Arsenic-rich groundwater is currently being used as drinking water by millions of households
in different parts of the world. The problem of arsenic intoxication by contaminated drinking …

Publisher Summary The investigations of suitable techniques for lowering arsenic (As)
concentrations in water treatment plants of Hanoi, and the household adsorption and …

Arsenic removal efficiencies of 43 household sand filters were studied in rural areas of the
Red River Delta in Vietnam. Simultaneously, raw groundwater from the same households …

In the last decade, arsenic-related health problems have been revealed as a serious
problem in terms of the number of people at risk and the degree of the adverse health …

Natural contamination of anoxic groundwater by arsenic has become a crucial water quality
issue in many parts of the world. The problem was first recognized in 1989 in West Bengal …

Since well water utilized for domestic purposes in the Red River Delta of North Vietnam has
been reported to be polluted by arsenic, barium, iron, and manganese, household sand …

Household sand filters are applied to treat arsenic-and iron-containing anoxic groundwater
that is used as drinking water in rural areas of North Vietnam. These filters immobilize …

The characteristics of arsenic-contaminated groundwater and the potential risks from the
groundwater were investigated. Arsenic contamination in groundwater was found in four …

Existence of toxic levels of arsenic in groundwater and its severe health effects are prevalent
in many countries around the world (Bhattacharya et al., 2002; Chakraborti et al., 2002 …

Arsenic contaminated aquifers were discovered in late 1998 in the Red River Delta of
northern Vietnam through a cooperative project between Vietnam and Switzerland aiming at …