Pemanfaatan Alga Cokelat (Sargassum sp) sebagai Bioadsorben dalam Proses Penyerapan Logam Fe pada Air Sumur UPN “Veteran” Yogyakarta

Arief Firmansyah, Ardans Muhammad Riza, mahreni mahreni

Abstract


Being one of the dangerous substances found in household water. Metal Fe is an one of the dangerous substance can be found in household water, metal Fe needs to be removed in order to have clean waters. Among many methods available, this research will focus on adsorption. Bioadsorbent made from brown algae (sargassum sp) without chemical activation and with CaCl and HCl as activator will be used in this experiment. In order to have the bioadsorbent, brown algae will be burned using furnace an then some samples will be activated using CaCl2 and HCl on various concentration (0.4 ; 0.6 ; 0.8 ; 1) mol/L. 10 gram of bioadsorbent will be used on 100 ml of untreated water and the process will take two hours. Bioadsorbent will adsorp metal Fe substance and will reduce metal Fe content level to 1 mg/L to qualify the criteria of clean water according to Peraturan Kementrian Kesehatan RI No. 416/MENKES/PER/IX/1990. The best result from this experiment reduce metal Fe content from 2.5 mg/L to 0.004 mg/L which equal to 99.84% metal Fe substance adsorbed from bioadsorbent without chemical activation and also resulting in a colorless and odorless treated water. It can be concluded that this method could be an effective method for water treatment in UPN “Veteran” Yogyakarta.


Keywords


Water, metal Fe, brown algae, bioadsorbent, adsorp.

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