A New Combination of Substrates: Biogas Production and Diversity of the Methanogenic Microorganisms.

Open Life Sci · 2018 · PMC7874741 · PMID 33817077

Europe PMC DOI

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a clear trendno p-value reported

However, a clear trend is towards more intensive use of this technology in biomass and biodegradable waste processing and hydrogen or biomethane production.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.