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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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Alumina ship unloader installed by Siwertell at Trimet France
24 AUG 20223MINS

Alumina ship unloader installed by Siwertell at Trimet France

Trimet France, a subsidiary of Germany-based Trimet Aluminium SE, has leased its older ship unloading device, replacing it with a high-tech Siwertell road-mobile unloader. This will enhance the company’s alumina unloading capacity along the regional ports, lessening the time each vessel spends in...

Jamalco alumina refinery operation resumption is expected to cheer up Jamaica’s economic growth
23 AUG 20222MINS

Jamalco alumina refinery operation resumption is expected to cheer up Jamaica’s economic growth

Domestic alumina production recovery in Jamaica is expected to counterpoise the slowdown in economic growth for the financial year 2022-23, caused by the country’s one of the main alumina refineries suspension. The Bank of Jamaica is projecting GDP growth of 2.5-4.5 per cent for the fiscal year...

Bank of Jamaica forecasts growth within the range of 2.5%-4.5%; Jamalco's alumina production taken into consideration
22 AUG 20222MINS

Bank of Jamaica forecasts growth within the range of 2.5%-4.5%; Jamalco's alumina production taken into consideration

The Bank of Jamaica, the country's central bank located in Kingston, is projecting 2022/23 fiscal year growth to be between 2.5 per cent and 4.5 per cent. While speaking at BOJ's digital quarterly briefing, Richard Byles, the Governor, said," Growth is also expected to range between one and three...

Alumina spot price loses RMB5/t to start the week at RMB2953/t; but A00 aluminium ingot price edges up to cross RMB18500/t
22 AUG 20223MINS

Alumina spot price loses RMB5/t to start the week at RMB2953/t; but A00 aluminium ingot price edges up to cross RMB18500/t

The average alumina spot price in China has again recorded a drop of RMB 5 per tonne on Monday, August 22, after an intermittent restraint on Friday, August 19, found the Shanghai Metals Market. The decline today has brought the alumina spot price to RMB 2,953 per tonne. In Shandong and Shanxi,...

GACL-NALCO Alkalies JV consigns 1300 MT of caustic soda
21 AUG 20221MINS

GACL-NALCO Alkalies JV consigns 1300 MT of caustic soda

GNAL, a joint venture company between Gujarat Alkalies and Chemicals Ltd (GACL) and National Aluminium Company Limited (NALCO), was formed to build an 800 TPD (tonnes per day) caustic soda facility at Dahej, Gujrat, along with a 130 MW captive power plant. It was announced that GNAL shipped 1,300...

Alumina spot price in China dips by RMB3/t to stand at RMB2956/t; A00 aluminium ingot price plummets by RMB440/t
15 AUG 20222MINS

Alumina spot price in China dips by RMB3/t to stand at RMB2956/t; A00 aluminium ingot price plummets by RMB440/t

The average alumina spot price in China has further dropped over the weekend by RMB 3 per tonne to stand at RMB 2,956 per tonne as of Monday, August 15, found the Shanghai Metals Market. In Shandong, alumina price has plunged by RMB 20 per tonne to start the week at RMB 2,950 per tonne, with...

Adani Group to invest $5 billion in Odisha to set up an alumina refinery
11 AUG 20222MINS

Adani Group to invest $5 billion in Odisha to set up an alumina refinery

The Indian multinational conglomerate, Adani Group, which already operates ports, airstrips, mining development and gas distribution businesses in Odisha, has received approval from the state government for building an alumina refinery. As a result of the high-level clearance authority (HLCA) led...

China’s July alumina output grows 3% M-o-M to 6.94 Mt but daily production dips by 800 tonnes
10 AUG 20222MINS

China’s July alumina output grows 3% M-o-M to 6.94 Mt but daily production dips by 800 tonnes

In July 2022 (31 calendar days), China produced 6.94 million tonnes of metallurgical-grade alumina, which increased by 2.97 per cent month-on-month and 14.11 per cent over a year. But the daily average output in the same month stood slightly down by 0.36 per cent or 800 tonnes from 224,700 tonnes...

South32 wishes to expand existing alumina refinery in Worsley focusing on more bauxite mining
08 AUG 20222MINS

South32 wishes to expand existing alumina refinery in Worsley focusing on more bauxite mining

The Western Australian Environmental Protection Authority (EPA) has allotted two weeks for the stakeholders and community groups to take a decisive step in ensuring South32’s proposed expansion at its Worsley alumina unit. South32 has extensive plans, including the creation of a bauxite transport...

