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Heterogeneous biocatalysts for oxygen-independent oxidations using inorganic salts

Project description

Boosting industrial oxidation efficiency with innovative catalysis

The efficiency of industrial chemical oxidations is often hindered by a fundamental challenge: the limited diffusion of oxygen to solid catalysts in aqueous environments. This bottleneck slows reaction rates, reducing productivity in key sectors such as fine chemicals. Traditional catalytic methods struggle to overcome this limitation, as the transport of molecular oxygen remains inefficient. New solutions are needed, considering the growing demand for oxidative reactions, critical in producing aldehydes and other valuable compounds. The ERC-funded NIBIOX project proposes a breakthrough approach by replacing molecular oxygen with water-soluble inorganic salts as electron acceptors. Using oxidoreductase enzymes immobilised on polymeric matrices, this innovation enhances efficiency and scalability. The results promise a competitive edge for the fine chemicals industry.

Objective

The vast majority of industrial chemical oxidations catalyzed by heterogeneous catalysts (chemical and enzymatic) in aqueous solvents suffer from several technical hindrances related to diffusion restrictions of oxygen This limitation derives from the low transport rate of molecular oxygen from the gas phase to the solvation sheath on the surface of the solid catalyst where catalysis occurs. The restriction of molecular oxygen availability at the reaction point creates a bottleneck in the productivity of industrial processes. To overcome a such major limitation in industrial productivity of oxidative biocatalysis, we propose the use of a new generation of heterogeneous biocatalysts based on oxidoreductases immobilized on polymeric matrices for the oxidation of alcohols, replacing the molecular oxygen with water soluble inorganic salts as ultimate electron acceptor. The results of NIBIOX will be exploited in the fine chemicals industry. Oxidative reactions are one of the pillars of the organic synthesis toolbox. For example, the global market for aldehydes is expected to reach more than $2 billion by 2025. This means a total global market of $232 billion in industrial fine chemistry by 2027. Therefore, the successful outcome of NIBIOX and its implementation in industrial processes will result in a profitable business with a positive impact on the economy of the stakeholders involved in the exploitation of our solution.

Fields of science (EuroSciVoc)

Programme(s)

Topic(s)

Funding Scheme

HORIZON-ERC-POC - HORIZON ERC Proof of Concept Grants

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Call for proposal

(opens in new window) ERC-2022-POC2

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Host institution

ASOCIACION CENTRO DE INVESTIGACION COOPERATIVA EN BIOMATERIALES- CIC biomaGUNE
Net EU contribution
€ 130 000,00
Address
PASEO MIRAMON 182, PARQUE TECNOLOGICO DE SAN SEBASTIAN EDIFICIO EMPRESARIAL C
20009 San Sebastian
Spain
Region
Noreste País Vasco Gipuzkoa
Activity type
Research Organisations
Links
Total cost
No data

Beneficiaries (2)