9780415367004

Natural Arsenic in Groundwater: Proceedings of the Pre-Congress Workshop "Natural Arsenic in Groundwater", 32nd International Geological Congress, Florence, Italy, 18-19 August 2004

by ;
  • ISBN13:

    9780415367004

  • ISBN10:

    041536700X

  • Edition: 1st
  • Format: Hardcover
  • Copyright: 2005-01-15
  • Publisher: CRC Press

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Summary

This book covers the occurrence of arsenic in groundwater, mobility constraints, water-sediment interactions, themes concerning aqueous geochemistry of arsenic in sedimentary and hard rock aquifers, natural environmental systems assessment of environmental health risks and economic impacts, and arsenic removal technologies. It aims to create interest within countries affected by arseniferous aquifers; update the status of knowledge on the dynamics of natural arsenic from the aquifers through groundwater to food chain; explain efficient techniques for arsenic removal; inform administrators, policymakers, and executives; and increase awareness of natural arsenic occurrences.

Table of Contents

Arsenic in groundwater of the Bengal Delta plain : geochemical evidences for small scale redox zonation in the aquiferp. 3
Genesis of arsenic contamination of groundwater in alluvial Gangetic aquifer in Indiap. 17
Arsenic pollution in groundwater of West Bengal, India : where we stand?p. 25
Mineralogical characteristics of the Meghna floodplain sediments and arsenic enrichment in groundwaterp. 31
Naturally occurring arsenic in groundwater of Terai region in Nepal and mitigation optionsp. 41
High arsenic concentrations in mining waters at Kank, Czech Republicp. 49
Natural arsenic in the groundwater of the alluvial aquifers of Santiago del Estero Province, Argentinap. 57
Arsenic source and fate at a village drinking water supply in Mexico and its relationship to sewage contaminationp. 67
Arsenic contamination of the Salamanca aquifer system in Mexico : a risk analysisp. 77
Arsenic pollution in aquifers located within limestone areas of Ogun State, Nigeriap. 85
Arsenic in groundwater and contamination of the food chain : Bangladesh scenariop. 95
Arsenic contamination in groundwater in Nepal : a new perspective and more health threat in South Asiap. 103
Estimating previous exposure to arsenic for populations living in parts of Hungary, Romania and Slovakiap. 109
Arsenic bioaccumulation in a green algae and its subsequent recycling in soils of Bangladeshp. 119
Environmental behavior of arsenic in a mining zone : Zimapan, Mexicop. 125
Natural enrichment of arsenic in groundwaters of Brahmanbaria district, Bangladesh : geochemistry, speciation modeling and multivariate statisticsp. 133
Microbial processes and arsenic mobilization in mine tailings and shallow aquifersp. 145
Geochemistry and geomicrobiology of arsenic in Holocene alluvial aquifers, USAp. 155
Arsenic contamination in drinking water of tube wells in Bangladesh : statistical analysis and associated factorsp. 163
The impact of low dissolved oxygen in recharge water on arsenic pollution in groundwater of Bangladeshp. 173
Technologies for arsenic removal from potable waterp. 189
Natural enrichment of arsenic in a minerotrophic peatland (Gola di Lago, Canton Ticino, Switzerland), and implications for the treatment of contaminated watersp. 205
A comparative study for the removal of As(III) and As(V) by activated aluminap. 211
Comparing the arsenic sorption capacity of Bauxsol and its derivatives with other sorbentsp. 223
Optimization of the removal of arsenic from groundwater using ion exchangep. 237
Sorption of arsenic on sorghum biomass : a case studyp. 247
Removal and recovery of arsenic from aqueous solutions by sorghum biomassp. 255
Optimisatioin of iron removal units to include arsenic removalp. 263
A simple and environmentally safe process for arsenic remediation - laboratory and field evaluationp. 273
Management of the groundwater arsenic disaster in Bangladeshp. 283
Strengthening water examination system in Bangladeshp. 297
Implementation of safe drinking water supplies in Bangladeshp. 307
Sustainable safe water options in Bangladesh : experiences from the Arsenic Project at Matlab (AsMat)p. 319
Prerequisite studies for numerical flow modeling to locate safe drinking water wells in the zone of arsenic polluted groundwater in the Yamuna sub-basin, West Bengal, Indiap. 331
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