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Minerals and Metals Processing, Smelting and Refining

New water atomisation plant to benefit platinum industry

By: Gia Costella     7th September 2012 State-owned minerals researcher Mintek has completed the construction of, and is now commissioning, a new R40-million water atomisation plant at its Johannesburg facility, in Randburg, which it says will benefit the platinum industry in particular. Commissioning of the plant is expected to be... 

Mozambique branch opened to cash in on coal sector development

By: Gia Costella     7th September 2012 Minerals processing solutions provider Multotec has opened a branch in Tete province, in Mozambique to service the country’s growing coal sector. The country’s coal output is expected to jump to 100-million tons a year in the next decade. “Recently, many mining companies have realised the... 

Minerals processing company focuses on Tanzania, Ghana, DRC

By: Gia Costella     7th September 2012 Minerals processing and project management company MDM Engineering sees massive development potential in Africa and has selected Ghana, Tanzania and the Democratic Republic of Congo (DRC) as the key countries in which it intends to secure repeat business. “We decided to focus on these countries... 

Importance of mining equipment appraisal education highlighted

By: Gia Costella     7th September 2012 As mining activity ramps up on the continent, the huge mining equipment spreads currently existing in Africa are actively marketed by distributors; therefore, the mining industry should ensure that it is able to identify the best technology available for the processing, refining and smelting of... 

Acquisition proving successsful, significant contracts secured

By: Gia Costella     7th September 2012 Italian engineering group Tenova’s April acquisition of South African mining engineering house Bateman Engineering is already proving successful, with Tenova Mining & Minerals winning several contracts locally and abroad. “The latest project, which involves two major contracts being awarded to... 

Best option for processing minerals in Africa studied

7th September 2012 International engineering and project management company Amec senior process engineer Trisha Naidoo sees significant opportunities for mining and processing of banded magnetite deposits on the African continent, and studies the best option for processing the mineral. She says a natural iron-ore... 

New energy efficient melting systems enter market

By: Natasha Odendaal     2nd September 2011 Induction heating solutions company Hot Platinum’s (HPT’s) insulated gate bipolar transistor-based induction melting technologies, combined with a high level of system automation, have resulted in an estimated 30% decrease in energy use and reduced times for melting metals, says MD Ali Brey. 

Ammonia leaching technology replaces sulphuric acid

By: Natasha Odendaal     2nd September 2011 Minerals processing technology firm MC Process has been appointed the global technical partner for London-listed Alexander Mining to introduce an ammonia leaching process onto the African market for the first time. 

Growth opportunities abound but challenges remain

By: Natasha Odendaal     2nd September 2011 Global engineering and technology corporation Metso’s mining and construction technology segment has received an order intake, its largest to date, of €1.185-million during the second quarter of this year. This is up from €841-million in the first quarter. 

Expansions establish further customer confidence

By: Natasha Odendaal     2nd September 2011 Mineral-sizing technology company MMD Mineral Sizing Africa has completed a R20-million, 6 000 m2 expansion of its Longmeadow manufacturing premises, in Johannesburg. 

Malaysian gold mine tailings storage facility to expand

2nd September 2011 Canadian mining company Monument Mining has started stage two of the tailings storage facility construction at its wholly owned Selinsing gold mine, in the Pahang state, Malaysia.  

Water use in mines driving technology

By: Natasha Odendaal     2nd September 2011 The increasing need for the efficient management of water in the mining sector is providing technology companies, such as water treatment and process improvement company Nalco Africa, with opportunities to develop new solutions and technologies for mining customers, says Nalco Africa industry... 

Mining by-products can reduce algal blooms

By: Natasha Odendaal     2nd September 2011 The use of abundant, low-cost by-products generated by mineral processing, offers a potentially cost-effective and environment-friendly strategy for the removal of nutrients, says Commonwealth Scientific and Industrial Research Organisation (CSIRO) project leader Dr Grant Douglas. 

Multiple projects progressing on schedule

By: Natasha Odendaal     2nd September 2011 Metallurgical and chemical solutions provider Outotec is progressing on schedule with the €119-million design and delivery of a new manganese sinter plant, the largest in the world, for the Kalagadi Manganese project, near Hotazel, in the Northern Cape, says marketing communications manager for... 

Project management firm awarded iron-ore DFS

2nd September 2011 Engineering and project management company Amec has been awarded a definitive feasibility study (DFS) for iron-ore developer Ferrum Crescent Limited’s Moonlight iron-ore project, in the Limpopo province.  

