The effect of irradiance growing on hydrogen photoevolution and on the kinetic growth in Rhodopseudomonas palustris, strain 42OL (Articolo in rivista)

Type
Label
  • The effect of irradiance growing on hydrogen photoevolution and on the kinetic growth in Rhodopseudomonas palustris, strain 42OL (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.ijhydene.2009.07.083 (literal)
Alternative label
  • Pietro Carlozzi (2009)
    The effect of irradiance growing on hydrogen photoevolution and on the kinetic growth in Rhodopseudomonas palustris, strain 42OL
    in International journal of hydrogen energy
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pietro Carlozzi (literal)
Pagina inizio
  • 7949 (literal)
Pagina fine
  • 7958 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 34 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 19 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto per lo Studio degli Ecosistemi, Sede di Firenze, Consiglio Nazionale delle Ricerche, Polo Scientifico, Via Madonna del Piano n. 10, 50019 Sesto Fiorentino, Firenze, Italy (literal)
Titolo
  • The effect of irradiance growing on hydrogen photoevolution and on the kinetic growth in Rhodopseudomonas palustris, strain 42OL (literal)
Abstract
  • The relationship between hydrogen generation and the age of culture was investigated under fed-batch growth conditions. The specific growth rate (mu(e)) was determined during the log phase of the growth curve and the mu(eMax) was 0.02643 h(-1). Boltzmann's sigmoidal regression model was used to determine the specific rate of hydrogen evolution (mu H): the maximum was 0.04440 h(-1). At low irradiance (36-75 W m(-2)), an inverse relationship was found between mu H and I; after increasing the irradiance further, mu H reached a plateau (0.00916 h(-1)). The maximum reactor yield of cumulative hydrogen (4.5 l) was obtained at an irradiance of 320 W m(-2), but the highest hydrogen evolution rate (17.217 ml h(-1)) was achieved at 500 W m(-2). The light conversion efficiency reached its maximum (6.91%) at the lowest irradiance investigated (36 W m(-2)); when the irradiance increased further, it decreased progressively down to 0.36%. (literal)
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