economic surveys of gas to polypropylene complex (lurgi and basell techologies) in industrial scale

iran has a lot of natural gas sources that can be used as raw material to produce value added petrochemical products. in this study, we survey economic indicators for investment of gtpp complex which it converts natural gas to polypropylene according to lurgi technology. financial analysis has been done by comfar iii expert software. total fixed investment costs for this industrial scale plant is mmusd 970 and the annual operating costs are mmusd 164. internal rate of return of the project was 24.79% and net present value 895mm$. also normal payback and dynamic payback periods were 6 and 8 years, respectively. irr sensitivity analysis has done and results showed increasing in sales revenue has the most effect on irr.