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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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FYI Resources signs JV term sheet with Alcoa aspiring to create a market-leading High Purity Alumina Business
01 OCT 20212MINS

FYI Resources signs JV term sheet with Alcoa aspiring to create a market-leading High Purity Alumina Business

FYI Resources is eyeing to create a market-leading high purity alumina (HPA) business, and for that matter, has entered into a partnership with global alumina leader Alcoa. They have signed a joint venture term sheet to create an initial demonstration refinery and an 8,000 tonne-per-annum HPA...

Mining Minister highlights US$500,000 loss per day at Jamalco refinery for fire breakout; Critical assets also at stake
01 OCT 20214MINS

Mining Minister highlights US$500,000 loss per day at Jamalco refinery for fire breakout; Critical assets also at stake

Mining Minister Robert Montage informed the House of Representatives that the August 22 fire breakout in the Jamalco alumina refinery has caused the company lose US$500,000 per day. This is based on the production cost of US$150 per tonnes of alumina at a production rate of 3,170 tonnes everyday....

Mining Minister to apprise parliament on Jamalco’s current situation following fire breakout incident
30 SEPT 20211MINS

Mining Minister to apprise parliament on Jamalco’s current situation following fire breakout incident

Robert Montague, the Minister of Transport and Mining will be updating the parliament about the current situation of Jamalco alumina refinery which was affected by fire breakout on August 22, 2021. The alumina refinery, located in Hayes, Clarendon, was shut down initially after the fire breakout,...

Alumina production in Europe grows for the second month in a row by 2.12% to 914,000 tonnes in Aug’21
29 SEPT 20212MINS

Alumina production in Europe grows for the second month in a row by 2.12% to 914,000 tonnes in Aug’21

According to the International Aluminium Institute, alumina production in Europe, including Russia, continued to grow for the second month in a row in August 2021. IAI data showed the output increased by 19,000 tonnes or 2.12 per cent in the said month to come in at 914,000 tonnes compared to...

Average alumina spot price in China continues to grow by RMB76/t to stand above RMB3800/t; A00 aluminium ingot price climbs by RMB330/t
29 SEPT 20212MINS

Average alumina spot price in China continues to grow by RMB76/t to stand above RMB3800/t; A00 aluminium ingot price climbs by RMB330/t

According to the Shanghai Metals Market, the average alumina spot price has continued to grow for the third consecutive day to stand above RMB 3,800 per tonne. SMM data shows the price has built up by RMB 76 per tonne to come in at RMB 3,820 per tonne on Wednesday, September 29. The average alumina...

World alumina production dips by 1% to 11.565 million tonnes in August 2021; daily average output stands at 373,100 tonnes
28 SEPT 20212MINS

World alumina production dips by 1% to 11.565 million tonnes in August 2021; daily average output stands at 373,100 tonnes

According to the International Aluminium Institute (IAI) data, world alumina production continued to fall in August 2021 to stand at 11.565 million tonnes, including 10.845 million tonnes of metallurgical grade alumina. That was a decrease of 0.89 per cent compared to a drop of 0.66 per cent last...

Average alumina spot price in China opens the week higher at RMB3733/t; Aluminium fluoride price soars by RMB400/t
27 SEPT 20212MINS

Average alumina spot price in China opens the week higher at RMB3733/t; Aluminium fluoride price soars by RMB400/t

The average alumina spot price in China has opened the week on Monday, September 27, soaring by RMB 126 per tonne to come in at RMB 3,733 per tonne, found the Shanghai Metals Market. The continued raw materials supply disruptions from Guinea as well as domestic alumina production cut as refineries...

Metso Outotec comes up with high capacity ‘Vertical Pressure Filter’ to extract optimized solids from aluminate solutions
22 SEPT 20212MINS

Metso Outotec comes up with high capacity ‘Vertical Pressure Filter’ to extract optimized solids from aluminate solutions

The frontrunner in sustainable minerals processing technologies, end-to-end solutions and services globally, Metso Outotec introduced the Vertical Pressure Filter (VPF) to extract optimized solids from aluminate solutions. The VPF will also support removing suspended solids before alumina hydrate...

Larsen & Toubro commissions the expansion project of Hindalco’s Utkal Alumina refinery
22 SEPT 20211MINS

Larsen & Toubro commissions the expansion project of Hindalco’s Utkal Alumina refinery

India’s multinational conglomerate and the premier infrastructure developer, Larsen & Toubro (L&T) announced that its metallurgical and material handling business has commissioned the 0.5 million tonnes per annum (MTPA) expansion project of Hindalco’s Utkal alumina refinery located at Kucheipadar...

