Catalytic depolymerization of calcium lignosulfonate by NiMgFeO<sub><i>x</i></sub> derived from sub-micron sized NiMgFe hydrotalcite prepared by introducing hydroxyl compounds

Hongjing Han, Jinxin Li, Haiying Wang, Feng Xue, Yanguang Chen, Yanan Zhang, Yizhen Wang, Mei Zhang

Chinese Journal of Chemical Engineering . 2019, (8): 1933 -1938 . DOI: 10.1016/j.cjche.2019.01.024