Comparison of acid and alkaline pre-treatment on methane production from empty palm oil fruit bunches (OPEFB): Effect on characteristics, digester performance, and correlation of kinetic parameters

Sri Suhartini, Novita Ainur Rohma, Elviliana Elviliana, Nur Hidayat, Nimas Mayang Sabrina Sunyoto, Efri Mardawati, Kasbawati Kasbawati, Nanang Mascruhin, Syazwani Idrus, Fitria Fitria, Young Hoon Jung, Lynsey Melville