Using nano-chitosan for harvesting microalga Nannochloropsis sp.

Farid, Mohammad Sadegh; Shariati, Ahmad; Badakhshan, A.; Anvaripour, Bagher

doi:10.1016/j.biortech.2013.01.058

Cited by 117 publications

(36 citation statements)

References 17 publications

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“…On the other hand, bioflocculants include biopolymers like chitosan, which comes from the deactylation of chitin from crab and shrimp shells (Farid et al, 2013;Şirin et al, 2013) and poly (γ-glutamic acid), an extracellular product from Bacillus subtilis (Zheng et al, 2012). Modern techniques involve creating new materials like nanoparticles (Farid et al, 2013), magnetic particles (Hu et al, 2013;Prochazkova et al, 2013), cationic polymers (Roselet et al, 2016;Vandamme et al, 2010), polymer composites (Hena et al, 2016), and even combinations of these materials (Hu et al, 2014). Table 3 provides a summary of the different flocculants used for harvesting Nannochloropsis.…”

Section: Harvesting Of Nannochloropsis Biomassmentioning

confidence: 99%

A biorefinery for Nannochloropsis: Induction, harvesting, and extraction of EPA-rich oil and high-value protein

Chua

Schenk

2017

Bioresource Technology

119

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Please cite this article as: Chua, E.T., Schenk, P.M., A biorefinery for Nannochloropsis: induction, harvesting, and extraction of EPA-rich oil and high-value protein, Bioresource Technology (2017), doi: http://dx.doi.org/10. 1016/ j.biortech.2017.05.124 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. AbstractMicroalgae have been studied as biofactories for almost four decades. Yet, even until today, many aspects of microalgae farming and processing are still considered exploratory because of the uniqueness of each microalgal species. Thus, it is important to develop the entire process of microalgae farming: from culturing to harvesting, and down to extracting the desired high-value products. Based on its rapid growth and high oil productivities, Nannochloropsis sp. is of particular interest to many industries for the production of highvalue oil containing omega-3 fatty acids, specifically eicosapentaenoic acid (EPA), but also several other products. This review compares the various techniques for induction, harvesting, and extraction of EPA-rich oil and high-value protein explored by academia and industry to develop a multi-product Nannochloropsis biorefinery. Knowledge gaps and opportunities are discussed for culturing and inducing fatty acid biosynthesis, biomass harvesting, and extracting EPA-rich oil and high-value protein from the biomass of Nannochloropsis sp.

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Section: Harvesting Of Nannochloropsis Biomassmentioning

confidence: 99%

A biorefinery for Nannochloropsis: Induction, harvesting, and extraction of EPA-rich oil and high-value protein

Chua

Schenk

2017

Bioresource Technology

119

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“…Isolate C. debaryana took 11 days to reach nearly stationary phase with a specific growth rate of 415 ± 13 mg L −1 day −1 and later moved into the late stationary phase with effect to depletion of nutrients in the culture medium. The selection of an efficient, cost-effective technique has always been a prime importance to harvest microalgae biomass, which allocates 20-30 % of the total production cost [12]. Clumsy cells morphology and autosedimentation on steady-state cultivation validates C. debaryana a potential strain for mass cultivation.…”

Section: Resultsmentioning

confidence: 99%

“…Though photobioreactors are considered as the most productive, while for enhancing competitiveness, their costs need to be reduced [11]. Meanwhile, there are other challenges on mass cultivation prospect in low-cost photobioreactor such as harvest efficiency of microalgae, which contributes 20-30 % of the total production cost [12].…”

Section: Introductionmentioning

confidence: 99%

Assessment of a Novel Algal Strain Chlamydomonas debaryana NIREMACC03 for Mass Cultivation, Biofuels Production and Kinetic Studies

Mishra

Singh

Sarma

2015

Appl Biochem Biotechnol

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A novel microalgae strain Chlamydomonas debaryana (KJ210856) was isolated from a freshwater lake of Punjab, India, and cultivated considering climatic sustainability and inherent adaptability concern. C. debaryana was grown in a 30-L indoor photobioreactor to study the mass cultivation prospect and biofuel potential. Physicochemical characterization of biomass and the lipid was performed with effect to nitrogen stress. It showed a higher biomass yield (1.58 ± 0.02 g L(-1), dry weight) and twofold increase in lipid yield (552.78 ± 9 mg L(-1)) with 34.2 ± 0.19 % lipid content under nitrogen deficient condition. Strikingly, increase in triglycerides achieved with nitrogen depletion containing over 96 % of total fatty acids (C 14, C 16, and C 18). Proximate and ultimate analysis suggested the presence of relatively higher volatile matter and carbon-hydrogen ratio. Furthermore, lower moisture and ash content signified C. debaryana biomass has promising features towards biofuel applications. The pyrolytic behavior of the whole biomass was also studied using thermogravimetric analyzer (TGA) and kinetic parameters were estimated using different methods. Promising growth rate and lipid yield leading to feasible biofuel feed stock production in indoor photobioreactor along with autosediment potential of cells validates C. debaryana NIREMACC03, a potential strain for mass cultivation.

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“…It's reported that recycled water from its harvesting culture can be reused and has some positive effects on biomass production [22].…”

Section: Supernatant Reuse Assaymentioning

confidence: 99%

Cells Harvesting of Tropic Ocean Oleaginous Microalga Strain Desmodesmus Sp. WC08

Liu¹,

Wang²

2015

J Fundam Renewable Energy Appl

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Using nano-chitosan for harvesting microalga Nannochloropsis sp.

Cited by 117 publications

References 17 publications

A biorefinery for Nannochloropsis: Induction, harvesting, and extraction of EPA-rich oil and high-value protein

A biorefinery for Nannochloropsis: Induction, harvesting, and extraction of EPA-rich oil and high-value protein

Assessment of a Novel Algal Strain Chlamydomonas debaryana NIREMACC03 for Mass Cultivation, Biofuels Production and Kinetic Studies

Cells Harvesting of Tropic Ocean Oleaginous Microalga Strain Desmodesmus Sp. WC08

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