Aboul-Fotouh, Mining and Petroleum Engineering Department, Al-Azhar University, Cairo, Egypt The LPG market has seen a steady increase in prices due to increasing demand for LPG worldwide, particularly for the petrochemical, automotive, metal, ceramic and glass industries. While it is possible to recover LPG in natural gas processing operations, this raises the capital and operating costs of the plant considerably. For this reason, it is important to reduce costs during these processes. FIG. 10. Complete process flow for the added plant with DWC simulation. The prefractionator and the main column, which collectively repr