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Publications (15)
The role of climate in the Coronavirus disease 2019 (COVID-19) transmission appears to be controversial, as reported in earlier studies. In Africa, the subject is poorly documented. In this study, over the period from January 1st, 2020 to September 31, 2022, the daily variations in cumulative confirmed cases of COVID-19 for each African country (54...
The COVID-19 pandemic, which outbroke in Wuhan (China) in December 2019, severely hit almost all sectors of activity in the world as a consequence of the restrictive measures imposed. Two years later, Africa still emerges as the least affected continent by the pandemic. This study analyzed COVID-19 prevalence across African countries through countr...
To address water and climate change-related challenges in Africa, there is a need to identify and scale appropriate local existing innovation and solutions. This implies effective interaction among stakeholders in the water sector to generate, increase and exchange knowledge and innovation. To foster such interactions, AfriAlliance designed and org...
It has been reported that persistent cyanide pollution occurs in artisanal small-scale gold mining (ASGM) catchment areas in Burkina Faso. In the present study, logistic regression (LR) and Regression Kriging (RK) methods were applied to predict cyanide pollution hazard at the catchment level as well as to determine the most vulnerable areas to pri...
This study reports on the cyanide degrading bacteria (CDB) identified from artisanal mining sites and their free cyanide (FCN) degradation kinetics in aqueous medium. CDB were isolated from soil and water samples contaminated with FCN. The CDB were mainly dominated by Pseudomonas aeruginosa, Citrabacter sp., Providencia sp. (BAB-6345), Providencia...
This study reports on the cyanide degrading bacteria (CDB) identified from artisanal mining sites and their free cyanide (FCN) degradation kinetics in aqueous medium. CDB were isolated from soil and water samples contaminated with FCN. The CDB were mainly dominated by Pseudomonas aeruginosa, Citrabacter sp., Providencia sp. (BAB-6345), Providencia...
Free cyanide (FCN), a carcinogenic product, is a chemical compound that is widely used
without any control in artisanal small-scale gold mining (ASGM) for gold processing.
Cyanide-containing leachate is released into the environment without any treatment. The
dynamics of released FCN in water and soil in two ASGM-affected catchments were
primarily...
Free cyanide (FCN), a carcinogenic product, is a chemical compound that is widely used without any control in artisanal small-scale gold mining (ASGM) for gold processing. Cyanide-containing leachate is released into the environment without any treatment. The dynamics of released FCN in water and soil in two ASGM-affected catchments were primarily...
In this work, natural laterites from Burkina Faso were calcined at different temperatures in the range 400–800 °C. XRD, EDS, N2 adsorption manometry and TGA–DSC analyses together with a thorough analysis of available literature data, support that the laterite sample consists mainly of goethite and hematite embedded in a framework of kaolinite and q...
Several synthetic dyes are produced yearly around the world. MB has mostly been used as prototypical dye and has two aromatic rings which are hardly degradable. Advanced Oxidation Process (AOPs) are effective in the degradation of bio-reluctant organic pollutants. Fenton process is an AOP, based on the generation of hydroxyl radicals with hydrogen...
It has been reported that persistent cyanide pollution occurs in artisanal small-scale gold mining (ASGM)-affected catchment areas in Burkina Faso. In the present study, the logistic regression method was employed to identify the factors that influence the spatial distribution of cyanide pollution as well as to predict the cyanide pollution map ris...
Cyanide is a chemical that is widely distributed in the environment, mainly as a result of anthropogenic
activities. Only small quantities are naturally produced. Most industrial activities use this chemical
compound for manufacturing a product as electroplating or for extracting gold. Exposure to cyanide
results in negative health impacts to the w...
KEY ISSUES: The outcome of this study will be the development of models which build on the existing infrastructure endowment in Ouagadougou and examine the impact on cost-benefit ratios of existing sanitation infrastructure/ management systems under relevant current climate extremes; future climate changes acting on existing sanitation infrastructu...
Soil and water samples were collected from a watershed in Burkina Faso where illegal artisanal gold extraction using cyanidation occurs. The samples were used to evaluate cyanide contamination and the presence of cyanide degrading bacteria (CDB). Free cyanide (F-CN) was detected in all samples, with concentrations varying from 0.023 to 0.9 mg kg−1,...
