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Hydrogen production by Chlamydomonas reinhardtii under light driven sulfur deprived condition by Krishnan Vijayaraghavan; Rajendran Karthik; S.P. Kamala Nalini is a Engineering article available to read on EtoBox.

What is Hydrogen production by Chlamydomonas reinhardtii under light driven sulfur deprived condition about?

This article explores the possibility of demonstrating sustainable photohydrogen production using Chlamydomonas reinhardtii when grown in sulfur deprived photoautotrophic condition. The hydrogen evolving capability of the algal species was monitored based on alternating light and dark period. Investigation was carried out during the day time in order to exploit the solar energy for meeting the demand of the light period. The results showed that when the reactor was operated at varying photoperiod namely 2, 3 and 4 h of alternating light and dark period, the gas generation was found to be 32 AE 4, 63 AE 7 and 52 AE 5 mL/h, while the corresponding hydrogen content was 47, 86 and 87% respectively. Functional components of hydrogen generation reaction centers were also analyzed, which showed that the PS(I) reaction centers were involved in hydrogen production pathway, as the light absorption by PS(I) was prerequisite for hydrogen generation under sulfur deprived photoautotrophic condition. The findings showed a higher gas yield and hydrogen content under dark period, whereas under light period the gas content was below detectable level for hydrogen due to the reversible hydrogenase rea

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Author

Krishnan Vijayaraghavan; Rajendran Karthik; S.P. Kamala Nalini

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0360-3199)

Published

2009

Language

EN

Field

Engineering (Physical Sciences)