Novel Fatty Acid−based Collector in Low−temperature Desilication of Iron Ore by Flotation in Anshan City

HUANG Enming; SONG Baoxu; NAN Nan; MA Fangyuan; XU Xinyi; WANG Shuai; SHI Yuhang

doi:10.13779/j.cnki.issn1001-0076.2024.02.011

2024 Vol. 44, No. 2

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HUANG Enming, SONG Baoxu, NAN Nan, MA Fangyuan, XU Xinyi, WANG Shuai, SHI Yuhang. Novel Fatty Acid−based Collector in Low−temperature Desilication of Iron Ore by Flotation in Anshan City[J]. Conservation and Utilization of Mineral Resources, 2024, 44(2): 80-85. doi: 10.13779/j.cnki.issn1001-0076.2024.02.011

Citation:

HUANG Enming, SONG Baoxu, NAN Nan, MA Fangyuan, XU Xinyi, WANG Shuai, SHI Yuhang. Novel Fatty Acid−based Collector in Low−temperature Desilication of Iron Ore by Flotation in Anshan City[J]. Conservation and Utilization of Mineral Resources, 2024, 44(2): 80-85. doi: 10.13779/j.cnki.issn1001-0076.2024.02.011

Novel Fatty Acid−based Collector in Low−temperature Desilication of Iron Ore by Flotation in Anshan City

1.
School of Mining Engineering, University of Science and Technology Liaoning, Anshan114001, Liaoning, China
2.
Anqian Mining Co., Ltd., Ansteel Group, Anshan114043, Liaoning, China

More Information

Corresponding author: SONG Baoxu, winsbx@163.com

Received Date: 08 November 2023

Publish Date: 15 April 2024

Abstract

Abstract

A low−temperature reverse flotation experimental study was carried out on the mixed magnetic concentrate from a processing factory in Anshan using a new fatty acid−based low−temperature resistant collector KDB−3. The results showed that the reverse flotation process of "one stage rougher flotation, one stage cleaning and three stage scavenging" was adopted for the mixed magnetic concentrate with 50.10% iron grade. When the roughing slurry temperature was 10 ~ 15 ℃, the dosage of inhibitor caustic starch was 650 g/t, the dosage of activator calcium oxide was 900 g/t, the dosage of collector was 1 150 g/t, and the dosage of adjusting agent sodium hydroxide was 900 g/t, and the dosage of sodium hydroxide was 900 g/t (pH=11.5), an iron ore concentrate with iron grade of 67.80% and recovery of 87.46% was obtained using KDB−3, while only an iron ore concentrate with iron grade of 66.57 % and recovery of 67.16% was obtained using sodium oleate as collector under the same experimental conditions, showing the remarkable effect of the novel collector. When the novel collector KDB−3 was used, an iron ore concentrates with an iron grade of 67.90% was obtained at room temperature (25 ℃), with a recovery of 89.18%, which was similar to the indexes under low−temperature conditions, indicating the applicability of the novel fatty acid type collector KDB−3 under both low−temperature and room−temperature conditions. Effective low−temperature flotation of iron ore from a processing plant in Anshan city was achieved.
- reverse flotation /
- low temperature /
- collector /
- iron ore /
- hematite /
- quartz

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References

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