Green Supply Chain Management for Condensate Storage Tanks Using Integrated Methods of DEMATEL and ANP (a Case Study of Gas Phases of South Pars Area)

Recently, in most of the condensate tank production projects, two main activities of welding and painting are done in manual and automatic ways. The purpose of this study is "green supply chain management" of these activities in order to select the best production method. For this purpose, by literature reviews and using Delphi and DEMATEL techniques, the indicators and sub-indicators of green supply chain of condensate storage tanks and their internal relations were identified. The indicators were weighted and ranked by ANP method. Ultimately, the best way to build "condensate storage tanks" was determined. Among the 8 main indicators and 35 sub-indicators, “financial risk” was recognized as the most influential indicator and categorized in the cause group. The “reverse logistics” was found to be the most effective indicator and classified in the effect group. The “environmental management” was the indicator engaged in most interaction with the other factors. Overall, the environmental management indicator, with a weight of 0.35172, ranked first and “supply risk” indicator, with a weight of 0.00357, was recognized as the least important indicator. The strategy of “automatic painting and welding of large tanks”, with a weight of 0.21537, was selected as the best construction method of the tanks. The results showed that, by the integrated use of DEMATEL and ANP methods, more accurate ranking of options would be achieved.