Abstract

Aims: This study is aimed to determine the distribution of detergent contamination in the Code River and the ability to remove it from laundry wastewater samples by using photocatalytic degradation and co agulation methods. Place and Duration of Study:The study was located at the Code River close to Gadjah Mada University, Yogyakarta, and the research was conducted for 6 months (June November 2013). Methodology: The water samples used in this study consist of waste water (produced from laundry activities) and river water (before and after the outlet of laundry waste disposal). Analysis of anionic surfactant and phosphate were carried out by UV/visible spectrophotometric methods using methylene blue and ammonium molybdate, respectively as complexing agents. The surfactant removal was studied using photocatalytic degradation and that of phosphate by coagulation methods. The photocataltyic reaction was carried out in batch technique by irradiating the artificia l waste in the presence of TiO 2 OriginalResearch Article

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