EFFECTS OF NaCl AND H2O2 CONCENTRATIONS ON LIGNIN REMOVAL USING ELECTROCOAGULATION METHOD

Galuh Yuliani, Rahmaditha Murida, Kinia Mitasari

Sari


The electrocoagulation (EC) method has been widely investigated for various water treatment processes. In this research, a simple EC apparatus has been constructed using three plates of electrodes arranged in parallel mode. The EC was then applied for the treatment of synthetic lignin solution as a simulated pulp mill wastewater. The effects of types of electrodes, electrolysis time, current density, pH and inner electrodes distance on the removal of lignin from the aqueous solution were investigated. It was found that the addition of NaCl significantly improved the EC efficiency from 75% to 98%. In contrast, the addition of H2O2 and the dose interval did not seem to improve the EC efficiency.

Kata Kunci


electrocoagulation, lignin removal, pulp mill wastewater, sodium chloride

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Referensi


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DOI: https://doi.org/10.17509/ci.v2i1.45433

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