Operations

The Ok Tedi mine is an open-cut copper, gold and silver mine located at Mt. Fubilan in the Western Province of Papua New Guinea. Up to 240 thousand tonnes of overburden (waste rock) is mined each day from a pit covering about 2.6 square kilometres. In addition, about 60 thousand tonnes of ore is mined each day and delivered to the mill for ...

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Increasing fine copper recovery at the Ok Tedi

Results from plant trials of sulphidisation on a variety of porphyry sulphide ore blends are discussed. The size-by-size copper recovery in the Ok Tedi concentrator with and …

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Ok Tedi eyeing extension of mine life to 2050

The Ok Tedi mine at Mount Fubilan in Western Province is PNG's longest-running mine, having produced more than 5.2 million tonnes of copper, 15.9 million ounces (oz) of gold and 36 million oz of silver since beginning commercial operations in 1984. ... Papua New Guinea's mining and gas project pipeline starts to flow. After a decade focused ...

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Geomorphology, Hydrology, and Climate of the Fly River …

Impacts assumed to be very local to the mine area only (e.g. Jenkins, 2016;Salomons and Eagle, 1990) and not reaching down the entire Fly River systemyet the onset of RMWD ensured extensive ...

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INTRODUCTION TO MINERAL PROCESSING …

Flow sheet Design: Diagrammatic representation of the requirements specified in the design criteria on how will be executed 3. Process Plant Simulation: Is the simulation of the designed plant using a computer software model-based …

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Investigation of the reasons for copper and gold loss in the …

Ok Tedi Mining Limited generates a copper and gold concentrate from its porphyry and skarn ore deposits located at Mt. Fublian, Western Province, PNG. The predominant porphyry ore-type is blended with high grade skarn ores to optimize copper and gold feed grades to the concentrator. Current operation (2003) is to blend 80% porphyry with 20% ...

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Ok Tedi Apprenticeship Training 2025

Ok Tedi is a business focussed on the safe and profitable development of its ore reserves for the benefit of the people of PNG. Ok Tedi recognises and respects the environment and the communities within which Ok Tedi operates. ... Review and approve drawings including flow sheets, isos, layouts, etc. and vendor submittals; Prepare procedures ...

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Name already in use

sbm copper regrinding mill circuit flow sheetok tedi concentration flow sheet Grinding Mill China ok tedi concentration flow sheet [ 4.7 9471 Ratings ] The Gulin product line,cons

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(PDF) Assessment and prediction of the impacts of …

The Ok Tedi copper mine currently discharges overburden and partially treated ore residues into the Ok Tedi, a major tributary of the Fly River. At peak production these discharges will result in ...

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Geomorphology, Hydrology, and Climate of the Fly River …

The Fly basin has a humid tropical climate. Average rainfall varies with elevation (Moi et al., 2001).Falls in excess of 10,000 mm/year occur at the Ok Tedi mine site (1,500–2,000 m), declining to about 8,000 mm/year along the upper and middle Ok Tedi.Further decreases occur downstream with values of 5,250 mm/year being recorded at Kuambit just downstream …

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COMPARING PREDICTED DEPOSIT VELOCITIES WITH …

Ok Tedi The Ok Tedi pipeline transports copper concentrate from the Ok Tedi mine, at an elevation of 1540 m in the mountains of Papua New Guinea, 155 km to Kiunga, a port on the Fly River, from where it is filtered and dried then barged down the river, 740 river kilometres to the Gulf of Papua. The pipeline is unlined.

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(PDF) Ok Tedi copper mine, Papua New Guinea, …

Fish populations utilised by riparian populations along the Fly River, Papua New Guinea (PNG), downstream of the Ok Tedi gold and copper mine have markedly declined in species richness (between 21 ...

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Dissolved Copper Concentrations

Ok Tedi Mining Limited monitors dissolved copper concentrations in the rivers around Ok Tedi Mine to ensure they are within safe levels.

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Ok Tedi environmental disaster

The Ok Tedi environmental disaster caused severe harm to the environment along 1,000 km (620 mi) of the Ok Tedi River and the Fly River in the Western Province of Papua New Guinea from 1984 to 2013, with the damage still ongoing. The lives of 50,000 people have been disrupted by the disaster. One of the worst environmental disasters caused by humans, it is a consequence …

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Probabilistic risk assessment of mine-derived copper in the Ok Tedi…

The Ok Tedi mine discharges waste rock and tailings into the Ok Tedi River in Papua New Guinea. This has resulted in elevated copper concentrations throughout the Ok Tedi/Fly River system, which ...

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Mining & Processing

Ore is mined and processed at an onsite flotation processing plant capable of treating up to 24 million tonnes per annum (Mtpa). The plant currently recovers copper, gold and silver into a …

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Mineral Processing Flowsheets

The Mineral Processing Flowsheets shown on the following pages are based on actual data obtained from successful operating plants. Metallurgical data are shown in these flowsheets which incorporate Crushers, Grinding Mills, Flotation Machines, Unit Flotation Cells, and Selective Mineral Jigs as well as other standard milling equipment. The Flotation Machine, …

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OK Tedi PAD Training 2025, Tabubil

Ok Tedi recognises and respects the environment and the communities within which Ok Tedi operates. Since 1989, Ok Tedi Mining Limited (OTML) has been shaping talented local youth into skilled professionals across various trades and office roles. Our comprehensive three-year program integrates cutting-edge technology and industry-leading practices.

