Methane fermentation of a mixture of seaweed and milk at a pilot-scale plant

Journal of Bioscience and Bioengineering
Toru Matsui, Yoji Koike

Abstract

In this study, a pilot-scale plant was built to examine the practicality of producing biogas from seaweeds, widely available in Japan. Laminaria sp. and Ulva sp. seaweeds were mixed with other organic waste (milk) and used as fermentation materials. Though quantities and ratios of the materials were varied, the ratio of generated methane to input chemical oxygen demand (COD) was largely stable (0.2-0.3m(3) methane/kg COD) and the organic acid concentration in the methane fermentation solution was low (<1200 ppm) during prolonged operation. These findings indicate that stable methane fermentation was achieved and that mixing with other organic material was effective in suppressing fluctuations in material amounts caused by the variable supply of seaweeds. Our results demonstrate the practical feasibility of biogas generation using seaweeds.

References

Jun 15, 2007·The Science of the Total Environment·Michel MerceronPhilippe Morand

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Citations

Dec 4, 2013·Applied Biochemistry and Biotechnology·Suman MazumdarMin-Kyu Oh
Sep 19, 2012·Bioresource Technology·Sanjeev Kumar PrajapatiVirendra Kumar Vijay
Jul 6, 2013·Biotechnology Advances·Sanjeev Kumar PrajapatiVirendra Kumar Vijay
Jun 25, 2016·Marine Drugs·Yann Nicolas BarbotRoland Benz
Nov 27, 2018·Applied Microbiology and Biotechnology·Judit SandquistGonzalo Del Alamo Serrano

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