2026-04-17T03:02:11Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/91422024-07-16T11:52:24Zcom_10259_9397com_10259_5087com_10259_2728col_10259_9398
Ruiz Pérez, María Olga
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600
0000-0003-0399-092X
Blanco Alcalde, Beatriz
597
600
0000-0002-1703-6718
Urbán Cedrón, Marina
7343cc9f-c4fa-441d-8076-593704735f1c
600
Universidad de Burgos. Departamento de Biotecnología y Ciencia de los Alimentos
d7ac09bf-b8c0-4b30-833f-0672b8f2f022
600
2024-05-07T10:55:39Z
2024-05-07T10:55:39Z
2023-07
http://hdl.handle.net/10259/9142
Corn is the second most abundant cereal crop in the world. It generates a large amount of
agricultural residues (mainly stalks and leaves) which are commonly dumped in landfills,
openly burned or used as fuelwood in boilers or ovens. This meant that, in 2010, 21 % of
greenhouse gas emissions were due to the disposal of agricultural waste. In Spain, 819,553.8
tonnes of vegetal waste from agriculture, livestock, fisheries and forestry were produced in
2020. In addition, a total of 5.347 million tonnes of vegetal waste were produced in Castilla y
León. The integration of agricultural waste as a raw material for other industrial processes is
the essential basis of the circular economy concept to reach the zero waste target. In this
sense, the use of corn waste as lignocellulosic biomass can be a cost-effective and sustainable
alternative. Lignocellulosic biomass contains three main components based on their mass
contributions: cellulose, hemicellulose and lignin. The high hemicellulose content shown in the
chemical composition of corn agricultural waste from stalks and leaves (26-21 %
hemicellulose) means that they can be considered as a renewable raw material with high
potential for furfural production. Furfural is an aromatic aldehyde with a wide range of industrial
applications due to its high solvent capacity, its efficacy as a fungicidal agent (even at low
concentrations) and as a raw material in the production of succinic acid, furoic acid, piperidine
and 2-methylfuran. Furfural is obtained on a large scale from a sulphuric acid hydrolysis
process using as feedstock lignocellulosic biomass from sugar cane bagasse or corncob,
followed by a purification process by distillation/rectification. The hemicellulose hydrolysis with
subcritical water treatment and the adsorption as a purification step can be proposed as ecofriendly alternative technologies with potential to improve the furfural process performance. In
this work, the recovery of furfural from subcritical water hydrolysates by an adsorption process
was studied. The effect of the adsorbent type, temperature, desorption agent and the presence
of impurities on the furfural adsorption has been examined. The most efficient adsorption agent
for furfural recovery was the hydrophobic resin amberlite XAD-4, with a recovery factor close
to 93 % when 16 % p/v of resin was used. The adsorption isotherms were determined at
different working temperature and 25 ºC was selected. 2 % p/v of the XAD-4 resin and a
desorption aqueous solution with 0,2 M of NaCl were required for recovery 78 % of the initial
furfural of the subcritical water hydrolysate.
El trabajo presentado en esta memoria de TFG ha sido desarrollado en el seno del
Grupo de Investigación Biotecnología Industrial y Medioambiental, reconocido por la
UBU (GIR-UBU BIOIND) y por la Junta de Castilla y León como Unidad de Investigación
Consolidada UIC-128, en el marco de los siguientes proyectos de investigación:
TED2021-129311B-I00 - Tecnologías verdes basadas en el empleo de fluidos
presurizados para valorizar biomasa lignocelulósica mediante la producción de furfural,
financiado por el Ministerio de Ciencia e Innovación.
PDC2022-133443-I00 - Diseño de un prototipo para la extracción de bioproductos con
agua subcrítica, financiado por el Ministerio de Ciencia e Innovación.
PID2020-116716RJ-I00 - Tecnologías de fluidos presurizados para la valorización de
subproductos de la industria agroalimentaria: recuperación de pectina y otros
compuestos bioactivos de alto valor, financiado por la Agencia Estatal de Investigación.
BU050P20 - Valorización de la fracción proteica de subproductos de la industria
agroalimentaria de Castilla y León mediante tecnologías de fluidos presurizados,
financiado por la Junta de Castilla y León y el Fondo Europeo de Desarrollo Regional
(FEDER).
PID2019-104950RB-I00 - Valorización de subproductos marinos mediante tecnologías
de fluidos sub- y supercríticos para la obtención de biocompuestos valiosos, financiado
por la Agencia Estatal de Investigación.
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info:eu-repo/semantics/openAccess
Furfural
Subcritical water
Corn waste
Biorefinery
Ingeniería química
Alimentos
Chemical engineering
Food
Recuperación de furfural de hidrolizados de agua subcrítica mediante un proceso de purificación por adsorción
info:eu-repo/semantics/bachelorThesis
info:eu-repo/semantics/acceptedVersion
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ORIGINAL
Urban_Cedron_Marina-TFG.pdf
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https://riubu.ubu.es/bitstream/10259/9142/1/Urban_Cedron_Marina-TFG.pdf
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10259/9142
oai:riubu.ubu.es:10259/9142
2024-07-16 13:52:24.041
Repositorio Institucional de la Universidad de Burgos
bubrep@ubu.es
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