Pollution Research Paper

Vol 38, August Suppl Issue; Page No.(S65-S71 )

EFFECTIVENESS OF MAGNETIC FIELD INDUCTION FROM SOLENOID COILS TO REDUCE LEADS (PB) IN WASTEWATER

SURYANI DYAH ASTUTI, LAILIA ANGGRAINI, AMILIYATUL MAWADDAH,FADLI AMA AND PUSPA ERAWATI

Abstract

This study aims to determine the effectiveness of a magnetic field induction to the reduction of Pb levels in industrial wastewater. The treatment given includes variations in the current of the solenoid coil with a total of 6565 windings. The sample used is the wastewater from the printing industry in Surabaya. The samples were divided into 5 groups, namely the control group without any treatments (K0), the stirring treatment group (K1), the treatment group of a solenoid magnetic field with a current of 1.5 A (K2), the treatment group of a solenoid magnetic field with a current of 1.75 A (K3), the treatment group of a solenoid magnetic field with a current of 2 A (K4) and the treatment group of a solenoid magnetic field with a current of 2.25 A (K5). Pb concentrations invarious treatments were measured using Atomic Absorption Spectroscopy (AAS). The results showed that an increase in solenoid current would increase the magnetic field strength. There is an influence of the magnetic field on the decrease in the Pb levels. The increased current will reduce Pb levels in the wastewater. The most significant percentage reduction in Pb level about 25% at 2.25A. So an increase in solenoid current will increase the effectiveness of decreasing Pb levels in industrial wastewater.

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