Bioforsk – NMBU
2011-2014
BioH2 - Use of solar energy for CO2
capture, algae cultivation and hydrogen
production
Kari Skjånes, Thorsten Heidorn, Leiv
Mortensen, Hans Ragnar Gislerød
& Stig A. Borgvang
19 mars 2014
Bioenergi søkerseminar
Main Project activities
• Optimisation of algae cultivation
• CO2 capture from flue gas using algae
• Algae cultivation in a controlled
environment including a continuous growth
system
• Hydrogen production from algae
CO2 capture from flue gas
Algae cultivation at
Eramet, Kvinesdal
Flue gas with different
• [CO2]
• [NOx]
• [SOx]
• [HCl]
• [O2]
Effects on growth
Photobioreactors
• Algae cultivation
• H2 production
• Batch cultures
• Continuous cultures
Bioforsk algae reactor control system
Control / logging of:
• Temp
• pH
• OD
• O2
• Acid/base addition
• Medium addition
• H2 collection
Hydrogen from autotrophic cultures
• S-deprivation
• Autotrophic conditions
• Controlled
environmental factors
• Light regime
Stage 1: Cultivation
Stage 2: S-deprivation - aerobic
phase
Stage 3: S-deprivation anaerobic phase
Publications, including drafts in the pipeline
The effect on growth of Chlamydomonas reinhardtii of flue gas from a power plant based on
waste combustion
LM Mortensen* • HR Gislerød
-submitted
The growth of Chlamydomonas reinhardtii as influenced by high CO2 and low O2 in flue gas
from a silicomanganese smelter
LM Mortensen* • HR Gislerød
-submitted
Optimization of medium composition for autotrophic growth of Chlamydomonas reinhardtii
- manuscript in process
Biochemical composition of autographically grown Chlamydomonas reinhardtii varies with
the medium composition
- manuscript in process
Optimization of environmental factors for autotrophic growth of Chlamydomonas reinhardtii
- manuscript in process
Publications, including drafts in the pipeline, cont.
Potential for green microalgae to produce hydrogen, pharmaceuticals and other high
value products in a combined process. Crit Rev Biotechnol, 33(2): 172–215, 2013.
K. Skjånes, C. Rebours, P. Lindblad.
Design and construction of an efficient, combined photobioreactor at lab-scale for
microalgae cultivation and H2 production - Technical and scientific challenges to be
overcome
K Skjånes, T Heidorn, U Andersen, SA Borgvang
- manuscript in process
Hydrogen production from green algae cultivated under autotrophic conditions
including a continuous system for pre-cultivation
- still collecting data
Effect of flue gas on the production of hydrogen from Chlamydomonas reinhardtii
-still collecting data
Veien videre: H2 fra solenergi
Current commercial processes:
A
. Algae cultivated under
optimal conditions
Stress factors applied to
culture, optimised for
production of specific
metabolites
Proposed processes:
B
. Algae cultivated under
optimal conditions
C
. Algae cultivated under
optimal conditions
Harvesting of algal
biomass containing
valuable metabolites
H2
Stress factors applied to
culture, for production
of H2 and specific
metabolites
Harvesting of algal
biomass containing
valuable metabolites
H2
Stress factors applied to
culture, optimised for
production of H2
Stress factors applied to
culture, optimised for
production of specific
metabolites
Harvesting of algal
biomass containing
valuable metabolites
Skjånes et al. 2013, Crit Rev Biotechnol, 33(2):172-215
Excample, current activity:
Biohydrogen and anti-cancer metabolites
Tusen takk