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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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Evonik to invest in fumed alumina production in Japan for EV batteries
01 MAR 20232MINS

Evonik to invest in fumed alumina production in Japan for EV batteries

The second largest chemicals company in Germany, Evonik, and also one of the largest speciality chemicals companies in the world, is investing multi-million euros in expanding production facilities for fumed alumina at its Yokkaichi site in Japan. The material will be used as an ultrathin coating...

World alumina production drops 1% Y-o-Y to 11.647 million tonnes, but China’s output grows 4%: IAI
28 FEB 20232MINS

World alumina production drops 1% Y-o-Y to 11.647 million tonnes, but China’s output grows 4%: IAI

World alumina production in January 2023 totalled 11.647 million tonnes, with China accounting for more than 50 per cent, found the International Aluminium Insitute. The world’s biggest alumina and primary aluminium producer churned out 6.7 tonnes of aluminium ore in January, which majorly remained...

China’s domestic average alumina price dips by RMB1/t to RMB2946/t; A00 aluminium ingot price remains muted
28 FEB 20232MINS

China’s domestic average alumina price dips by RMB1/t to RMB2946/t; A00 aluminium ingot price remains muted

According to the Shanghai Metals Market, China’s domestic average alumina spot price has dipped by RMB 1 per tonne to settle at RMB 2,946 per tonne as of Tuesday, February 28. In Henan and Guizhou, alumina price has plunged by RMB 15 per tonne and RMB 5 per tonne to stand at RMB 2,980 per tonne and...

Calderys merges with HarbisonWalker International to deliver world-class refractory solutions
23 FEB 20232MINS

Calderys merges with HarbisonWalker International to deliver world-class refractory solutions

Following the completion of HarbisonWalker International (HWI)’s acquisition by Platinum Equity through a merger agreement, the global investment firm confirmed Calderys and HWI would join forces to create a leading world-class refractories solutions provider. Michel Cornelissen, currently...

Alcoa of Australia terminates joint development project with FYI Resources for HPA
22 FEB 20231MINS

Alcoa of Australia terminates joint development project with FYI Resources for HPA

On February 21, 2022, Alcoa announced that its subsidiary Alcoa of Australia Limited (AoA) had terminated a collaborative development project with FYI Resources Ltd for high-purity alumina (HPA). The global leader in the aluminium sector with a vision to reinvent the industry for a sustainable...

Alumina spot price in China records a W-o-W fall of RMB4/t as of Feb 21; A00 aluminium ingot price drops by RMB70/t
21 FEB 20233MINS

Alumina spot price in China records a W-o-W fall of RMB4/t as of Feb 21; A00 aluminium ingot price drops by RMB70/t

On Tuesday, February, the average alumina spot price in China inched up by RMB 1 per tonne after remaining restrained since February 16. The price as of today settled at RMB 2,947 per tonne. On a W-o-W calculation, a drop of RMB 4 per tonne was seen from RMB 2,951 per tonne recorded on February 16....

RHI Magnesita infusing INR 3600 crore in India, says CEO
19 FEB 20232MINS

RHI Magnesita infusing INR 3600 crore in India, says CEO

The Austria-Vienna headquartered global refractory leader RHI Magnesita's CEO Stefan Borgas has stated that the company is investing INR 3,600 crore in the Indian market over the next two-three years to expand its production capacity and modernise facilities. However, Borgas also said that a...

Alumina spot price in China stands W-o-W low by RMB4/t on February 16; A00 aluminium ingot price declines to RMB18430/t
16 FEB 20233MINS

Alumina spot price in China stands W-o-W low by RMB4/t on February 16; A00 aluminium ingot price declines to RMB18430/t

According to the Shanghai Metals Market, the average alumina spot price in China has dipped for the second day in a row by RMB 3 per tonne to stand at RMB 2,946 per tonne on Thursday, February 16. On a week-on-week calculation, the price is down by RMB 4 per tonne from RMB 2,950 per tonne on...

Hydro and Wave Aluminium sign a new contract to recover valuable minerals from bauxite residue
15 FEB 20232MINS

Hydro and Wave Aluminium sign a new contract to recover valuable minerals from bauxite residue

A contract signed between Hydro Alunorte and Wave Aluminium to construct a plant in Brazil that will process bauxite residue (red mud) to recover commercially valuable materials is expected to be operational by 2024. The facility will be constructed in Hydro Alunorte alumina refinery in Pará,...

