Abstract
Water quality directly influences human life. Drinking water contamination can result in severe health problems. This paper deals with the analysis of water specimens from submergence of material containing high sulfuric fly ash as base course material for road building. The specimens were obtained from real road testing. Results showed that for the material that used fly ash and chemical admixture, water quality was suitable for drinking in accordance with the standard parameters prescribed by the Vietnam Ministry of Health, while for the material that used the same fly ash without chemical admixture, the total arsenic content was eight times higher than that of the former. Thus, if one desires to utilize fly ash with high sulfur as base course material for road building, it needs to be used in combination with appropriate chemical admixture, so that it would not affect ground water quality.
Highlights
Electricity consumption is growing nowadays especially in developing countries like Vietnam along with economy transformation [1]
The other parameters such as total iron content, lead content, total mercury content, total manganese content and nitrite content from the water of all samples are in compliance with the standard values
Fly ash with high sulfur can improve physical and mechanical properties of road building soil, the environmental issue related to the use of this industrial waste must be examined
Summary
Electricity consumption is growing nowadays especially in developing countries like Vietnam along with economy transformation [1]. Fly ash with high sulfur has been attempted to be Corresponding author: Nguyen Viet Duc, Thuyloi University, 175 Tay Son, Dong Da, Hanoi, Vietnam used as base course material for road building [19,20,21]. This type of fly ash improved the physical and mechanical properties of soil to the ordinary fly ash. Water quality was evaluated in accordance with the standards prescribed by the Vietnam Ministry of Health [25]
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