Synthesis of Bio-aromatics from Black Liquors Using Catalytic Pyrolysis

André Heeres, Niels Schenk, Inouk Muizebelt, Ricardo Blees, Bart De Waele, Arend-Jan Zeeuw, Nathalie Meyer, Rob Carr, Erwin Wilbers, Hero Jan Heeres

Onderzoeksoutput: ArticleAcademicpeer review

Uittreksel

Bio-aromatics (benzene, toluene, xylenes, BTX) were prepared by the catalytic pyrolysis of six different black liquors using both in situ and ex situ approaches. A wide range of catalysts was screened and conditions were optimized in microscale reactors. Up to 7 wt % of BTX, based on the organic fraction of the black liquors, was obtained for both the in situ and ex situ pyrolysis ( T = 500-600 °C) using a Ga-modified H-ZSM-5 catalyst. The in situ catalytic pyrolysis of black liquors from hardwood paper mills afforded slightly higher yields of aromatics/BTX than softwood black liquors, a trend that could be confirmed by the results obtained in the ex situ catalytic pyrolysis. An almost full deoxygenation of the lignin and carbohydrate fraction was achieved and both organic fractions were converted to a broad range of (substituted) aromatics. The zeolite catalyst used was remarkably stable and even after 100 experiments in batch mode with intermittent oxidative catalyst regeneration, the yields and selectivity toward BTX remained similar. The ex situ pyrolysis of black liquor has potential for large-scale implementation in a paper mill without disturbing the paper production process.

Originele taal-2English
Pagina's (van-tot)3472-3480
Aantal pagina's9
TijdschriftACS sustainable chemistry & engineering
Volume6
Nummer van het tijdschrift3
DOI's
StatusPublished - 5 mrt 2018

Vingerafdruk

Xylenes
pyrolysis
Toluene
xylene
Xylene
Benzene
Pyrolysis
toluene
benzene
catalyst
Catalysts
mill
Catalyst regeneration
Zeolites
Catalyst selectivity
Softwoods
Lignin
Hardwoods
Carbohydrates
zeolite

Citeer dit

Heeres, A., Schenk, N., Muizebelt, I., Blees, R., De Waele, B., Zeeuw, A-J., ... Heeres, H. J. (2018). Synthesis of Bio-aromatics from Black Liquors Using Catalytic Pyrolysis. ACS sustainable chemistry & engineering, 6(3), 3472-3480. https://doi.org/10.1021/acssuschemeng.7b03728
Heeres, André ; Schenk, Niels ; Muizebelt, Inouk ; Blees, Ricardo ; De Waele, Bart ; Zeeuw, Arend-Jan ; Meyer, Nathalie ; Carr, Rob ; Wilbers, Erwin ; Heeres, Hero Jan. / Synthesis of Bio-aromatics from Black Liquors Using Catalytic Pyrolysis. In: ACS sustainable chemistry & engineering. 2018 ; Vol. 6, Nr. 3. blz. 3472-3480.
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abstract = "Bio-aromatics (benzene, toluene, xylenes, BTX) were prepared by the catalytic pyrolysis of six different black liquors using both in situ and ex situ approaches. A wide range of catalysts was screened and conditions were optimized in microscale reactors. Up to 7 wt {\%} of BTX, based on the organic fraction of the black liquors, was obtained for both the in situ and ex situ pyrolysis ( T = 500-600 °C) using a Ga-modified H-ZSM-5 catalyst. The in situ catalytic pyrolysis of black liquors from hardwood paper mills afforded slightly higher yields of aromatics/BTX than softwood black liquors, a trend that could be confirmed by the results obtained in the ex situ catalytic pyrolysis. An almost full deoxygenation of the lignin and carbohydrate fraction was achieved and both organic fractions were converted to a broad range of (substituted) aromatics. The zeolite catalyst used was remarkably stable and even after 100 experiments in batch mode with intermittent oxidative catalyst regeneration, the yields and selectivity toward BTX remained similar. The ex situ pyrolysis of black liquor has potential for large-scale implementation in a paper mill without disturbing the paper production process.",
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Heeres, A, Schenk, N, Muizebelt, I, Blees, R, De Waele, B, Zeeuw, A-J, Meyer, N, Carr, R, Wilbers, E & Heeres, HJ 2018, 'Synthesis of Bio-aromatics from Black Liquors Using Catalytic Pyrolysis', ACS sustainable chemistry & engineering, vol. 6, nr. 3, blz. 3472-3480. https://doi.org/10.1021/acssuschemeng.7b03728

