Improvement of microalgae harvesting by magnetic nanocomposites coated with polyethylenimine

Hu, Yi-Ru; Chen, Guo; Wang, Rui; Wang, Shi-Kai; Pan, Feng; Liu, Chun-Zhao

doi:10.1016/j.cej.2013.12.066

Cited by 103 publications

(43 citation statements)

References 35 publications

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“…A variety of harvesting methods including centrifugation, flocculation, filtration, sedimentation, and floatation have been suggested and utilized, but harvesting remains the bottleneck and significantly increases the process cost [11,12]. Magnetophoretic harvesting has recently been reported as a more efficient method, as it has a high harvesting efficiency, low environmental toxicity, scalable throughput, and relatively low operational costs [13][14][15][16]. In this regard, one important issue in magnetophoretic harvesting is the synthesis of magnetic particles with certain properties and desired structures.…”

Section: Introductionmentioning

confidence: 99%

Tri-functionality of Fe3O4-embedded carbon microparticles in microalgae harvesting

Seo

Lee

Praveenkumar

et al. 2015

Chemical Engineering Journal

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Section: Introductionmentioning

confidence: 99%

Tri-functionality of Fe3O4-embedded carbon microparticles in microalgae harvesting

Seo

Lee

Praveenkumar

et al. 2015

Chemical Engineering Journal

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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

134

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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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“…in highionic-strength media (especially >100 mM NaCl). Hu et al (2014b) developed Fe 3 O 4 nanoparticles with polyethylenimine (PEI) coating for 97%-efficiency magnetic harvesting of C. ellipsoidea within 2 min. They proposed, as the main separation mechanisms, the electrostatic attraction and nanoscale interactions between the nanocomposites and microalgal cells.…”

Section: Hybrid Nanoparticlesmentioning

confidence: 99%

Recent nanoparticle engineering advances in microalgal cultivation and harvesting processes of biodiesel production: A review

Lee

2015

Bioresource Technology

134

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Improvement of microalgae harvesting by magnetic nanocomposites coated with polyethylenimine

Cited by 103 publications

References 35 publications

Tri-functionality of Fe3O4-embedded carbon microparticles in microalgae harvesting

Tri-functionality of Fe3O4-embedded carbon microparticles in microalgae harvesting

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

Recent nanoparticle engineering advances in microalgal cultivation and harvesting processes of biodiesel production: A review

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