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Skorpion Zinc Vedanta Zinc International

Skorpion came into production in 2003, and was acquired from Anglo American by VZI in 2010/2011 Comprises: Comprising an openpit mine and refinery, Skorpion is the largest integrated zinc operation in Africa and is to VZI’s vision for a Southern African zinc complex with international standing Production:Skorpion Zinc: Minetometal zinc production viasolvent extraction Kathy Sole • SX process considered a technical success zinc producers (2007 C1 US¢32/lb Zn) Anglo Research A Division of Anglo Operations Limited Acknowledgements Skorpion Zinc Anglo Base Metals Sole 2001, Proceedings 6th World Congress Chemical Engineering, MelbourneSkorpion Zinc: Minetometal zinc productionSKORPION ZINC: A JEWEL IN THE DESERT Skorpion is the largest integrated zinc producer in Africa and the 8th largest zinc mine in the world It is a conventional open pit oxide mine where the zinc oxide is quarried and then passed through a complex refining and metallurgical process, producing special high grade (SHG) zincSKORPION ZINC Vedanta Zinc InternationalSkorpion Zinc is a zinc mine in the ǁKaras Region of southern Namibia, producing Special High Grade (SHG) zinc The mine is situated near Rosh Pinah It was established at a cost of US$450 million by Anglo American in 2003 It is the tenthlargest zinc mine in the world, and the largest employer in Rosh Pinah, providing 1,900 jobs Skorpion is a unique mine in several ways Firstly, it is a supergene zinc ore body composed of alluvialaSkorpion Zinc WikipediaThe Skorpion process was developed to treat a complex nonsulphide oxide ore body using atmospheric leaching followed by solvent extraction and electrowinning of zinc (1,2,3) Sauconite is the largest contributor to the zinc grade with lesser amounts of zinc hydroxides The gangue minerals are mainly quartz, Kfeldspar and muscovite mica TheSKORPION ZINC: OPTIMISATION AND INNOVATION

the concentration process at skorpion zinc mine

Skorpion Zinc processes zinc oxide ore using a sulphuric acid leaching solvent extraction and electrowinning process to produce Special High Grade zinc The company investigated the possibility of supplementing ore with alternative zinc oxide sources to extend the life of mine and maximize zinc 22012021 Inaugurated in September 2003, the Skorpion zinc operation in southwest Namibia comprises an open pit mine, mill and a hydro / electrometallurgical refinery, plus a melting / casting shop Commercial production started in May 2004, with a target of fullrate output of 150,000t/yr of special high grade zinc by the end of 2004Skorpion Zinc Mine Mining Technology Mining Skorpion Zinc processes zinc oxide ore using a sulphuric acid leaching solvent extraction and electrowinning process to produce Special High Grade zinc The company investigated the possibility of supplementing ore with alternative zinc oxide sources to extend the life of mine and maximize zinc the concentration process at skorpion zinc minemetallurgical process Keywords: Skorpion zinc, zinc oxide, supergene, volcanosedimentary, grade control 1 INTRODUCTION The Skorpion Zinc Mine is situated approximately 25 km from Rosh Pinah, Namibia (Figure 1) The supergene zinc oxide deposit at Skorpion is hosted in Late ProterozoicGRADE CONTROL BLENDING AND SELECTIVITY FOR OPTIMAL PROCESS Skorpion Zinc, an integrated zinc mine and refinery located in the South of Namibia, has a production capacity of 150 000 t/a of special high grade (SHG) zinc The Skorpion zinc oxide resource will be depleted by 2017 Extensive exploration drilling for additional zinc EVALUATION OF PROCESSING OPTIONS FOR THE TREATMENT OF ZINC

A review of the modified zincex® process from

Commissioned in early 2003, Skorpion Zinc became the first minetometal operation to commercially apply a purely hydrometallurgical process route to exploit a zinc oxide orebodySkorpion Zinc is a zinc mine in the ǁKaras Region of southern Namibia, producing Special High Grade (SHG) zincThe mine is situated near Rosh PinahIt was established at a cost of US$450 million by Anglo American in 2003 It is the tenthlargest zinc mine in the world, and the largest employer in Rosh Pinah, providing 1,900 jobsSkorpion Zinc Wikipedia22012021 The GamsbergSkorpion integrated project in Gamsberg, South Africa, includes the development of an openpit zinc mine, concentrator plant and associated infrastructure, and the conversion of the Skorpion zinc refinery in NamibiaUpon completion, the project will make South Africa one of the most important suppliers of refined zinc worldwideGamsberg–Skorpion Integrated Project Mining Skorpion Mine This page is not tailored to devices with screen width under 750 px The ore deposit of Skorpion Zinc is unique as it is a primary oxide/silicate/carbonate zinc deposit, which finally takes the shape of 25kg ingots after the casting process Recoveries Major Mines Projects Skorpion MineVZI acquired Skorpion Zinc (SZ) as part of the acquisition of Anglo American’s zinc business in 2011 The envisaged life of mine of SZ was then 2014 SZ has invested significantly since Vedanta took over, to extend the life of the pit and explore for mines in the nearby areas, with over US$16 billion invested including $25 million on exploration aloneSkorpion Zinc project on care and maintenance –

