Crushing & Grinding Machines

Patents Assigned to Mintek

The furnace is of the type having a generally tubular heating chamber with a pair of spaced electrodes associated therewith and conveniently located one at each end of the tubular heating chamber The furnace has feed or discharge control means and the rate of feed or discharge is controlled according to the electrical resistance or current...

Jubilee Metals Group Plc Completion of ConRoast development

Jun 02 2010 0183 32 Jubilee and Mintek are pleased to announce the successful completion of the development programme for the ConRoast Smelting Process In March 2010 the demonstration DC-arc furnace passed the significant milestone of smelting 50 000 tons of material containing platinum group metals PGM as part of the development of ConRoast Highlights...

Mintek 2012 Strategic Plan briefing PMG

Mintek was losing the older more mature people who understood the operations at Mintek at a rate of over 12 per year which was a serious concern because people in the 40 to 50 age group were the pillars of the institution and understood what Mintek d...

Technological breakthrough of the Mintek thermal

Mintek process a DC open-arc furnace is used and the reaction is carried out at atmospheric pressure instead of the vacuum operations of the Pidgeon and Magnetherm process The furnace operating temperature is 1700 176 C to 1750 176 C The magnesium vapour that is generated in the furnace is condensed in a separate condenser vessel The Mintek process...

FOUR YEARS OF DC ARC SMELTING OF PGM

Mintek has developed and demonstrated an alternative process for smelting PGM-containing oxide feed materials that contain low amounts of sulfur and often high amounts of chromium oxide A DC arc furnace is used to provide the appropriate conditions to generate an iron alloy in which PGMs and base metals are collected...

SOME ASPECTS OF THE PRODUCTION OF

A number of ferrochrome smelting campaigns were carried out at Mintek These smelting campaigns produced in total about 229 tonnes of metal alloys and 207 tonnes of slag The most significant campaigns were carried out in a 2 m diameter furnace operating at a power flux of between 450 and 550 kW/m2 The furnace was operated in both single and...

MINTEK by Outlook Publishing

Feb 24 2017 0183 32 Mintek Business Brochure - Africa Outlook - Issue 47 M I N T E K Innovative products to clients worldwide Working closely with R D institutions to provide leading mineral technologies...

ConRoast smelter upgrade on track

Oct 15 2008 0183 32 Mintek SA Johannesburg GPS - 26 176 5 2577 S - 27 176 58 4527 E Private Bag X3015 Randburg South Africa Tel 27 11 709 4111 MINTEK Webmail...

Mintek annual report 2014 by Martine Whitehead

First plasma arc smelting tested in uK 1955 pilot plant for electrolytic manganese metal at West Rabd Consolidated 1980 pilot 32 MVA DC furnace commissioned at Mintek First micro...

ESS Smelting Technology

Fig 10 Mintek pilot ESS furnace The Mintek ESS furnace will have long and sidewall dimensions that are almost the same Therefore only a single off-gas duct in one side wall is installed The metal taphole is in the front wall whereas in this specific design slag...

PDF DC arc smelting of difficult PGM

A long-term large-scale demonstration of the DC arc furnace for PGM smelting has been underway at Mintek since 2004 and the recovery of PGMs has been demonstrated very successfully on over six...

DC arc smelting of difficult PGM

phase in the furnace Furthermore the quantity of chromium oxide in the feed materials is controlled in order to avoid the build-up of high-melting chromite spinels in the furnace Mintek has developed an alternative smelting process for the production of platinum group metals PGMs 1 2 Instead of the conventional matte smelting process the...

Simulation of ferro

DC arc furnace Smelting Simulation Pyrosim FactSage abstract Mintek has applied DC arc furnace technology to the reductive smelting of numerous materials over more than three decad The first industrial implementation of this technology was for the smelting of chromite fines to produce ferrochromium in 1984...

Titaco Johannesburg South Africa Mintek Randburg

the smelting of fine materials Mintek has developed and piloted processes for the smelting of ilmenite and chromite fines 10 Other successful Mintek applications of DC arc furnace technology include cobalt slag cleaning ferronickel zinc fuming and magnesium smelting The benefits of using a DC arc furnace have been listed elsewhere 10-11...

Mintek Thermal Magnesium Process

The Mintek Thermal Magnesium Process MTMP was successfully demonstrated in November 2004 The pilot plant was operated continuously for 8 days during which about 30 tons of magnesium producing recipe was smelted in a dc direct-current arc furnace at a feed rate of 525 kg/h The furnace was operated at power levels of 700 to...

mintek definition of mintek and synonyms of mintek English

Mintek is an autonomous research and development R D organisation specialising in all aspects of mineral processing extractive metallurgy and related technology Mintek was originally established as a Minerals research laboratory by the government of South Africa in 1934 It is still partly funded by the state with a mandate to promote mineral technology and to foster the establishment...

Quinn REYNOLDS Doctor of Philosophy Mintek

Mintek has produced 35-40 Ti-Al alloys in DC Arc Furnace campaigns however process difficulties encountered appear related to poor understanding of the alloys physical properti...

Isabella GELDENHUYS Manager Master of Engineering

Mintek has developed and demonstrated an alternative process for smelting PGM-containing oxide feed materials that contain low amounts of sulfur and often high amounts of chromium oxide...

Environmentally friendly PGM smelting process begins

Jubilee Platinum and Mintek have successfully completed the development program for the ConRoast smelting process In March 2010 the demonstration DC-arc furnace passed the significant milestone of smelting 45 000 t of material containing PGMs as part of the program...

Index Pyrometallurgy Division Mintek

Thermal radiation modelling of DC smelting furnace freeboards 230 kB QG Reynolds Pilot plant production of ferronickel from nickel oxide ores and dusts in a DC arc furnace 691 kB IJ Kotze The application and scale-up of AC and DC smelting furnaces for ferro-alloys 5706 kB NA Barcza IJ Barker MS Rennie and PJ Brereton-Stiles...

Lina Hockaday

flux Mintek has developed and patented the smelting of chromite ores in DC electric open-arc furnaces principally for the processing of ore fines of sizes less than 1 mm without the need for agglomeration Since the inception of this process the DC arc furnace test facilities at...

Rodney JONES Specialist Consultant Mintek

Mintek has applied DC arc furnace technology to the reductive smelting of numerous materials over more than three decad The first industrial implementation of this technology was for the...