Results 71 to 80 of about 839 (198)
, 2023 Sulfuration-amine flotation is the most commonly used method to separate zinc oxide ore, but its shortcomings such as unstable separation index and poor applicability to high mud-content raw ore limit its application in industry.
Yongchao Piao +6 more
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Journal of Economic Geology, 2022 Introduction Varmazyar Pb–Zn (Ag) occurrence, 65 km north of Zanjan, is located in the Tarom–Hashtjin metallogenic belt (THMB). The THMB has been recognized as one of the most important epithermal metallogenic belts in Iran (Kouhestani et al., 2018b ...
Afsaneh Ghorbani +2 more
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Flotation of smithsonite: A review
Physicochemical Problems of Mineral ProcessingZinc, a high-performance metallic element, is widely used in industries such as transportation, construction, light industry, machinery, and batteries. In recent years, with the continuous development of the world economy and the continuous expansion of zinc application fields, high-grade and easily selected zinc sulfide mineral resouąrces have ...
Ruofan Sun, Jiushuai Deng
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Adsorption studies of smithsonite flotation using dodecylamine and oleic acid
, 2006 The interaction of various concentrations of sodium sulfide, dodecylamine (DDA) and oleicacid (OA) on smithsonite were investigated at different pH levels using zeta potential, contact angle, microflotation and diffilse-reflectance FT-IR studies ...
Forssberg, Eric,, Hosseini, S. H.
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Journal of Economic Geology, 2023 Precious and base metal mineralization in the Qebchaq deposit occurred as brecciated quartz-sulfide veins within the Eocene tuff and lava strata, and the Oligocene quartz diorite-gabbro intrusion.
Mohammad Sohbatloo +2 more
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Research Status of Mechanism of Flotation Reagents for Smithsonite
Kuangchan zonghe liyongAt present, the common flotation methods of smithsonite are sulfide-flotation, direct flotation and other collector flotation methods. However, smithsonite has the characteristics of fine disseminated particle size, complex structure and serious sliming,
Mingxi LI +4 more
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Journal of Economic Geology, 2021 Introduction The Halab Zn–Pb (Ag) deposit, 125-km southwest of Zanjan, is located in the Takab–Takht-e-Soleyman–Angouran metallogenic district (TTAMD), Sanandaj-Sirjan zone.
Fatemeh Karami +3 more
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Journal of Economic GeologyThe Tangedozdan zinc and lead deposit is located 25 km northeast of Fereydounshahr and in the middle part of the Sanandaj-Sirjan zone. The rock units from old to new include greenish volcanics, calcareous sandstone, crystalline limestone, limestone to ...
Seyed Vahid Shahrokhi
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The Petrogeochemistry and Zircon U-Pb Age of Nephrite Placer Deposit in Xiuyan, Liaoning
Yankuang ceshi, 2019 BACKGROUND The Xiuyan placer nephrite is located in the Xiyu gully, Baisha river valley and terrace, located in Xiuyan, Liaoning Province. Currently, the primary nephrite in the Xiyu gully is regarded as the Xiuyan placer nephrite's primary deposit ...
ZHENG Fen, LIU Yan, ZHANG Hong-qing
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Physicochemical studies of smithsonite flotation using mixed anionic/cationic collector
, 2007 In this study, the flotation behaviour and surface adsorption of smithsonite were investigated using various concentration ratios of potassium amyl xanthate (KAX) and dodecylamine (DDA) in a surfactant mixture.
Forssberg, Eric,, Hosseini, S. H.
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