Now showing items 1-5 of 5
Cr(VI) contamination of aqueous systems
(North-West University (South Africa), 2016)
Hexavalent chromium, i.e. Cr(VI), is a potential pollutant species formed due to anthropogenic processes, e.g. leather tanning, Cr(VI) chemical production, stainless steel manufacturing and ferrochrome production. Cr(VI) ...
Wet deposition at a regional background site in South Africa : influence of air mass origin and rain intensity on chemical composition on chemical composition
(North-West University (South Africa), Potchefstroom Campus, 2017)
The chemical composition of rainwater is an integral aspect of atmospheric chemistry. Wet deposition gives a good indication of the general ambient air quality and contributes to the understanding of the temporal and spatial ...
Characterisation of air masses passing over the Vredefort Dome world heritage site
(North-West University (South Africa), 2015)
In 2007, it was announced that the Vredefort Dome will be proclaimed South Africa’s seventh UNESCO (United Nations Educational, Scientific and Cultural Organisation) world heritage site. It is the largest and second oldest ...
Comparison of physical properties of oxidative sintered pellets produced with UG2 or metallurgical grade South African chromite : a case study
The Bushveld Igneous Complex (BIC) in South Africa holds approximately three quarters of the world’s viable chromite ore deposits. Most chromite is used for the production of ferrochromium (FeCr), which is a relatively ...
Source apportionment of hydrogen sulphide at Elandsfontein in Mpumalanga Highveld
(North-West University, 2019)
As far as the candidate could assess, no H?S source apportionment has been conducted for the Mpumalanga Highveld, an area with known air quality problems. The lack of such assessments is due to current receptor-oriented ...