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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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NewsAlumina ProjectPage 16
Impact Minerals plans staged 4,000-tpa HPA production in US
07 SEPT 20263MINS
Alumina

Impact Minerals plans staged 4,000-tpa HPA production in US

A NewPro study supports a staged 2,000-to-4,000-tonne-per-year high-purity alumina plant on the US Gulf Coast, with a post-tax NPV of about USD373 million and a 42.3 per cent IRR. Impact Minerals is advancing plans for a modular high-purity alumina (HPA) plant in the US after an independent scoping...

Alcoa files SEC registration for $5.6b South32 alumina, aluminium and bauxite asset deal
02 SEPT 20264MINS
Alumina

Alcoa files SEC registration for $5.6b South32 alumina, aluminium and bauxite asset deal

Alcoa has moved its proposed acquisition of South32's bauxite, alumina and aluminium interests forward with a US SEC filing, with the transaction carrying an implied enterprise value of up to USD 5.6 billion. Alcoa Corporation has filed a Form S-4 registration statement with the US Securities and...

02 SEPT 20264MINS
Primary AL

NALCO's record FY26 sets stage for major aluminium expansion push

National Aluminium Company Ltd (NALCO) has reported its highest-ever operational and financial performance for FY2025-26 as the state-run aluminium producer moves ahead with major expansion projects and a broader push into critical minerals and resource security. National Aluminium Company Ltd...


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Global Alumina gets green signal for interest sale in Guinea Alumina
28 MAY 20131MINS

Global Alumina gets green signal for interest sale in Guinea Alumina

Global Alumina Corporation is pleased to announce that the Ministry of Mines and Geology of the Republic of Guinea has issued a No Objection Letter in connection with the previously announced sale by the Company of all of its interests in Guinea Alumina Corporation Limited to DM GAV Limited. The...

Guinea approves BHP, Global Alumina stake sale in refinery project
24 MAY 20132MINS

Guinea approves BHP, Global Alumina stake sale in refinery project

The government of Guinea said on Wednesday it has given approval to BHP Billiton and Global Alumina to sell their stake in a bauxite and alumina project to Dubai Aluminium Co (Dubal) and Mubadala Development Co. BHP paid $140 million in 2007 for a 33.3 percent stake in the Guinea Alumina Corp...

Potash Ridge commences pilot scale test work for its Blawn Mountain Project
23 MAY 20132MINS

Potash Ridge commences pilot scale test work for its Blawn Mountain Project

Potash Ridge Corporation announced that it has commenced pilot scale test work for its Blawn Mountain Project. The primary objectives of the pilot scale test work are to confirm the results of historic pilot plant testing, confirm the results of current bench scale testing on a continuous basis,...

Bintan Alumina Smelter build $ 1 billion
23 MAY 20132MINS

Bintan Alumina Smelter build $ 1 billion

Indonesia PT Bintan Alumina invest up to U.S. $ 1 billion for the construction of mineral processing and refining plant (smelter) in Bintan, Riau Islands. Director of Bintan Alumina, Zulnahar Usman said that the company is conducting a feasibility study or feasibility study smelter development....

BHP sells interests in Guinea alumina
20 MAY 20132MINS

BHP sells interests in Guinea alumina

There has been a change to BHP Billiton's long-held plan to exit what was once trumpeted as a $US5.2 billion ($5.29bn) alumina development opportunity in bauxite-rich Guinea. A plan in which BHP would have sold its one-third stake to the original promoter of the alumina project, Canada's Global...

Green light for South of Embley alumina project near Weipa
16 MAY 20131MINS

Green light for South of Embley alumina project near Weipa

The Federal Government has approved the $1.4 billion South of Embley project near Weipa after years of wrangling. Environment Minister Tony Burke signed off on the project with 76 conditions relating mainly to the project's impact from shipping on the Great Barrier Reef. The original referral...

Severely delayed alumina refinery starts trial production in India
14 MAY 20131MINS

Severely delayed alumina refinery starts trial production in India

An alumina refinery project, delayed by almost 20 years due to local and environmental protests, is finally ready to start trial production. The plant, at Doraguha, near Kasipur in Odisha's Rayagada district, is owned by Utkal Alumina International Ltd, a subsidiary of Hindalco Industries, which is...

