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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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Geomega Resources receives $3 million grant from Quebec's Technoclimat Program
31 JAN 20232MINS

Geomega Resources receives $3 million grant from Quebec's Technoclimat Program

As the transition to vehicle electrification and renewable energy sources accelerates, Geomega Resources Inc., the proponent of the first sustainable rare earth recycling facility in the world to help meet rising global magnet demand, has announced that it has secured a $3 million grant from the...

WA water authority to slash Alcoa's water licence by a third due to unsustainable supply in the region
31 JAN 20232MINS

WA water authority to slash Alcoa's water licence by a third due to unsustainable supply in the region

The largest state of Australia, West Australia's water authority, announced that they would curtail mining giant Alcoa's water licence by a third due to unsustainable water demands in the region. Simone McGurk, the WA Water Minister, claimed that a 23 per cent drop in rainfall had led to...

Iran to escalate alumina production with Chinese assistance
23 JAN 20232MINS

Iran to escalate alumina production with Chinese assistance

According to an official, Iran has begun researching the possibility of producing 500,000 tonnes of alumina annually from low-grade bauxite with Chinese assistance. On January 23, 2023, Turaj Zar'e, the Managing Director of Iran Alumni Company (IAC), said, "The initial phase of studies was done...

Otium Capital invests €8 million in green industrial tech company IB2 to accelerate its development
18 JAN 20232MINS

Otium Capital invests €8 million in green industrial tech company IB2 to accelerate its development

The green industrial tech company IB2 founded by Yves Occello, has developed a green and innovative technology allowing alumina refineries to process and valuate low-grade bauxite ores. Many alumina refineries have so far chosen to import bauxite rather than utilize close-by local resources because...

International deal paves the way for Goodfellow’s scientific industry expansion
18 JAN 20233MINS

International deal paves the way for Goodfellow’s scientific industry expansion

One of the UK’s leading manufacturers of specialist metals and materials has signed a new commercial agreement with Advanced Energy Minerals (AEM) to support its growing order book in the academic and research sectors. Goodfellow Ltd, which recently delivered materials to the Lawrence Livermore...

China’s alumina price ascends by RMB12/t to RMB2,945/t; A00 aluminium ingot price mounts to RMB18,510/t
17 JAN 20232MINS

China’s alumina price ascends by RMB12/t to RMB2,945/t; A00 aluminium ingot price mounts to RMB18,510/t

On Tuesday, January 17, the average alumina spot price has hiked by RMB 12 per tonne to halt at RMB 2,945 per tonne. Prices in Henan and Guangxi have increased by RMB 10 per tonne to peg at RMB 2,990 per tonne and RMB 2,890 per tonne. On the same day, prices in Shandong and Shanxi have gone up by...

Rio Tinto claims Labor’s policy validates industry wide sustainability drives
12 JAN 20234MINS

Rio Tinto claims Labor’s policy validates industry wide sustainability drives

Rio Tinto seemed quite pleased with the Albanese government’s fundamental emissions-reduction policy for supplying vital support to heavy industries since it was aware of the environmental impact that the high-carbon east-coastal alumina units were causing. Rio Tinto knows that its refineries and...

Australian alumina FOB price ascends by US$15/t; China’s domestic A00 aluminium price levitates by RMB120/t
12 JAN 20233MINS

Australian alumina FOB price ascends by US$15/t; China’s domestic A00 aluminium price levitates by RMB120/t

Today, the alumina spot price in China has witnessed an RMB 2 per tonne rise, closing at RMB 2,932 per tonne, while the alumina price in Henan and Guangxi have both seen an increase of RMB 15 per tonne to halt at RMB 2,980 per tonne and RMB 2,880 per tonne. The Australian alumina FOB price has...

China’s metallurgical-grade alumina output mounts to 77.68 Mt in 2022 amid energy price surge and pandemic outbreak
10 JAN 20232MINS

China’s metallurgical-grade alumina output mounts to 77.68 Mt in 2022 amid energy price surge and pandemic outbreak

According to the Shanghai Metals Market, China’s metallurgical-grade alumina output in December 2022 (31 calendar days) stood at 6.43 million tonnes, reflecting a month-on-month rise of 2.2 per cent from 6.29 million tonnes and a year-on-year increase of 1 per cent from 6.36 million tonnes. But...

