Processing of Used Beveraged Waste for Production of Hydroge Gas with Electrolysis Process Using NaOH CatalystWidayat, Mochammad Faiq Yumna, Muhammad Hilmazar, Hantoro satriadi and Aji PrasetyaningrumE3S Web Conf., 202 (2020) 08001DOI: https://doi.org/10.1051/e3sconf/202020208001