Nurcholis, Mohammad and Mulyanto, Djoko (2017) Study on the Residue Resulted from the Metallic Minerals separations to the Coastal Iron-sand of Yogyakarta Indonesia. International Journal of Applied Engineering Research, 12 (15). pp. 5218-5225. ISSN 0973-4562
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Abstract
South beach of Kulon Progo Regency, Yogyakarta is a boundary on the south side bordered by the Indian Ocean. The sand material of this beach is containing a high value of metal minerals, so that it has a potential to be exploited. Local communities had been managing the land with continuous effort to convert the sandy soil that was extremely low nutrient availability to be the productive farming land. The aimed of the study was to examine the characteristics of minerals and chemistry of the residue produced as a fine-sized material, light metal and also the mineral which may degrades the land and air quality. Analysis of fertility from the residue consist of pH, cation exchange capacity (CEC), and the bases (Ca2+, Mg2+, K+, Na+) were extracted using NH4OAc. Elements analysis of materials was done by neutron activation analysis (NAA). The results of the present study showed that: 1) An increasing of concentration of heavy metal elements namely Ce and Cr on the residue. 2) There were iron minerals (ilmenite, magnetite), silica (crystobalite) and vanadinite potentially degrade the quality of air and soil environment. 3) The processing of iron-sand increase the concentration of minerals as a source of nutrients, namely: feldspar, olivine, augite and amphibole. 4) The residue produced from iron-sand processing can provide the elements of Ca, Mg, K, Na and P required by plants. Keywords: iron-sand, metal minerals, the residue
| Item Type: | Article |
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| Subjects: | Q Science > QE Geology |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Mrs Sri Lestari |
| Date Deposited: | 28 Jan 2019 03:12 |
| Last Modified: | 28 Jan 2019 03:12 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/18218 |
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