This review presents a holistic overview of the occurrence, mobilization, and pathways of
arsenic (As) from predominantly geogenic sources into different near-surface environmental …

Abstract Today (year 2020), the globally recognized problem of arsenic (As) contamination
of water resources and other environments at toxic levels has been reported in all of the 20 …

In the context of the Doce river (Southeast Brazil) Fundão dam disaster in 2015, we
monitored the changes in concentrations of metal (loid) s in water and sediment and their …

The collapse of the Fundão Dam, in Southeastern Brazil, caused about 50 million m³ of iron
ore tailings to sluice down the mountain to Rio Doce, in what is considered the greatest …

Owing to the toxicity and adverse effects of arsenic on human health, its levels in aquatic
environments are among the most serious threats to humans globally. To improve our …

This paper presents a summary of some relevant documents published during the last
decades regarding arsenic contamination in Brazil until December 2018, including scientific …

Arsenic (As) is one of the most hazardous substance to human health because it is a toxic
and carcinogenic chemical element. Hydrotalcites, the main class of layered double …

Anthropogenic activities in river basins, especially large-scale water conservancy projects,
have notably impacted the physical, chemical and ecological environments of estuaries and …

Heavy metal pollution in sediment is one of the most serious problems in water bodies,
including rivers, which can cause secondary pollution when environmental conditions …

High concentrations of total arsenic (As), even above the Brazilian legislative threshold for
marine sediments of 70 mg kg− 1, were found in beach sands and near-shore surface …