STUDI PENURUNAN ION TEMBAGA PADA SAMPEL LIMBAH BUATAN DENGAN FOTOKATALIS TiO2 DAN PARAMETER LAMA WAKTU PENYINARAN SINAR MATAHARI
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Abstract
Ion Cu2+ as heavy metal in artificial waste water needs to be removed by one of new relatively methods which is photo-chemistry by using solar energy and TiO2 catalyst. The aim of the experiment was to research the influence of TiO2 ca-talyst and parameter of light expose duration to decrease Cu2+ concentration. Optimum exposure from this research was 60 minutes. This because the longer exposure duration will result the percentage of Cu2+ would decline and approach linear line. Declination percentage was achieved at 81,44 %.
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