Abstract
Microbial Fuel Cell (MFC) is one of the alternative technologies which can convert chemical energy to electrical energy through a catalytic reaction using microorganisms. The technology can be implemented for wastewater handling such as fish processing wastewater which contains highly in organic substances. The research objective was to measure the performance of MFC system using fishery processing wastewater in order to generate bioelectricity and to reduce its organic pollution load within a different material of the electrode. The electrode materials used were aluminum, iron, carbon graphite, and also the combination of aluminum and carbon graphite. The research carried out in three phases: production of fishery wastewater, assembly of MFC single chamber system and measurement of the bioelectricity produced. The bioelectricity power resulted during 120 hours of observation were 0.23V for aluminum, 0.17V for iron, 0.19V for carbon graphite, and 0.34V for the combination between aluminum and carbon graphite averagely. The MFC system can also decrease the organic load parameter of wastewater as much as total Nitrogen was 61%, BOD 30.11%, COD 59.34%, and total Nitrogen Ammonia 12.45%. The increasing of activated sludge biomass occurred on the last observation with MLSS and MLVSS values respectively 7,066.67 mg/L and 6,100 mg/L.
Highlights
Indonesia saat ini sedang dihadapkan pada masalah krusial yang menyangkut hajat hidup orang banyak
The technology can be implemented for wastewater handling such as fish processing wastewater which contains highly in organic substances
The research objective was to measure the performance of Microbial Fuel Cell (MFC) system using fishery processing wastewater in order to generate bioelectricity and to reduce its organic pollution load within a different material of the electrode
Summary
Bahan utama yang digunakan dalam penelitian ini lumpur aktif dan limbah ikan (kulit dan sisa daging). Bahan lain yang digunakan meliputi akuades, K2Cr2O7 (Merck CAS 231-906-6), H2SO4.Ag2SO4 (Merck PA), indikator ferroin, [Fe(NH4)2(SO4)2] (Sigma Aldrich CAS 7783-85-9), NaOH 45% (Merck 111360), HCl 0,05 N (Merck PA), NaOH 0,05 N (Merck PA), Kertas saring Whatman 42, bahan uji amonia. Alat yang digunakan pada penelitian ini antara lain, elektroda (karbon grafit, alumunium, dan besi), kabel, multimeter digital tipe DT 830B, botol Erlenmeyer Pyrex 4980FK50, buret, pipet, DO meter (Lutron DO 5510), aerator, spektrofotometer (Optima SP-300), oven (Yamamoto Drying Oven DV 41), dan tanur (Yamamoto Muffle Furnace FM 38)
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