Feasibility study for a new CIL gold plant awarded

By: Natasha Odendaal     2nd September 2011 Minerals processing and project management company MDM Engineering has been awarded the feasibility study for a 2.4-million-ton-a-year carbon-in-leach (CIL) gold plant, which will treat reclaimed tailings and current-flotation unrefined tailings for gold miner African Barrick Gold’s 100%-owned... 

DRC cobalt increase driving technology

By: Natasha Odendaal     2nd September 2011 Cobalt extractive metallurgy and process engineering technology developments over the past two decades are helping miners in the Democratic Republic of Congo (DRC) and elsewhere to meet the increasing world demand for cobalt. 

Trapped-key interlocking system improves safety at chrome smelter

13th August 2010 Industrial automation specialist Rockwell Automation installed a trapped-key interlocking system to improve safety, sequential operation of the furnace power switching and access control at a chrome smelter in Steelpoort, in Mpumalanga province, says Rockwell Automation commercial engineer Roy... 

Low-energy processing plant for use on mines

13th August 2010 Process engineering company Appropriate Processing Techniques (APT) has designed a simplified circuit for its low-energy processing plant that uses batch and continuous Knelson concentrators to capture elemental liberated gold, as well as sulphide carriers, reducing energy and space requirements.... 

Bentonite processing plant reduces process time, ensures supply

13th August 2010 Industrial minerals company G&W Mineral Resources’ bentonite processing plant at the Matsopa-Koppies mine, near Parys, will be able to handle both wet and dry bentonite and has significantly reduced the process time, says process technology supplier Birkenmayer product development manager... 

Rubber mill 
liners installed in Eritrea gold mine

13th August 2010 Rubber mill liner specialist company Multotec Rubber has installed two mill liners in a semiautogenous grinding (SAG) mill and in a ball mill for the Bisha Mining Share Company at the Polysius gold/copper mine. The mills will be commissioned in the second half of 2010, says Multotec sales manager... 

Thermal coal processing plant to be completed soon

By: Schalk Burger     13th August 2010 Process plant design and mining project management specialist DRA Mineral Projects new Hakhano Colliery thermal coal processing plant, near Middelburg, in Mpumalanga province, will be completed by the end of August 2010, says Hakhano Colliery plant manager Bruce Breckle. 

Using existing technology in new applications

By: Schalk Burger     13th August 2010 Minerals and metals processing equipment supplier MC Process has used existing technologies and processes in new applications in three of its latest projects, says MC Process director Mark Craddock. 

Hesitant minerals processing equipment market returning

By: Schalk Burger     13th August 2010 The hesitant market for minerals and metals processing equipment is slowly returning, with users putting significantly more time into researching and evaluating equipment before buying, says process equipment supplier specialist MC Process director Mark Craddock. 

Crystallisation vessels bound for Ambatovy

13th August 2010 Three crystallisation vessels for the ammonium sulphate plant at the nickel/cobalt joint-venture Ambatovy Project mine, in Madagascar, left Durban harbour in June this year. The vessels will form part of the plant, which was designed by water and fluid engineering specialist VWS Envig to treat a... 

Uranium, copper and gold processing projects in Africa soar

By: Schalk Burger     13th August 2010 The number of uranium-, copper- and gold-processing projects has increased in Africa with innovative extraction processes being implemented, says mining engineering company AMEC Minproc technical manager Steve Amos. 

Stirred vertical mills improve copper concentrate regrinding

13th August 2010 The 2245 kW vertical, stirred mill manufactured by minerals and metals processing equipment manufacturer Metso Minerals improves the regrinding process of copper concentrates, by increasing attrition grinding in the mill, and has been proven in Chilean copper plants and mines, the company reports. 

Innovative uranium and ferronickel processing emerges

By: Schalk Burger     13th August 2010 Minerals- and metals-processing specialist Bateman Engineering is currently working on uranium and ferronickel projects and reports signs of the commodities industry emerging from the recession. 

New spinning slag 
granulation method will save energy and costs 

13th August 2010 A new dry slag granulation method could be used commercially within two to three years, providing a sustainable solution for treating the many millions of tons of molten slag produced globally each year. 

‘De-hassling’ the minerals operation on 15 sites 

By: Martin Creamer     21st May 2010 The 1 500-empoyee Minopex, which last year turned over R1,2-billion, is a company that specialises in the outsourced operation and maintenance of mineral processing plants.  

Beating growth target of two new plants a year

By: Martin Creamer     21st May 2010 Outsourced plant operation and maintenance specialist Minopex is exceeding its target of winning contracts to run two additional mineral processing plants a year. Minopex last year secured contracts to operate three additional plants and this year the company is being contracted to run another... 

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