Application of a New Depressant in the Flotation Separation of a Lead-zinc-sulfur Bulk Concentrate

LIANG Yiqiang; MAO Mingfa; SONG Tao; KAN Saiqiong

doi:10.13779/j.cnki.issn1001-0076.2020.05.014

2020 Vol. 40, No. 5

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Article navigation > Conservation and Utilization of Mineral Resources > 2020 > 40(5): 109-115

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LIANG Yiqiang, MAO Mingfa, SONG Tao, KAN Saiqiong. Application of a New Depressant in the Flotation Separation of a Lead-zinc-sulfur Bulk Concentrate[J]. Conservation and Utilization of Mineral Resources, 2020, 40(5): 109-115. doi: 10.13779/j.cnki.issn1001-0076.2020.05.014

Citation:

LIANG Yiqiang, MAO Mingfa, SONG Tao, KAN Saiqiong. Application of a New Depressant in the Flotation Separation of a Lead-zinc-sulfur Bulk Concentrate[J]. Conservation and Utilization of Mineral Resources, 2020, 40(5): 109-115. doi: 10.13779/j.cnki.issn1001-0076.2020.05.014

Application of a New Depressant in the Flotation Separation of a Lead-zinc-sulfur Bulk Concentrate

1.
Kunming Metallurgical Research Institute Co. LTD, Kunming 650031, China
2.
Yunnan Key Laboratory for New Technology of Beneficiation and Metallurgy, Kunming 650031, China
3.
State Key Laboratory of Pressure Hydrometallurgical Technology of Associated Nonferrous Metal Resources, Kunming 650031, China
4.
Yunnan Chi Hong Zinc Germanium Limited by Share Ltd Huize Mining Branch, Qujing 655000, China

Received Date: 18 July 2020

Publish Date: 25 October 2020

Abstract

Abstract

A new type of depressant X33 and L3 was used for flotation separation of a lead-zinc-sulfur bulk concentrate in Yunnan. The test results show that the depressant can replace the traditional depressants in separation method for separate the lead-zinc-sulfur bulk concentrate. Its chemical process is environmentally friendly and the dosage is low. A galena-sphalerite-pyrrhotite mixed concentrate in Yunnan contains 17.35% lead, 6.76% zinc and 31.04% iron, when is separated by flotation, lead concentrate containing 64.59% lead, and lead recovery of 95.49%, 326.8 g/t silver, and silver recovery of 83.29% and 4.64% zinc; zinc concentrate containing 51.56% zinc, 3.55% lead, and zinc recovery of 64.09% was obtained; 43.4% sulfur and 78.67% sulfur recovery in the pyrite concentrate.
- mixed concentrate /
- zinc depressant /
- sulfur depressant /
- reagent removal /
- lead /
- zinc /
- sulfur

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