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References on time of concentration with respect to …

References on time of concentration with respect to sheet flow William Merkel, Hydraulic Engineer USDA, NRCS, National Water and Climate Center Beltsville, MD December 17, 2001 ... Oklahoma, has included a study of low flows. These were conducted in flat-bottomed channels 3 feet wide and 96 feet long, with a bed slope of 5 percent. ...

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Ok Tedi Tailings Dredging

Tailings Dredging at Ok Tedi Mine Dredge Nu Explorer was specifically built to enable simple and cost effective transport to the most remote locations. Able to fit into two standard 40 foot open top containers, Nu Explorer was dispatched to the Ok Tedi mine, situated at an elevation of 1700m in the remote Western Highlands of PNG.

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Processing Copper-Gold Ore at Ok Tedi

This paper describes the metallurgical processes at the 80 000tpd Ok Tedi Mining Limited concentrator, which treats copper- gold ore by single-stage crushing, SAG and ball milling and …

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OK TEDI MINING LIMITED ANNUAL REVIEW 2017

Ok Tedi River Binge River Bituri River Strickland River REGION MAP KEY CONTENTS Highlights 2017 2 Company Profile 4 Mission, Vision & the Ok Tedi Way 6 ... PGK 784 M (USD 246 M) free cash flow PGK 380 M (USD 119 M) dividend paid STRENGTHENED FINANCIAL POSITION – debt free with PGK 581 M (USD 180 M) in cash reserves CASH COSTS IN FIRST

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Ok Tedi Mine

The Ok Tedi Mine is an openpit copper and gold mine in Papua New Guinea located near the headwaters of the Ok Tedi River, in the Star Mountains Rural LLG of the North Fly District of the Western Province of Papua New Guinea. Discharges from the mine have caused widespread and diverse harm, both env. Alchetron

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Increasing fine copper recovery at the Ok Tedi

Printed in Great Britain 0892-6875/98 $19.00+0.00 INCREASING FINE COPPER RECOVERY AT THE OK TEDI CONCENTRATOR, PAPUA NEW GUINEA D. ORWE~, S.R. GRANOt, and D.W. LAUDER~ Ok Tedi Mining Limited, P.O. Box 1, Tabubil, Western Province, Papua New Guinea I" Ian Wark Research Institute, University of South Australia, Adelaide …

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Effective inrush hazard management through the implementation of an Inrush Management Plan (or similar) is key to preventing injuries due to unplanned airblast, mud flow or inundation with …

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Chapter 3 Time of Concentration and Time of …

uniform flow, (2) constant intensity of rainfall excess (that part of a rain available for runoff), (3) rainfall duration of 24 hours, and (4) minor effect of infiltra-tion on travel time. Rainfall depth can be obtained from appendix B. Shallow concentrated flow After a maximum of 300 feet, sheet flow usually be-comes shallow concentrated flow.

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Ok TEDI mInIng lImITED AnnuAl REvIEw 2012

2 Ok Tedi Mining Limited Annual Review 2012 rEpOrT STruCTurE aNd highligh TS rEupOrT STr CTurE aNd highlighTS Our KEy arEaS Of fOCuS WhaT WE Said WE WOuld dO Our prOgrESS iN 2012 ObjECTivES fOr 2013 gOvErNaNCE Demonstrating strong and transparent Governance. • Review, update, and release Corporate Policies and practices.

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Whole-Rock Analyses of Ok Tedi Intrusive Rocks

The Ok Tedi copper-gold mine in Western Province, Papua New Guinea, is situated in the western part of the Ok Tedi Complex where monzodiorite to quartz monzonite intrusions are associated with ...

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Ok Tedi Mine, Oceania

The OK Tedi Mine is an open cut copper operation located in Papua New Guinea, close to the headwaters of the OK Tedi River. Discovered in 1968, the mine is operated by Ok Tedi Mining Limited (OTML), a wholly owned …

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2013 Final industrial training report -Ronald rom

Ore processing at OK Tedi consists of six stages: crushing, grinding, copper flotation, concentrate thickening, concentrate slurry transport and final thickening and filtration. The Mill department …

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OK Tedi mine is not in massive corporate debt

Contrary to recent claims, Ok Tedi Mining Limited ("OTML") has not amassed K800 million in corporate debt. This is according to Minster for State Enterprises, William Duma said in response to a statement by the Member for Ialibu-Pangia Peter O'Neill, MP alleging that OTML had incurred a massive debt to support the Government as a 'milking cow' for Prime Minister …

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Ok Tedi resumes normal production

Ok Tedi Mining Limited (OTML) today announced that it has returned to normal production after the second of the two processing circuits which were damaged in a fire incident on the 20th of December 2020 was restored over the weekend. …

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Ok Tedi has moved from 'death row' to a 'sweet spot', says …

Graham said in 2017 Ok Tedi averaged $2.79 a pound from its copper production. This year, he expects the price to be between US$3 and US$3.20 a pound, and then trading at US$3.40-50 between 2019 and 2025. 'In 2013, Ok Tedi was at the 99 th percentile and on death row. Today, we are at the 12 th percentile.'

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