Browsing by Subject "Nitrogen"
Now showing items 1-3 of 3
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Atmospheric deposition of sulphur and nitrogen over Eastern South Africa
(North-West University (South Africa), 2019)Adverse effects of acid deposition ascribed to increased atmospheric emission rates of acid-forming pollutants on terrestrial and aquatic ecosystems are a global concern. This is largely accorded to the emission of sulphur ... -
Inoculation of carbon and nitrogen in growth mediums to promote seed germination in mine rehabilitation
(North-West University (South Africa), Potchefstroom Campus, 2015)The mining industry has been a vital component in the development of South Africa. Activities related to the mining industry have resulted in major impacts, both environmental and social. The rehabilitation of mining-disturbed ... -
Membrane based separation of nitrogen, tetrafluoromethane and hexafluoropropylene
(North-West University, 2012)Pure fluorocarbon gases can be sold for up to 30 USD/kg, if they were manufactured locally. Due to the absence of local demand, South Africa at present has less than 0.3 % of the fluorochemical market and most fluoro–products ...
