Environmental pollution has increased many folds in recent years and in some places has
reached levels that are toxic to living things. Among pollutant types, toxic heavy metals and …

Highly contaminated groundwater, with arsenic (As) and fluoride (F−) concentrations of up to
2.4 and 22.8 mg/L, respectively, has been traced to anthropogenic inputs to the soil. In the …

Rice husk adsorption column method has proved to be a promising solution for arsenic (As)
removal over the other conventional methods. The present work investigates the potential of …

Arsenic (As) is considered to be one of the top environmental contaminants of concern
worldwide. In many regions in Pakistan, there are reports of increased levels of As in the …

Like India, Bangladesh and China, Pakistan also has some regions where concentration of
Arsenic in water has crossed the WHO safe drinking water limits, 10 ppb. Presence of …

Arsenic enrichment in aquatic ecosystems is a life‐threatening and environmental issue all
over the world. The toxic arsenic occurs in organic and inorganic forms in the environment …

Soil has the ability to persist contaminants for a longer duration which lowers the quality of
soil for agricultural use. Soils augmented with a load of heavy and toxic metals and organic …

An attempt has been made to assess the arsenic contamination and role of anthropogenic
activities on its release in the groundwater of alluvial aquifers occurring on deltaic flood plain …

Arsenic is one of the most harmful pollutants in groundwater. In this paper, the Nepali bio
sand filter (BSF) was modified with different bio-adsorbents, and proved to be an efficient …

An elevated content of arsenic (As) in ground water in large area of Pakistan is becoming a
serious threat to its inhabitants. Hi-tech technologies may not be feasible to remove As in …