Hydrothermal liquefaction of softwood: Selective chemical production under oxidative conditions

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Hydrothermal liquefaction of softwood : Selective chemical production under oxidative conditions. / Sipponen, Mika Henrikki; Özdenkci, Karhan; Hassan, Raja; Melin, Kristian; Sarwar, Golam; Oinas, Pekka.

In: ACS Sustainable Chemistry and Engineering, Vol. 4, No. 7, 05.07.2016, p. 3978-3984.

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@article{e87a7eec871142fda3f809c094a8c0c0,
title = "Hydrothermal liquefaction of softwood: Selective chemical production under oxidative conditions",
abstract = "This work was conducted to determine the effect of oxygen on hydrothermal liquefaction of softwood for the production of valuable chemicals. Softwood was subjected to liquefaction in the presence and absence of either 1.6 g/L sodium carbonate or 5 bar oxygen gas. The oxygen supplementation diverted sugars from dehydration toward oxidation resulting in 4-fold elevated yields of organic acids. Dissolved sugars and furans showed maxima in narrow temperature regions of 170-190 and 210-230 °C while the yields (weight percentage based on dry wood) of organic acids, phenolic substances, and bio-oil reached their respective maxima of 10.4{\%}, 3.5{\%}, and 7.4{\%} at 230-270 °C. These results of oxidative hydrothermal liquefaction advance sustainable production of chemicals from renewable lignocellulose.",
keywords = "Aqueous, Lignocellulose, Oxidation, Renewable, Sustainable, Treatment",
author = "Sipponen, {Mika Henrikki} and Karhan {\"O}zdenkci and Raja Hassan and Kristian Melin and Golam Sarwar and Pekka Oinas",
year = "2016",
month = "7",
day = "5",
doi = "10.1021/acssuschemeng.6b00846",
language = "English",
volume = "4",
pages = "3978--3984",
journal = "ACS Sustainable Chemistry and Engineering",
issn = "2168-0485",
publisher = "AMERICAN CHEMICAL SOCIETY",
number = "7",

}

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TY - JOUR

T1 - Hydrothermal liquefaction of softwood

T2 - Selective chemical production under oxidative conditions

AU - Sipponen, Mika Henrikki

AU - Özdenkci, Karhan

AU - Hassan, Raja

AU - Melin, Kristian

AU - Sarwar, Golam

AU - Oinas, Pekka

PY - 2016/7/5

Y1 - 2016/7/5

N2 - This work was conducted to determine the effect of oxygen on hydrothermal liquefaction of softwood for the production of valuable chemicals. Softwood was subjected to liquefaction in the presence and absence of either 1.6 g/L sodium carbonate or 5 bar oxygen gas. The oxygen supplementation diverted sugars from dehydration toward oxidation resulting in 4-fold elevated yields of organic acids. Dissolved sugars and furans showed maxima in narrow temperature regions of 170-190 and 210-230 °C while the yields (weight percentage based on dry wood) of organic acids, phenolic substances, and bio-oil reached their respective maxima of 10.4%, 3.5%, and 7.4% at 230-270 °C. These results of oxidative hydrothermal liquefaction advance sustainable production of chemicals from renewable lignocellulose.

AB - This work was conducted to determine the effect of oxygen on hydrothermal liquefaction of softwood for the production of valuable chemicals. Softwood was subjected to liquefaction in the presence and absence of either 1.6 g/L sodium carbonate or 5 bar oxygen gas. The oxygen supplementation diverted sugars from dehydration toward oxidation resulting in 4-fold elevated yields of organic acids. Dissolved sugars and furans showed maxima in narrow temperature regions of 170-190 and 210-230 °C while the yields (weight percentage based on dry wood) of organic acids, phenolic substances, and bio-oil reached their respective maxima of 10.4%, 3.5%, and 7.4% at 230-270 °C. These results of oxidative hydrothermal liquefaction advance sustainable production of chemicals from renewable lignocellulose.

KW - Aqueous

KW - Lignocellulose

KW - Oxidation

KW - Renewable

KW - Sustainable

KW - Treatment

UR - http://www.scopus.com/inward/record.url?scp=84979010695&partnerID=8YFLogxK

U2 - 10.1021/acssuschemeng.6b00846

DO - 10.1021/acssuschemeng.6b00846

M3 - Article

VL - 4

SP - 3978

EP - 3984

JO - ACS Sustainable Chemistry and Engineering

JF - ACS Sustainable Chemistry and Engineering

SN - 2168-0485

IS - 7

ER -

ID: 6749768