Sustainable use of natural and chemical coagulants for contaminants removal from palm oil mill effluent: A comparative analysis

A. H. Jagaba, S. R.M. Kutty, G. Hayder, A. A.A. Latiff, N. A.A. Aziz, I. Umaru, A. A.S. Ghaleb, S. Abubakar, I. M. Lawal, M. A. Nasara

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Abstract

This article aimed at determining the optimum coagulant dose for various coagulants. This is to ascertain coagulant with the potential for higher removal of contaminants. By fixing the initial pH, settling time, coagulant aid dose, rapid mixing speed & time, slow mixing speed & time as constant parameters, the study assessed the process efficiency in terms of percentage removals for TSS, oil & grease, COD, NH3-N, turbidity and colour. The results indicated that the optimum dosage for FeCl3, moringa oleifera, aluminum sulphate, chitosan and zeolite was found to be 1000, 2000, 4000, 400 and 1000 mg/L, respectively. Results were analysed using the one-way analysis of variance (One-Way ANOVA) of Statistical Package for Social Sciences (SPSS) Version 17 where P-values for all contaminants tested across various coagulants and their dosages found to be <0.05. Thus, the null hypothesis is discredited which indicate there is significant improvement in the removal efficiencies.

Original languageEnglish
JournalAin Shams Engineering Journal
DOIs
Publication statusAccepted/In press - 01 Jan 2020

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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    Jagaba, A. H., Kutty, S. R. M., Hayder, G., Latiff, A. A. A., Aziz, N. A. A., Umaru, I., Ghaleb, A. A. S., Abubakar, S., Lawal, I. M., & Nasara, M. A. (Accepted/In press). Sustainable use of natural and chemical coagulants for contaminants removal from palm oil mill effluent: A comparative analysis. Ain Shams Engineering Journal. https://doi.org/10.1016/j.asej.2020.01.018