Hydrothermal liquefaction of Spirulina and Nannochloropsis Salina under subcritical and supercritical water conditions

Research output: Contribution to journalJournal articleResearchpeer-review

Standard

Hydrothermal liquefaction of Spirulina and Nannochloropsis Salina under subcritical and supercritical water conditions. / Toor, Saqib; Reddy, H. ; Deng, S.; Hoffmann, Jessica; Spangsmark, D.; Madsen, L. B.; Holm-Nielsen, Jens Bo; Rosendahl, Lasse.

In: Bioresource Technology, Vol. 131, 2013, p. 413-419.

Research output: Contribution to journalJournal articleResearchpeer-review

Harvard

APA

CBE

MLA

Vancouver

Author

Bibtex

@article{579af2e5f88f41e1ac1780f57bd7e649,
title = "Hydrothermal liquefaction of Spirulina and Nannochloropsis Salina under subcritical and supercritical water conditions",
abstract = "Six hydrothermal liquefaction experiments on Nannochloropsis salina and Spirulina platensis at subcritical and supercritical water conditions (220-375 °C, 20-255 bar) were carried out to explore the feasibility of extracting lipids from wet algae, preserving nutrients in lipid-extracted algae solid residue, and recycling process water for algae cultivation. GC-MS, elemental analyzer, FT-IR, calorimeter and nutrient analysis were used to analyze bio-crude, lipid-extracted algae and water samples produced in the hydrothermal liquefaction process. The highest bio-crude yield of 46{\%} was obtained on Nannochloropsis salina at 350 °C and 175 bar. For Spirulina platensis algae sample, the optimal hydrothermal liquefaction condition appears to be at 310 °C and 115 bar, while the optimal condition for Nannochloropsis salina is at 350 °C and 175 bar. Preliminary data also indicate that a lipid-extracted algae solid residue sample obtained in the hydrothermal liquefaction process contains a high level of proteins.",
keywords = "Hydrothermal liquefaction, Subcritical water, Algal biofuel, Nannochloropsis salina, Spirulina",
author = "Saqib Toor and H. Reddy and S. Deng and Jessica Hoffmann and D. Spangsmark and Madsen, {L. B.} and Holm-Nielsen, {Jens Bo} and Lasse Rosendahl",
year = "2013",
doi = "10.1016/j.biortech.2012.12.144",
language = "English",
volume = "131",
pages = "413--419",
journal = "Bioresource Technology",
issn = "0960-8524",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Hydrothermal liquefaction of Spirulina and Nannochloropsis Salina under subcritical and supercritical water conditions

AU - Toor,Saqib

AU - Reddy,H.

AU - Deng,S.

AU - Hoffmann,Jessica

AU - Spangsmark,D.

AU - Madsen,L. B.

AU - Holm-Nielsen,Jens Bo

AU - Rosendahl,Lasse

PY - 2013

Y1 - 2013

N2 - Six hydrothermal liquefaction experiments on Nannochloropsis salina and Spirulina platensis at subcritical and supercritical water conditions (220-375 °C, 20-255 bar) were carried out to explore the feasibility of extracting lipids from wet algae, preserving nutrients in lipid-extracted algae solid residue, and recycling process water for algae cultivation. GC-MS, elemental analyzer, FT-IR, calorimeter and nutrient analysis were used to analyze bio-crude, lipid-extracted algae and water samples produced in the hydrothermal liquefaction process. The highest bio-crude yield of 46% was obtained on Nannochloropsis salina at 350 °C and 175 bar. For Spirulina platensis algae sample, the optimal hydrothermal liquefaction condition appears to be at 310 °C and 115 bar, while the optimal condition for Nannochloropsis salina is at 350 °C and 175 bar. Preliminary data also indicate that a lipid-extracted algae solid residue sample obtained in the hydrothermal liquefaction process contains a high level of proteins.

AB - Six hydrothermal liquefaction experiments on Nannochloropsis salina and Spirulina platensis at subcritical and supercritical water conditions (220-375 °C, 20-255 bar) were carried out to explore the feasibility of extracting lipids from wet algae, preserving nutrients in lipid-extracted algae solid residue, and recycling process water for algae cultivation. GC-MS, elemental analyzer, FT-IR, calorimeter and nutrient analysis were used to analyze bio-crude, lipid-extracted algae and water samples produced in the hydrothermal liquefaction process. The highest bio-crude yield of 46% was obtained on Nannochloropsis salina at 350 °C and 175 bar. For Spirulina platensis algae sample, the optimal hydrothermal liquefaction condition appears to be at 310 °C and 115 bar, while the optimal condition for Nannochloropsis salina is at 350 °C and 175 bar. Preliminary data also indicate that a lipid-extracted algae solid residue sample obtained in the hydrothermal liquefaction process contains a high level of proteins.

KW - Hydrothermal liquefaction

KW - Subcritical water

KW - Algal biofuel

KW - Nannochloropsis salina

KW - Spirulina

U2 - 10.1016/j.biortech.2012.12.144

DO - 10.1016/j.biortech.2012.12.144

M3 - Journal article

VL - 131

SP - 413

EP - 419

JO - Bioresource Technology

T2 - Bioresource Technology

JF - Bioresource Technology

SN - 0960-8524

ER -

ID: 72418492