Abstract
Analysis of dielectric barrier discharge (DBD) plasma reactor electrically has been done. DBD as low-temperature plasma was used on liquid wastewater palm oil mill effluent (POME) treatment. The dielectric barrier discharge plasma reactor consists of electrodes in the stainless made of screw rod with a length of 40 cm and diameter of 1.84 cm and outer electrode as winding coil with a diameter of 2.25 cm. The outer electrode was made of copper wire windings with a diameter of 0.87 mm that was wrapped in a Pyrex tube with 0.25 cm thick, with a 20 mm inner diameter and tube length of 30 cm. Plasma reactor purged with argon gas discharge flow at 4 L/min which was connected to an AC voltage of 4 kV and frequency of 15 kHz. POME was inserted into the reactor by the time variation of 0, 30, and 60 minutes. The most optimal results in 60 minutes with a Chemical Oxygen Demand (COD) value of 115.62 mg/L or still 18% compare with an initial and TSS value of 1018 mg /L or rest 85%. We also determined the charges carrier mobility by using modified Robinson Equation, and we found that average mobility with samples is always high than average mobility without samples.
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