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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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China’s alumina spot price loses RMB1/t; SMM A00 aluminium price dives by RMB90/t mid-week
13 SEPT 20232MINS

China’s alumina spot price loses RMB1/t; SMM A00 aluminium price dives by RMB90/t mid-week

The average alumina spot price in China has shed RMB 1 per tonne, officiating at RMB 2,933 per tonne. The alumina price in Henan has added RMB 5 per tonne to stop at RMB 2,945 per tonne, while the alumina price in Shanxi has lost RMB 10 per tonne to settle at a similar rate as Henan. On September...

China’s alumina production reached 7 Mt in Aug’23 backed by capacity expansion and new operation release
11 SEPT 20232MINS

China’s alumina production reached 7 Mt in Aug’23 backed by capacity expansion and new operation release

According to the Shanghai Metals Market survey, China’s metallurgical-grade alumina production in August 2023 stood at 7.017 million tonnes, reflecting a month-on-month increase of 2.15 per cent from 6.869 million tonnes . Daily output also grew by 2 per cent to 226,400 tonnes, driven by new and...

July saw declines in turnover for 7 out of 13 industries, including alumina: Australian Bureau of Statistics
09 SEPT 20232MINS

July saw declines in turnover for 7 out of 13 industries, including alumina: Australian Bureau of Statistics

According to data released on September 8, 2023, by the Australian Bureau of Statistics (ABS), business turnover in July witnessed declines in seven of the 13 selected industries. The Australian Bureau of Statistics (ABS) is the independent statutory agency of the Australian Government, responsible...

India govt. to establish cutting-edge red mud processing pilot plant by December 2024
06 SEPT 20232MINS

India govt. to establish cutting-edge red mud processing pilot plant by December 2024

The Government of India is taking a significant step towards using Rare Earth Elements (REE) by establishing a cutting-edge pilot plant. This facility will process 100 kg of red mud, a hazardous waste generated from the alumina refining process, and extract REE from it. It's worth noting that red...

Alumina spot price in China clocks M-o-M growth of RMB37/t; A00 aluminium ingot price gains RMB70
06 SEPT 20232MINS

Alumina spot price in China clocks M-o-M growth of RMB37/t; A00 aluminium ingot price gains RMB70

On Wednesday, September 6, the average alumina spot price in China gained RMB 7 per tonne, settling at RMB 2,933 per tonne. As per the Shanghai Metal Exchange (SMM) data, M-o-M, the alumina price had expanded by RMB 37 per tonne or 1.27 per cent from RMB 2,896 per tonne recorded on August 7. As of...

Alumina production in Europe (incl. Russia) deteriorates during July 2023 by 21% Y-o-Y
03 SEPT 20232MINS

Alumina production in Europe (incl. Russia) deteriorates during July 2023 by 21% Y-o-Y

In Europe (incl. Russia), alumina production during July 2023 stood at 549,000 tonnes, reflecting a month-on-month hike of 24,000 tonnes or 4.57 per cent, found the International Aluminium Institute (IAI). In June 2023, the output stood at 525,000 tonnes, which was, however, down by 35,000 tonnes...

Technip Energies wins engineering design contract for Guinea's alumina refinery construction project
01 SEPT 20231MINS

Technip Energies wins engineering design contract for Guinea's alumina refinery construction project

Technip Energies, a renowned French engineering and technology firm, has successfully obtained a front-end engineering design contract to construct an alumina refinery in Guinea, West Africa. The nation is one of the leading producers of bauxite in the world. However, in this case, the contract was...

World alumina production in July’23 grows above 12 MT, with daily output improving by 1%
30 AUG 20233MINS

World alumina production in July’23 grows above 12 MT, with daily output improving by 1%

In July 2023, the world alumina production saw a month-on-month rise of 4.32 per cent to reach 12.179 million tonnes, found the International Aluminium Institute (IAI). The growth occurred in July 2023 after a monthly fall in June by 1.96 per cent from 11.908 million tonnes to 11.675 million...

Alumina Limited posts a net loss (after tax) of US$43 million for H1 2023 owing to lower alumina output
29 AUG 20232MINS

Alumina Limited posts a net loss (after tax) of US$43 million for H1 2023 owing to lower alumina output

Alumina Limited, an Australian holding company, declared its 2023 first half results ended June 30, 2023, reporting a net loss (after tax) of US$43 million, compared to a net profit after tax of US$168 million during the corresponding period of the last year. Alumina Limited holds 40 per cent share...

