Hydrothermal liquefaction of the brown macro-alga Laminaria Saccharina: Effect of reaction conditions on product distribution and composition

Konstantinos Anastasakis; A. B. Ross

doi:10.1016/j.biortech.2011.01.031

Hydrothermal liquefaction of the brown macro-alga Laminaria Saccharina: Effect of reaction conditions on product distribution and composition

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Abstract

The brown macro-alga Laminaria saccharina was converted into bio-crude by hydrothermal liquefaction in a batch reactor. The influence of reactor loading, residence time, temperature and catalyst (KOH) loading was assessed. A maximum bio-crude yield of 19.3. wt% was obtained with a 1:10 biomass:water ratio at 350°C and a residence time of 15. min without the presence of the catalyst. The bio-crude had an HHV of 36.5. MJ/kg and is similar in nature to a heavy crude oil or bitumen. The solid residue has high ash content and contains a large proportion of calcium and magnesium. The aqueous phase is rich in sugars and ammonium and contains a large proportion of potassium and sodium.

Originalsprog	Engelsk
Tidsskrift	Bioresource Technology
Vol/bind	102
Nummer	7
Sider (fra-til)	4876-4883
Antal sider	8
ISSN	0960-8524
DOI	https://doi.org/10.1016/j.biortech.2011.01.031
Status	Udgivet - 1 apr. 2011
Udgivet eksternt	Ja

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title = "Hydrothermal liquefaction of the brown macro-alga Laminaria Saccharina: Effect of reaction conditions on product distribution and composition",

abstract = "The brown macro-alga Laminaria saccharina was converted into bio-crude by hydrothermal liquefaction in a batch reactor. The influence of reactor loading, residence time, temperature and catalyst (KOH) loading was assessed. A maximum bio-crude yield of 19.3. wt% was obtained with a 1:10 biomass:water ratio at 350°C and a residence time of 15. min without the presence of the catalyst. The bio-crude had an HHV of 36.5. MJ/kg and is similar in nature to a heavy crude oil or bitumen. The solid residue has high ash content and contains a large proportion of calcium and magnesium. The aqueous phase is rich in sugars and ammonium and contains a large proportion of potassium and sodium.",

keywords = "Bio-crude, Bio-refinery, Liquefaction, Macro-algae, Seaweed",

author = "Konstantinos Anastasakis and Ross, {A. B.}",

year = "2011",

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doi = "10.1016/j.biortech.2011.01.031",

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Hydrothermal liquefaction of the brown macro-alga Laminaria Saccharina: Effect of reaction conditions on product distribution and composition. / Anastasakis, Konstantinos; Ross, A. B.
I: Bioresource Technology, Bind 102, Nr. 7, 01.04.2011, s. 4876-4883.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avis › Tidsskriftartikel › Forskning › peer review

TY - JOUR

T1 - Hydrothermal liquefaction of the brown macro-alga Laminaria Saccharina

T2 - Effect of reaction conditions on product distribution and composition

AU - Anastasakis, Konstantinos

AU - Ross, A. B.

PY - 2011/4/1

Y1 - 2011/4/1

N2 - The brown macro-alga Laminaria saccharina was converted into bio-crude by hydrothermal liquefaction in a batch reactor. The influence of reactor loading, residence time, temperature and catalyst (KOH) loading was assessed. A maximum bio-crude yield of 19.3. wt% was obtained with a 1:10 biomass:water ratio at 350°C and a residence time of 15. min without the presence of the catalyst. The bio-crude had an HHV of 36.5. MJ/kg and is similar in nature to a heavy crude oil or bitumen. The solid residue has high ash content and contains a large proportion of calcium and magnesium. The aqueous phase is rich in sugars and ammonium and contains a large proportion of potassium and sodium.

AB - The brown macro-alga Laminaria saccharina was converted into bio-crude by hydrothermal liquefaction in a batch reactor. The influence of reactor loading, residence time, temperature and catalyst (KOH) loading was assessed. A maximum bio-crude yield of 19.3. wt% was obtained with a 1:10 biomass:water ratio at 350°C and a residence time of 15. min without the presence of the catalyst. The bio-crude had an HHV of 36.5. MJ/kg and is similar in nature to a heavy crude oil or bitumen. The solid residue has high ash content and contains a large proportion of calcium and magnesium. The aqueous phase is rich in sugars and ammonium and contains a large proportion of potassium and sodium.

KW - Bio-crude

KW - Bio-refinery

KW - Liquefaction

KW - Macro-algae

KW - Seaweed

UR - http://www.scopus.com/inward/record.url?scp=79951959958&partnerID=8YFLogxK

U2 - 10.1016/j.biortech.2011.01.031

DO - 10.1016/j.biortech.2011.01.031

M3 - Journal article

C2 - 21316946

AN - SCOPUS:79951959958

SN - 0960-8524

VL - 102

SP - 4876

EP - 4883

JO - Bioresource Technology

JF - Bioresource Technology

IS - 7

ER -

Hydrothermal liquefaction of the brown macro-alga Laminaria Saccharina: Effect of reaction conditions on product distribution and composition

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