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Glycerol and nItrogeN conversioN through electrochemistrY

Project description

Cleaner, greener production of ammonia and value-added chemicals

Ammonia (NH3) is a key fertiliser component and an emerging carbon-free, hydrogen-rich energy carrier supporting the clean energy transition. NH3 is mostly produced via the energy-intensive Haber-Bosch process, generating 1-2 % of global greenhouse gas emissions. The ERC-funded GINNY project aims to achieve proof of concept of innovative flow-cell devices for greener NH3 production. Building on the principal investigator’s ongoing starting grant investigating a lithium-mediated electrochemical nitrogen reduction reaction, GINNY plans to advance this in a novel hybrid electrolyte system that is potassium-mediated, avoiding the use of lithium. It will improve the efficiency of nitrogen and high-value chemicals production, eliminate the use of critical raw materials and reduce environmental impact.

Objective

The current climate crisis, caused by greenhouse gas emissions, urgently requires sustainable chemical processes. Ammonia, a critical chemical for fertilizers as well as an emerging energy carrier, has a significant role in the transition to renewable energy due to its high hydrogen content and energy density. However, the conventional Haber-Bosch process for ammonia production is highly energy-consuming and polluting. My ongoing ERC-StG is dealing with lithium-mediated electrochemical nitrogen reduction reaction (E-NRR) as a more sustainable pathway towards ammonia production, but we (as well as the overall scientific community) are facing challenges like low nitrogen solubility, poor selectivity, and dependence on critical raw materials (CRMs).
GINNY project proposal addresses a novel hybrid electrolyte system combining poly(ethylene oxide) and glycerol to boost nitrogen solubility, and the process is potassium-mediated, thus avoiding the use of lithium. Additionally, GINNY integrates an anode process for the oxidation of glycerol, a biodiesel industry by-product that urgently needs strategies to be converted into high-value chemicals, like dihydroxyacetone and glyceric acid (key intermediates for pharmaceuticals and fine chemicals).
Building on pioneering work from my ERC-StG project, as well as from our recent fundamental studies on potassium-based batteries, GINNY aims to obtain a new generation of flow-cell devices. They will boost ammonia and useful chemicals production efficiency, through a sustainable and economically viable technology featuring CRMs-free components and reduced environmental impact. Also exploiting a continuous interaction with two supporting companies, the dual-objective strategy of GINNY promises to significantly contribute to the global shift towards greener chemical processes.

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-2024-POC

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Host institution

POLITECNICO DI TORINO
Net EU contribution
€ 150 000,00
Address
CORSO DUCA DEGLI ABRUZZI 24
10129 Torino
Italy
Region
Nord-Ovest Piemonte Torino
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data

Beneficiaries (1)