Design simulation and economic optimization of a benzene-toluene-xylene system distillation process upon the energy costS. Silviana, Febio Dalanta, Dewi Qurrota A’yuni, Lu’luatul Khoiriyah, Putri Rousan Nabila and M. Fahrizal AlfarisE3S Web Conf., 202 (2020) 10003DOI: https://doi.org/10.1051/e3sconf/202020210003