By Peter Ravenscroft
ISBN-10: 1405186011
ISBN-13: 9781405186018
ISBN-10: 140518602X
ISBN-13: 9781405186025
ISBN-10: 1444308793
ISBN-13: 9781444308792
Arsenic pollutants summarizes the most up-tp-date learn at the distribution and factors of arsenic toxins, its effect on health and wellbeing and agriculture, and options when it comes to water provide, therapy, and water source administration.
- Provides the 1st international and interdisciplinary account of arsenic toxins occurrences
- Integrates geochemistry, hydrology, agriculture, and water offer and remedy for the 1st time
- Options are highlighted for constructing replacement water resources and strategies for arsenic trying out and removing
- Appeals to experts in a single self-discipline looking an summary of the paintings being performed in different disciplines
Read Online or Download Arsenic pollution: a global synthesis PDF
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Extra info for Arsenic pollution: a global synthesis
Example text
Elsewhere, pollution of alluvial aquifers has resulted in severe arsenicosis in at least three provinces of China. In North America, the USA is affected by extremely widespread and diverse cases of arsenic contamination, but the concentrations are typically lower than in Asia and diagnosed cases of arsenicosis are almost unknown. Europe has one severe case of arsenic pollution in Hungary, and many lowlevel occurrences that, as in the USA, were probably detected because of more intensive testing of water sources.
Thus, there are two competing means of trapping arsenic in minerals, under oxidising and reducing conditions, and so arsenic contamination occurs where, for reasons described later, neither sulphides nor oxides can remove arsenic from solution. The causes of natural arsenic pollution of groundwater In natural waters, arsenic is usually found in one of four chemical associations, which occur in more-or-less predictable geological and climatic settings, and each of which is associated with a characteristic cause, or mobilisation mechanism.
Some have suggested that developing countries should delay adopting a lower standard in order to prioritise the worst affected groups, and optimise use of limited financial resources. However, an alternative, morally defensible position would be to adopt the lower standard, and implement it through a phased but time-limited programme. 6 Water-supply Mitigation Historically, most water supplies were originally developed from local surface water sources and subsequently, due to the pressures of population growth and pollution, the source of supply has shifted to either groundwater or surface water transported from a remote source.
Arsenic pollution: a global synthesis by Peter Ravenscroft
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