Changes of nutrients and potentially toxic elements during hydrothermal carbonization of pig manure Song, Chengfang ; Yuan, Wenqiao ; Shan, Shengdao ; Ma, Qi ; Zhang, Haibo ; Wang, Xudong ; Niazi, Nabeel Khan ; Wang, Hailong Abstract Publication: Chemosphere Pub Date: March 2020 DOI: 10.1016/j.chemosphere.2019.125331 Bibcode: 2020Chmsp.24325331S