Electrical determination of optimum alum dose for water treatment View Full Text


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Article Info

DATE

2018-12

AUTHORS

Moharram Fouad

ABSTRACT

The optimum alum dose has been estimated electrically based on the difference between the electrical charges in the treated and the raw water under the same conditions. For each level of turbidity and algae, a direct relationship was obtained between the alum dose and the difference values of the electrical charges in the raw and treated water under the same conditions. It was found that the electrical charges inside the same water come down directly with the reduction in the turbidity and algae values, especially under insignificant algae levels. Therefore, relationships between the electrical charge differences and turbidity and algae removal were obtained with error values of 0.0, 5, and 10.0 for algae concentration of 0.0, 103, and 106, respectively. Finally, the electrical charge difference between the turbid and treated water has been amplified and used instantaneously to control the required alum dose of the water. Further, an additional feedback signal has been set after settling process to ensure that there are no residual charges in the settled water. As a result, dynamic and instantaneous control of the alum dose has been achieved accurately. This technique can be used successfully in water treatment plants that have variable turbidity levels throughout the day to overcome the most human mistakes associated with alum feeding. More... »

PAGES

1-8

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s42108-018-0002-3

DOI

http://dx.doi.org/10.1007/s42108-018-0002-3

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1110177018


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