Effects of anodic oxidation of a substoichiometric titanium dioxide reactive electrochemical membrane on algal cell destabilization and lipid extraction

Likun Hua; Lun Guo; Megha Thakkar; Dequan Wei; Michael Agbakpe; Liyuan Kuang; Maraha Magpile; Brian P. Chaplin; Yi Tao; Danmeng Shuai; Xihui Zhang; Somenath Mitra; Wen Zhang

doi:10.1016/j.biortech.2015.12.041

Effects of anodic oxidation of a substoichiometric titanium dioxide reactive electrochemical membrane on algal cell destabilization and lipid extraction

Likun Hua, Lun Guo, Megha Thakkar, Dequan Wei, Michael Agbakpe, Liyuan Kuang, Maraha Magpile, Brian P. Chaplin, Yi Tao, Danmeng Shuai, Xihui Zhang, Somenath Mitra, Wen Zhang

Research output: Contribution to journal › Article › peer-review

40 Scopus citations

Abstract

Efficient algal harvesting, cell pretreatment and lipid extraction are the major steps challenging the algal biofuel industrialization. To develop sustainable solutions for economically viable algal biofuels, our research aims at devising innovative reactive electrochemical membrane (REM) filtration systems for simultaneous algal harvesting and pretreatment for lipid extraction. The results in this work particularly demonstrated the use of the Ti₄O₇-based REM in algal pretreatment and the positive impacts on lipid extraction. After REM treatment, algal cells exhibited significant disruption in morphology and photosynthetic activity due to the anodic oxidation. Cell lysis was evidenced by the changes of fluorescent patterns of dissolved organic matter (DOM) in the treated algal suspension. The lipid extraction efficiency increased from 15.2±0.6g-lipidg-algae^-1 for untreated algae to 23.4±0.7g-lipidg-algae^-1 for treated algae (p<0.05), which highlights the potential to couple algal harvesting with cell pretreatment in an integrated REM filtration process.

Original language	English (US)
Pages (from-to)	112-117
Number of pages	6
Journal	Bioresource Technology
Volume	203
DOIs	https://doi.org/10.1016/j.biortech.2015.12.041
State	Published - Mar 1 2016

All Science Journal Classification (ASJC) codes

Bioengineering
Environmental Engineering
Renewable Energy, Sustainability and the Environment
Waste Management and Disposal

Keywords

Algal harvesting
Algal pretreatment
Lipid extraction
Membrane separation
REM

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10.1016/j.biortech.2015.12.041

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Hua, L., Guo, L., Thakkar, M., Wei, D., Agbakpe, M., Kuang, L., Magpile, M., Chaplin, B. P., Tao, Y., Shuai, D., Zhang, X., Mitra, S., & Zhang, W. (2016). Effects of anodic oxidation of a substoichiometric titanium dioxide reactive electrochemical membrane on algal cell destabilization and lipid extraction. Bioresource Technology, 203, 112-117. https://doi.org/10.1016/j.biortech.2015.12.041

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title = "Effects of anodic oxidation of a substoichiometric titanium dioxide reactive electrochemical membrane on algal cell destabilization and lipid extraction",

abstract = "Efficient algal harvesting, cell pretreatment and lipid extraction are the major steps challenging the algal biofuel industrialization. To develop sustainable solutions for economically viable algal biofuels, our research aims at devising innovative reactive electrochemical membrane (REM) filtration systems for simultaneous algal harvesting and pretreatment for lipid extraction. The results in this work particularly demonstrated the use of the Ti4O7-based REM in algal pretreatment and the positive impacts on lipid extraction. After REM treatment, algal cells exhibited significant disruption in morphology and photosynthetic activity due to the anodic oxidation. Cell lysis was evidenced by the changes of fluorescent patterns of dissolved organic matter (DOM) in the treated algal suspension. The lipid extraction efficiency increased from 15.2±0.6g-lipidg-algae-1 for untreated algae to 23.4±0.7g-lipidg-algae-1 for treated algae (p<0.05), which highlights the potential to couple algal harvesting with cell pretreatment in an integrated REM filtration process.",

keywords = "Algal harvesting, Algal pretreatment, Lipid extraction, Membrane separation, REM",

author = "Likun Hua and Lun Guo and Megha Thakkar and Dequan Wei and Michael Agbakpe and Liyuan Kuang and Maraha Magpile and Chaplin, {Brian P.} and Yi Tao and Danmeng Shuai and Xihui Zhang and Somenath Mitra and Wen Zhang",

