Evaluation of marine sediments as microbial sources for methane production from brown algae under high salinity

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논문

Evaluation of marine sediments as microbial sources for methane production from brown algae under high salinity

학술지

Bioresource technology : biomass, bioenergy, biowastes, conversion technologies, biotransformations, production technologies

저자명

Miura, T.; Kita, A.; Okamura, Y.; Aki, T.; Matsumura, Y.; Tajima, T.; Kato, J.; Nakashimada, Y.

초록

Various marine sediments were evaluated as promising microbial sources for methane fermentation of Saccharina japonica, a brown alga, at seawater salinity. All marine sediments tested produced mainly acetate among volatile fatty acids. One marine sediment completely converted the produced volatile fatty acids to methane in a short period. Archaeal community analysis revealed that acetoclastic methanogens belonging to the Methanosarcina genus dominated after cultivation. Measurement of the specific conversion rate at each step of methane production under saline conditions demonstrated that the marine sediments had higher conversion rates of butyrate and acetate than mesophilic methanogenic granules. These results clearly show that marine sediments can be used as microbial sources for methane production from algae under high-salt conditions without dilution.

발행연도

2014

발행기관

Elsevier Applied Science

라이선스

publisher-specific-oa

ISSN

0960-8524

권

169

페이지

pp.362-366