PENURUNAN KADAR SULFAT (SO4 2-) PADA LIMBAH CAIR RUMAH SAKIT MENGGUNAKAN METODE ELEKTROLISIS DENGAN ELEKTRODA KARBON
Abstract
The research has been conducted on the effluent treatment of hospital waste water
using electrolysis method with carbon electrode. This research is aimed to
decrease the sulfate content (SO42-) contained in the hospital liquid waste. The
effect of treatment on the electrolysis process on sulfate concentration was
analyzed using UV-Vis spectrophotometer. The hospital's wastewater contains
6.1547 mg/L of sulfate. Decreased sulfate levels were investigated by electrolysis
on potential, time and electrolytes. The results showed the best decrease of sulfate
concentration occurred at 3 V potential, 60 minutes time and 0.1 N HCl
electrolyte. At 3 V potential there was a decrease of sulfate content by 20.72%,
while at 60 minutes there was a decrease of sulfate level by 16, 49% and in
addition of 0.1 N HCl electrolyte there was a decrease in sulfate content by
41.27%. Electrolysis method using carbon electrode is effective because it can
decrease sulfate concentration in hospital liquid waste.
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