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All Journal Indonesian Journal of Chemistry
Rudy Syah Putra
Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Jl. Kaliurang Km. 14, Yogyakarta 55584, Indonesia
Chemical Engineering, Chemistry & Bioengineering Chemistry

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Removal of Heavy Metals from Leachate Using Electro-Assisted Phytoremediation (EAPR) and Up-Take by Water Hyacinth (Eichornia crassipes) Rudy Syah Putra; Febby Yulia Hastika
Indonesian Journal of Chemistry Vol 18, No 2 (2018)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (335.864 KB) | DOI: 10.22146/ijc.29713

Abstract

The garbage disposal management using landfill system produces an unpleasant odor of wastewater (i.e. leachate) which can disrupt the groundwater equilibrium in the rainy season. The combination of electro-assisted and phytoremediation which is hereinafter referred as Electro-Assisted Phytoremediation (EAPR) for removal of heavy metals from leachate has been demonstrated in a laboratory-scale experiment. A batch reactor setting was used to evaluate the potential removal and uptake of heavy metals (Fe, Cu, Cd, and Pb) concentration by water hyacinth (Eichornia crassipes) in the aquatic environment. An EAPR system was carried out for 11 d using constant voltage of 2 V. The results showed that the heavy metals concentration in the leachate decreased significantly for Cu, Fe, Cd and Pb metals from their initial concentration. The EAPR process could reduce as much as 77.8, 22, 31.6 and 30.0%, respectively for Fe, Cu, Cd, and Pb. Decreasing of heavy metals was followed by decreasing of TDS, electrical conductivity but increased DO concentration. Chlorophyll content in a treated plant with EAPR system showed that the water hyacinth could cope with the stress condition meanwhile accumulated high heavy metal concentration from the leachate.
Assessing the Effect of Weak and Strong Acids as Electrolytes in the Removal of Cesium by Soil Electrokinetic Remediation Rudy Syah Putra; Alfi Ihda Amalia; Naila Zahrotul Jannah
Indonesian Journal of Chemistry Vol 21, No 1 (2021)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.53283

Abstract

The removal of cesium from artificially contaminated soil using electrokinetic remediation with nitric and acetic acid as electrolytes had been evaluated. In this study, uncontaminated soil was taken from four different sampling points (i.e., A, B, C, and D) in Kotagede, Yogyakarta, Indonesia. All samples were prepared as cesium contaminated soil (100 mg CsCl/kg soil), which have similar physicochemical characteristics with Fukushima soil, Japan. The electrokinetic remediation (EKR) was conducted using a graphite electrode in a constant voltage of 1.0 Vcm–1 for 7 days without electrolyte pH control, with 1.0 M nitric and acetic acid as electrolytes. The current profile during the EKR was recorded by a data logger for every 10 min. The remaining cesium in the soil was measured by a flame atomic absorption spectrophotometer at a wavelength of 852.1 nm. The results showed that the type of acid used in the experiments affected the removal of cesium. The highest cesium removal was achieved when nitric acid was used in the experiment and then followed by acetic acid. For all acids, the removal ability of cesium from soil was in the following order: soil C > soil A > soil D > soil B.
Co-Authors Alfi Ihda Amalia Hastika, Febby Yulia Naila Zahrotul Jannah