Pollution Research Paper

Vol 39, Issue 2, 2020; Page No.(221-226 )

THE EFFECTS OF CURRENT DENSITY, TREATMENT TIME AND PH ON THE REMOVAL OF COLOUR FROM SALINE LANDFILL LEACHATE USING ALUMINIUM ELECTRODE IN ELECTROCOAGULATION PROCESS

MOHD AZHAR ABD HAMID, HAMIDI ABDUL AZIZ, MOHD SUFFIAN YUSOFF AND SHEIKH ABDUL REZAN S. ABDUL HAMID

Abstract

This paper examines the significance influence of the operational condition such as current density (60 A/m2 to 780 A/m2), treatment time (5 min to 60 min) and pH (5 to 10) on the elimination of colour from Pulau Burung Municipal Landfill leachate which is saline in nature. A laboratory scale batch reactor was conducted using Aluminium electrode in a parallel-monopolar arrangement directly connected to the DC power supply (60V/5A) to increase the performance of the electrocoagulation reactor. The initial value of colour and salinity leachate electrolyte is 8427 Pt-Co and 15.13 ppt respectively was identified before the treatment process. The key influence of natural salinity leachate in this research is current density was observed at 540 A/m2, treatment time at 60 min, optimum pH at 8 and the total colour removal obtained was up to 71%. The empirical findings in this study provide insights on the potential of utilizing electrocoagulation process as a viable option to remove highly colored leachate with adequate salinity without ancillary to the electrolyte.

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