Pengolahan Limbah Minyak Pelumas dengan Menggunakan Metode Elektrokoagulasi

Abstract

Motor vehicles and the use of factory machinery is the largest user of lubricant oil. The waste generated by motor vehicles and plant machinery is included into B3 waste which needs special handling. There are many methods that can be used to handle lubricant wastes, such as electroplates, adsorption, acid clay treatments and electrocoagulation. In this study used electrocoagulation because this method is easy and not too dangerous because there is no addition of chemicals. The objective of this study was to study electrocoagulation method using aluminum and stainless steel electrodes and the effect of time to decrease of Fe metal content. This electrocoagulation treats lubricating oil waste electrically so that the ions present in the waste are absorbed by the binding coagulant that is released electrode so that there will be bonds between metal ions with coagulant. This research was conducted first reactor filled with lubricant oil waste containing Fe up to 1000mL. The anode (aluminum) is connected to the positive pole, whereas the cathode (stainless steel) is connected to the negative pole of the current rectifier (adapter). The electric current passing through the anode and cathode causes the displacement of the electrons from the cathode to the anode. Voltage variations used are 12 volts, 18 volts and 24 volts and 5A strong current with long stirring of each variation for 2 hours, 2.5 hours and 3 hours and plate plate variations used are 100mm × 25mm × 0.5mm, 100mm × 50mm × 0.5mm and 100mm × 75mm × 0.5mm. The most effective results in the study using electrocoagulation with 24 volt voltage with time of 3 hours for plate 100mm × 75mm × 0.5mm Fe content of remaining metal 26.47 ppm