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Journal ArticleDOI

Selection of microalgae for lipid production under high levels carbon dioxide.

01 Jan 2010-Bioresource Technology (Elsevier)-Vol. 101, Iss: 1
TL;DR: The present results suggested that Scenedesmus sp.
About: This article is published in Bioresource Technology.The article was published on 2010-01-01. It has received 630 citations till now. The article focuses on the topics: Botryococcus braunii & Scenedesmus.
Citations
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Journal ArticleDOI
TL;DR: In this article, the authors reviewed the technologies underpinning microalgae-to-bio-fuels systems, focusing on the biomass production, harvesting, conversion technologies, and the extraction of useful co-products.
Abstract: Sustainability is a key principle in natural resource management, and it involves operational efficiency, minimisation of environmental impact and socio-economic considerations; all of which are interdependent. It has become increasingly obvious that continued reliance on fossil fuel energy resources is unsustainable, owing to both depleting world reserves and the green house gas emissions associated with their use. Therefore, there are vigorous research initiatives aimed at developing alternative renewable and potentially carbon neutral solid, liquid and gaseous biofuels as alternative energy resources. However, alternate energy resources akin to first generation biofuels derived from terrestrial crops such as sugarcane, sugar beet, maize and rapeseed place an enormous strain on world food markets, contribute to water shortages and precipitate the destruction of the world's forests. Second generation biofuels derived from lignocellulosic agriculture and forest residues and from non-food crop feedstocks address some of the above problems; however there is concern over competing land use or required land use changes. Therefore, based on current knowledge and technology projections, third generation biofuels specifically derived from microalgae are considered to be a technically viable alternative energy resource that is devoid of the major drawbacks associated with first and second generation biofuels. Microalgae are photosynthetic microorganisms with simple growing requirements (light, sugars, CO 2 , N, P, and K) that can produce lipids, proteins and carbohydrates in large amounts over short periods of time. These products can be processed into both biofuels and valuable co-products. This study reviewed the technologies underpinning microalgae-to-biofuels systems, focusing on the biomass production, harvesting, conversion technologies, and the extraction of useful co-products. It also reviewed the synergistic coupling of microalgae propagation with carbon sequestration and wastewater treatment potential for mitigation of environmental impacts associated with energy conversion and utilisation. It was found that, whereas there are outstanding issues related to photosynthetic efficiencies and biomass output, microalgae-derived biofuels could progressively substitute a significant proportion of the fossil fuels required to meet the growing energy demand.

4,432 citations


Cites background from "Selection of microalgae for lipid p..."

  • ...[105] compared three microalgae species (Botryococcus braunii, Chlorella vulgaris, and Scenedesmus sp....

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Journal ArticleDOI
TL;DR: This review presents recent advances in microAlgal cultivation, photobioreactor design, and harvesting technologies with a focus on microalgal oil (mainly triglycerides) production and aims to provide useful information to help future development of efficient and commercially viable technology for microalgae-based biodiesel production.

1,662 citations


Cites methods from "Selection of microalgae for lipid p..."

  • ...This is the most commonly used cultivation condition for microalgae growth (Gouveia et al., 2009; Gouveia and Oliveira, 2009; Illman et al., 2000; Mandal and Mallick, 2009; Yoo et al., 2010)....

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Journal ArticleDOI
TL;DR: The practical problems that are facing the microalgae biofuel industry will be depicted, covering upstream to downstream activities by accessing the latest research reports and critical data analysis and several interlink solutions to the problems will be suggested with the purpose to revolutionize the entire microAlgae Biofuel industry towards long-term sustainability.

829 citations


Cites background from "Selection of microalgae for lipid p..."

  • ..., and Botryococcus braunii are among the microalgae strains that have shown promising result to bio-mitigate CO2 emission with typical CO2 consumption rate of 200–1300 mg/L/day (Chiu et al., 2008; Rosenberg et al., 2011; Sydney et al., 2010; Yoo et al., 2010; Zhao et al., 2011)....

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Journal ArticleDOI
TL;DR: The present results suggested that the two microalgae be appropriate for mitigating CO(2) in the flue gases and biodiesel production.

690 citations


Cites background from "Selection of microalgae for lipid p..."

  • ...Previous researches showed that the concentration of CO2 aeration above 5% could be harmful to microalgal cells and inhibit the microalgal growth (Chiu et al., 2008; de Morais and Costa, 2007a,b; Yoo et al., 2010)....

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Journal ArticleDOI
TL;DR: Engineering strategies were applied to improve the CO(2) fixation rate and carbohydrate/lipid production of a Scenedesmus obliquus CNW-N isolate and Nitrogen starvation was employed to trigger the accumulation of lipid and carbohydrate.

648 citations


Cites background from "Selection of microalgae for lipid p..."

