Recovery of sphalerite from a high zinc grade tailing

Bagheri, Behnam; Mehrabani, Javad Vazifeh; Farrokhpay, Saeed

doi:10.1016/j.jhazmat.2019.120946

Cited by 26 publications

(4 citation statements)

References 27 publications

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“…The Florrea ECOXANTHATER series flotation reagents (Shenyang Florrea Chemicals Co., Ltd., Shenyang, China) are new, efficient flotation collectors replacing xanthate in sulfide flotation, which are mainly used for sulfide ore flotation to recover non-ferrous and precious metals such as copper, lead, zinc, molybdenum, gold, nickel, cobalt, platinum group metals, etc. [53]. Florrea C2214 reagents are a mixture of diisobutyl and sodium dithiophosphate, Florrea C2216-diisoamyl and sodium dithiophosphate and Florrea C2000 (analogue of reagent Z-200)-isopropylethyl thionocarbamate.…”

Section: Dithiopyrilmethane C23h24n4s2mentioning

confidence: 99%

Contemporary Research and Developments in the Low-Toxic Chelating Reagents for the Extraction of Non-Ferrous and Noble Metals from Poor Polymetallic Ores and Processing Tailings

Matveeva

Getman²,

Gromova³

et al. 2022

Sustainability

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An urgent technological, economic and environmental task of mining and metallurgical enterprises is to involve poor, off-balance and hard-to-beneficiate ores in the technological process, as well as accumulated and current waste from mining and metallurgical industries. As the reserves of developed deposits are depleted, technogenic objects may become a priority, and in some cases the only, source of mineral raw materials. Mining wastes represent a large reserve of raw materials for the extraction of non-ferrous and precious metals, and at the same time, they are centers of local or regional environmental pollution. Stale waste re-processing may promote territorial cultivation and reduce the environmental burden. The conventional methods of poor ore and waste treatment do not fully provide for a sufficient separation degree of high metal extraction, and lead to significant valuable ore losses, while the quality of the obtained concentrates often does not meet the requirements for subsequent technological process. In this regard, the development of novel chelating agents with specific functional groups that can selectively adsorb on the mineral surface, change the contrast of chemical surface composition and improve the flotation properties of mineral complexes, is an innovative solution for increasing their flotation selectivity. Furthermore, the synthesis and application of novel flotation reagents may help to replace toxic reagents by ecologically friendly or less-toxic ones.

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Section: Dithiopyrilmethane C23h24n4s2mentioning

confidence: 99%

Contemporary Research and Developments in the Low-Toxic Chelating Reagents for the Extraction of Non-Ferrous and Noble Metals from Poor Polymetallic Ores and Processing Tailings

Matveeva

Getman²,

Gromova³

et al. 2022

Sustainability

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“…Bagheri et al [13] studied the recovery of sphalerite and pyrite from old tailings with a high zinc content. The effect of various flotation agents (collector, auxiliary collector, depressor, activators and foaming agent) on the characteristics of flotation was studied.…”

Section: Introductionmentioning

confidence: 99%

Optimization of Conditions for Processing of Lead–Zinc Ores Enrichment Tailings of East Kazakhstan

Сексенова

Bykov

Mamyachenkov

et al. 2021

Metals

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This article presents the results of studies of a low-waste technology for processing enrichment tailings using a combined enrichment–hydrometallurgical method. After washing the enrichment tailings from harmful products and reducing their size, multi-stage flotation of the crushed material of the enrichment tailings was carried out. The use of a new reagent in the flotation process was studied in order to ensure the maximum recovery of the main valuable components from the enrichment tailings. A new collector of Aero 7249 (Shenyang Florrea Chemicals Co., Ltd., Shenyang, China) type was used for the flotation. The recovery of valuable components was as follows: Cu, 6.78%; Zn, 91.69%; Pb, 80.81%; Au, 95.90%; Ag, 82.50%; Fe, 78.78%. Tailings of the flotation were re-enriched using a fatty acid collector (sodium oleate). Additional (reverse) flotation resulted in obtaining a product corresponding to the composition of building sand in terms of the content of valuable components of the waste rock. The studies of the conditions for processing the enrichment tailings of lead–zinc ore indicate the possibility of its optimization in order to maximize the involvement of waste in the production.

