An enclosed rotating floating photobioreactor (RFP) powered by flowing water for mass cultivation of photosynthetic microalgae

Jim Junhui Huang; Gagarin Bunjamin; Sianguan Teo, Edwin; Boonhuat Ng, Deric; Yuan Kun Lee
October 2016
Biotechnology for Biofuels;10/18/2016, Vol. 9, p1
Academic Journal
Background: The design of photobioreactor (PBR) for outdoor mass cultivation of microalgae determines the distribution of solar irradiance among cells in the culture, mode of agitation, mass transfer efficacy, and energy consumption, thus determines the productivity of the system and the cost of production. In this study, the concept of a floating photobioreactor with rotation function is proposed. Dunaliella tertiolecta, a model microalga, cultured in the attached vessels was evaluated. Results: The rotation of the photobioreactor was powered by flowing water, in this case waves generated through a paddle wheel in an outdoor raceway pond for proof of concept. The rotating floating PBR (RFP) could be powered by natural flowing stream, river, and tidal waves, thus there could be no energy cost for agitation of the cultures in maintaining the cells in suspension. This RFP is characterized by its energy-saving and temperature control properties as well as more homogenous light distribution in the culture as compared to conventional culture systems, such as raceway pond. Maximal cell concentration of 8.38 ? 106 cells mL-1, biomass productivity of 3.10 g m-2 day-1, and photosynthetic efficiency of 4.61 % (PAR) were achieved. In addition, satisfactory productivities of D. tertiolecta metabolites including carotenoids, mycosporine-like amino acids and lipids were also obtained. Conclusions: The RFP, powered by flowing water, creates an innovative culture technology for economical cultivation of microalgal cells and production of microalgal metabolites.


Related Articles

  • Photobioreactors for the production of microalgae. Acién Fernández, F.; Fernández Sevilla, J.; Molina Grima, E. // Reviews in Environmental Science & Biotechnology;Jun2013, Vol. 12 Issue 2, p131 

    Microalgae are produced today for human and animal markets, as food-feed and source of active compounds. Microalgae can be also used in wastewater treatment and they has been proposed as biofuels source to reduce global warming problem. Whatever the final application of microalgae its production...

  • Growth Kinetics, Light Dynamics, and Lipid Production in Microalgae from Sugar-Mill Ponds. Benson, B. C.; Meyer, B. J.; Bajpai, R. K.; Gang, D. D.; Dufreche, S. T.; Zappia, M. E. // Chemical & Biochemical Engineering Quarterly;Sep2016, Vol. 30 Issue 3, p331 

    Sugar-mill wastewaters have potential to support microalgal biomass production for use as a biofuel feedstock (lipid source). Growth kinetics, light dynamics, and lipid production in multispecies-microalgae cultures collected from a sugar-mill pond are reported in this paper. Lipid content of...

  • The bio-responsive facade. Wurm, Jan // Detail (English Edition);May2013 Special Edition, p58 

    The article focuses on the function and components of the first photobioreactor facade for microalgae in Germany. It says that the facade-applied microalgae system is created to generate solar heat and biomass to provide energy to the International Building Exhibition and then recognized as...

  • Energy Demands of Nitrogen Supply in Mass Cultivation of Two Commercially Important Microalgal Species, Chlorella vulgaris and Dunaliella tertiolecta. Hulatt, Chris; Lakaniemi, Aino-Maija; Puhakka, Jaakko; Thomas, David // BioEnergy Research;Sep2012, Vol. 5 Issue 3, p669 

    Mass culture of microalgae is a potential alternative to cultivation of terrestrial crops for bioenergy production. However, microalgae require nitrogen fertiliser in quantities much higher than plants, and this has important consequences for the energy balance of these systems. The effect of...

  • Maximizing the productivity of the microalgae Scenedesmus AMDD cultivated in a continuous photobioreactor using an online flow rate control. McGinn, Patrick; MacQuarrie, Scott; Choi, Jerome; Tartakovsky, Boris // Bioprocess & Biosystems Engineering;Jan2017, Vol. 40 Issue 1, p63 

    In this study, production of the microalga Scenedesmus AMDD in a 300 L continuous flow photobioreactor was maximized using an online flow (dilution rate) control algorithm. To enable online control, biomass concentration was estimated in real time by measuring chlorophyll-related culture...

  • Slippery territory. Anslow, Mark // Ecologist;Apr2008, Vol. 38 Issue 3, p12 

    The article focuses on plans of creating biofuels out of algae. Undeterred, the biofuels industry has picked itself up and is now pointing towards emerging technologies as replacements for agrofuels. One of these is the use of microalgae. Since that programme ended, a flurry of start-up...

  • Effects of Grate Size on Grinding Productivity, Fuel Consumption, and Particle Size Distribution. Sang-Kyun Han; Han-Sup Han; Bisson, Joel A. // Forest Products Journal;2015, Vol. 65 Issue 5, p209 

    Matching the right feedstock quality to a biomass conversion technology effectively facilitates the energy conversion process and improves the economic feasibility of forest biomass for energy production. In this study, we conducted a controlled experiment on a horizontal grinder to evaluate the...

  • Biofuel symposium sets the stage for further U.S.-Latin American collaborations.  // Caribbean Business;7/24/2008, Vol. 36 Issue 29, Special section p15 

    Information about several topics discussed at the biofuel symposium, a partnership effort by the American Chemical Society (ACS), the Brazilian Chemical Society (SBQ) and the Brazilian Agricultural Research Corp., held in Aguas de Lindóia, Brazil in May 2007. The event addresses the...

  • Level the Playing Field for Open-Loop Biomass. Peltier, Robert // Power;Feb2010, Vol. 154 Issue 2, p6 

    The article presents the author's views on the discrimination faced by the biomass power industry in terms of policy and equity comparing to other renewable sources in the U.S. It states that there are two types of biomass plants including closed-loop plants and open-loop plants. Consumption of...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics