Development of marine multi-algae cultures for biodiesel production

Omirou, Michalis; Tzovenis, Ioannis; Charalampous, Panayiotis; Tsaousis, Panayiotis; Polycarpou, Polycarpos; Chantzistrountsiou, Xanthi; Economou‐Amilli, Athena; Ioannides, Ioannis M.

doi:10.1016/j.algal.2018.06.025

Cited by 13 publications

(9 citation statements)

References 55 publications

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“…As a result, marine current energy potential, is considered as very low, since mean current velocities, around Cyprus, are near 0.1 m/s (Figure 8), while the threshold set by Soukissian et al (2017) requires current speed from 1.5 to 2 m/s. Finally, regarding marine biomass, in Med-algae, a recently completed research project, it has been shown that the use of micro-algae as a biofuel is a quite promising technology (Omirou et al, 2018). The results of the project indicated that marine biofuel production in the region is highly feasible using local marine algae blooms.…”

Section: Blue Energy Potentialmentioning

confidence: 99%

Blue Energy Potential Analysis in the Mediterranean

et al. 2019

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This paper describes the status of the potential of blue energy (BE) in the Mediterranean region, with focus on the region around Cyprus. Previous studies are reviewed, the main findings of the blue energy potential analysis performed in the frame of the MAESTRALE project are presented, and the most promising blue energy sources for the Mediterranean are highlighted. The findings of this report suggest that there is a good exploitability potential of different forms of BE in the Mediterranean. The most highlighted BE form for the Mediterranean region is offshore wind energy. This is also true for Cyprus, where marine biomass follows as the second most promising blue energy form. Marine thermal energy can also be used for heating and cooling. The main physical barrier for the implementation of BE projects is the bathymetry around the island.

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Section: Blue Energy Potentialmentioning

confidence: 99%

Blue Energy Potential Analysis in the Mediterranean

et al. 2019

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“…A PBR allows safer monoculture of microalgae for a long time as the risk of contamination is lower, compared with open raceway ponds that can be easily contaminated by harmful bacteria and other microflora [7,8]. The robustness of the PBR can be increased by cultivating multi-algae cultures that can be better adjusted to variations in their environment [4].…”

Section: Photobioreactormentioning

confidence: 99%

“…There are more than 35,000 different types of microalgae containing 18% to 50% of lipids in their biomass [3,4] that makes them suitable for biodiesel production. Microalgae can be cultivated using various water resources such as brackish-, sea-, and wastewater that is unsuitable for cultivating agricultural crops.…”

Section: Introductionmentioning

confidence: 99%

“…Carbon is required since the microalgae biomass contains about 45% to 50% of it [3]. Since the natural CO 2 concentration (0.03%) in ambient air is too low to supply the necessary carbon needed for optimal growth and high biomass productivity, additional carbon dioxide is needed to accelerate the growth of microalgae [4]. Thus, carbon rich sources can be obtained from industrial exhaust gases that contain more than 13% CO 2 , like fossil fuel combustion and other biological processes such as biogas or biochar production, provided they are cleaned so as to be free from harmful gases like CO, SO 2 , etc.…”

Section: Introductionmentioning

confidence: 99%

“…Normally, the microalgae biomass production will increase when temperature rises within a certain strain defined range [3]. This range is more robust when cultivating multi-algae blooms [4].…”

Section: Introductionmentioning

confidence: 99%

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Temperature Control of Flat-panel Airlift Photobioreactors for Microalgae Prduction – A Numerical Investigation

Polycarpou¹

2019

IJEPE

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Within the blue biotechnology, the cultivation of microalgae has an important role. Aimed is the production of valuable bio products, including biofuels. Microalgae can be cultivated in open raceway ponds or in different types of photobioreactors (PBRs). Besides their higher investment costs, PBRs are gaining more importance due to the possibilities they offer for controlling the production parameters like, light, pH, Nutrients, CO 2 supply, etc. This study presents the influence of temperature control on the operating cost of a culture in a flat-panel airlift photobioreactor, based on a simulation model. The data used are those of a coastal range in Cyprus, at Zygi, with mild climate, requiring heating in Winter and cooling in the Summer. Microalgae grow optimally between 20°C and 24°C, but choosing the right set temperatures for Winter and Summer plays an important role in the economy of the system. The most energy saving option seems to be that of a stepwise set-temperature control, with a temperature varying in steps between 19 and 24°C that are considered to be economic acceptable minimum and maximum values. For the estimation of the yearly fuel consumption of the PBR a new term, the Burner ON Ratio was introduced.

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