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- Title
Identification of Hydrogen Gas Producing Anaerobic Bacteria Isolated from Sago Industrial Effluent.
- Authors
Nizzy, Albert Mariathankam; Kannan, Suruli; Anand, Setty Balakrishnan
- Abstract
In this study, the biohydrogen production ability of isolated strains with sago industrial effluent in anaerobic batch fermentation was investigated. The bacteria responsible for the biohydrogen were isolated and identified as Clostridium sartagoforme NASGE 01 and Enterobacter cloacae NASGE 02. The volume of biohydrogen gas generated from the effluent was determined by gas chromatography (GC) and the organic acids formed during the biohydrogen production were determined by GC equipped with a flame ionization detector (GC—FID). In batch fermentation, C. sartagoforme NASGE 01 produced high amount of biogas (232 ± 11.02 mL/L) and biohydrogen (41.5%) followed by E. cloacae NASGE 02 produced 212.8 ± 8 mL/L biogas containing 31.5% of biohydrogen. Moreover, the hydrogen production potential (P), production rate (Rm) and lag time (λ) were analyzed from Gompertz non-linear curve fit model. The peak hydrogen yield was obtained with C. sartagoforme NASGE 01 was 158.7 mL/g glucose (1.26 mol H2/mol glucose) with the substrate degradation of 56.7%. Butyric acid was the major organic acid formed while hydrogen production with Clostridium sartagoforme NASGE 01 (176.4 mg/L) and Enterobacter cloacae NASGE 02 (285.1 mg/L). These experimental data demonstrated the feasibility of biohydrogen production using pure culture of anaerobic bacteria with sago industrial waste water as substrate.
- Subjects
ANAEROBIC bacteria; INDUSTRIAL wastes; SEWAGE; FLAME ionization detectors; ENTEROBACTER cloacae
- Publication
Current Microbiology, 2020, Vol 77, Issue 9, p2544
- ISSN
0343-8651
- Publication type
Article
- DOI
10.1007/s00284-020-02092-2