Synthesis of Bio-aromatics from Black Liquors Using Catalytic Pyrolysis. / Heeres, André; Schenk, Niels; Muizebelt, Inouk; Blees, Ricardo; De Waele, Bart; Zeeuw, Arend-Jan; Meyer, Nathalie; Carr, Rob; Wilbers, Erwin; Heeres, Hero Jan.

In: ACS sustainable chemistry & engineering, Vol. 6, Nr. 3, 05.03.2018, blz. 3472-3480.

Onderzoeksoutput: ArticleAcademicpeer review

TY - JOUR

T1 - Synthesis of Bio-aromatics from Black Liquors Using Catalytic Pyrolysis

AU - Heeres, André

AU - Schenk, Niels

AU - Muizebelt, Inouk

AU - Blees, Ricardo

AU - De Waele, Bart

AU - Zeeuw, Arend-Jan

AU - Meyer, Nathalie

AU - Carr, Rob

AU - Wilbers, Erwin

AU - Heeres, Hero Jan

PY - 2018/3/5

Y1 - 2018/3/5

N2 - Bio-aromatics (benzene, toluene, xylenes, BTX) were prepared by the catalytic pyrolysis of six different black liquors using both in situ and ex situ approaches. A wide range of catalysts was screened and conditions were optimized in microscale reactors. Up to 7 wt % of BTX, based on the organic fraction of the black liquors, was obtained for both the in situ and ex situ pyrolysis ( T = 500-600 °C) using a Ga-modified H-ZSM-5 catalyst. The in situ catalytic pyrolysis of black liquors from hardwood paper mills afforded slightly higher yields of aromatics/BTX than softwood black liquors, a trend that could be confirmed by the results obtained in the ex situ catalytic pyrolysis. An almost full deoxygenation of the lignin and carbohydrate fraction was achieved and both organic fractions were converted to a broad range of (substituted) aromatics. The zeolite catalyst used was remarkably stable and even after 100 experiments in batch mode with intermittent oxidative catalyst regeneration, the yields and selectivity toward BTX remained similar. The ex situ pyrolysis of black liquor has potential for large-scale implementation in a paper mill without disturbing the paper production process.

AB - Bio-aromatics (benzene, toluene, xylenes, BTX) were prepared by the catalytic pyrolysis of six different black liquors using both in situ and ex situ approaches. A wide range of catalysts was screened and conditions were optimized in microscale reactors. Up to 7 wt % of BTX, based on the organic fraction of the black liquors, was obtained for both the in situ and ex situ pyrolysis ( T = 500-600 °C) using a Ga-modified H-ZSM-5 catalyst. The in situ catalytic pyrolysis of black liquors from hardwood paper mills afforded slightly higher yields of aromatics/BTX than softwood black liquors, a trend that could be confirmed by the results obtained in the ex situ catalytic pyrolysis. An almost full deoxygenation of the lignin and carbohydrate fraction was achieved and both organic fractions were converted to a broad range of (substituted) aromatics. The zeolite catalyst used was remarkably stable and even after 100 experiments in batch mode with intermittent oxidative catalyst regeneration, the yields and selectivity toward BTX remained similar. The ex situ pyrolysis of black liquor has potential for large-scale implementation in a paper mill without disturbing the paper production process.

KW - black liquor

KW - aromatics

KW - catalytic pyrolysis

U2 - 10.1021/acssuschemeng.7b03728

DO - 10.1021/acssuschemeng.7b03728

M3 - Article

VL - 6

SP - 3472

EP - 3480

JO - ACS sustainable chemistry & engineering

JF - ACS sustainable chemistry & engineering

SN - 2168-0485

IS - 3

ER -