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Furnaces and Kilns News

New hard-rock applications for grinding technology

By: Keith Campbell     6th September 2002 High Pressure Grinding Rolls, already well-established in diamond-mines across the world, are now being applied to harder rock ores thanks to improvements in the wear protection system design. 

SA's golden millennium shows Africa's deep mining roots

By: Keith Campbell     30th August 2002 AT the dawn of the Twenty-first century, South Africa’s single most valuable export is, again (it was briefly usurped by platinum) gold – just like it has been for the past one thousand years. 

Gold-mine gets R3m in agitators

By: nkolola halwindi     9th August 2002 Leader in mixing technology Lightnin Africa, formerly Aeromix, has completed the supply of agitators to Avgold’s Target gold-mine. 

SA a leader in gold-recovery tech

By: nkolola halwindi     9th August 2002 The South African gold-mining industry can be considered as a world leader in gold-recovery technology with the industry successfully employing carbon-in-pulp (CIP) pumpcell technology and recently embarking on projects to develop the hands-free gold production concept, observes gold... 

SA engineering group pursues CIS mining, processing projects

     26th July 2002 South African company Bateman has recorded significant success in mining, minerals, oil and gas projects in the Commonwealth of Independent States to date. 

Diamond, gold-mines embrace Oz gravity-separation solution

By: vanessa vasques     19th July 2002 From humble beginnings in the back-yard of those that established it, Gekkos Systems, which specialises in gold and diamond gravity-separation processes, is today a multimillion-dollar company bringing innovative technology to the mining industry across the world. 

Mozambique's first ilmenite mine on track

By: Marius Roodt     12th July 2002 Irish mining firm Kenmare Resources will be ranked as one of the top five titanium producers in the world once its Moma project in Mozambique comes on stream in 2004. 

Richards Bay producer grows production base

By: Marius Roodt     12th July 2002 One of the world’s leading producers of titanium products, Richards Bay Minerals (RBM), of Kwazulu-Natal, foresees that increased competition could lead to an oversupply of feedstock to the titanium-dioxide(TiO2) pigment industry. 

Finnish techno giant commits to project in the long term

By: candice haase     5th July 2002 Finnish technology supplier Outokumpu has committed itself to SA Chrome beyond its involvement in the engineering and supply of equipment and erection services for the construction of the smelter. 

Customised density-measurement solution

     28th June 2002 Thermo Ramsey’s long-standing relationship with local platinum producers was recently reinforced with the ordering of several items of equipment for use in the platinum industry. 

R16-million glass reinforced polyester vessels commissioned

     28th June 2002 Designer, manufacturer and erector of glass-reinforced polyester products for the mining, metallurgical and chemical industries Speedmark Plastics, which recently became a subsidiary of the Amiantit Group, of Saudi Arabia, has completed a R16-million contract at the Amplats Waterval Smelter plant... 

Scada system to control Modikwa concentrator

     28th June 2002 The Modikwa platinum concentrator has been equipped with an Adroit supervisory control and data acquisition (Scada) system. 

Agency to back minerals development, research

     21st June 2002 Science council Mintek recently established a subsidiary company, Mindev (Pty) Ltd, as part of its mandate to increase the domestic beneficiation of South Africa’s minerals and metals. 

Project manager appointed for Mimosa work

     21st June 2002 Project manager and design consultant Dowding, Reynard & Associates (DRA) has been given the go-ahead by Mimosa Mining to proceed with the Phase III upgrade of its concentrator plant. 

Diamond recovery made easier by new plant

     14th June 2002 Local company Dowding, Reynard & Associates (DRA) has developed a dense medium separation (DMS) plant, available in two versions, which is capable of recovering diamonds and diamond indicator grains down to 300 micrometres from prospecting samples. 

First-time diamond application for screen

     14th June 2002 The first OmniScreen to be used in a diamond application has been supplied by IMS Engineering to Namdeb Diamond Corporation. 

Grizzly feeder refurbished at Botswana mine

     14th June 2002 Mining equipment supplier Humboldt Wedag South Africa, a subsidiary of the German multinational supplier KHD Humboldt Wedag, has been contracted by the Debswana Mining Company to refurbish an existing Humboldt Wedag resonance grizzly feeder, for use at the new Debswana Damtshaa mine in Botswana. 

Year-end commissioning for Kimberley project

     14th June 2002 The De Beers Kimberley Mines Combined Treatment Plant (CTP) project is on track to reach full production by the end of the year. 