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“…Billions of tons of tailings after minerals processing have been deposited into tailing ponds around the world, which causes pollution in water and soil, chemical weathering, dam failure, and so on. − Therefore, more and more researchers are beginning to focus on how to realize the reuse of tailings, which is important to environmental protection, resource utilization maximization, and even the safety of personnel around tailing ponds. ,, Tantalum–niobium mine tailings usually contain a considerable amount of lithium resources which occur in the form of lepidolite. Meanwhile, the demand for lithium metal as an electrode material has increased yearly because of the wide application of new energy battery technology. − The efficient recovery of lepidolite resources from tantalum–niobium mine tailings, with a commonly employed method like froth flotation, can not only promote the development of the lithium industry but also reuse a large number of tailings and reduce the harm of tailing ponds .…”

Section: Introductionmentioning

confidence: 99%

“…1−3 Therefore, more and more researchers are beginning to focus on how to realize the reuse of tailings, which is important to environmental protection, resource utilization maximization, and even the safety of personnel around tailing ponds. 1,4,5 Tantalum−niobium mine tailings usually contain a considerable amount of lithium resources which occur in the form of lepidolite. Meanwhile, the demand for lithium metal as an electrode material has increased yearly because of the wide application of new energy battery technology.…”

Section: ■ Introductionmentioning

confidence: 99%

Recycling Lepidolite from Tantalum–Niobium Mine Tailings by a Combined Magnetic–Flotation Process Using a Novel Gemini Surfactant: From Tailings Dams to the “Bling” Raw Material of Lithium

Huang

Zhang

Cheng

et al. 2020

ACS Sustainable Chem. Eng.

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On January 25, 2019, the tailings dam at Vale's Coŕrego do Feijao mine (Brumadinho, Minas Gerais, Brazil) ruptured, releasing about 12 million cubic meters of tailings, killing over 240 people and posing a considerable and ongoing environmental hazard. Thus, the recovery of valuable minerals from tailings can contribute to a sustainable disposal of this hazardous residue, saving human lives and protecting the environment. The tailings of a tantalum−niobium mine usually contain a considerable amount of lepidolite resource. Nonetheless, the method of sustainably acquiring the lepidolite resource from tailings of a tantalum−niobium mine at lowtemperature environments has always been needed. In this study, we synthesize a new amine-based gemini surfactant, butanediyl-α,ω-bis-(dimethyldodecylammonium bromide) (BDB). It is introduced as a collector in the flotation of lepidolite from the tantalum−niobium mine tailings for the first time at low temperatures. We compare its capability to collect lepidolite with the monomeric surfactant 1-dodecylamine (DA). In bench-scale flotation experiments, the Li 2 O recovery of lepidolite concentrate with 80 g/t BDB was 10.96% and 31.85% higher than that with 160 g/t DA at 298 and 275 K, respectively, which indicated that BDB is a better collector for lepidolite than DA. BDB is a novel and superior collector for disposing of lepidolite tailings ponds.

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Recovery of sphalerite from a high zinc grade tailing

Cited by 26 publications

References 27 publications

Contemporary Research and Developments in the Low-Toxic Chelating Reagents for the Extraction of Non-Ferrous and Noble Metals from Poor Polymetallic Ores and Processing Tailings

Contemporary Research and Developments in the Low-Toxic Chelating Reagents for the Extraction of Non-Ferrous and Noble Metals from Poor Polymetallic Ores and Processing Tailings

Optimization of Conditions for Processing of Lead–Zinc Ores Enrichment Tailings of East Kazakhstan

Recycling Lepidolite from Tantalum–Niobium Mine Tailings by a Combined Magnetic–Flotation Process Using a Novel Gemini Surfactant: From Tailings Dams to the “Bling” Raw Material of Lithium

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