Sumitomo Chemical to start mass production of ultra-fine alumina at Ehime Works
28 AUG 20232MINS

Sumitomo Chemical to start mass production of ultra-fine alumina at Ehime Works

Sumitomo Chemical has achieved remarkable achievement in pioneering production techniques for ultra-fine α-alumina, with mass production slated to begin in September this year at its Ehime Works. Through technical advancements in inorganic materials, the Company will build new markets in the ICT,...

Iran’s alumina output reflects 2% Y-o-Y growth in the first 4 months of Iranian CY
28 AUG 20232MINS

Iran’s alumina output reflects 2% Y-o-Y growth in the first 4 months of Iranian CY

According to data revealed by the Iranian Mines and Mining Industries Development and Renovation Organization (IMIDRO), alumina powder production in Iran grew 2 per cent year-on-year during the first four months of the current Iranian calendar year (March 21 to July 22). Iran produced 82,548 tonnes...

China’s average alumina price sheds RMB1/t; SMM A00 aluminium ingot price logs RMB70/t increase
28 AUG 20232MINS

China’s average alumina price sheds RMB1/t; SMM A00 aluminium ingot price logs RMB70/t increase

The average alumina spot price has dropped RMB 1 per tonne, stopping at RMB 2,912 per tonne, while the alumina price in Shanxi has lost RMB 5 per tonne to clock at RMB 2,925 per tonne. The alumina price in Guangxi has gained RMB 10 per tonne, closing at RMB 2,915 per tonne, and the alumina price in...

China’s alumina spot price ascends 2.25% M-o-M, down 1.37% Y-o-Y; SMM A00 aluminium ingot price skids US$50/t
24 AUG 20233MINS

China’s alumina spot price ascends 2.25% M-o-M, down 1.37% Y-o-Y; SMM A00 aluminium ingot price skids US$50/t

China’s alumina spot price has skipped RMB 1 per tonne upwards, officially closing at RMB 2,913 per tonne. The alumina spot price in Shandong has levitated by RMB 10 per tonne, stopping at RMB 2,875 per tonne, while the alumina price in Shanxi has stepped up the graph by RMB 5 per tonne, closing at...

Alinta locks deal to construct a 200MWh big battery near Alcoa's Wagerup alumina refinery
17 AUG 20233MINS

Alinta locks deal to construct a 200MWh big battery near Alcoa's Wagerup alumina refinery

Alinta Energy, an Australian energy business, has announced its plant to construct a 200MWh battery next to the Alcoa alumina plant to help stabilise the grid and supply backup power. On Thursday, Alinta said it hired Shanghai Electric Power Design Institute and Sunterra to construct the 100MW,...

Alumina output in Europe portrays a sequential growth of 1.5% to 1.59 Mt in Q2 2023
16 AUG 20232MINS

Alumina output in Europe portrays a sequential growth of 1.5% to 1.59 Mt in Q2 2023

In Europe (incl. Russia), alumina output during the second quarter of 2023 was recorded at 1.59 million tonnes, with an accumulated daily production for three months at 52,400 tonnes, found the International Aluminium Institute data. These figures indicate a sequential rise of 1.53 per cent in...

Hydro Alunorte signs a new PPA to bolster its decarbonisation strategy
11 AUG 20232MINS

Hydro Alunorte signs a new PPA to bolster its decarbonisation strategy

Hydro Alunorte has signed a wind power purchase agreement (PPA) in addition to using solar energy for aluminium manufacturing, which aims to bolster the decarbonisation plan of the Norwegian Aluminium Company. The newly signed project is called the Ventos de São Zacarias project. Investments in...

China’s alumina output drifts 1.5% higher Y-o-Y in July citing mixed production traits in August
10 AUG 20233MINS

China’s alumina output drifts 1.5% higher Y-o-Y in July citing mixed production traits in August

According to SMM data, China's metallurgical-grade alumina output during July was 6.869 million tonnes, with a daily production average of 222,000 tonnes, a surge attributed to the phased release of newly added capacity and the conclusion of maintenance in several Guangxi region companies, leading...

China’s average alumina spot price and Shanxi’s bauxite price soars by RMB5/t; Aluminium ingot price earns RMB70/t today
10 AUG 20233MINS

China’s average alumina spot price and Shanxi’s bauxite price soars by RMB5/t; Aluminium ingot price earns RMB70/t today

The Shanghai Metal Market, today, on August 10, has noted an RMB 5 per tonne spike in China’s average alumina spot price, with it officially halting at RMB 2,901 per tonne, while in Shandong and Shanxi, the alumina spot prices have seen an increase of RMB 5 per tonne, closing at RMB 2,860 per tonne...

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