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Effects of silicate, sulfate, and carbonate on arsenic removal by ferric chloride
Abstract Effects of silicate, sulfate, and carbonate on the removal of arsenite [As(III)] and arsenate [As(V)] by coprecipitation with ferric chloride were studied. Silicate significantly decreased… Expand
Contamination of groundwater and risk assessment for arsenic exposure in Ha Nam province, Vietnam.
- V. Nguyên, S. Bang, P. Viet, K. Kim
- Environmental Science, Medicine
- Environment international
- 1 April 2009
The characteristics of arsenic-contaminated groundwater and the potential risks from the groundwater were investigated. Arsenic contamination in groundwater was found in four villages (Vinh Tru, Bo… Expand
Combined effects of anions on arsenic removal by iron hydroxides.
Batch experiments were conducted to investigate the combined effects of phosphate, silicate, and bicarbonate on the removal of arsenic from Bangladesh groundwater (BGW) and simulated groundwater by… Expand
Chemical reactions between arsenic and zero-valent iron in water.
Batch experiments and X-ray photoelectron spectroscopic (XPS) analyses were performed to study the reactions between arsenate [As(V)], arsenite [As(III)] and zero-valent iron [Fe(0)]. The As(III)… Expand
Removal of arsenic from water by zero-valent iron.
Batch and column experiments were conducted to investigate the effect of dissolved oxygen (DO) and pH on arsenic removal with zero-valent iron [Fe(0)]. Arsenic removal was dramatically affected by… Expand
Removal of arsenic from groundwater by granular titanium dioxide adsorbent.
A novel granular titanium dioxide (TiO2) was evaluated for the removal of arsenic from groundwater. Laboratory experiments were carried out to investigate the adsorption capacity of the adsorbent and… Expand
Arsenic in groundwater and sediment in the Mekong River delta, Vietnam.
- T. H. Hoang, S. Bang, K. Kim, M. H. Nguyen, D. Dang
- Geology, Medicine
- Environmental pollution
- 1 August 2010
A study of groundwater and sediment during 2007-2008 in the Mekong River delta in Vietnam (MDVN) revealed that 26%, 74%, and 50% of groundwater samples were above the US EPA drinking water guidelines… Expand
Reduction and adsorption mechanisms of selenate by zero-valent iron and related iron corrosion
Abstract The mechanisms of selenate [Se(VI)] removal by zero-valent iron (ZVI) were investigated using X-ray absorption spectroscopy (XAS) including X-ray absorption near-edge structure (XANES) and… Expand
Treatment of arsenic in Bangladesh well water using a household co-precipitation and filtration system.
Laboratory and field tests were conducted to evaluate the effectiveness of a household filtration process and investigate the effects of phosphate and silicate on the removal of arsenic from… Expand
Performance and mechanism of arsenic removal from water by a nanofiltration membrane
The removal of arsenic by a commercial nanofiltration membrane was evaluated with respect to the performance and mechanism. The important membrane properties governing the separation of arsenic, such… Expand