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AL Circle Private Limited | CIN: U72200WB2017PTC221175

Registered Office: Ecospace Business Park, Block 3A, Unit 401A, New Town, Rajarhat, Kolkata, WB 700160

Corporate Office: Ecospace Business Park, Block 3A, Unit 401A, New Town, Rajarhat, Kolkata, WB 700160

© 2026 AL Circle. All rights reserved. AL Circle is not responsible for content from external sources.

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Carbonation curing could extend the field life of red mud-based backfill, new study suggests
09 SEPT 20269MINS
Alumina

Carbonation curing could extend the field life of red mud-based backfill, new study suggests

Chinese researchers show that a few extra hours of CO2 curing can roughly double the wet-dry service life of red mud–CFB ash–MgO backfill, while keeping leaching of hazardous elements low even after weeks of exposure to alkaline red mud liquor. Red mud remains one of the aluminium industry’s...

From black shale to smelter feed: CEM advances North American alumina supply chain
09 SEPT 20263MINS
Alumina

From black shale to smelter feed: CEM advances North American alumina supply chain

Canadian Energy Metals has demonstrated a process for producing smelter-grade alumina from Saskatchewan black shale and has started a prefeasibility study for its Thor Project. Canadian Energy Metals Corp. (CEM) has taken a step towards developing an alternative North American source of alumina...

08 SEPT 20264MINS
Alumina

WEEKLY: China alumina extends losses on capacity overhang, even as basis trade lifts physical offtake

China's domestic spot alumina prices continued their gradual downward trend last week, with sporadic discounted transactions emerging in the market, based on Mysteel's survey. The pressure was partly contributed by the persistent expectation of fresh supply coming online in southern China, leaving...


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Consecutive sanctions on Aughinish Alumina refinery put Limerick community in dismay; 500 jobs at risk
21 MAR 20225MINS

Consecutive sanctions on Aughinish Alumina refinery put Limerick community in dismay; 500 jobs at risk

Built between1979-1983, Russian aluminium giant Rusal owned Aughinish Alumina refinery is facing decline both with import and export items, causing extreme fear among the North Kerry County Community, in Ireland. Aughinish Alumina is the largest alumina refinery in Europe and the largest of the...

Australia prohibits the export of alumina and bauxite to Russia
20 MAR 20222MINS

Australia prohibits the export of alumina and bauxite to Russia

The Government of Australia, led by Prime Minister Scott Morrison has prohibited sale to Russia for alumina, bauxite and other commodities used as raw materials in the production of aluminium in retaliation to Russia’s invasion of Ukraine. On 20 th March 2022, Morrison also declared that Australia...

Deripaska’s addition to Australian sanction list signifies more hardship for Rusal
18 MAR 20222MINS

Deripaska’s addition to Australian sanction list signifies more hardship for Rusal

The government of Australia has sanctioned Russian oligarch Oleg Deripaska with business interests in Australia, following initially getting them off of Australia's official sanctions list. Oleg Deripaska was the President and controlling shareholder of En+ Group and the Russian aluminium giant...

Imported alumina price in China gains RMB15/t after an intermittent fall; Domestic A00 aluminium ingot price grows to RMB21770/t
16 MAR 20222MINS

Imported alumina price in China gains RMB15/t after an intermittent fall; Domestic A00 aluminium ingot price grows to RMB21770/t

The average alumina spot price in China has dipped by RMB 10 per tonne on Wednesday, March 16, to stand at RMB 2,964 per tonne, found the Shanghai Metals Market. In Shandong, alumina price has decreased by RMB 25 per tonne to come in at RMB 2,910 per tonne, while the price in Shanxi has dropped by...

Rio Tinto plans to adopt renewable hydrogen for decarbonizing alumina refining
15 MAR 20224MINS

Rio Tinto plans to adopt renewable hydrogen for decarbonizing alumina refining

The Australian Renewable Energy Agency (ARENA) has awarded up to $579,786 in funding to Rio Tinto on behalf of the Australian government to conduct a feasibility study looking at the possibility of partially decarbonizing its alumina refining processes using renewable hydrogen. Natural gas is used...

Alumina Weekly Recap: Rio Tinto assures to detach all bonds with Russian firms, QAL agreement under scanner; Hydro puts a new electric boiler at Alunorte alumina refinery
12 MAR 20224MINS

Alumina Weekly Recap: Rio Tinto assures to detach all bonds with Russian firms, QAL agreement under scanner; Hydro puts a new electric boiler at Alunorte alumina refinery

The week had been a quite eventful one, owing to the ongoing Russia-Ukraine conflict. As a knock-on effect from the war, a lot of changes had been taking place in the alumina industry. To begin with, Irish government has been petitioned to prohibit all Russia ships from entering the Irish...

Rusal founder oligarch Oleg Deripaska named on UK sanctions list
11 MAR 20221MINS

Rusal founder oligarch Oleg Deripaska named on UK sanctions list

The Russian billionaire industrialist and oligarch Oleg Deripaska, the founder of Russian aluminium giant Rusal and his company, which owns the largest alumina refinery of Europe, Auginish Alumina in Limerick has been sanctioned by the UK government. The sanctions undertake an asset freeze, a...

Hydro puts a new electric boiler into operation at Alunorte alumina refinery
11 MAR 20222MINS

Hydro puts a new electric boiler into operation at Alunorte alumina refinery

As part of the commitment to become carbon neutral by 2050, Hydro has reportedly brought in a change in the use of energy by inaugurating the operation of a new electric boiler, equipped with more modern technology and greater capacity, at its Alunorte alumina refinery. The boiler will be able to...