  • ...A review of the literature shows that the S. obliquus strains have often been used for photosynthetic CO2 reduction (Ho et al., 2010; Yoo et al., 2010) and biofuel production (Mandal and Mallick, 2009) and thus six indigenous S. obliquus strains isolated from southern Taiwan were examined for their…...

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  • ...In addition, a number of other studies reported a lipid productivity of 39 mg L 1 d 1 for Scenedesmus sp. strain KCTC AG20831 (Yoo et al., 2010), 52.4 mg L 1 d 1 for Scenedesmus sp. strain JPCC GA0024 (Matsunaga et al., 2009), and 58.5 mg L 1 d 1 for S. obliquus (Mandal and Mallick, 2009)....

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  • ..., 140–218 mg L 1 d 1 according to (de Morais and Costa, 2007b; Yoo et al., 2010)....

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  • ...obliquus strains have often been used for photosynthetic CO2 reduction (Ho et al., 2010; Yoo et al., 2010) and biofuel production (Mandal and Mallick, 2009) and thus six indigenous S....

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  • ...This biomass productivity is higher that obtained from other Scenedesmus sp. (e.g., 140–218 mg L 1 d 1 according to (de Morais and Costa, 2007b; Yoo et al., 2010)....

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References
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Journal ArticleDOI
E. G. Bligh1, W. J. Dyer1
TL;DR: The lipid decomposition studies in frozen fish have led to the development of a simple and rapid method for the extraction and purification of lipids from biological materials that has been applied to fish muscle and may easily be adapted to use with other tissues.
Abstract: Lipid decomposition studies in frozen fish have led to the development of a simple and rapid method for the extraction and purification of lipids from biological materials. The entire procedure can...

46,099 citations


"Selection of microalgae for lipid p..." refers methods in this paper

  • ...The total lipids were extracted from microalgal biomass using a modified method of Bligh and Dyer (1959)....

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Journal ArticleDOI
TL;DR: The experiments showed that the eustigmatophyte Nannochloropsis sp.
Abstract: Thirty microalgal strains were screened in the laboratory for their biomass productivity and lipid content. Four strains (two marine and two freshwater), selected because robust, highly productive and with a relatively high lipid content, were cultivated under nitrogen deprivation in 0.6-L bubbled tubes. Only the two marine microalgae accumulated lipid under such conditions. One of them, the eustigmatophyte Nannochloropsis sp. FM102: 100–112. © 2008 Wiley Periodicals, Inc.

2,714 citations


"Selection of microalgae for lipid p..." refers background or result in this paper

  • ...The lipid content for Scenedesmus sp. was about half of the result from previous study (Rodolfi et al., 2009)....

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  • ...The biomass productivity and lipid content in various Scenedesmus strains were observed to be similar at 5% CO2 (Rodolfi et al., 2009)....

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  • ...was about half of the result from previous study (Rodolfi et al., 2009)....

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Journal ArticleDOI
TL;DR: Biodiesel is a domestic and renewable alternative with the potential to replace some of the petrodiesel market as mentioned in this paper, which is obtained from vegetable oils, animal fats, or other sources with a significant content of triacylglycerols by means of a transesterification reaction.
Abstract: Biodiesel is a domestic and renewable alternative with the potential to replace some of the petrodiesel market. It is obtained from vegetable oils, animal fats, or other sources with a significant content of triacylglycerols by means of a transesterification reaction. The fatty acid profile of biodiesel thus corresponds to that of the parent oil or fat and is a major factor influencing fuel properties. Besides being renewable and of domestic origin, advantages of biodiesel compared to petrodiesel include biodegradability, higher flash point, reduction of most regulated exhaust emissions, miscibility in all ratios with petrodiesel, compatibility with the existing fuel distribution infrastructure, and inherent lubricity. Technical problems with biodiesel include oxidative stability, cold flow, and increased NOx exhaust emissions. Solutions to one of these problems often entail increasing the problematic behavior of another property and have included the use of additives or modifying the fatty acid compositi...

1,258 citations


"Selection of microalgae for lipid p..." refers background in this paper

  • ...The addition of methyl oleate has been suggested to improve the properties of biodiesel fuel, such as its oxidative stability and low melting temperature (Knothe, 2008)....

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  • ...Biodiesel largely consists of fatty acid methyl esters, which are produced by the transesterification of biologically derived lipids (Wackett, 2008), and the quality of biodiesel is considerably affected by the composition of the fatty acids in the biodiesel (Knothe, 2008)....

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Journal ArticleDOI
TL;DR: The direct transesterification method appears to be particularly advantageous for the recovery of the highly volatile medium chain triglycerides and there is no need to add an antioxidant to protect unsaturated lipids.

968 citations


"Selection of microalgae for lipid p..." refers methods in this paper

  • ...The fatty acids were analyzed using the method of Lepage and Roy (1984)....

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