Investigating efficiency improvement in sulfur recovery unit using process simulation and numerical modelingFarhad Fazlollahi, Sajjad Asadizadeh, Milad Ahmadi Khoshooei, Mohammad Reza Sardashti Birjandi and Majid SarkariOil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 76 (2021) 18DOI: https://doi.org/10.2516/ogst/2020093