US alumina imports record a quarterly rise of 22% to 411000 tonnes in 4Q2021, but imports in H2 reflect a 6.5% fall
11 MAR 20222MINS

US alumina imports record a quarterly rise of 22% to 411000 tonnes in 4Q2021, but imports in H2 reflect a 6.5% fall

The United States alumina imports in the fourth quarter of 2021 recorded a Q-o-Q rise of 22.32 per cent to 411,000 tonnes, unlike bauxite imports which fell during the said period by 11 per cent, found the USGS data. In Q3 2021, the United States imported 336,000 tonnes of alumina, which was,...

Alumina production in China sees a dent in February 2022 as a result of new Covid cases in Guangxi
10 MAR 20222MINS

Alumina production in China sees a dent in February 2022 as a result of new Covid cases in Guangxi

According to the Shanghai Metals Market, alumina production in China during February 2022 (28 calendar days) stood at 5.47 million tonnes versus 6.5 million tonnes in January (31 calendar days). That reflected a downfall of 15.85 per cent month-on-month. The output of metallurgical-grade alumina...

Global mining giant Rio Tinto assures to detach all bonds with Russian firms, QAL agreement under scanner
10 MAR 20222MINS

Global mining giant Rio Tinto assures to detach all bonds with Russian firms, QAL agreement under scanner

The world's second-largest metals and mining company, Rio Tinto, has initiated a crucial review of its partnership agreement with Rusal, the Russian aluminium giant for Queensland venture as it looks to cut off all business cords with Russia due to its invasion in Ukraine. On 10 th March 2022, Rio...

Alumina production in South America records M-o-M fall of 1% to 995,000t in Jan’22; Output in North America slips by 2%
09 MAR 20222MINS

Alumina production in South America records M-o-M fall of 1% to 995,000t in Jan’22; Output in North America slips by 2%

In South America, alumina production in January 2022 stood at 995,000 tonnes, reflecting a month-on-month downfall of 9,000 tonnes or 0.90 per cent, found the International Aluminium Institute data. In December 2021, alumina output stood in South America came in at 1,004,000 tonnes, up by 6.24 per...

Altech Chemicals joins hand with Bedford Row Capital Plc for its HPA plant funding
09 MAR 20223MINS

Altech Chemicals joins hand with Bedford Row Capital Plc for its HPA plant funding

On Tuesday, March 8, Altech Chemicals Limited, a speciality aluminium technology and production company stated that they have started working on its proposed US$144 million listed green bond offering. For this, they have joined hands with UK-based structuring agent Bedford Row Capital Plc and...

Glencore to provide alumina to Aluminium Dunkerque in return of aluminium
08 MAR 20222MINS

Glencore to provide alumina to Aluminium Dunkerque in return of aluminium

On Monday, March 7, Glencore, a multinational commodity trading and mining company has decided to supply alumina to Aluminium Dunkerque, in return for which the former will be selling a portion of its aluminium output to the latter. This decision has been taken in regards to the Russia-Ukraine...

Appeal to embargo all Russian ships from Irish territorial waters following Aughinish alumina load discard
06 MAR 20221MINS

Appeal to embargo all Russian ships from Irish territorial waters following Aughinish alumina load discard

The Ireland government has been petitioned to disallow all Russian ships to enter Irish territorial waters following a Russian cargo ship rejected its strive to collect a bulk load of alumina produced at the Rusal owned Aughinish Alumina refinery near Askeaton on 2 nd February 2022. According to...

Alumina Weekly Recap: Rusal suspends alumina shipments from its Nikolaev refinery in Ukraine; World alumina production dips by 0.46% YoY to 11.569 million tonnes
05 MAR 20223MINS

Alumina Weekly Recap: Rusal suspends alumina shipments from its Nikolaev refinery in Ukraine; World alumina production dips by 0.46% YoY to 11.569 million tonnes

The increased number of sanctions due to the Russia-Ukraine conflict has sent shockwaves across the metal industry, including the alumina industry. As a result of which, Russian aluminium producer Rusal ceased alumina export from its Nikoleav refinery in Ukraine, resulting in increased supply...

Alumina production in Europe (incl. Russia) records a dip of 3,000 tonnes M-o-M in January 22
04 MAR 20221MINS

Alumina production in Europe (incl. Russia) records a dip of 3,000 tonnes M-o-M in January 22

In January 2022, alumina production in Europe (incl. Russia) recorded a downfall of 3,000 tonnes or 0.34 per cent month-on-month to stand at 885,000 tonnes, found the International Aluminium Institute. In December 2021, alumina output in Europe amounted to 888,000 tonnes, up by 50,000 tonnes from...

China’s alumina price declines for the eighth day in a row to RMB2981/t; A00 aluminium ingot price shrinks by RMB100/t on inventory rise
04 MAR 20222MINS

China’s alumina price declines for the eighth day in a row to RMB2981/t; A00 aluminium ingot price shrinks by RMB100/t on inventory rise

According to the Shanghai Metals Market, the average alumina spot price in China has continued to decline by RMB 39 per tonne to stand at RMB 2,981 per tonne on Friday, March 4. This marks the eighth consecutive day of fall since February 22. In Henan, alumina spot price has slipped by RMB 45 per...

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