1. Laboratory scale extraction and further transformation of the iron component of red mud
6-May-19

3. K Evans, J Sustain Metall 2 (4) 316 (2016)

5. H Gu et al. RSC Advances 6 46421 (2016)

9. FeC2O4.2H2O → FeO %

11. Higher added Fe containing product – ferrate (VI)
FeO42- E° 2.20 V in acidic solution
Powerful, selective oxidant
Water decontaminant /coagulant
L Delaude and P Laszlo J Org Chem (1996)
J-Q Jiang and B Lloyd Water Res (2002)
Preparation from ferrous sulfate waste:
N Kanari et al J Phys Conf Ser (2013)

12. Preparation via oxidation of Fe(III) salt with hypochlorite in alkaline solution
Electrochemical oxidation
Dry oxidation

15. Acknowledgements
Dr Hannian Gu Dr Jose Rico Cerda Professor JiaQian Jiang Chinese Scholarship Council Conacyt British Council Vidya Batra, Malini Balakrishnan