Venecio U. Ultra on Muck Rack

Venecio U. Ultra

As seen in: Wiley Online Library, Taylor & Francis Online
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Articles

Valorized agricultural waste amendments for potentially toxic element immobilization in mine-contaminated paddy soil

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By Venecio U. Ultra, Wendell L. Ultra, Katlarelo Lenny Sefatlhi
| Taylor & Francis Online
ABSTRACT The offsite impact of post-mining activities has resulted in the deposition of potentially toxic elements (PTEs) in soils devoted to farming in the catchment area and floodplains of the Taft River basin. This study evaluated the effects of raw and valorized carbonized rice hull and powdered mussel shell on soil properties and PTE availability.
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Quantification of microplastics in Coptodon rendalli and surface waters of Dikgatlhong Dam, Botswana: the first baseline evidence

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By Baatshwana Caroline Ditlhakanyane, Venecio U. Ultra, Serwalo Mercy Mokgosi, Sekgele Bobby Taupedi
| Taylor & Francis Online
ABSTRACT This study investigated the presence, distribution, and bioaccumulation of microplastics in surface water and Coptodon rendalli at six sites in Dikgatlhong Dam, Botswana: S1 (Tati River Inflow), S2 (Tati River Midway), S3 (Confluence), S4 (Boundary Wall), S5 (Shashe River Midway), and S6 (Shashe River Inflow). All samples were taken in a single day to ensure consistency.
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Heavy metal accumulation of aquatic grasses from mine tailing's wastewater drainage spillway of BCL Cu‐Ni mine in Selebi Phikwe, Botswana

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By Gaolathe Rantong, Gorata Ishmael, Venecio U. Ultra, Ofentse A. Keitshweditse
| Wiley Online Library Verified
CONFLICT OF INTEREST STATEMENT On behalf of all authors, the corresponding author states that there is no conflict of interest REFERENCES , & (2006). Acid mine drainage (AMD): Causes, treatment and case studies. Journal of Cleaner Production, 14(12-13), 1139–1145. https://doi.org/10.1016/j.jclepro.2004.09.006 , & (2001). Socio-economic and environmental impacts of mining in Botswana: A case study of the Selebi-Phikwe copper-nickel mine. Eastern Africa Social Science Research Review, 17(2), 1–42.
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