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Application and reactivation of magnetic nanoparticles in Microcystis aeruginosa harvesting

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Application and reactivation of magnetic nanoparticles in Microcystis aeruginosa harvesting. / Lin, Zhong; Xu, Yunfeng; Zhen, Zhen; Fu, Yu; Liu, Yueqiao; Li, Wenyan; Luo, Chunling; Ding, Aizhong; Zhang, Dayi.

In: Bioresource Technology, Vol. 190, 08.2015, p. 82-88.

Research output: Contribution to journalJournal article

Harvard

Lin, Z, Xu, Y, Zhen, Z, Fu, Y, Liu, Y, Li, W, Luo, C, Ding, A & Zhang, D 2015, 'Application and reactivation of magnetic nanoparticles in Microcystis aeruginosa harvesting', Bioresource Technology, vol. 190, pp. 82-88. https://doi.org/10.1016/j.biortech.2015.04.068

APA

Lin, Z., Xu, Y., Zhen, Z., Fu, Y., Liu, Y., Li, W., Luo, C., Ding, A., & Zhang, D. (2015). Application and reactivation of magnetic nanoparticles in Microcystis aeruginosa harvesting. Bioresource Technology, 190, 82-88. https://doi.org/10.1016/j.biortech.2015.04.068

Vancouver

Author

Lin, Zhong ; Xu, Yunfeng ; Zhen, Zhen ; Fu, Yu ; Liu, Yueqiao ; Li, Wenyan ; Luo, Chunling ; Ding, Aizhong ; Zhang, Dayi. / Application and reactivation of magnetic nanoparticles in Microcystis aeruginosa harvesting. In: Bioresource Technology. 2015 ; Vol. 190. pp. 82-88.

Bibtex

@article{36810a8f88cf46fa89f9c2444f7acbfe,
title = "Application and reactivation of magnetic nanoparticles in Microcystis aeruginosa harvesting",
abstract = "This study developed a magnetic nanoparticles (MNPs) harvesting and reactivation technique for rapid cyanobacteria Microcystis aeruginosa separation. The harvesting of raw MNPs achieved high efficiency of 99.6% with the MNPs dosage of 0.58g MNPs/g dry-biomass, but gradually decreased to 59.1% when directly reused 5 times. With extra ultrasonic chloroform:methanol solvent treatment, the MNPs can be effectively reactivated for M. aeruginosa harvesting with 60% efficiency after 5 times reactivation and the separation efficiency kept above 93% with 0.20g MNPs/g dry-biomass dosage. The cyanobacteria-MNPs complex can be effectively disrupted by ultrasonic chloroform:methanol solvent treatment and the zeta potential was recovered for MNPs electrostatic attraction. The MNPs adsorption followed the Langmuir isotherm, and the maximum adsorption capacity and Langmuir constant was 3.74g dry-biomass/g and 311.64L/g respectively. This MNPs reactivation technique can achieve low energy separation and reduce MNPs consumption by 67%, providing potential engineering implementation for cyanobacterial biomass harvesting.",
keywords = "Magnetic nanoparticles (MNPs), Microcystis aeruginosa, Cyanobacteria harvesting, Electrostatic attraction",
author = "Zhong Lin and Yunfeng Xu and Zhen Zhen and Yu Fu and Yueqiao Liu and Wenyan Li and Chunling Luo and Aizhong Ding and Dayi Zhang",
year = "2015",
month = aug,
doi = "10.1016/j.biortech.2015.04.068",
language = "English",
volume = "190",
pages = "82--88",
journal = "Bioresource Technology",
issn = "0960-8524",
publisher = "Elsevier Limited",

}

RIS

TY - JOUR

T1 - Application and reactivation of magnetic nanoparticles in Microcystis aeruginosa harvesting

AU - Lin, Zhong

AU - Xu, Yunfeng

AU - Zhen, Zhen

AU - Fu, Yu

AU - Liu, Yueqiao

AU - Li, Wenyan

AU - Luo, Chunling

AU - Ding, Aizhong

AU - Zhang, Dayi

PY - 2015/8

Y1 - 2015/8

N2 - This study developed a magnetic nanoparticles (MNPs) harvesting and reactivation technique for rapid cyanobacteria Microcystis aeruginosa separation. The harvesting of raw MNPs achieved high efficiency of 99.6% with the MNPs dosage of 0.58g MNPs/g dry-biomass, but gradually decreased to 59.1% when directly reused 5 times. With extra ultrasonic chloroform:methanol solvent treatment, the MNPs can be effectively reactivated for M. aeruginosa harvesting with 60% efficiency after 5 times reactivation and the separation efficiency kept above 93% with 0.20g MNPs/g dry-biomass dosage. The cyanobacteria-MNPs complex can be effectively disrupted by ultrasonic chloroform:methanol solvent treatment and the zeta potential was recovered for MNPs electrostatic attraction. The MNPs adsorption followed the Langmuir isotherm, and the maximum adsorption capacity and Langmuir constant was 3.74g dry-biomass/g and 311.64L/g respectively. This MNPs reactivation technique can achieve low energy separation and reduce MNPs consumption by 67%, providing potential engineering implementation for cyanobacterial biomass harvesting.

AB - This study developed a magnetic nanoparticles (MNPs) harvesting and reactivation technique for rapid cyanobacteria Microcystis aeruginosa separation. The harvesting of raw MNPs achieved high efficiency of 99.6% with the MNPs dosage of 0.58g MNPs/g dry-biomass, but gradually decreased to 59.1% when directly reused 5 times. With extra ultrasonic chloroform:methanol solvent treatment, the MNPs can be effectively reactivated for M. aeruginosa harvesting with 60% efficiency after 5 times reactivation and the separation efficiency kept above 93% with 0.20g MNPs/g dry-biomass dosage. The cyanobacteria-MNPs complex can be effectively disrupted by ultrasonic chloroform:methanol solvent treatment and the zeta potential was recovered for MNPs electrostatic attraction. The MNPs adsorption followed the Langmuir isotherm, and the maximum adsorption capacity and Langmuir constant was 3.74g dry-biomass/g and 311.64L/g respectively. This MNPs reactivation technique can achieve low energy separation and reduce MNPs consumption by 67%, providing potential engineering implementation for cyanobacterial biomass harvesting.

KW - Magnetic nanoparticles (MNPs)

KW - Microcystis aeruginosa

KW - Cyanobacteria harvesting

KW - Electrostatic attraction

U2 - 10.1016/j.biortech.2015.04.068

DO - 10.1016/j.biortech.2015.04.068

M3 - Journal article

C2 - 25935387

VL - 190

SP - 82

EP - 88

JO - Bioresource Technology

JF - Bioresource Technology

SN - 0960-8524

ER -