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...
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...
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Deutsche Bank has reiterated its 'buy' rating on Hindalco and maintained the target price of Rs 148, an upmove of over 39 per cent from the current market price, on improving alumina pricing outlook. According to the brokerage, spot alumina prices have moved sharply higher recently on expectations...
Australia Minerals & Mining Group has filed a new patent application with the Australian Patent Office for its unique acid-based alumina processing technology. The technology produces alumina from its aluminous clay material with purity levels greater than 99.95% purity. It also benefits from a low...
Rio Tinto recently announced that it would not shut down its 2.75 million tonne (MT) Gove alumina refinery. The company clarified that it will be receiving energy assistance from the government of the country. The move could lead to a slowdown in the recent increase in alumina prices. However,...
Australia-based bauxite mining company Alumina Limited has reported a net loss of $62.1m for the full year 2012, reversing the previous year profits of $126.6m. The miner also reported a 13% drop in revenues to $5.8bn from its subsidiary Alcoa World Alumina and Chemicals (AWAC), as against revenues...
Credit Suisse upgraded shares of Alumina Limited to a neutral rating in a report issued on Friday. Separately, analysts at Goldman Sachs downgraded shares of Alumina Limited from a neutral rating to a sell rating in a research note to investors on Thursday, January 17th. Four equities research...
Alumina is holding off paying dividends despite recent price improvements and the post-balance-date equity injection of $452 million from China's state-owned Citic. There was no surprise on the dividend decision as sharply lower alumina and aluminium prices plus the revenue-sapping effects of the...
Departing BHP Billiton chief executive Marius Kloppers says the worst mistake of his 5 1/2-year tenure was not to do with acquisitions but a decision to pour billions of dollars into the Worsley alumina plant south of Perth. "We spotted a technological change in aluminium and we made a great...
The New York-based Fitch Ratings agency announced today that it had downgraded the Clarendon Alumina Production Ltd's ratings on the basis of the Jamaica government debt exchange, which closes today. This follows announcements made last week by international insurance rating agency A.M Best that it...
Alumina'a full year net losses have blown out and the troubled aluminium producer is bracing itself for more uncertainty ahead. The group's net loss for the 12 months to December 31 tripled to $US152.9 million from $US47.3 million ($148.42 million from $45.91 million) in 2011. Foreign exchange...
Despite great resource potential, government bureaucracy and local sensitivities have effectively stymied India’s bauxite/alumina expansions in the country. It is likely that smelter production will move well ahead of domestic alumina availability requiring higher imports over the next several...
Aluminium major Alumina has reported a net loss after tax of $62.1-million for the full 2012, compared with a net profit of $126.6-million last year, as aluminium prices declined. Revenue for the period was also down to some $5.8-billion, compared with the $6.6-billion reported in the previous...
BHP's aluminium and nickel division recorded a widening loss of $US285 million in underlying earnings before interest and tax in the half - down from a $US66 million loss a year earlier - the worst performance of any division. Further, impairments of $US1.5 billion after tax against the Worsley...
Australia's Alumina Ltd on Thursday said it was unlikely to bid for Rio Tinto's Pacific Aluminium business, but did not rule out that its new Chinese shareholder, state-owned CITIC Group, might be interested. "I don't believe that the intention of them (CITIC) coming on to our register has anything...
History and money link the U.S. and Australia but that’s not stopping China from shoehorning its way into the relationship at a business a level, as well as in laying the foundations for a push to replace the U.S. in a region it regards as its backyard and a critical supplier of raw materials. A...
Montreal’s Orbite Aluminae Inc. has received Russian and Chinese patents for producing alumina from aluminous clays found in Quebec’s Gaspé area and from other ores. Both countries are among the world’s largest producers of alumina, the intermediate material used in smelting aluminum metal. The...
Australia Minerals and Mining Group (AMMG) has successfully produced over 99.9% (3N) of high purity alumina (HPA) using its own unique aluminous clay (kaolin) to alumina processing technology. Using samples from all four of AMMG’s South West HPA projects in Western Australia, the material presented...
Precision Light and Air Pty Ltd specializes in in-line process analyzers for direct insertion into pipes and tanks for the alumina industry where high scale and erosive process is the norm. • Slurry liquor phase density meters for caustic concentration in clear liquors and slurries. • In line steel...
A few days ago,the commercial test of using the gangue for extracting alumina came off all right in the comprehensive utilization model park of gangue in Liulin country. The comprehensive utilization of gangue is a major transition project of Liulin Country,researched and developed by the...
