Photobioreactor engineering: Design and performance

Suh, In Soo; Lee, Choul-Gyun

doi:10.1007/bf02949274

Cited by 190 publications

(82 citation statements)

References 92 publications

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“…Some of the points mentioned such as high costs are still critical issues. Other reviews [2][3][4][5] mark the beginning of a new awakening in rational photobioreactor design. Basic process engineering principles regarding light distribution, mass transfer, and hydrodynamics have been set up e.g.…”

Section: Introductionmentioning

confidence: 99%

Design principles of photo‐bioreactors for cultivation of microalgae

Posten

2009

Engineering in Life Sciences

682

361

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The present hype in microalgae biotechnology has shown that the topic of photobioreactors has to be revisited with respect to availability in really large scale measured in hectars footprint area, minimization of cost, auxiliary energy demand as well as maintenance and life span. This review gives an overview about present designs and the basic limiting factors which include light distribution to avoid saturation kinetics, mixing along the light gradient to make use of light/ dark cycles, aeration and mass transfer along the vertical or horizontal main axis for carbon dioxide supply and oxygen removal and last but not least the energy demand necessary to fulfil these tasks. To make comparison of the performance of different designs easier, a commented list of performance parameters is given. Based on these critical points recent developments in the areas of membranes for gas transfer and optical structures for light transfer are discussed. The fundamental starting point for the optimization of photo-bioprocesses is a detailed understanding of the interaction between the bioreactor in terms of mass and light transfer as well as the microalgae physiology in terms of light and carbon uptake kinetics and dynamics.

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Section: Introductionmentioning

confidence: 99%

Design principles of photo‐bioreactors for cultivation of microalgae

Posten

2009

Engineering in Life Sciences

682

361

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“…Even if the closed photobioreactor has a higher harvesting efficiency (more biomass) and a good control on culture parameters (temperature, pH, CO 2 concentration etc.) (Suh & Lee, 2003), its capital costs remain higher (around 10 times) than those of open ponds (Carvalho et al, 2006). However, the combination of ponds and photobioreactors can be profitable because microalgae can be grown in open ponds while reducing contamination by undesired species (Huntley & Redalje, 2008).…”

Section: Culture Of Microalgaementioning

confidence: 99%

Production of Biodiesel From Microalgae.

A.Divya¹

2018

IJAR

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“…Artificial cultivation of microalgae ought to reproduce and enhance the optimum natural growth conditions (Brennan and Owende 2010;Vasumathi et al 2012). Two systems that have been extensively proposed are based on open pond and closed PBR technologies (Molina et al 2001;Suh and Lee 2003;Chisti 2008;Brennan and Owende 2010). However, there is ongoing debate pertaining to which of the open pond or closed PBR would be a better system for CO 2 sequestration.…”

Section: Propagation Systemsmentioning

confidence: 99%

Overview of the potential of microalgae for CO2 sequestration

Bhola

Swalaha

Kumar

et al. 2014

Int. J. Environ. Sci. Technol.

194

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An economic and environmentally friendly approach of overcoming the problem of fossil CO 2 emissions would be to reuse it through fixation into biomass. Carbon dioxide (CO 2 ), which is the basis for the formation of complex sugars by green plants and microalgae through photosynthesis, has been shown to significantly increase the growth rates of certain microalgal species. Microalgae possess a greater capacity to fix CO 2 compared to C 4 plants. Selection of appropriate microalgal strains is based on the CO 2 fixation and tolerance capability together with lipid potential, both of which are a function of biomass productivity. Microalgae can be propagated in open raceway ponds or closed photobioreactors. Biological CO 2 fixation also depends on the tolerance of selected strains to high temperatures and the amount of CO 2 present in flue gas, together with SO x and NO x . Potential uses of microalgal biomass after sequestration could include biodiesel production, fodder for livestock, production of colorants and vitamins. This review summarizes commonly employed microalgal species as well as the physiological pathway involved in the biochemistry of CO 2 fixation. It also presents an outlook on microalgal propagation systems for CO 2 sequestration as well as a summary on the life cycle analysis of the process.

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Photobioreactor engineering: Design and performance

Cited by 190 publications

References 92 publications

Design principles of photo‐bioreactors for cultivation of microalgae

Design principles of photo‐bioreactors for cultivation of microalgae

Production of Biodiesel From Microalgae.

Overview of the potential of microalgae for CO2 sequestration

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