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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 falls successively by RMB7/t; A00 aluminium ingot price on boost recording RMB20840/t
23 MAY 20223MINS

China’s alumina spot price falls successively by RMB7/t; A00 aluminium ingot price on boost recording RMB20840/t

The average alumina spot price has dropped for the fourth day in a row by RMB 7 per tonne to come in at RMB 3,000 per tonne as of Monday, May 23, found the Shanghai Metals Market. The alumina price in Lianyungang and Bayuquan has decreased by RMB 50 per tonne to record at RMB 3,050 per tonne and...

Alumina price drops by RMB2/t after a restraint; A00 aluminium ingot price extends decline to RMB20400/t
18 MAY 20222MINS

Alumina price drops by RMB2/t after a restraint; A00 aluminium ingot price extends decline to RMB20400/t

According to the Shanghai Metals Market, the average alumina spot price in China has slipped by RMB 2 per tonne to settle at RMB 3,012 per tonne on Wednesday, May 18, following a restraint on the previous day. In Shanxi, the alumina price has dropped by RMB 5 per tonne to settle at RMB 2,955 per...

Imerys to build a 4.67-MWp solar plant at its alumina refinery in Bahrain, a step towards 36% carbon cut by decade-end
18 MAY 20221MINS

Imerys to build a 4.67-MWp solar plant at its alumina refinery in Bahrain, a step towards 36% carbon cut by decade-end

Paris-headquartered industrial minerals manufacturing company Imerys S.A. has reportedly collaborated with Yellow Door Energy to build a 4.67-MWp solar plant at its white fused alumina refinery in Bahrain. As per the report, more than 8,500 solar panels will be installed in the plant located across...

Vytas and Accelerate Resources consort for the JORC Tambellup kaolin project focusing on HPA production
11 MAY 20223MINS

Vytas and Accelerate Resources consort for the JORC Tambellup kaolin project focusing on HPA production

The JORC resource is being considered by the two companies, Vytas Resources and its 33% partner Accelerate Resources for their joint venture, the Tambellup kaolin project in southwestern parts of Western Australia, keeping in mind that during this quarter, Vytas is planning an entry in ASX IPO. In...

China’s metallurgical-grade alumina output moves down by 2.2% M-o-M but up by 5.05% Y-o-Y
10 MAY 20222MINS

China’s metallurgical-grade alumina output moves down by 2.2% M-o-M but up by 5.05% Y-o-Y

China’s alumina output in April 2022 (30 calendar days) settled at 6.397 million tonnes, including 6.201 million tonnes of metallurgical-grade alumina, says SMM data. Metallurgical-grade alumina output averaged 206,000 tonnes per day, down 2.2 per cent M-o-M but up by 5.05 per cent Y-o-Y. In April,...

Japan’s Sumitomo to contribute a green hydrogen unit for the Gladstone Hydrogen Ecosystem
09 MAY 20225MINS

Japan’s Sumitomo to contribute a green hydrogen unit for the Gladstone Hydrogen Ecosystem

Australian mining giant Rio Tinto will collaborate with Japan’s Sumitomo Corporation to construct a 2MW green hydrogen production facility at the former’s Yarwun alumina refinery located in Gladstone. The proposed pilot project is going to yield 300 tonnes of green hydrogen to sufficiently cater to...

Faulty sprinklers at LAlumina Refinery permit red mud decomposition around human habitat
07 MAY 20223MINS

Faulty sprinklers at LAlumina Refinery permit red mud decomposition around human habitat

The broken sprinklers in the LAlumina Burnside Refinery are causing the red mud to dry down and spread via wind around the neighbouring Pelican Crossing locality. Human beings residing in the Ascension Parish region have to unnecessarily deal with the red dust flying in the air whenever the wind is...

China’s alumina spot price gains RMB6/t after a week-long restraint; A00 aluminium ingot price shrinks to RMB20720/t
05 MAY 20222MINS

China’s alumina spot price gains RMB6/t after a week-long restraint; A00 aluminium ingot price shrinks to RMB20720/t

According to the Shanghai Metals Market, the average alumina spot price has increased by RMB 6 per tonne after remaining restrained at RMB 3,010 per tonne from April 22 to 29. Hence, as of May 5, the price is standing at RMB 3,016 per tonne. In Henan, alumina price has hiked by RMB 15 per tonne to...

Prime shareholders of Altech Chemicals transform listed options; deadline 31st May
03 MAY 20223MINS

Prime shareholders of Altech Chemicals transform listed options; deadline 31st May

The largest shareholder of Altech Chemicals Ltd Deutsche Balaton Aktiengesellschaft (Deutsche Balaton) has transformed 15,000,000 enlisted options which will expire on 31 st May 2022 with a conversion price of $0.08 each, for total proceeds of $1,200,000. Eminent shareholder, Delphi...