Alumina output in South America grows 6.5% in H2 2022 yet records a fall in full-year
14 FEB 20232MINS

Alumina output in South America grows 6.5% in H2 2022 yet records a fall in full-year

According to the International Aluminium Institute (IAI), alumina production in South America grew by 4.83 per cent month-on-month to stand at 1.042 million tonnes in December 2022. That brought South America’s total output in Q4 2022 to 3.05 million tonnes, up by 3.35 per cent Q-o-Q from 2.951...

Alcoa to install steam run MVR module in its Australian alumina refinery saving excess energy usage
13 FEB 20234MINS

Alcoa to install steam run MVR module in its Australian alumina refinery saving excess energy usage

After a feasibility study approved its potential outcomes, USA-based aluminium giant Alcoa is about to set up a steam recycling technology or MVR module focused on reducing emissions. As early as 2021, Australian Renewable Energy Agency (ARENA) allotted $11.3 million to run a feasibility study...

China’s metallurgical-grade alumina output drops 1% in January 2023 due to production halt at refineries
10 FEB 20232MINS

China’s metallurgical-grade alumina output drops 1% in January 2023 due to production halt at refineries

In January 2023 (31 calendar days), China’s metallurgical-grade alumina production stood at 6.37 million tonnes, registering a drop of 0.93 per cent month-on-month from 6.43 million tonnes, found the Shanghai Metals Market data. On a year-on-year calculation, the output in January recorded an...

China’s alumina price gains RMB3/t to RMB 2,950/t; A00 aluminium ingot price mounts to RMB 19,000/t
07 FEB 20233MINS

China’s alumina price gains RMB3/t to RMB 2,950/t; A00 aluminium ingot price mounts to RMB 19,000/t

The average alumina spot price in China has gone up by RMB 3 per tonne on Tuesday, February 7, after remaining restrained since January 31. The price as of today settled at 2,950, followed by a growth of RMB 10 per tonne in Shandong and Guizhou to come in at RMB 2,925 per tonne and RMB 2,880 per...

Europe’s alumina production slumps 21% Y-o-Y to 8.2 Mt in 2022, led by a sluggish output in H2
06 FEB 20232MINS

Europe’s alumina production slumps 21% Y-o-Y to 8.2 Mt in 2022, led by a sluggish output in H2

According to the International Aluminium Institute, alumina production in Europe (incl. Russia) totalled 8.219 million tonnes during 2022, registering a downfall of 20.97 per cent year-on-year from 10.4 million tonnes. In the fourth quarter of 2022, Europe’s aluminium oxide output amounted to 1.722...

Africa & Asia’s alumina production slows down 4.6% in 4Q2022; but scales up for full-year to 13.79 Mt
02 FEB 20232MINS

Africa & Asia’s alumina production slows down 4.6% in 4Q2022; but scales up for full-year to 13.79 Mt

In Africa & Asia (ex-China), alumina production during December 2022 stood at 1.129 million tonnes, bringing the total output in the fourth quarter to 3.349 million tonnes, found the International Aluminium Institute. The monthly production stood restrained M-o-M and 5 per cent lower Y-o-Y than...

Iranian alumina production grows 1% in nine months, led by an output rise in Q3 to 57,394 tonnes
01 FEB 20231MINS

Iranian alumina production grows 1% in nine months, led by an output rise in Q3 to 57,394 tonnes

A report has recently revealed that Iran produced 176,239 tonnes of alumina powder in the nine months of the Iranian calendar year (March 21-December 21, 2022). The report suggests a 1 per cent rise year-on-year from 175,284 tonnes. In the third quarter (September 21-December 21), Iran’s alumina...

Calderys becomes a standalone company
01 FEB 20232MINS

Calderys becomes a standalone company

Calderys, known globally for its advanced refractory products and services, has become an independent company encompassing the full scope of the High-Temperature Solutions business (HTS) area formerly under Imerys. US-based Platinum Equity owns the new company after completing regulatory approvals...

World alumina production in 2022 improves slightly Y-o-Y to 139 Mt; China's contribution accounts for 56.6%
31 JAN 20232MINS

World alumina production in 2022 improves slightly Y-o-Y to 139 Mt; China's contribution accounts for 56.6%

According to the International Aluminium Institute, world alumina production in 2022 totalled 139.02 million tonnes, reflecting a marginal growth of 0.31 per cent from 138.587 million tonnes last year. China, the world’s leading alumina producer, contributed the highest to 2022 output by producing...

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