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

Paper ID Volume ID Publish Year Pages File Format Full-Text
21559 43228 2010 6 PDF Available
Title
Methane fermentation of a mixture of seaweed and milk at a pilot-scale plant
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 (0.2–0.3 m3 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.

Keywords
Methane fermentation; Biogas; Seaweed; Ulva sp.; Laminaria sp.; Milk
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Bioscience and Bioengineering - Volume 110, Issue 5, November 2010, Pages 558–563
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
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Price was $35.95
You save - $31
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