Preparation of porous carbon as ethylene adsorbent by pyrolysis of extraction waste Mangosteen rindsNur Indah Fajar Mukti, Imam Prasetyo, Aswati Mindaryani and Shofwatunnida’ SeptariniMATEC Web Conf., 154 (2018) 01032DOI: https://doi.org/10.1051/matecconf/201815401032