Method Of Extracting Ore Dressing At Ok Tedi

Mining & Processing Ok Tedi Mining Limited

Ok Tedi Mining Limited (OTML) operates the Ok Tedi Mine, the longest running open-pit copper, gold and silver mine in Papua New Guinea. Our registered office is located in Tabubil, Western Province, PNG. We also have a representative office in Port Moresby, PNG and a

method of extracting ore dressing at ok tedi

method of extracting ore dressing at ok tedi; mobil gold cyanide extraction . TheCopper extraction refers to the methods used to obtaining . As in all mining . . what are the three main copper minerals of ok tedi mining; Get Price And Support Online; Ok Tedi Mine. The Ok Tedi Mine is an openpit copper and gold . it began exploiting the gold cap

Increasing fine copper recovery at the Ok Tedi

Feb 01, 1998· This paper describes laboratory and plant based investigations on methods to increase fine copper recovery during flotation treatment of Ok Tedi porphyry sulphide ores. Currently the Ok Tedi concentrator treats a mixed porphyry/skarn ore blend, which is ground to a d 80 of 180 μm with flotation carried out using a dithiophosphate

Ok Tedi Mine, Oceania Mining Technology Mining News

Dec 30, 2020· Mining activity at OK Tedi is performed on a continuous basis throughout the year, producing approximately 78,000t of ore and 80,000t of overburden. Open pit methods including drilling and blasting are employed. The blasted rock, excavated along 15m high pit benches, are loaded into haul trucks using three large 3 RH 200 O&K hydraulic shovels.

A PULP-CHEMICAL STUDY OF SKARN ORE FEED BLENDS AT

Oxide skarn ore is virtually depleted. However, oxide skarn was included in feed blends of reported surveys. THE CONCENTRATOR The Ok Tedi concentrator is located approximately one kilometre from the mine and consists of two parallel grinding and flotation circuits in mirror image. Modules 1 and 2 process ore at approximately 15 MTPA (2000 tph

A PULP-CHEMICAL STUDY OF SKARN ORE FEED BLENDS AT THE

Parallel metallurgical and pulp chemical surveys have been performed at Ok Tedi Mining Ltd (Papua New Guinea) for skarn ore feed blends. Metallurgical results showed a variation in recovery at

Mineralogical and Metallurgical Examination of

4. Ok Tedi Mining Ltd, Mill Metallurgy, PO Box 1, Tabubil, Papua New Guinea. form a significant part of the roles of the mine geology and mill metallurgy departments for the remainder of the mine life. The fluorine problem at Ok Tedi is related to the development of skarn mineralisation in the ore deposit. In brief, the skarn ores

Ok Tedi Mine Wikipedia

The Ok Tedi Mine is an open-pit 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.. The mine is operated by Ok Tedi Mining Limited (OTML), which is majority-owned by the PNG Sustainable Development Program Limited (PNGSDPL).

Operations Ok Tedi Mining Limited

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. Approximately 240 thousand tonnes of overburden (waste rock) is mined each day from a pit covering about 2.6 square kilometres.

Ok Tedi Mine Wikipedia

The Ok Tedi Mine is an open-pit 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.. The mine is operated by Ok Tedi Mining Limited (OTML), which is majority-owned by the PNG Sustainable Development Program Limited (PNGSDPL).

A PULP-CHEMICAL STUDY OF SKARN ORE FEED BLENDS AT THE OK

Parallel metallurgical and pulp chemical surveys have been performed at Ok Tedi Mining Ltd (Papua New Guinea) for skarn ore feed blends. Metallurgical results showed a variation in recovery at

Community development in Ok Tedi, Papua New Guinea: the

Emma Gilberthorpe is a social anthropologist currently lecturing in the School of International Development at the University of East Anglia, UK. She has conducted research in Papua New Guinea for the past 13 years, in the mining region of Ok Tedi and with people affected by large-scale oil extraction

OK TEDI COPPER SOCIAL IMPACT OF THE OK TEDI MINE ON

Author’s Note This report was written for Unisearch, PNG Pty Ltd under contract to Ok Tedi Mining Limited. It was originally produced as Volume No. 5 of the Ok-Fly Social Monitoring Programme. So much has been written about the Ok Tedi Mine, located in the Star Mountains of Western Province, that only a brief introduction is necessary. Managed by Ok Tedi Mining Limited (OTML) on behalf of an

tjapesblog13: Mining: OK Tedi Mine

Jan 11, 2016· Throughout the year, over 78,000 tons of ore is extracted from the OK Tedi mine, while approximately 80,000 tons of waste is produced and dumped away from the pit of the mine. By working with an open pit, mine workers use blasting and drilling methods to extract the ore.

process of mining fluorine

The occurrence of fluorine in the copper/gold concentrates produced by Ok Tedi Mining Limited has provided a series of challenges to metallurgists since 1988 Although fluorine is distributed throughout the gangue minerals contained within Ok Tedi ores its' presence in talc and phlogopite (naturally floating fluorosilicates) has proven to be the

Mine Waste Management: Mine Waste Management

The Ok Tedi Copper and Gold Mine at the Mt.Fubilan, Tabubil in the Western Province discharges its tailings into the Ok Tedi River System. Amalgamation is a method of extracting a precious metal from an ore by using mercury to form an amalgam Heap Leaching is one of the various mining techniques to extract gold from the ore of

Social Impact of the Ok Tedi Mine

rock and ore process wastes into the upper Ok Tedi at the mine site. While a few of their villages are situated inland and away from the river, and others are located on the Fly River upstream of the D’Albertis Junction, most Yonggom villages are in close proximity to the Ok Tedi River, which now carries a greatly increased sediment load.

Mine Waste Management: Mine Pollution

Cyanidation is a process for extracting gold or silver from ore by treating the ore with a weak solution of sodium cyanide and recovering the metal particles from the resulting solution. Amalgamation is a method of extracting a precious metal from an ore by using mercury to form an amalgam (an alloy of mercury and another metal) with

Mining in Papua New Guinea Wikipedia

The country produced 202,277 t of copper in 2003 compared to 211,315 in 2002, all of which was produced by the Ok Tedi Mine the most active mine in the country. The mine reported that 29.32 Mt of ore was mined (approximately 240,000 t/d material moved) and 29.26 Mt milled (77,000 t/d) with a head grade of 0.78% Cu and 0.8 g/t Au.

Mining & Extraction Global Forest Atlas

Acid mine drainage methods, and tailings pools, which hold mine waste products such as sediments and minerals, present further risks. The release of such waste has disastrous consequences, as exemplified by the collapse of the tailings dam of Ok Tedi mine in Papua New Guinea in 1984, which resulted in the deposition of copper-heavy waste over

(PDF) Failing the Reputation Management Test: The Case of

1981 Ok Tedi Mining Limited formed, BHP 37.5%; the mine has its own legislation. The first major critical study of the min e is published. 1983– 1986 Work on tailings dam starts and it fails.

extraction process of gold equipment

Gold Processing Methods & Gold Ore Extraction. 2020-8-5 · Of all the methods of extracting gold & processing it from its ore, I used a few to evaluate two principal flowsheets in this case study. The flowsheets utilized operations that involved flotation, cyanidation and gravity concentration.

Copper Mining & Extraction Process Flow Chart

This flowchart made of machinery icons explains or expresses in simple but clear terms the step of the Copper Mining and Copper Extraction Process. Starting from either open-pit or underground mining and using a different relevant treatment method for oxide or sulphide copper mineral (ore). Having a quick look now at how porphyry ores are treated and the metals extracted. There are two main

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