High-Efficiency Flotation Collectors for Magnetite Ores SME Denver - PowerPoint PPT Presentation

High-Efficiency Flotation Collectors for Magnetite Ores SME Denver February 2019

Agenda Introduction to Nouryon Iron Ore High efficiency collector – Lilaflot 821M Low toxicity collector – Armoflote 930 Conclusion SME 2019 2

Nouryon – Former AkzoNobel Specialty Chemicals Noury & Van der Lande • Founded in 1838 • Pioneers in organic peroxides • Realized the essential role chemistry could play in everyday life Today we are still a world leader in essential chemistries used to manufacture everyday products SME 2019 3

Supplying essential chemistry to markets worldwide • Experts in highly Pulp and paper Cleaning Polymer production demanding and processing chemistry • Supplying markets Personal care Oil and gas Agriculture with essential chemicals for manufacturing everyday products Food Construction ..and more... • Our products play an essential role in everyday life SME 2019 4

Surface Chemistry Mining RD&I locations • RD&I Itupeva, Brazil • Shanghai, China • Mumbai, India • Singapore • Stenungsund, Sweden • New York, US SME 2019 5

Markets we serve – Main minerals Copper Sulfide 6 SME 2019

Iron Ore (magnetite, hematite, itabarite) End use • Steel production Quality requirement • Low silica and low phosphorus content • High Fe-grade Nouryon expertise • Reverse flotation • Removal of silicates • Process water with high content of electrolytes • Very fine particle size • Froth characteristic issues • Complex silicates • Removal of phosphate/apatite • Process water with high content of electrolytes SME 2019 7

Agenda Introduction to Nouryon Iron Ore High efficiency collector – Lilaflot 821M Low toxicity collector – Armoflote 930 Conclusion SME 2019 8

Lilaflot 821M – lab results European Ore Reference Lilaflot 7.5 Collector 821M Lilaflot 821M, 100, 120, 140g/t 7 Reference Collector, 100, 120, 140g/t Grade SiO 2, % 6.5 Dosage 6 Foaming 5.5 5 Toxicity 4.5 4 60 65 70 75 80 85 90 Fe Recovery, % SME 2019 9

Lilaflot 821M – Plant Trial • The dosage of Lilaflot 821M was 50-80% of reference collector • Good performance, similar grade and recovery 120 71 Lilaflot 821M Lilaflot 821M Reference Collector 70 Reference Collector 100 69 68 Recovery, % 80 Grade, % 67 60 66 65 40 64 63 20 62 0 61 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Plant trial test number Plant trial test number SME 2019 10

Lilaflot 821M – lab results - N.A. Ore 1 • Lilaflot 821M has higher dosage efficiency • Lilaflot 821M provides better selectivity N.A. Ore 1 6 6 5 5 Residual SiO 2 , % Residual SiO 2 , % 4 4 3 3 2 2 Reference Collector Reference Collector 1 1 Lilaflot 821M Lilaflot 821M 0 0 0 0.1 0.2 0.3 40 60 80 100 Collector dosage, lb/lt Fe Recovery, % SME 2019 11

Lilaflot 821M – lab results - N.A. Ore 2 • Lilaflot 821M needs lower dosage • Lilaflot 821M provides better selectivity N.A. Ore 2 6 6 5 5 Residual SiO 2 , % Residual SiO 2 , % 4 4 3 3 2 2 Reference Collector Reference Collector 1 1 Lilaflot 821M Lilaflot 821M 0 0 0 0.1 0.2 0.3 70 80 90 100 Collector dosage, lb/lt Fe recovery, % SME 2019 12

Agenda Introduction to Nouryon Iron Ore High efficiency collector – Lilaflot 821M Low toxicity collector – Armoflote 930 Conclusion SME 2019 13

Permit to operate Requirements of a collector • Performance (grade, recovery, efficiency, froth stability) • Operational permits connected to environmental profile of chemicals used in the flotation Water flow direction Benefication plant Aquatic toxicity • Adsorbtion of the chemicals on the minerals - Bioavailability • Biodegradability • Human toxicity Sampling place SME 2019 14

Environmental Profile of Armoflote 930 Surfactant % degradation in 28 days Toxicity (OECD) EC50/ErC50/LC 50, mg/l Traditional Ether 41 Monoamine Standard Ether Monoamine Traditional Ether 10 Standard Ether Diamine Diamine Armoflote 930 Armoflote 930 >60 = Readily Biodegradable * Daphnia Algae Fish *= predicted, read across. • Higher value = less toxic surfactant • Atmoflote 930 25 times less toxic towards Daphnia • Armoflote 930 1.8 times less toxic towards Algae • Armoflote 930 22* times less toxic towards Fish SME 2019 15

Environmental Benefits Biodegradability readily Aquatic toxicity (OECD algae) 0.75 Environmental Human toxicity Non toxic* Predicted No Effect Concentration 2-4 times higher * predicted • Aquatic toxicity of reference collector is 0.111. SME 2019 16

Flotation Results & Frothing Properties • • Outstanding frothing compared to benchmark Required grade and recovery in flotation obtained collectors obtained with Armoflote 930 with our readily biodegradable & low toxicity collector Armoflote 930! 25 1.65 Reference Collector Reference Collector, 30+15+15g/t 1.6 Armoflote 930 Armoflote 930, 40+20+20g/t 20 1.55 Acid Insoluble , % Froth Height, cm 1.5 15 1.45 1.4 10 1.35 1.3 5 1.25 Air off 1.2 0 86 88 90 92 94 96 98 0 50 100 150 200 Weight Recovery, % Time, Seconds SME 2019 17

Conclusion • • Lilaflot 821M Armoflote 930 ▪ ▪ High efficiency Low toxicity ▪ ▪ Better foaming Good performance ▪ ▪ Less toxic to humans Outstanding frothing Your partner in essential chemistry for a sustainable future SME 2019 18

Thank you Wan Wang-Geissler Nouryon, Surface Chemistry 281 Fields Lane, Brewster NY 10509, USA Tel: 1 - 845 276 8344, E-mail: Wan.WangGeissler@Nouryon.com

Lilaflot 821M – lab results N.A. Ore 3 100 4.1 95 3.9 Iron recovery, % SiO2, % 90 3.7 85 3.5 80 3.3 75 3.1 70 Reference Collector 2.9 Reference Collector 65 2.7 Lilaflot 821M Lilaflot 821M 60 2.5 0 0.1 0.2 0.3 0.4 60 70 80 90 100 Collector dosage, lb/lt Fe Recovery, % SME 2019 20