Skorpion Zinc Refinery Sulphide Conversion Amendment to

Skorpion Zinc life of mine will end in 2019 This will have an economic impact on both Rosh Pinah and the Namibian economy as a whole In order to extend the life of the refinery and maintain the design production rate beyond 2019, Skorpion Zinc is planning to treat zinc sulphide concentrates in parallel to the oxide stream from 2017 to 2021Skorpion Zinc processes zinc oxide ore using a sulphuric acid leaching solvent extraction and electrowinning process to produce Special High Grade zinc The company investigated the possibility of supplementing ore with alternative zinc oxide sources to extend the life of mine and maximize zinc productionthe concentration process at skorpion zinc mineSkorpion Mine This page is not tailored to devices with screen width under 750 px The ore deposit of Skorpion Zinc is unique as it is a primary oxide/silicate/carbonate zinc deposit, which finally takes the shape of 25kg ingots after the casting process Recoveries Grades: Commodity Parameter 2018 2017 2016 2015Major Mines Projects Skorpion MineSkorpion Zinc by HF Fuls*, and J Petersen† Synopsis Skorpion Zinc, an integrated zinc mine and refinery located in the south of Namibia, has a production capacity of 150 000 t/a of special high grade (SHG) zinc The Skorpion zinc oxide resource will be depleted by 2017 Extensive exploration drilling for additional zinc oxides was conductedEvaluation of processing options for the treatment of zinc Skorpion Zinc life of mine will end in 2019 This will have an economic impact on both Rosh Pinah and the Namibian economy as a whole In order to extend the life of the refinery and maintain the design production rate beyond 2019, Skorpion Zinc is planning to treat zinc sulphide concentrates in parallel to the oxide stream from 2017 to 2021Skorpion Zinc Refinery Sulphide Conversion Amendment to

SKORPION ZINC: LESSONS LEARNT IN THE OPERATION OF THE

SKORPION ZINC: LESSONS LEARNT IN THE OPERATION OF THE MODIFED ZINCEX TM SOLVENTEXTRACTION PROCESS Carlota David, Stefan Engelbrecht Skorpion Zinc, Rosh Pinah, Namibia Gustavo Díaz Nogueira, Francisco Sánchez, Ana Belén Mejias, Técnicas Reunidas, Madrid, Spain This paper was published in the event ISEC 2011Diversified miner Vedanta Resources’ unit Vedanta Zinc International (VZI) has announced plans to suspend operations at its Skorpion Zinc (SZ) mine and refinery in Namibia by the end of next month According to VZI, the scale down of operations will occur progressively during next month, overlapping with the nationwide lockdown to contain the spread of the Covid19 pandemicVedanta to suspend operations at Skorpion VENDANTA Zinc International will shut down its Skorpion Zinc Mine (SZM) refinery at the Rosh Pinah mining settlement for six months at the end of October, to rebuild its depleted ore stocksNamibia: Skorpion Zinc to Halt Refinery Vedanta Zinc International, a unit of diversified miner Vedanta Resources, said on Monday it would suspend operations at its Skorpion Zinc mine and refinery in Namibia by the end of AprilVedanta to suspend operations at Namibian Rosh Pinah Mine The Rosh Pinah underground zinclead mine and 2,000 tonne per day milling operation is located in southwestern Namibia, approximately 800 km south of Windhoek and 20 km north of the Orange River, at the edge of the Namib DesertOperations Rosh Pinah Mine, Trevali Mining

Major Mines Projects Atacocha Mine

The Atacocha Mining Unit is a polymetallic underground mine It produces zinc, lead and copper concentrates, with contents of gold and silver, through a mineral flotation process in the concentrator plant, which has an installed capacity of 4,500 tpd

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