Alcoa to cut 30% production at Kwinana alumina refinery for natural gas shortage
09 JAN 20231MINS

Alcoa to cut 30% production at Kwinana alumina refinery for natural gas shortage

Alcoa Corporation, the world’s eighth-largest aluminium producer, announced on Monday, January 9, that it expects to cut nearly 30 per cent of production at its partially-owned Kwinana alumina refinery in Western Australia. Shortage of gas supplies is the reason behind the production cut, explained...

Chevron’s WA gas plant breakdown forces Alcoa to rely on diesel generators
09 JAN 20235MINS

Chevron’s WA gas plant breakdown forces Alcoa to rely on diesel generators

Chevron has requested two more days to take care of the technical problems leading to a drastic breakdown at its Wheatstone domestic gas plant. This can be regarded as the third West Australian (WA) gas plant breakdown during the whole summer. All this turmoil has prompted Alcoa to ignite diesel...

Europe’s alumina production records a continued M-o-M fall by 3% in Nov’22, indicating a bearish Q4 output
06 JAN 20231MINS

Europe’s alumina production records a continued M-o-M fall by 3% in Nov’22, indicating a bearish Q4 output

Alumina production in Europe (incl. Russia) amounted to 577,000 tonnes in November 2022, bringing the total output in eleven months of 2022 to 7.668 million tonnes, found the International Aluminium Institute. The production in November edged 2.86 per cent or 17,000 tonnes lower month-on-month than...

Alumina spot price in China floats up by RMB1/t; China’s A00 aluminium ingot price sheds RMB30/t
06 JAN 20232MINS

Alumina spot price in China floats up by RMB1/t; China’s A00 aluminium ingot price sheds RMB30/t

The average alumina spot price in China has gained RMB 1 per tonne, closing at RMB 2,929 per tonne, while the price of alumina in Henan has escalated by RMB 5 per tonne, halting at RMB 2,965 per tonne. A00 aluminium ingot price has plunged by RMB 30 per tonne, resting at RMB 17,700 per tonne, as...

Africa & Asia’s (ex-China) alumina production in Nov'22 stoops down by 4.4% M-o-M to 1.129 Mt: IAI
01 JAN 20231MINS

Africa & Asia’s (ex-China) alumina production in Nov'22 stoops down by 4.4% M-o-M to 1.129 Mt: IAI

Alumina production in Africa & Asia (ex-China) amounted to 1.129 million tonnes during November 2022, which recorded a month-on-month downfall of 4.40 per cent. In October 2022, Africa & Asia’s alumina output was 1.181 million tonnes, up by 6.01 per cent from 1.114 million tonnes a month ago. On a...

World alumina production in November’22 edges a 3% drop M-o-M to 11.585 million tonnes: IAI
30 DEC 20222MINS

World alumina production in November’22 edges a 3% drop M-o-M to 11.585 million tonnes: IAI

According to the International Aluminium Institute, the world alumina production in November 2022 amounted to 11.585 million tonnes, bringing the total output in eleven months of the year to 127.607 million tonnes. The monthly production in November edged a decline of 3.13 per cent from 11.959...

November 2022: Indonesia accounted as the largest alumina supplier to China; alumina export to Russia ranked highest
27 DEC 20222MINS

November 2022: Indonesia accounted as the largest alumina supplier to China; alumina export to Russia ranked highest

According to the data revealed by the General Administration of Customs of China, it has been reported that 196,000 tonnes of alumina were imported into China in November 2022, representing an increase of 24.2 per cent over the previous year and a reduction of 21.8 per cent over the previous month....

Alumina spot price in China hikes to RMB2,920/t; A00 aluminium ingot price grows by RMB40/t
22 DEC 20222MINS

Alumina spot price in China hikes to RMB2,920/t; A00 aluminium ingot price grows by RMB40/t

On Thursday, December 22, the average alumina spot price has grown by RMB 7 per tonne to close at RMB 2,920 per tonne. On the same day, the prices in Shandong and Shanxi have gone up by RMB 10 per tonne to settle at RMB 2,895 per tonne and RMB 2,960 per tonne. As per the data, both Guizhou and...

China’s alumina spot price accumulates RMB11/t to exceed RMB2900/t; A00 aluminium ingot price drops RMB30/t
15 DEC 20222MINS

China’s alumina spot price accumulates RMB11/t to exceed RMB2900/t; A00 aluminium ingot price drops RMB30/t

The average alumina spot price in China has hiked by RMB 11 per tonne to stand at RMB 2,908 per tonne as of Thursday, December 15, found the Shanghai Metals Market data. In Shandong, Guizhou, and Guangxi, alumina price has escalated by RMB 15 per tonne to peg at RMB 2,865 per tonne, RMB 2,825 per...

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