NDLI: Evaluating biochemical methane production from brewer’s spent yeast

Content Provider	Springer Nature Link
Author	Sosa Hernández, Ornella Parameswaran, Prathap Alemán Nava, Gibrán Sidney Torres, César I. Parra Saldívar, Roberto
Copyright Year	2016
Abstract	Anaerobic digestion treatment of brewer’s spent yeast (SY) is a viable option for bioenergy capture. The biochemical methane potential (BMP) assay was performed with three different samples (SY1, SY2, and SY3) and SY1 dilutions (75, 50, and 25 % on a v/v basis). Gompertz-equation parameters denoted slow degradability of SY1 with methane production rates of 14.59–4.63 mL/day and lag phases of 10.72–19.7 days. Performance and kinetic parameters were obtained with the Gompertz equation and the first-order hydrolysis model with SY2 and SY3 diluted 25 % and SY1 50 %. A SY2 25 % gave a 17 % of TCOD conversion to methane as well as shorter lag phase (<1 day). Average estimated hydrolysis constant for SY was 0.0141 (±0.003) day−1, and SY2 25 % was more appropriate for faster methane production. Methane capture and biogas composition were dependent upon the SY source, and co-digestion (or dilution) can be advantageous.
Starting Page	1195
Ending Page	1204
Page Count	10
File Format	PDF
ISSN	13675435
Journal	Journal of Industrial Microbiology and Biotechnology
Volume Number	43
Issue Number	9
e-ISSN	14765535
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-06-08
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Anaerobic digestion Biochemical methane potential (BMP) Brewer’s spent yeast Microbiology Biochemistry Inorganic Chemistry Genetic Engineering Biotechnology Bioinformatics
Content Type	Text
Resource Type	Article
Subject	Medicine Bioengineering Applied Microbiology and Biotechnology Biotechnology

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