Detailed characterization of sulfur compounds in fast pyrolysis bio-oils using GC×GC-SCD and GC-MS

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22320%2F21%3A43922004" target="_blank" >RIV/60461373:22320/21:43922004 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0165237021002746" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0165237021002746</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jaap.2021.105288" target="_blank" >10.1016/j.jaap.2021.105288</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Detailed characterization of sulfur compounds in fast pyrolysis bio-oils using GC×GC-SCD and GC-MS

Popis výsledku v původním jazyce

Only trace amounts of sulfur (tens to thousands of ppm) are present in bio-oils produced from fast pyrolysis of lignocellulosic biomass. However, even such small amounts of sulfur-containing compounds can act as catalytic poisons during bio-oil upgrading. To improve the knowledge of sulfur speciation in bio-oils for process design and development, e.g. by hydrotreatment, comprehensive two-dimensional gas chromatography (GC ×GC) coupled with selective sulfur chemiluminescence detector (SCD) and headspace gas chromatography coupled to a quadrupole mass spectrometry (GC-MS) were combined. This allowed to quantify sulfur-containing compounds present in crude bio-oils produced from different types of biomass (beech wood, miscanthus, and straw) and straw bio-oil after hydrotreatment. Hydrogen sulfide, methanethiol, dimethyl disulfide, and several thiophenes were identified and quantified as the most abundant sulfur compounds. The detailed analysis of the hydrotreated bio-oil prepared at 360 °C and 8 MPa showed that most GC-detectable sulfur was related to hydrogen sulfide not sufficiently removed in the product separator. Used analytical methods brought an unprecedented level of details about bio-oil sulfur speciation and acquired data can help to drive further R&amp;D in bio-oil upgrading.

Název v anglickém jazyce

Detailed characterization of sulfur compounds in fast pyrolysis bio-oils using GC×GC-SCD and GC-MS

Popis výsledku anglicky

Only trace amounts of sulfur (tens to thousands of ppm) are present in bio-oils produced from fast pyrolysis of lignocellulosic biomass. However, even such small amounts of sulfur-containing compounds can act as catalytic poisons during bio-oil upgrading. To improve the knowledge of sulfur speciation in bio-oils for process design and development, e.g. by hydrotreatment, comprehensive two-dimensional gas chromatography (GC ×GC) coupled with selective sulfur chemiluminescence detector (SCD) and headspace gas chromatography coupled to a quadrupole mass spectrometry (GC-MS) were combined. This allowed to quantify sulfur-containing compounds present in crude bio-oils produced from different types of biomass (beech wood, miscanthus, and straw) and straw bio-oil after hydrotreatment. Hydrogen sulfide, methanethiol, dimethyl disulfide, and several thiophenes were identified and quantified as the most abundant sulfur compounds. The detailed analysis of the hydrotreated bio-oil prepared at 360 °C and 8 MPa showed that most GC-detectable sulfur was related to hydrogen sulfide not sufficiently removed in the product separator. Used analytical methods brought an unprecedented level of details about bio-oil sulfur speciation and acquired data can help to drive further R&amp;D in bio-oil upgrading.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20704 - Energy and fuels

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2021

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS

ISSN

0165-2370

e-ISSN

—

Svazek periodika

159

Číslo periodika v rámci svazku

October

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

7

Strana od-do

105288

Kód UT WoS článku

000697681700002

EID výsledku v databázi Scopus

2-s2.0-85113811802