Ainun, Siti and Sururi, Mohamad Rangga and Pharmawati, Kancitra and Suryana, Indra (2015) PENYISIHAN Fe-ORGANIK PADA AIR TANAH DENGAN AOP (ADVANCED OXIDATION PROCESS). Reaktor, 15 (4). pp. 218-223. ISSN p-ISSN: 0852-0798; e-ISSN: 2407-5973

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Abstract

Groundwater is usually contained a lot of iron concentration. Iron can bind organic materials which resulted in health and aesthetic problems, so it needs alternative technology to be applied for iron organic removal. The aim of the research is to gain the efficiency of iron organic (Fe2+) removal with ozone and UV light, known as advanced oxidation process (AOP). Groundwater samples were taken from Padasuka area in Bandung. Ozone was supplied continually into a semi-batch reactor with 1.5 liters of sample, then indigo colorimetric method was used to measure ozone residual concentration at contact time : 5, 10, 15, 25 and 30 minutes. Measurement of the concentration of iron and organic matter employed methods of penenthroline, followed by pemanganometri titration, consecutively. The initial concentration of iron (Fe2+) was 3.271 mg/L and the concentration of organic matter was 4.38 mg/L. The results showed that the removal efficiency was 90% for iron and 70% for organic material which gives an indication that the advanced oxidation process (AOP) with ozone and UV can remove the organic iron.

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