dc.description.abstract | Telah dilakukan pengolahan limbah rumah sakit JIH dengan metode elektrokoagulasi menggunakan anoda dan katoda Al-Al. Penelitian ini bertujuan untuk menurunkan kadar Chemical Oxygen Demand (COD) dan pH. Penurunan kadar Chemical Oxygen Demand (COD) dan pH dilakukan dengan metode elektrokoagulasi. Limbah yang digunakan memiliki kadar Chemical Oxygen Demand (COD) 196 mg/L dan pH 6,9. Penurunan kadar Chemical Oxygen Demand (COD) dilakukan dengan elektrokoagulasi pada waktu 20, 25, 30 dan 35 menit dan elektroda yang dicelupkan 3 cm dan 4 cm. Pengaruh nilai waktu dan elektroda yang dicelupkan diteliti dengan menggunakan spektrofotometer UV-Visible. Hasil penelitian menunjukkan bahwa kondisi optimum metode elektrokoagulasi pada waktu 35 menit dan panjang elektroda 3 cm diperoleh penurunan Chemical Oxygen Demand (COD) sebesar 49,83% dan 82,14%. Sedangkan setelah dielektrokoagulasi pH sampel mengalami kenaikan, rata-rata pH sampel yang telah dielektrokoagulasi mendekati pH basa. Hal ini membuktikan bahwa penggunaan metode elektrokoagulasi dalam pengolahan limbah cair rumah sakit cukup efektif.
JIH hospital waste treatment has been done by electrocoagulation method using anode and Al-Al cathode. This research aimed to reduce levels of Chemical Oxygen Demand (COD) and pH. Decrease in levels of Chemical Oxygen Demand (COD) and pH is done by electrocoagulation method. The waste used has Chemical Oxygen Demand (COD) 196 mg / L and pH 6,9. The decrease of Chemical Oxygen Demand (COD) concentration performed with electrocoagulation at 20, 25, 30 and 35 minutes and dipped electrodes 3 cm and 4 cm. The effect of time value and dyed electrode in electrocoagulation on the descrease of Chemical Oxygen Demand (COD) were identified by spectrophotometer UV-Visible. The results showed that optimum condition of electrocoagulation method at 35 minutes and length of 3 cm electrode obtained by Chemical Oxygen Demand (COD) decrease 49,83% and 82,14%. Whereas after electrocoagulation the pH of the sample had increased, the average electrocoagulation pH of the sample approached the alkaline pH. This proves that the use of electrocoagulation method in hospital effluent treatment is quite effective | en_US |