Email this article PENGARUH JENIS DAN KONSENTRASI SUBSTRAT TAMBAHAN TERHADAP PROSES PENGOLAHAN AIR BUANGAN SECARA ANAEROBIK
(1) Universitas Andalas
(2)
(*) Corresponding Author
DOI: https://doi.org/10.25077/dampak.14.2.104-112.2017
Copyright (c) 2023 Budhi Primasari, Ansiha Nur
Abstract
ABSTRAK
Penelitian ini menyelidiki pengaruh penambahan glukosa, fruktosa dan sukrosa terhadap pengolahan air buangan
rumah tangga dengan proses mikroba anaerobik menggunakan reaktor batch. Parameter yang diamati adalah
COD (Chemical Oxygen Demand), TSS (Total Suspended Solid), VSS (Volatile Suspended Solid) dand volume
biogas. Proses pengolahan dievaluasi dari jumlah polutan yang berkurang dan jumlah biogas yang terbentuk.
Tiga jenis gula dengan kisaran konsentrasi yang bervariasi ditambahkan ke lumpur sebelum proses pengolahan
air buangan. Proses pengolahan itama adalah proses fermentasi gelap anaerobik, dengan reaktor aerobik
diguncang di atas shaker pada kecepatan 200 rpm.Ph diatur menjadi 5 dan suhu 30oC. Hail menunjukkan bahwa
glukosa dengan jumlah biakan bakteri 20%, dan konsentrasi guil 2% adalah substrat tambahan yang pling efisien,
mengurangi kadar COD hampir 100%. Volume biogas yang dihasilkan 9,5 mL dan TSS serta TSS adalah 37 mg/L
dan 460 mg/L.
Kata kunci: glukosa, sukrosa, fruktosa, substrat, pengolahan air buangan
ABSTRACT
This research investigate effects of addition of glucose, sucrose dan fructose to the sewage wastewater treatment
process by anaerobic microbial process using batch reactor. The observed parameters are COD (Chemical
Oxygen Demand), TSS (Total Suspended Solid), VSS (Volatile Suspended Solid) and volume of biogas. The
treatment process was evaluated by reduction of pollutant and biogas production. Three types of sugar at a range
of concentration was added to the sludge prior to wastewater treatment . The main treatment was anaerobic dark
fermentation process, shaken at 200 rpm. pH was set to be 5 and temperature was 30oC. The results shows that
glucose at 20% inoculum size and 2% sugar concentnration in the most efficient substrate, reduced COD to almost
1005. The volume of biogas produced is 9.5 mL, and TSS and VSS were 37 mg/L and 460 mg/L respectively.
Keywords: glucose, sucrose, fructose, substrate, wastewater treatment
Keywords
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