Browsing Health Sciences by Subject "Silica"
Now showing items 1-3 of 3
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Characterisation of airborne dust in South African underground and opencast coal mines : a pilot study
(2015)Dust is a well-known occupational hygiene challenge and has been throughout the years, especially in the coal mining industry. The hazards arising from coal dust will differ between geographical areas due to the unique ... -
Exposure to silica during the production of titanium dioxide from beach sand
(North-West University, 2012)Silica is a common silicon dioxide (SiO2) that can be crystalline or non-crystalline (amorphous). Amorphous silica is considered to be less hazardous than crystalline silica. Three dominant crystalline polymorphs exist, ... -
Respiratory exposure during the additive manufacturing of sand casting moulds
(North-West University (South Africa) , Potchefstroom Campus, 2016)Background: During additive manufacturing (AM) of sand casting moulds, potential dust species of unknown particle size or mineral composition, and hazardous chemical substances (HCS’s) such as silica (crystalline), volatile ...