Public hearing for RSB project disrupted
29 APR 20132MINS

Public hearing for RSB project disrupted

The public hearing on the environment impact assessment for the proposed $830 million alumina refinery project of RSB Metaltech Pvt Ltd in south Odisha’s Rayagada district was disrupted on Wednesday as several project opponents stormed the venue at Kiapadu, some 25 km from Rayagada town. The...

The Russian company targeting 2 million tons of alumina by 2013 end
10 APR 20131MINS

The Russian company targeting 2 million tons of alumina by 2013 end

Vimetco Russian company targets to produce 2 million tonnes of alumina ore from his mines located in West Kalimantan by the end of this year. According to Susilo, the Russian company has been working with local company PT Intan in Sangatta area, West Kalimantan to produce alumina. "They are very...

L&T's Odisha alumina refinery project under suspension
10 APR 20133MINS

L&T's Odisha alumina refinery project under suspension

Engineering & construction giant L&T on Tuesday said its integrated alumina refinery and smelter project in the state is under suspension. L&T through a joint venture partnership with Dubai Aluminium Ltd in 2005 had proposed to invest $5515 million on a three million tonne per annum (mtpa) alumina...

Orbite files prospectus with financial regulators to raise $300 million
05 APR 20131MINS

Orbite files prospectus with financial regulators to raise $300 million

Montreal-based Orbite Aluminae Inc., developing an alumina project in Quebec’s Gaspé region, said on Wednesday that it is filing a short-form prospectus with provincial regulators to provide future financial flexibility in funding its diverse projects over the next 25 months. It plans to raise...

Global Alumina releases its 2012 year-end results
29 MAR 20132MINS

Global Alumina releases its 2012 year-end results

Global Alumina Corporation, a corporation participating in a joint venture to develop an alumina refinery, mine and associated infrastructure in the bauxite-rich region of the Republic of Guinea (the "Project"), announced its financial and operating results for the year ended December 31, 2012. For...

CRU launches new bauxite long term market outlook
22 MAR 20132MINS

CRU launches new bauxite long term market outlook

CRU, independent commodity industry analysts and management consultants in the global metals, mining and fertilizer industries, have launched their new Bauxite Long Term Market Outlook, which provides detailed forecasts of the global bauxite industry. CRU’s team of industry experts has compiled the...

Global Alumina provides further update on Guinea Alumina project
22 MAR 20131MINS

Global Alumina provides further update on Guinea Alumina project

Global Alumina Corporation announced today a further update on its efforts to raise capital in order to, among other things, complete the previously-announced proposed acquisition from The Broken Hill Proprietary Company Pty Limited of its one-third interest in the Guinea Alumina joint venture...

Bosai Group's alumina project to be the largest alumina base in Chongqing
18 MAR 20131MINS

Bosai Group's alumina project to be the largest alumina base in Chongqing

With the running of Bosai 800 thousand tons alumina technical improvement project, Nanchuan has built the largest alumina base in the city; annual production reaching 1600 thousand tons. Through overseas expansion and technological improvement, the production capacity of Bosai Xianfeng Alumina...

Pilot bauxite projects in Vietnam ‘will pave the way for aluminium industry'
13 MAR 20133MINS

Pilot bauxite projects in Vietnam ‘will pave the way for aluminium industry'

Investing in two pilot bauxite projects in the Central Highlands is the right move for Vietnam and will pave the way for the country's aluminium industry to take off, according to Minister of Industry and Trade Vu Huy Hoang. "The decision to go for these two projects was made after careful...

Global Alumina updates on proposed capital raise and project restructuring
11 MAR 20132MINS

Global Alumina updates on proposed capital raise and project restructuring

Global Alumina Corporation announced today an update on its efforts to raise additional capital by way of debt or equity in order to complete the previously-announced proposed acquisition from Broken Hill Proprietary Company Pty Limited of its one-third interest in the Guinea Alumina joint venture...

Public hearings scheduled for Alumina Project Rondon
06 MAR 20131MINS

Public hearings scheduled for Alumina Project Rondon

Public hearings scheduled in Rondon do Pará and Elisha Bishop, southeast Pará, to discuss and debate about the project Alumina Rondon liability company Votorantim Metals, the new dates were confirmed by the Secretary of State for the Environment (SEMA), Wednesday, 6. The project Alumina Rondon, who...

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