Browsing by Subject "Ozone"
Now showing items 1-10 of 20
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The applicability of advanced treatment processes in the management of deteriorating water quality in the Mid-Vaal river system
(North-West University, 2015)The main objective of this study was to determine the applicability of advanced water treatment processes namely granular activated carbon (GAC) adsorption, ultraviolet (UV) light disinfectant and ozone in the management ... -
Appraisal of ozone as biologically active molecule and experimental tool in biomedical sciences
(Springer, 2011)Ozone (O3) (CAS 10028-15-6) is a major air industrial pollutant and is well known for its very strong oxidative actions which affords the molecule its useful antimicrobial and deodorizing properties, but also its potential ... -
Cr(VI) formation during ozonation of Cr-containing materials in aqueous suspension: implications for water treatment
(WRC, 2012)Ozonation, or advanced oxidation processes (utilising ozone decomposition products as oxidants) are widely used in industrial wastewater and drinking water treatment plants. In these applications the use of ozone is based ... -
The effect of ozone and drought on the photosynthetic performance of canola
(Elsevier, 2018)Canola plants were fumigated in open-top chambers with ozone (O3) (120 ppb) under well-watered (WW) and water-stressed (WS) conditions for 4 weeks. Non-fumigated plants were also studied to facilitate comparison between ... -
Effect of ozone on photosynthesis and seed yield of sensitive (S156) and resistant (R123) Phaseolus VulgarisL. genotypes in open-top chambers
(Springer, 2013)Rising tropospheric ozone (O3) concentrations have been identified as a significant threat to crop production. In the present study two snap bean (Phaseolus vulgaris L.) genotypes with known difference in sensitivity to ... -
The effect of pre-ozonation on the physical characteristics of raw water and natural organic matter (NOM) in raw water from different South African water resources
(North-West University, 2006)Research in the use of ozone in water treatment conducted by many authors support the idea that the nature and characteristics of natural organic matter (NOM) present in raw water determines the efficiency of ozonation ... -
The impact of different industrial related abiotic stresses on maize photosynthesis
(North-West University (South Africa), Potchefstroom Campus, 2015)During the past few decades, a sharp rise in industrial activity in the mineral rich Highveld region of South Africa has been seen. Together with this increase in industrial activity, an accompanying increase in urbanization ... -
Investigating atmospheric photochemistry in the Johannesburg-Pretoria megacity using a box model
(ASSAf, 2016)Urban air pollution has become a major concern over the past decades. One of the largest conurbations in Sub-Saharan Africa is developed around the cities of Johannesburg and Pretoria (Jhb-Pta megacity). In this study, ... -
Investigations on the respiratory effects of ozone in the rodent
(North-West University, 2010)Ozone, being an unstable molecule, is believed to be one of the strongest oxidant agents known to man. Rapid growth in the application of ozone — both as disinfectant and as form of alternative medicine — led to questions ... -
Kontrasterende invloed van chroniese osoonblootstelling op fotosintetiese elektronoordrag en CO2-assimilering in gevoelige (S156) en bestande (R123) Phaseolus vulgaris L. genotipes
(Suid-Afrikaans Akademie vir Wetenskap en Kuns, 2018)Troposferiese osoon (O3) word beskou as een van die belangrikste lugbesoedelstowwe aangesien dit wêreldwyd meer skade aan landbougewasse aanrig as al die ander besoedelstowwe saam. Weens die oksiderende aard daarvan ...
