Effect of storage and preparation methods of Moringa oleifera seeds during the coagulation process

Lorena L. Salazar Gámez, Mario Luna-delRisco, Roberto Salazar Cano

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


© 2015 Balaban Desalination Publications. All rights reserved. Abstract: Many developing countries around the world are now facing a water deficit crisis that worsens with climate change variations. In the particular case of Colombia, water deficit is a major concern in the whole territory, but it gets worse in rural areas. Since 70s, water purification in Colombia is based on conventional physicochemical processes, in which the most common coagulant used is aluminum sulfate (Alum). This study focuses on the behavior of color and turbidity removal of different extraction methodologies of a natural coagulant, Moringa oleifera. Results showed that turbidity removal efficiency was not affected by oil extraction. However, oil extraction increases the complexity of the process. Salt addition during coagulant solution preparation increases turbidity and color efficiency removal. No significant difference (p < 0.05) on turbidity and color removal was found between coagulant solution storage at 24°C (room temperature) and 4°C. Coagulant solution of M. oleifera was found to be very efficient on polluted waters with high concentration of color.
Original languageAmerican English
Pages (from-to)16376-16383
Number of pages8
JournalDesalination and Water Treatment
StatePublished - 26 Jul 2016


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