The invention relates to the use of maghemite nanoparticles at pH less than 5 to remove sulphate, manganese, copper, nickel, cobalt and zinc metal ions from acid mine drainage (AMD). In conventional AMD treatment, these pollutants are only removed at higher pH, and that requires costly alkaline
This novel system allows for digital monitoring of payloads on heavy vehicles and avoids repetitive, physical weighing of compliant vehicles at static weighbridges to check overloading status. This is achieved by digitally linking all weighbridges and existing or new cameras on a specific corridor
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The invention relates to a novel process of partial oxidation of un-agglomerated chromite ore in ferrochrome production processes. The process includes the steps: Providing a source of un-agglomerated chromite ore; subjecting the source of un-agglomerated chromite ore to pre-oxidation at a
The North-West University (NWU) has pioneered the novel use of Europium-Tellurium-Oxide (ETO) in the production of clean energy. ETO is a light-chargeable catalyst material that exhibits sustained and enhanced activity after light excitation has ended. Its unique characteristics present an
Fly ash, is a waste by-product from the coal-fired electricity generating stations. Power stations need to dispose of the fly ash in a safe and environmentally friendly manner, making the need to utilize fly ash important. The production of zeolites is one way to beneficiate the fly ash waste where

The product is a locally produced, cost-effective plant health diagnostic tool. A collection of plant virus antisera is maintained at the Virology unit of ARC-Plant Health and Protection (ARC-PHP). The antisera were manufactured from plant viruses obtained from various crops in South Africa, thus

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Green Coal is environmentally friendly coal briquettes produced from discarded fine coal, bio-char material, and proprietary chemical binders. The briquette reduces sulphur emissions during combustion by approximately 50%, while also increasing the burning effectiveness. The bio-char addition to the

Green Clean Surfaces for Safe Food Preparation Nutridx® is a disinfectant enhanced by the addition of a natural anti-microbial compound. It has been specifically formulated to disinfect and sterilise of food and food processing equipment as well as internal and external hard surfaces. It has been

Sol-gel Long Lasting Power These long-lasting and significantly safer batteries are novel because of their sol-gel base. A uniform carbon coating process produces high-performance lithium-ion batteries. This method makes use of organic phosphoric acid as carbon and phosphoric sources to produce

Coarse particle transportation is essential for moving slurries, or fluids containing very high concentrations of pulverised solids, for example, hydraulic transport of coal ore or waste materials. Due to a scarcity of water and a high concentration of the solid particles, pipe blockages are common

Stumpout®: Protecting Indigenous Fauna with a Fungus Black and golden wattle trees (Acacia mearnsii and Acacia pycnatha) are considered an invasive alien species in South Africa, they out-compete and replace local fauna and consume more water than many of their indigenous counterparts

Lachenalia: Not A Flower By Any Other Name South African floral diversity is well known worldwide. Gerbera, Gladiolus, Freesia, Ornithogalum, and Protea representing some of the most important floral crops and all of them originated here in South Africa. The world export market for floriculture