By Satinder Ahuja
Offers a manageable reference, describing the state-of-knowledge on assets of arsenic infection in floor water, which impacts approximately a hundred million humans around the world. With contributions from world-renowned specialists within the box, this ebook explores advancements within the delivery kinetics, detection, dimension, seasonal biking, accumulation, geochemistry, elimination, and toxicology of arsenic. contains compelling case reports describing how arsenic illness happens and the devastating results at the humans and atmosphere tormented by it.
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Extra info for Arsenic Contamination of Groundwater: Mechanism, Analysis, and Remediation
Arsenic was found to be concentrated primarily in the roots and straws of rice and other cereal crops. The uptake of arsenic is passive (Streit and Stumm, 1993) and is translocated to most parts of the plants. Comparing the arsenic in rice from Bangladesh and Japan, Hironaka and Ahmad (2003) have conﬁrmed that the contents are very similar. However, they mentioned that the rice being produced in arsenic-contaminated areas of Bangladesh contained two to three times more arsenic than that in rice grown in uncontaminated areas.
Community-Based Wellhead Arsenic Removal Units In many remote villages in West Bengal, arsenic-contaminated groundwater remains the only feasible source of drinking water. Cost-effective arsenic removal technology is a minimum necessity to provide safe drinking water. The groundwater is otherwise free of other contaminants and safe for drinking. Over 150 wellhead arsenic removal units, containing activated alumina as the adsorbent, are currently being operated by local villagers in this state in India, which borders Bangladesh.
In another study, Islam et al. 3 to 49 mg/kg). Soils in the western and southwestern parts of the country contain the highest concentration, the irrigated soils containing more than the nonirrigated soils, and the top 0 to 150 mm having the highest levels (FAO, 2006). Nevertheless, either negative or no signiﬁcant correlation between the arsenic content of irrigation water and surface soil arsenic loading has been observed by the author in his investigations. Table 1 shows the results from three of the areas studied.