The disappearing act of Gauteng's golden dumps

By: Keith Campbell     10th June 2002 The Hloekisa Project is a proposal to reprocess all gold mine dumps on the Witwatersrand, not just the profitable ones, as an environmental remediation programme. 

Platinum ore no match for chute systems

     7th June 2002 The installation of Weba Chute Systems at Anglo Platinum’s Amandelbult UG2 Concentrator has resulted in a marked reduction in the high wear associated with the UG2 material being processed at this platinum-mine in the Northern Province. 

The disappearing act of Gauteng's golden dumps

By: Keith Campbell     7th June 2002 The Hloekisa Project is a proposal to reprocess all gold mine dumps on the Witwatersrand, not just the profitable ones, as an environmental remediation programme. 

Tower cranes are to raise gold production

     7th June 2002 Johannesburg-based SA French, the Southern African distributors for Potain, has recently supplied two new tower cranes for use in the 220 000 t/m gold plant at South Deep mine, in Gauteng, which is a joint venture between Western Areas and Canadian miner Placer Dome. 

Novel technology treats fines, discard materials

     24th May 2002 The CSIR Tunnel-Kiln technology is a novel and alternative method of treating fine and discard materials to unlock hidden value that has so far been inaccessible. 

Supplier completes mining equipment supply chain

     17th May 2002 Having established itself as a leading supplier of specialised materials handling equipment, opencast infrastructure (shiftable and extendible conveyors, as well as in-pit crushing plants) and custom-designed minerals processing equipment, Krupp Mining and Materials Handling (KMMH) now also... 

SA research breakthrough may lead to Oz plant

     13th May 2002 South African minerals researcher Mintek has developed a process to produce electrolytic manganese dioxide (EMD) from low-grade manganese ores that eliminates the costly up-front pyrometallurgical prereduction step. 

11 small mining projects shortlisted for investment focus

     10th May 2002 THE Department of Minerals and Energy has compiled a list of 11 small to junior-scale mining projects in South Africa that are in the market for investment. 

Junior has industrial-minerals growth plan

By: Keith Campbell     3rd May 2002 SMALL diversified mining group New Kleinfontein is to expand its production of industrial minerals and increase its market share. 

Africa's mining sector a boon for pumpmaker

By: Keith Campbell     19th April 2002 Africa now accounts for 20% of Weir-EnviroTech's turnover & the company seeks to increase exports; also, new belt tensioning system developed. 

Junior coal firm in export push

By: Irma Venter     19th April 2002 Junior coal-miner Carolina Coal is in the process of growing its export market by 50% to 70% in the next three years. 

Level control for flotation circuits

     12th April 2002 Reliable level control is critical to achieving consistent metallurgical performance in mill flotation circuits, but is not easy to achieve. 

Platinum concentrator plant is to be completed in Sept

     12th April 2002 Project manager and design consultant Dowding Reynard and Associates (DRA) has been given the go-ahead to proceed with the Voorspoed concentrator project for Messina Platinum Mining. 

SA mining goods sector targets China's gold-mining market

By: Keith Campbell     22nd March 2002 South Africa is targetting China, and particularly that country’s gold mining sector, as an export market for local mining and processing technologies, equipment and services. 

Need for SA valuation code urgent

     15th March 2002 The South African Institute of Mining and Metallurgy (SAIMM) was invited by its Australian counterpart (AusIMM), to prepare a paper for the International Valmin 2001 conference in Sydney, held in October last year. 

Talks halted on Nigerian minerals projects

By: Martin Zhuwakinyu     15th March 2002 The mineral-processing and mining equipment-manufacturing projects which metallurgical-technology organisation Mintek seemed to be on the verge of implementing in Nigeria with local partners are now in abeyance, a senior official tells Mining Weekly. 

PGM plant gets 50% throughput boost

     22nd February 2002 An upgrade of the Kroondal platinum-concentrator plant for Aquarius Platinum has been completed ahead of time and below budget by project manager and design consultant Dowding, Reynard & Associates (DRA). 

PGM refining division generates fine earnings

     22nd February 2002 Business at South Africa’s second-largest platinum company’s refining arm is booming. 

Mineral science council makes progress on magnesium project

By: Keith Campbell     18th January 2002 MINERALS and beneficiation science council Mintek has achieved an important milestone in the development of its magnesium furnace project. 

Rotary kilns installed for magnesite conversion

     23rd November 2001 One of two new rotary kilns installed by mining and chemical company Chamotte at its works near Malelane, in Mpumalanga, has been commissioned. 

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