Optimization of pyroliysis of polypropylene and polyethylene based plastic waste become an alternative oil fuel using bentonite catalystEunike Desnia, Edwand Rosie, Sandy Budi Hartono, Wiyanti Fransisca Simanullang, Adriana Anteng Anggorowati and Suratno LourentiusE3S Web Conf., 475 (2024) 05006DOI: https://doi.org/10.1051/e3sconf/202447505006