Development of coagulant synthesis byproducts from cengar clay as adsorbent in post-coagulation peat water treatmentMuhdarina Muhdarina, Sasmi Nopiyani, Syaiful Bahri, Amilia Linggawati and Peppy Helza YantiMATEC Web Conf., 276 (2019) 06017DOI: https://doi.org/10.1051/matecconf/201927606017