Altech Chemicals reports to be in good shape with renewal of EPC contract and finances
08 AUG 20222MINS

Altech Chemicals reports to be in good shape with renewal of EPC contract and finances

Altech Chemicals Limited, one of the world’s leading suppliers of 99 per cent (4N) high purity alumina (HPA), has reported the updates on its Malaysian high purity alumina (HPA) project, highlighting KfW IPEX-Bank continues to render full support to the project and German government export credit...

Rio Tinto receives quotations to build 4GW wind and solar farm in Queensland aiding Australian refineries
05 AUG 20222MINS

Rio Tinto receives quotations to build 4GW wind and solar farm in Queensland aiding Australian refineries

Anglo-Australian mining group Rio Tinto stands as a recipient of various offers that are being made to construct wind and solar farms producing 4 gigawatts of energy to run its alumina and aluminium activities in Australia's Queensland region, as was declared by the company's Australia division...

Alumina production in South America contracts M-o-M to 901,000 tonnes in June’22; output in North America hikes by 9%
04 AUG 20222MINS

Alumina production in South America contracts M-o-M to 901,000 tonnes in June’22; output in North America hikes by 9%

According to the Indian Aluminium Institute data, alumina production in South America shrank by 5.95 per cent or 57,000 tonnes month-on-month to 901,000 tonnes in June 2022. But in May, the monthly output edged 3.03 per cent higher M-o-M from 929,000 tonnes. On a year-on-year calculation, South...

Alumina production in Europe (incl. Russia) reflects a 14% fall Q-o-Q in the June quarter
02 AUG 20222MINS

Alumina production in Europe (incl. Russia) reflects a 14% fall Q-o-Q in the June quarter

Alumina production in Europe (incl. Russia) during the second quarter of 2022 amounted to 2.098 million tonnes (incl. metallurgical-grade), reflecting a downfall of 13.66 per cent quarter-on-quarter from 2.430 million tonnes. On a year-on-year basis, the quarterly output decreased by 18.65 per cent...

Aluminium is not the only use for which China exports alumina
02 AUG 20222MINS

Aluminium is not the only use for which China exports alumina

In the wake of the geopolitical crisis between Russia and Ukraine, China has exported more microchips to Russia and other electronic components and raw materials, some with military applications, entangling efforts by the US and Western allies to isolate Russia's economy and paralyse its military....

Alumina production in Africa & Asia (ex-China) edges 6.6% higher at 3.53 million tonnes in 2Q2022
28 JUL 20222MINS

Alumina production in Africa & Asia (ex-China) edges 6.6% higher at 3.53 million tonnes in 2Q2022

In June 2022, alumina production in Africa & Asia (ex-China) stood at 1.141 million tonnes, bringing the total amount in the second quarter to 3.530 million tonnes, found the International Aluminium Institute. The output in Q2 recorded a quarter-on-quarter increase of 6.58 per cent from 3.312...

World alumina production in 2Q2022 records a hike of 6% Q-o-Q but falls by 1% on year to 35.034 Mt
27 JUL 20222MINS

World alumina production in 2Q2022 records a hike of 6% Q-o-Q but falls by 1% on year to 35.034 Mt

The world alumina production in the June quarter (Q2) of 2022 totalled 35.034 million tonnes, seeing an increase of 5.79 per cent from 33.118 million tonnes during 1Q2022, found the International Aluminium Institute. But on a year-on-year basis, the world alumina output in Q2 stood 1.17 per cent...

South32’s alumina production at Worsley refinery exceeds nameplate capacity standing at 3.99 Mt in FY2022
25 JUL 20222MINS

South32’s alumina production at Worsley refinery exceeds nameplate capacity standing at 3.99 Mt in FY2022

On Monday, July 25, South32 has reported strong operating results for FY2022 and the June quater, with Worsley Alumina operation, one of the world’s largest refineries, booking a record annual production. As per the report, Worsley has posted a 1 per cent growth in annual production to 3.99 million...

Exacerbating energy prices drive Romania's only alumina refinery into hibernation for 17 months
22 JUL 20223MINS

Exacerbating energy prices drive Romania's only alumina refinery into hibernation for 17 months

The Romanian aluminium giant Alro stated that the nation's sole alumina refinery, Alum, located in Tulcea, plans for a temporary production halt by putting the cause of 'prohibitive' energy prices. During its July 20 filing to the Bucharest Stock Exchange, the management proposed for approval by...

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