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Rio Tinto to close Australian alumina refinery | Financial ...

Nov 29, 2013 · Rio Tinto is to shut an alumina refinery in Australia in a sign of the prolonged tough conditions facing the aluminium industry. The economics of .

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Almatis closes on Louisiana alumina refinery purchase | S ...

Almatis Inc. has closed on the $39.5 million purchase of bankrupt Ormet Corp.'s 540,000 mt/year Burnside alumina refinery in Louisiana, a strategic move that provides Almatis with its own feedstock for the production of premium alumina products, the company said Friday.

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Alcoa to close Suralco refinery in Suriname - Reuters

Jan 03, 2017 · (Reuters) - Alcoa Corp said it would permanently close its Suralco alumina refinery and bauxite mines in Suriname, more than a year after stopping production at the plant. The company said on ...

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Bauxite Mining and Alumina Refining: Process Description ...

Bauxite mining and alumina refining are the upstream operations of primary aluminum production. This review article describes the industrial processes of bauxite mining and alumina refining and outlines the physical, chemical, biological, ergonomic, and psychosocial health risks.

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Global Operations - Alumina Limited

In January 2017 it was announced that AWAC intends to permanently close the Suralco alumina refinery and bauxite mines in Suriname, fully curtailed since November 2015. Suralco was a 2.2 million tonnes-per-annum alumina refinery at Paranam sources bauxite from the Moengo mine.

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Turmoil Looms for Aluminum Again as Key Plant Shuts Down

Oct 03, 2018 · Norsk Hydro ASA said it will temporarily close the Alunorte alumina refinery in Brazil because the only area it can use for waste processing is already close to .

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Al Taweelah alumina refinery milestone - YouTube

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May 07, 2018 · Construction has been completed on the calcination process facility of our Al Taweelah alumina refinery, the UAE's first, after more than 2.4 million hours of work. Learn more: https:// ...

Alumina: Filtration in the alumina production process ...

Naturally, there is a certain advantage to refining alumina close to the bauxite mining activity, since the red mud can be used to back-fill the mine. However, it is important that the quantity of caustic in the mud is minimised and that the disposal area is sealed to prevent leaching of .

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Alcoa -- Alumina

We are the world's leading producer of alumina. With installed refinery capacity of 17 million metric tons per year, we currently operate six refineries in Australia, Brazil and Spain, and have a 25 percent share in the refinery that is part of our Ma'aden joint venture in Saudi Arabia.

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ALCOA ALUMINUM PRODUCTION EDUCATIONAL FILMS BAUXITE .

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Jun 19, 2017 · This series of three films produced by ALCOA to educate the public about the aluminum industry focuses on the production of aluminum. The films discus Bauxite mining, refining, smelting, and delivery.

Alcoa Corporation to Permanently Close Suralco Refinery

Company to impair gas exploration assets in Western Australia;No significant fourth quarter financial impact from power outage at Portland Aluminum smelterNEW YORK--(BUSINESS WIRE)-- Alcoa Corporation (NYSE: AA) today announced that it intends to permanently close the Suralco alumina refinery and bauxite mines in

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Burnside alumina refinery | Wood Mackenzie

Nov 29, 2016 · Search Close. Search label Search Asset Report Burnside alumina refinery 29 November 2016. Get this report. $2,250. You can pay by card or invoice. Add to cart Share link Contact us about this report Close Contact us. Submit your details to receive further information about this report. ...

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Norsk Hydro To Close Alunorte Alumina Refinery

The global alumina landscape is likely facing radical changes in the very near future after Norsk Hydro ASA announced the full closure of the world's biggest alumina refinery in Brazil on Wednesday. The company says the decision to fully curtail operations at Alunorte was prompted by the fact that the bauxite residue deposit area 1 [.]

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China to actively import alumina after Xinfa refinery ...

China will actively seek to import more alumina in the coming months to cover a shortage after the shutdown of the Xinfa alumina refinery in early May, market sources said Tuesday, with inflows ...

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Alcoa Corporation to Permanently Close Suralco Refinery ...

Jan 03, 2017 · NEW YORK--(BUSINESS WIRE)--Alcoa Corporation (NYSE: AA) today announced that it intends to permanently close the Suralco alumina refinery and bauxite mines in Suriname, fully curtailed since November 2015.The Government of the Republic of Suriname and Alcoa continue to develop definitive agreements concerning Suralco's remaining activities in the country and the future of the .

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Alumina and South32 soar after shutdown of Alunorte ...

Oct 04, 2018 · Local mining stocks have soared as the world's largest alumina refinery shut down its production indefinitely, after running at a reduced capacity .

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Vedanta to close alumina refinery in Odisha | India News ...

Vedanta to close alumina refinery in Odisha Bhubaneswar, Dec 4 : Vedanta Aluminium Limited (VAL) Tuesday said it was shutting down its alumina refinery in Odisha from Wednesday due to shortage of ...

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Alumina: Filtration in the alumina production process ...

Naturally, there is a certain advantage to refining alumina close to the bauxite mining activity, since the red mud can be used to back-fill the mine. However, it is important that the quantity of caustic in the mud is minimised and that the disposal area is sealed to prevent leaching of .

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Alumina refinery and aluminium smelter incentive price ...

Mar 21, 2019 · Alumina refinery and aluminium smelter incentive price update - 2019 Report summary Wood Mackenzie routinely reassesses the long run alumina and aluminium incentive prices, which are the minimum prices needed to make investment in new refinery or smelter capacity economically viable.

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Health Risk Assessments for Alumina Refineries

May 08, 2014 · The results of HRAs at alumina refineries to date suggest that of the three types of health risks, acute, chronic and carcinogenic, only the risk of acute health effects is of any practical relevance. The AHI can exceed 1 close to refineries, but is .

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Alcoa Corporation to Permanently Close Suralco Refinery

Company to impair gas exploration assets in Western Australia;No significant fourth quarter financial impact from power outage at Portland Aluminum smelterNEW YORK--(BUSINESS WIRE)-- Alcoa Corporation (NYSE: AA) today announced that it intends to permanently close the Suralco alumina refinery and bauxite mines in

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