Bonding materials and polymers | National |


Fecha de inicio: 31 Dec 2022 Fecha de finalización prevista: 31 Jan 2023
The general objective of the project is to develop, on a laboratory scale, a process for the integral valorisation of lignocellulosic biomass from by-products of the agricultural sector in the Region of Murcia within the scope of the circular economy and the bioeconomy. To this end, several pre-treatments are proposed for the fractionation of the biomass with the final objective of obtaining differentiated products such as extractives, lignin and polysaccharides (cellulose and hemicellulose). The extractive fraction will be used to recover polyphenolic antioxidant compounds, while the polysaccharides will undergo enzymatic hydrolysis and subsequent fermentation to obtain lactic acid. Finally, the most recalcitrant structural component, lignin, will be functionalised to study its role as a precursor of wood adhesives together with polyphenols.
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Código de proyecto - 2021-1-PT01-KA220-SCH-000029409

Expected results:


Obtaining the fraction of extractives, identification, quantification and recovery of polyphenolic compounds of commercial interest.


Optimization of physical and/or biological treatments auxiliary to alkaline hydrolysis that improve the performance in the fractionation of lignocellulosic biomass.


Optimization of enzymatic hydrolysis processes that maximize the obtaining of sugars from the polysaccharides from the fractionation of the lignocellulosic biomass studied.


Increase the quality of the lignin obtained in relation to its properties such as phenolic content, glass transition temperature and/or molecular weight distribution, determinants for its use in bioadhesive processes.


Obtaining bioadhesives from chemical modification processes of lignin and recovered polyphenols, with viable adhesive capacity and curing temperatures.


Production of lactic acid from the fermentation of the sugars obtained after the enzymatic hydrolysis of the pretreated biomass.


Manufacture of composites from the final post-fractionation biomass residue that avoids its classification as waste and determination of its physical-mechanical properties.


Contribution to the management of waste from the agri-food sector and facilitate progress towards a circular economy and industrial symbiosis.


Strengthening bidirectional work between two reference technology centers in their sectors, environment and habitat and compliance with the work plan for the execution of this project at both a technical, economic and temporal level.

Project partners

Fondo Europeo

Región de Murcia

Ris 3 Mur

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