Biomimetic preparation of ternary heterogeneous catalyst derived from biopolymer in biological sludge and synergistic effects in Fenton processNguyen Thi Oanh, Jingyi Zhang, Michael Engda Asgodom, Mei Yan, Huifang Xie and Hongxia QuMATEC Web Conf., 238 (2018) 03001DOI: https://doi.org/10.1051/matecconf/201823803001