Abstract
This work aims to study the technical problems of algal blooms that hinder the purification process of surface water used for drinking purposes and not its harmful effect on human health and the surrounding environment. It is also related to the demonstration of the improved coagulation process as an efficient technique in the algal removal from surface water by its application in jar tests. The study was carried out in the water purification plant in Nazlet Abdellah near the city of Assiut, Egypt. To achieve that, many ores and natural materials which aid in the removing of the algal blooms from surface water during the purification processes were tested. The examined materials should be technically and economically proper for improving the removal of algae from treated surface water for drinking purposes. The results showed that the kaolinite and bentonite (K and B) when coupled separately with aluminum sulfate (alum.) (the main coagulant agent) associated with the raw surface water in the flocculation basin were more efficient in the algae removal from treated surface water before reaching the sand filters by ratio up to 90%.
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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by Eman Abdel Rahman Mahmoud, Atef Mohamed Gad, Abd El Hay Ali Farrag, and Shaimaa Abdo Mohammed Aboeldahb. The first draft of the manuscript was written by Eman Abdel Rahman Mahmoud and all authors commented on previous versions of the manuscript. All authors have read and approved the final manuscript.
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Mahmoud, E.A., Gad Mohamed, A.M., Farrag, A.E.H.A. et al. Evaluation of the most promising techniques overcoming the algal problems takes place during the purification of drinking water. Environ Sci Pollut Res 28, 44239–44248 (2021). https://doi.org/10.1007/s11356-021-13674-3
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DOI: https://doi.org/10.1007/s11356-021-13674-3