Phytoremediation of Coal Mining Acid Water in PT Bukit Asam Tanjung Enim South Sumatera

Abstract

The using of some water plants to improve the quality of waters which is polluted by acid mine drainage (AMD) containing sulphate(SO42-) and heavy metal(Fe and Mn) can be used as one of the ways of biological controls which is environmental friendly, accurate, effective and efficient. Research about "The Ability Test Several Types of Water Plants as the Agents Phytoremediation Acid Mine Drainage Coal PT Bukit Asam, TanjungEnim, South Sumatera" aims to know the ability of Eichhorniacrassipes, Limnocharisflava, and Neptuniaoleraceain phytoremediation acid mine drainage coal at many concentrations. This research use complete randomly plans (CRP), the pattern factorial with two factors, they were water plants (Eichhorniacrassipes, Limnocharisflava, and Neptuniaoleracea) and concentration of acid mine drainage coal (0%, 25%, 50%, 75% and 100%), every combination was repeated twice. Based on the data from the research, Eichhorniacrassipes, Limnocharisflava, and Neptuniaoleracea are potentially as agent of phytoremediation AMD. The high percentage of decreasing sulphate (SO42-) at 75% concentration of AMD as media for water plant but the ability of water plant to decreased sulphate is same level. Interaction between kinds of water plants with concentration of AMD effect the percentage of decreasing manganese (Mn), L. flavain 75% concentration of AMD has the percentage of decreasing manganese which is high rather than E. crassipesand N. oleraceain different concentration of AMD. By considering its ability of growth in AMD, N. oleraceahas a better capability than E. crassipes and L. flava.