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Marleny Arnoldi

Marleny Arnoldi

Marleny Arnoldi is a Creamer Media Online Writer for Engineering News and Mining Weekly.

Tel: +2711 622 3744


Keras to start bulk sampling testwork at Nayega project in early 2019

15th November 2018 Aim-listed Keras Resources remains on schedule to ship a 10 000 t bulk sample of manganese, mined at the Nayega manganese project, in Togo, for pyrometallurgical testwork, by the end of January. The company on Thursday stated that about 6 000 t (of +12mm manganese) has been pre-screened on the... 

Mantashe to engage Amadiba Crisis Committee around Xolobeni mine

15th November 2018 Mineral Resources Minister Gwede Mantashe will, on Saturday, host a meeting, in Mbizana, in the Eastern Cape, with the Amadiba Crisis Committee and its legal representatives to discuss the Xolobeni matter. During a previous engagement with the Minister, Amadiba made a presentation against... 

Botswana Diamonds buys Alrosa’s stake in Sunland JV, talks with new partner progress

15th November 2018 Aim-listed Botswana Diamonds (BOD) has completed the acquisition of Russian diamond miner Alrosa’s 50% interest in the Sunland Minerals joint venture (JV), giving BOD full ownership of the project. BOD on Thursday also announced that negotiations were under way with a potential new JV partner –... 

Stable growth forecast for 2019 wine grape crops

15th November 2018 Wine industry representative body Vinpro expects 2019 wine grape crops will return to normal levels in most regions, owing to good rainfall after a three-year-long drought. However, the Klein Karoo region is still experiencing serious water shortages, it warned on Thursday.  

Sibanye-Stillwater concludes gold wage agreement with three unions

15th November 2018 JSE- and NYSE-listed gold miner Sibanye-Stillwater has signed a three-year wage agreement with the National Union of Mineworkers, Solidarity and UASA for the period July 2018 to June 2021. The agreement allows for increases to the basic wage of Category 4 to 8 surface and underground employees... 

Policy support needed for development of sustainable alternative energy sources – SAEEC

14th November 2018 Although natural gas is about 60% cleaner than coal in terms of carbon dioxide emissions, it currently contributes only 1.5% of the country’s total primary energy needs. Even through the National Development Plan (NDP) aims to delink economic development from environmental decay and... 

South Africa must consider charging strategies before investing in EVs

14th November 2018 South Africa needs to develop controlled charging strategies before it embarks on large-scale investment in electric vehicles (EVs), Council for Scientific and Industrial Research research engineer Paseka Mabina said during the South African Energy Efficiency Confederation conference, on... 

Energy industry in need of efficiency intervention

13th November 2018 The global energy industry finds itself in urgent need of energy efficiency intervention, in support of preventing the earth from heating up by 4.5 ˚C by 2100, South African Energy Efficiency Confederation (SAEEC) president Lisa Reynolds said during the opening of the SAEEC Conference, on... 

Energy efficiency important in mitigating climate change

13th November 2018 South Africa is warming up, with a current estimated 4 ˚C to 6 ˚C increase in national temperature expected by 2050, compared with the global threat of a 4.5 ˚C temperature increase by 2100, Department of Environmental Affairs climate change director Reitumetse Molotsoane said on Tuesday.... 

Energy industry steadily embracing digitalisation, 4IR

13th November 2018 Internet traffic data has grown from 2 TB in 1987 to 1.1 zettabytes, or 1.1 ZB, in 2017, meaning digitalisation is already upon us, and not a distant dream, said national Cleaner Production Centre industrial energy efficiency project manager Alfred Hartzenburg. Speaking at the South African... 

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