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  Tempe Industrial Wastewater Treatment by Using Combined Anaerobic Baffled Reactor and Biofilter Process  
Diupload oleh : Arseto Yekti Bagastyo, S.T., M.T.
Pengarang : Lucky Caesar Direstiyani dan Arseto Yekti Bagastyo
Tahun : 2016
Dipublikasikan di : 3rd International Postgraduate Conference on Biotechnology (IPCB), 24-26 Agustus 2016, Surabaya
Jenis Jurnal : International Conference
Eksternal Link : http://
Bidang Penelitian : Wastewater Treatment
Abstrak : Tempe industries have become one of key industries in many cities in Indonesia which increase concerns on wastewater treatment to meet environmental quality standards, as a consequence of its industrial activities. Tempe industrial wastewater contains high concentrations of organic contaminants thus requires to be treated prior to discharge to the environment. This research aims to assess the performance of innovative combined processes of anaerobic baffled reactor (ABR) and biofilter. This research was conducted using two laboratory-scale reactors with total effective volume of 80.99 L, consisting of four compartments of ABR and one compartment of biofilter. The performance was assessed based on the variation of wastewater influent concentrations (i.e., high strength of 20,000 mg COD L-1, medium strength of 5,000-10,000 mg COD L-1 and low strength of 1,000-3,000 mg COD L-1) and the process variation of combined ABR-biofilter (i.e., anaerobic-anaerobic process in reactor A and anaerobic-aerobic process in reactor B). The reactor was operated in a continuous system at the rate of 43.2 L day-1. Diffuser was required in aerobic condition with oxygen transfer capacity of 4.5 L O2 min-1. Bioballs were used in the biofilter reactor as attached media for the microbial growth. Both reactors A and B were able to degrade organic substances with the highest removal percentage reached was 89.49% and 94.44% for COD, 95.25% and 97.56% for BOD5, respectively. The results showed that the higher concentration of organic contaminants treated, the higher organic removal efficiency in ABR-biofilter processes will be obtained.
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