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Bleaching of kraft pulps produced from green liquor pre-hydrolyzed South African Eucalyptus grandis wood chips

Author: Andrew, JE ; Johakimu, Jonas K ; Sithole, Bishop B Date: 2014 The effect of hemicellulose pre-extraction of South African Eucalyptus grandis wood chips using green liquor, on subsequent kraft pulping and bleaching processes was studied. This was done in the context of a biorefinery mill producing both ... Read more
Climate change and environmental health in southern Africa: it's not all about malaria

Author: Wright, C ; Thambiran, Tirusha ; Matooane, M ; Engelbrecht, F ; Bopape, Mary-Jane M ; Olwach, J Date: Jul 2011 In South Africa, the most commonly talked-about climate change-related human health risk is a changing pattern in the distribution and severity of malaria. However, there are three other important issues that also deserve some attention if ... Read more
A global observational analysis to understand changes in air quality during exceptionally low anthropogenic emission conditions

Author: Sokhi, RS ; Singh, V ; Querol, X ; Finardi, S ; Creso Targino, A ; De Fatima Andrade, M ; Pavlovic, R ; Garland, Rebecca M ; Massague, J ; Kong, S Date: Dec 2021 This global study, which has been coordinated by the World Meteorological Organization Global Atmospheric Watch (WMO/GAW) programme, aims to understand the behaviour of key air pollutant species during the COVID-19 pandemic period of exceptionally ... Read more
An investigation of high ozone episodes in the City of Johannesburg

Author: Padayachi, YR ; Thambiran, Tirusha ; Naidoo, M ; Garland, Rebecca M ; Phala, N Date: Oct 2014 A study of ozone monitoring data in Johannesburg highlighted that the city is frequently affected by high ozone episodes. There is limited knowledge about the chemical and meteorological drivers of these high ozone episodes in Johannesburg. ... Read more
An investigation of high ozone episodes in the City of Johannesburg

Author: Padayachi, YR ; Thambiran, Tirusha ; Naidoo, M ; Garland, Rebecca M ; Phala, N Date: Oct 2014 A study of ozone monitoring data in Johannesburg highlighted that the city is frequently affected by high ozone episodes. There is limited knowledge about the chemical and meteorological drivers of these high ozone episodes in Johannesburg. ... Read more
Measurements of sulfur dioxide, ozone and ammonia concentrations in Asia, Africa, and South America using passive samplers

Author: Carmichael, GR ; Ferm, M ; Thongboonchoo, N ; Woo, JH ; Chan, LY ; Murano, K ; Viet, PH ; Mossberg, C ; Bala, R ; Boonjawat, J ; Upatum, P ; Mohan, M ; Adhikary, SP ; Shrestha, AB ; Pienaar, JJ ; Brunke, EB ; Chen, T ; Jie, T ; Guoan, D ; Peng, LC ; Dhiharto, S ; Harjanto, H ; Jose, AM ; Kimani, W ; Kirouane, A ; Lacaux, JP ; Richard, S ; Barturen, O ; Cerda, JC ; Athayde, A ; Tavares, T ; Cotrina, JS ; Bilici, E Date: Mar 2003 Measurements of gaseous sulfur dioxide (SO2), ammonia (NH3), and ozone (O3) using IVL passive sampler technology were obtained during a pilot measurement program initiated as a key component of the newly established World Meteorological ... Read more

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Browsing by Subject "Ozone"

Browsing by Subject "Ozone"

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