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Hua, L, Guo, L, Thakkar, M, Wei, D, Agbakpe, M, Kuang, L, Magpile, M, Chaplin, BP, Tao, Y, Shuai, D, Zhang, X, Mitra, S & Zhang, W 2016, 'Effects of anodic oxidation of a substoichiometric titanium dioxide reactive electrochemical membrane on algal cell destabilization and lipid extraction', Bioresource Technology, vol. 203, pp. 112-117. https://doi.org/10.1016/j.biortech.2015.12.041

TY - JOUR

T1 - Effects of anodic oxidation of a substoichiometric titanium dioxide reactive electrochemical membrane on algal cell destabilization and lipid extraction

AU - Hua, Likun

AU - Guo, Lun

AU - Thakkar, Megha

AU - Wei, Dequan

AU - Agbakpe, Michael

AU - Kuang, Liyuan

AU - Magpile, Maraha

AU - Chaplin, Brian P.

AU - Tao, Yi

AU - Shuai, Danmeng

AU - Zhang, Xihui

AU - Mitra, Somenath

AU - Zhang, Wen

PY - 2016/3/1

Y1 - 2016/3/1

N2 - Efficient algal harvesting, cell pretreatment and lipid extraction are the major steps challenging the algal biofuel industrialization. To develop sustainable solutions for economically viable algal biofuels, our research aims at devising innovative reactive electrochemical membrane (REM) filtration systems for simultaneous algal harvesting and pretreatment for lipid extraction. The results in this work particularly demonstrated the use of the Ti4O7-based REM in algal pretreatment and the positive impacts on lipid extraction. After REM treatment, algal cells exhibited significant disruption in morphology and photosynthetic activity due to the anodic oxidation. Cell lysis was evidenced by the changes of fluorescent patterns of dissolved organic matter (DOM) in the treated algal suspension. The lipid extraction efficiency increased from 15.2±0.6g-lipidg-algae-1 for untreated algae to 23.4±0.7g-lipidg-algae-1 for treated algae (p<0.05), which highlights the potential to couple algal harvesting with cell pretreatment in an integrated REM filtration process.

AB - Efficient algal harvesting, cell pretreatment and lipid extraction are the major steps challenging the algal biofuel industrialization. To develop sustainable solutions for economically viable algal biofuels, our research aims at devising innovative reactive electrochemical membrane (REM) filtration systems for simultaneous algal harvesting and pretreatment for lipid extraction. The results in this work particularly demonstrated the use of the Ti4O7-based REM in algal pretreatment and the positive impacts on lipid extraction. After REM treatment, algal cells exhibited significant disruption in morphology and photosynthetic activity due to the anodic oxidation. Cell lysis was evidenced by the changes of fluorescent patterns of dissolved organic matter (DOM) in the treated algal suspension. The lipid extraction efficiency increased from 15.2±0.6g-lipidg-algae-1 for untreated algae to 23.4±0.7g-lipidg-algae-1 for treated algae (p<0.05), which highlights the potential to couple algal harvesting with cell pretreatment in an integrated REM filtration process.

KW - Algal harvesting

KW - Algal pretreatment

KW - Lipid extraction

KW - Membrane separation

KW - REM

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ER -

Effects of anodic oxidation of a substoichiometric titanium dioxide reactive electrochemical membrane on algal cell destabilization and lipid extraction

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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