Improvement of biohydrogen production and intensification of biogas formation.

Kornél L. Kovács, Ákos T. Kovács, Gergely Maróti, Zoltán Bagi, Gyula Csanádi, Katalin Perei, Balázs Bálint, Judit Balogh, András Fülöp, Lívia S. Mészáros, András Tóth, Réka Dávid, Dóra Latinovics, András Varga, Gábor Rákhely

Research output: Contribution to journalJournal articleResearchpeer-review


H2 is considered as the ultimate cleanest energy carrier to be generated from renewable sources. This minireview intends to point out that in addition to this function, biologically produced hydrogen is important for environmental biotechnological applications. The purple sulphur phototrophic bacterium, Thiocapsa roseopersicina BBS contains several NiFe hydrogenases. These enzymes can be used e.g., as fuel cell H2splitting catalyst or in photoheterotrophic H2production. Microorganisms that supply H2in situ facilitate the biodegradation of organic material and concomitant biogas production. Fast, efficient, and economic treatment of organic waste, sludge, manure is achieved and generation of significant amount of renewable fuel from waste is intensified. The technology has been field tested under mesophilic and thermophilic conditions with positive results.
Original languageEnglish
JournalReviews in Environmental Science and Biotechnology
Issue number4
Pages (from-to)321-330
Publication statusPublished - 2004
Externally publishedYes


  • Biogas
  • Biohydrogen
  • Biotechnology
  • Hydrogenase
  • Phototroph

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