Flotation Recovery of Phosphorous from with Combined Colecters from an Iron Tailings in Yunnan

WANG Yang; TANG Min; HUANG Songwei; WANG Dong; WU Yan; NIU Xiaoying

doi:10.13779/j.cnki.issn1001-0076.2022.02.010

2022 Vol. 42, No. 2

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WANG Yang, TANG Min, HUANG Songwei, WANG Dong, WU Yan, NIU Xiaoying. Flotation Recovery of Phosphorous from with Combined Colecters from an Iron Tailings in Yunnan[J]. Conservation and Utilization of Mineral Resources, 2022, 42(2): 80-84. doi: 10.13779/j.cnki.issn1001-0076.2022.02.010

Citation:

WANG Yang, TANG Min, HUANG Songwei, WANG Dong, WU Yan, NIU Xiaoying. Flotation Recovery of Phosphorous from with Combined Colecters from an Iron Tailings in Yunnan[J]. Conservation and Utilization of Mineral Resources, 2022, 42(2): 80-84. doi: 10.13779/j.cnki.issn1001-0076.2022.02.010

Flotation Recovery of Phosphorous from with Combined Colecters from an Iron Tailings in Yunnan

Land Resources Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China

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Corresponding author: TANG Min, mtang-kmust@foxmail.com

Received Date: 02 April 2022

Publish Date: 25 April 2022

Abstract

Abstract

In order to recover phosphorus from a calc-siliceous iron tailings in Yunnan, flotation experiments were carried out. The experimental results illustrated that the combination of oxidized paraffin soap and sodium oleate could enhance the collecting ability and improve the foam state. The closed-circuit test results showed that under the conditions of 70% grinding fineness -0.074 mm, 4 kg/t dosage of regulator Na₂CO₃, 2 kg/t dosage of inhibitor sodium silicate, 1.6+0.4 kg/t dosage of combined collector oxidized paraffin soap + sodium oleate, the flotation index of phosphorus concentrate with P₂O₅ grade of 28.32% and recovery of 61.46% was obtained by using the process of one stage roughing, three stages cleaning, one stage scavenging and middling returning in sequence. This study will contribute meaningful reference to the recovery and utilization of phosphorus resources in this kind of iron phosphorus tailings.
- iron tailings /
- phosphorus /
- direct flotation /
- combined collector

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References

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