Alumina production in Europe (incl. Russia) reflects Q-o-Q drop of 6.47% to 2.43 Mt in 1Q2022
02 MAY 20221MINS

Alumina production in Europe (incl. Russia) reflects Q-o-Q drop of 6.47% to 2.43 Mt in 1Q2022

In March 2022, alumina production in Europe (incl. Russia) stood at 769,000 tonnes, reflecting a month-on-month decline of 7,000 tonnes or 0.90 per cent from 776,000 tonnes. Monthly downfall in March continued as alumina output in February also stood down M-o-M by 12.32 per cent from 885,000...

Monthly alumina production in Africa & Asia (ex-China) sees a rise of 1.21% in March 2022
01 MAY 20221MINS

Monthly alumina production in Africa & Asia (ex-China) sees a rise of 1.21% in March 2022

In March 2022, alumina production in Africa & Asia (ex-China) was 1.088 million, up by 1.21 per cent month-on-month from 1.075 million tonnes, found the International Aluminium Institute. However, the output in February was down from its previous month by 6.44 per cent from 1.149 million tonnes. In...

Alumina weekly recap: Rio Tinto and Innord Inc. come together for developing bauxite residues iron phase product; KM Birla and AP Chief Minister inaugurate Grasim Industries’ Chlor-Alkali project
30 APR 20223MINS

Alumina weekly recap: Rio Tinto and Innord Inc. come together for developing bauxite residues iron phase product; KM Birla and AP Chief Minister inaugurate Grasim Industries’ Chlor-Alkali project

The global alumina industry had witnessed limited but significant number of events. To begin with, Alpha HPA (A4N), based in New South Wales, Australia, has been awarded a $15.5 million grant from the Commonwealth Department of Industry, Science, Energy and Resources. Rio Tinto Plc has agreed to...

Lava Blue receives $5.2 million from the Australian Government for refining critical minerals
30 APR 20222MINS

Lava Blue receives $5.2 million from the Australian Government for refining critical minerals

Australia-based battery minerals producing company Lava Blue has been granted US$ 5.2 million under the Government’s Critical Minerals Accelerator Initiative to evolve techniques to refine critical minerals used in the lithium-ion battery supply chain. Michael McCann, the managing director of Lava...

Alpha HPA receives $15.5 million grant for the expansion of production capacity of PPF in Gladstone
29 APR 20222MINS

Alpha HPA receives $15.5 million grant for the expansion of production capacity of PPF in Gladstone

Situated in New South Wales, Australia, Alpha HPA (A4N) has received a grant of $15.5 million from the Commonwealth Department of Industry, Science, Energy and Resources. The grant falls under the jurisdiction of the Critical Minerals Accelerator Initiative (CMAI) and will be utilised to expand and...

Nalco's alumina export policy impacts domestic aluminium producers: IIVCC
28 APR 20222MINS

Nalco's alumina export policy impacts domestic aluminium producers: IIVCC

According to the Indian Industrial Value Chain Council (IIVCC), the group representing the organizations involved in the industrial production and consumption supply chain activities across India stated that the state-owned integrated aluminium company Nalco, whose surfeit quantity of alumina...

India’s Reliance Industries signs agreement with TA’ZIZ for Ruwais chemicals project, focusing on Chlor-alkali
27 APR 20223MINS

India’s Reliance Industries signs agreement with TA’ZIZ for Ruwais chemicals project, focusing on Chlor-alkali

On 26 th April 2022, the Indian multinational conglomerate company, headquartered in Mumbai, Reliance Industries (RIL) and the Abu Dhabi Chemicals Derivatives Company RSC (TA’ZIZ) signed a shareholding agreement for a chemical project in Ruwais, Abu Dhabi. However, this development delivers high...

World alumina production drops by 5% Q-o-Q to 34.332 Mt in 1Q2022 despite a rise in March by 7%
27 APR 20222MINS

World alumina production drops by 5% Q-o-Q to 34.332 Mt in 1Q2022 despite a rise in March by 7%

According to the latest data revealed by the International Aluminium Institute, the world alumina production amounted to 10.863 million tonnes in March 2022 (including metallurgical and chemical), an increase of 7.38 per cent month-on-month from 10.116 million tonnes. That brought the total global...

Rio Tinto and Innord Inc. come together for developing bauxite residues iron phase product
26 APR 20222MINS

Rio Tinto and Innord Inc. come together for developing bauxite residues iron phase product

Rio Tinto Plc has agreed to enter into a development agreement for bauxite residues iron phase product with Innord Inc., a wholly-owned subsidiary of Geomega Resources Inc. As part of the agreement, Rio Tinto will pay Innord US$1 million to complete the requisite proof of concept work and the...

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