Abstract
Wastewater reuse presents a promising solution to the growing pressure on the world’s water resources. The use of municipal wastewater effluents for concrete production in the construction industry would result in energy and water savings leading to conservation and sustainability of our water resources. In this research, to promote and increase the reuse of wastewater in construction industry, both chemical and bacteria analyses were performed to ensure the recommended quality for concrete mixing water and the compressive strength of concrete specimens made with wastewater effluents was investigated and compared to specimens made with fresh water. Statistical analysis of the strength results showed that at 95% confidence interval, the compressive strengths of the control specimens and those of test specimens are not statistically different.
Highlights
Wastewater reuse presents a promising solution to the growing pressure on the world’s water resources (de Graaf et al, 2014)
Due to the concentration of bacteria in the wastewater at levels dangerous for human contact, the wastewater effluent was treated with oxidants for disinfection
Concrete specimens using the untreated wastewater effluents, the effluents treated with oxone and the effluents treated with potassium permanganate were tested for compressive strength and compared to the control specimens that were made using potable water
Summary
Wastewater reuse presents a promising solution to the growing pressure on the world’s water resources (de Graaf et al, 2014). According to the United States Environmental Protection Agency (USEPA, 2014a), some of these settings have already received benefits from the cost and energy-saving innovations such as reuse of wastewater for agriculture, public works, power plants and refineries cooling and toilet flushing. The reuse of wastewater provides the opportunity to save water, energy and money. The large-scale applications for energy savings may often be hindered by the technical, legal, social and economic challenges at community levels especially the upfront investment and/or operating costs (Mizyed, 2013). According to the USEPA (2014a), the most successful wastewater reuse has been in decentralized facilities around the country; there is a need to maximize wastewater reuse by investing in large industrial, commercial and residential applications
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