Palm Oil Mill Effluent Treatment Technology using Sequencing Batch Reactor (SBR) with Oxidation Reduction Potential (ORP) Monitoring

Andri Sanjaya; Desi Riana Saputri; Damayanti Damayanti; Yunita Fahni; Wika Atro Auriyani; Mustafa Mustafa

doi:10.33795/jtkl.v8i1.3340

Authors

Andri Sanjaya Chemical Engineering Department, Institut Teknologi Sumatera, Jalan Terusan Ryacudu, Lampung Selatan 35365, Indonesia
Desi Riana Saputri Chemical Engineering Department, Institut Teknologi Sumatera, Jalan Terusan Ryacudu, Lampung Selatan 35365, Indonesia
Damayanti Damayanti Chemical Engineering Department, Institut Teknologi Sumatera, Jalan Terusan Ryacudu, Lampung Selatan 35365, Indonesia
Yunita Fahni Chemical Engineering Department, Institut Teknologi Sumatera, Jalan Terusan Ryacudu, Lampung Selatan 35365, Indonesia
Wika Atro Auriyani Chemical Engineering Department, Institut Teknologi Sumatera, Jalan Terusan Ryacudu, Lampung Selatan 35365, Indonesia
Mustafa Mustafa Chemical Engineering Department, Institut Teknologi Sumatera, Jalan Terusan Ryacudu, Lampung Selatan 35365, Indonesia

DOI:

https://doi.org/10.33795/jtkl.v8i1.3340

Keywords:

aerobic granular sludge, oxidation-reduction potential, POME, sequencing batch reactor

Abstract

Palm oil industries have products like Crude Palm Oil (CPO), and 70% of others contain waste. One of the wastes is the liquid waste known as Palm Oil Mill Effluent (POME). The potential of POME to be reprocessed into clean water will be profitable. One of POME's reprocessing methods is the Sequencing Batch Reactor with Aerobic Granulated Sludge (SBR-AGS), which has five main phases: filling, idling, aeration, settling, and discharge, with a cycle time of 360 minutes. The first step in using this reactor is the start-up process, a granule-forming process from some sludge that has already acclimatized. In one complete cycle, the Oxidation-Reduction Potential (ORP) parameter is used to observe the electron transfer process that shows the oxygen supply into the reactor, which enables the condition of each phase in the process to be analyzed. The trend of ORP value is constantly changing in every phase. For the idling phase, the ORP tends to decrease in a value of (-300)-(-400) mV, and for the aeration phase, it will increase in a value of (-100)-100 mV.

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