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All Journal SAINSMAT: Jurnal Ilmiah Ilmu Pengetahuan Alam
Nopi Stiyati Prihatini
Universitas Lambung Mangkurat Banjarbaru

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Phytoremediation of Fe and Mn Acid of Coal Mine with Eceng Gondok (Eichornia Crassipes) and LBB System at PT. JBG South Kalimantan Rahmat Yunus; Nopi Stiyati Prihatini
Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam Vol. 7 No. 1 (2018): Volume 7 Nomor 1 (Maret 2018)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar

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Abstract

Acidic acid water (ATT) is a waste water formed from a series of chemical reactions and biological activity during and after exploitation of open-air coal. Coal containing sulphide in the presence of oxygen and water is oxidized to form sulfuric acid to have a pH <4. This condition facilitates the solubility of Fe and Mn. As a result, AAT becomes a great potential as environmental polluters. This study aims to determine the efficiency of Fe and Mn removal at AAT. The method used is phytoremediation by usingwater hyacinth (Eichhornia crassipes) and purun tikus (Eleocharis dulcis) on artificial wetland system (LBB). The treatment was carried out for 25 days with a flow rate of 5 m3 / day. Measurements and sampling are done every 5 days. Measurements of Fe andMn concentrations using ICP-OES. The results of the analysis show that LBB is only able to increase the pH from 3.20 to 5.31. Water hyacinth and purple mice were able to accumulate Fe and Mn with the highest Bioconcentrate (FBK) factor for Fe, respectively of 1701,12 and 1010,86 and for Mn respectively of 1,12 and 1,45, Phytoremediation Index (IFR ) or LBB performance efficiency in excluding Fe and Mn respectively between (87,11-95,28)% and (70,08 -79,84)%. These results indicate that both of these plantscan be considered for use in longer-term AAT processing in larger LBBs.
Co-Authors Rahmat Yunus