Rescom acquires bauxite shipment for Anrak alumina refinery from Guinea
18 SEPT 20212MINS

Rescom acquires bauxite shipment for Anrak alumina refinery from Guinea

Rescom’s has purchased a cape bauxite shipment from Guinea for Anrak Aluminium’s alumina refinery and is expected to reach India in October 2021, as reported by a higher official. Rescom Mineral Trading Fze, a mineral, mining, processing and trading company headquartered in Dubai, UAE and is a...

Raw materials supply distress globally drives China’s imported alumina price to a 3-year high at US$492/t, shows SMM
17 SEPT 20212MINS

Raw materials supply distress globally drives China’s imported alumina price to a 3-year high at US$492/t, shows SMM

Disruptions in primary aluminium raw materials supply due to the ongoing political unrest in Guinea, the largest supplier to the world’s leading aluminium producer China, has driven the latter’s imported alumina price to a 3-year high. According to the Shanghai Metals Market, the Australian alumina...

Chief Minister of Odisha inaugurates the expansion of Hindalco’s Utkal Alumina refinery
16 SEPT 20213MINS

Chief Minister of Odisha inaugurates the expansion of Hindalco’s Utkal Alumina refinery

On 16th September 2021, the Chief Minister of Odisha Naveen Patnaik virtually inaugurated Utkal Alumina refinery’s expansion of production capacity from 1.5 MTPA to 2 MTPA at Doraguda, Kashipur in Rayagada district. Aditya Birla Group, the parent company of Utkal Alumina has injected around INR...

Alpha HPA joins Australian Aluminium Council as the first high purity alumina project
16 SEPT 20212MINS

Alpha HPA joins Australian Aluminium Council as the first high purity alumina project

The Australian Aluminium Council, which represents Australia’s bauxite mining, alumina refining, aluminium smelting and downstream processing industries declared the joining of the world’s most sustainable high purity aluminium producer Alpha HPA Limited as a new member, diversifying the Council’s...

China’s alumina spot price climbs RMB154/t to surpass RMB3600/t; A00 aluminium ingot price soars by RMB500/t
16 SEPT 20212MINS

China’s alumina spot price climbs RMB154/t to surpass RMB3600/t; A00 aluminium ingot price soars by RMB500/t

The average alumina spot price has continued to surge in China, fuelled by domestic production cut due to refineries shut down and raw materials supply disruption due to ongoing political unrest in Guinea. According to the Shanghai Metals Market, alumina price has jumped by RMB 154 per tonne to...

Production cut at refineries in Guangxi lifts China’s alumina spot price to RMB3453/t; A00 aluminium ingot price nosedives by RMB650/t
15 SEPT 20212MINS

Production cut at refineries in Guangxi lifts China’s alumina spot price to RMB3453/t; A00 aluminium ingot price nosedives by RMB650/t

The average alumina spot price in China has increased by RMB 85 per tonne on Wednesday, September 15, following a restraint on the previous day. According to the Shanghai Metals Market, the hike has brought the alumina price at RMB 3,453 per tonne, marking a week-on-week jump of RMB 292 per tonne....

Queensland Alumina uses Siemens Technology to improve its alumina refining process
14 SEPT 20212MINS

Queensland Alumina uses Siemens Technology to improve its alumina refining process

Queensland Alumina (QAL) is reportedly obtaining five medium-voltage variable speed drives or VSDs from Siemens for continuing to improve its alumina refining process. The order consists of three GH180 Perfect Harmony variable speed drives (VSDs), which will be used in place of the existing drive...

Political unrest in Guinea could  stir fuss at Rusal’s Friguia alumina refinery
14 SEPT 20213MINS

Political unrest in Guinea could stir fuss at Rusal’s Friguia alumina refinery

The coup in Guinea the previous week stormed the international aluminium markets and propelled the prices for the metal surging to a 13-year high on the London Stock Exchange. The dethroning of President Alpha Condé can lead to a major fuss for Russian aluminium giant Rusal, the global leader of...

Hydro signs 15-year contract with New Fortress Energy (NFE) for sourcing natural gas for Alunorte alumina refinery
13 SEPT 20212MINS

Hydro signs 15-year contract with New Fortress Energy (NFE) for sourcing natural gas for Alunorte alumina refinery

According to a recent report, Hydro has entered into a 15-year contract with New Fortress Energy (NFE) for the supply of Liquefied Natural Gas (LNG) to the Alunorte alumina refinery in Brazil, as part of the fuel-switch initiative to replace the refinery’s energy sources and reduce carbon...

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