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Increasing the percentage of a certain additive may improve one property of an oil, while at the same time degrading another. When the specified concentrations of additives become unbalanced, overall oil quality can be affected. Some additives compete with each other for the same space on a metal surface. For …

By simply including an additive, an inferior base oil cannot be converted into a premium product. It is illogical to use poor-quality oil on a continuing basis, and attempt to overcome its poor lubricating qualities with some special additive. A far better approach is to determine the manufacturer’s recommendation as …

EcoGraf Limited which owns assets in Tanzania is pleased with the recent infrastructure development at Ifakara district whereby a 20MVA substation was launched. The Substation is approximately 70 kilometers from Mahenge town which marks a kickoff for power supply to the Epanko project.   The US$9.6million Ifakara Substation launching was …

The Tanzanian government is making significant strides in enhancing the country’s energy sector by accelerating the activation of the second turbine at the Julius Nyerere Hydropower Plant (JNHPP). Despite facing challenges posed by overflowing water levels due to El Nino rains, the government remains committed to harnessing the potential of …

Australia’s Strandline Resources has agreed to sell its Tanzania mineral sands assets to a subsidiary of rare earths and mineral sands miner Shenghe Resources. Strandline will receive a total of $43-million, comprising A$27.2-million for the sale of Strandline’s shares in the Tanzania projects and A$15.8-million for the assignment to Shenghe …

The operations of AngloGold Ashanti remain conflict-free as of December 31, 2023, the gold miner states in its ‘Conflict-Free Gold Report 2023’ on May 31, emphasising that it extracts gold in a manner that does not fuel conflict. AngloGold follows guidelines of the World Gold Council’s Conflict-Free Gold Standard at …

Aim-listed Katoro Gold prioritised resource development at its Haneti project, in Tanzania, during the year ended December 31, 2023, owing to it being mindful of funding constraints. Early in the year, Katoro successfully raised £150 000 (gross), which was used for ongoing working capital and to conclude the project assessment …

Water scarcity poses a significant barrier to Africa’s growth and development, with climate change and deteriorating infrastructure intensifying the challenges, says advisory and analytics firm Frost & Sullivan consultant Hannro Steenekamp. He explains that South Africa’s ongoing water crisis, where about half of Johannesburg’s population of over 5.5-million people have …

Independent diamond miner Petra Diamonds’ sixth tender cycle for the 2024 financial year yielded $44-million from the sale of 371 000 ct. CEO Richard Duffy says like-for-like prices were marginally down through this seasonally quiet period, being 2.6% lower than for Tender 5, with demand slightly muted owing to Indian …

Aim-listed Kefi Gold and Copper has reported good progress, to schedule, at its high-grade Tulu Kapi gold project in Ethiopia. The remaining finance syndicate board processes are on track for final (conditional) approvals during May, while project launch preparations have started at Tulu Kapi. Kefi highlights that these developments coincide …