Spatial and temporal variations of groundwater arsenic in South and Southeast Asia

S Fendorf, HA Michael, A Van Geen - Science, 2010 - science.org
Over the past few decades, groundwater wells installed in rural areas throughout the major
river basins draining the Himalayas have become the main source of drinking water for tens …

Application of titanium dioxide in arsenic removal from water: a review

X Guan, J Du, X Meng, Y Sun, B Sun, Q Hu - Journal of Hazardous …, 2012 - Elsevier
Natural arsenic pollution is a global phenomenon and various technologies have been
developed to remove arsenic from drinking water. The application of TiO2 and TiO2-based …

[图书][B] Geomicrobiology

HL Ehrlich, DK Newman - 2008 - taylorfrancis.com
Uncovers the Key Role Microbes Play in the Transformation of Oxidizable and Reducible
MineralsMany areas of geomicrobial processes are receiving serious attention from …

[HTML][HTML] Groundwater hydrogeochemistry and probabilistic health risk assessment through exposure to arsenic-contaminated groundwater of Meghna floodplain …

N Saha, MS Rahman - Ecotoxicology and Environmental Safety, 2020 - Elsevier
A clear understanding of various hydrogeochemical processes is essential for the protection
of groundwater quality, which is a prime concern in Bangladesh. The present study deals …

Near-surface wetland sediments as a source of arsenic release to ground water in Asia

ML Polizzotto, BD Kocar, SG Benner, M Sampson… - Nature, 2008 - nature.com
Tens of millions of people in south and southeast Asia routinely consume ground water that
has unsafe arsenic levels,. Arsenic is naturally derived from eroded Himalayan sediments …

Release of arsenic to deep groundwater in the Mekong Delta, Vietnam, linked to pumping-induced land subsidence

LE Erban, SM Gorelick, HA Zebker… - Proceedings of the …, 2013 - National Acad Sciences
Deep aquifers in South and Southeast Asia are increasingly exploited as presumed sources
of pathogen-and arsenic-free water, although little is known of the processes that may …

Adsorption of humic acid onto nanoscale zerovalent iron and its effect on arsenic removal

ABM Giasuddin, SR Kanel, H Choi - Environmental science & …, 2007 - ACS Publications
Batch experiments were performed to investigate the feasibility of humic acid (HA) removal
by synthetic nanoscale zerovalent iron (NZVI) and its interaction with As (III) and As (V), the …

Anthropogenic influences on groundwater arsenic concentrations in Bangladesh

RB Neumann, KN Ashfaque, ABM Badruzzaman… - Nature …, 2010 - nature.com
The origin of dissolved arsenic in the Ganges Delta has puzzled researchers ever since the
report of widespread arsenic poisoning two decades ago. Today, microbially mediated …

Release of arsenic associated with the reduction and transformation of iron oxides

HD Pedersen, D Postma, R Jakobsen - Geochimica et Cosmochimica Acta, 2006 - Elsevier
The behaviour of trace amounts of arsenate coprecipitated with ferrihydrite, lepidocrocite
and goethite was studied during reductive dissolution and phase transformation of the iron …

The effect of silica and natural organic matter on the Fe (II)-catalysed transformation and reactivity of Fe (III) minerals

AM Jones, RN Collins, J Rose, TD Waite - Geochimica et Cosmochimica …, 2009 - Elsevier
The Fe (II)-catalysed transformation of synthetic schwertmannite, ferrihydrite, jarosite and
lepidocrocite to more stable, crystalline Fe (III) oxyhydroxides is prevented by high, natural …