Equipment/Technology, Europe, UK, Ireland, News March 2024, Research, Smart Farming, Sustainability

Lightning-based fertiliser technology could support farmers, climate and soil health

Technology which harnesses lightning’s nitrogen-fixing properties could revolutionise fertiliser production and supply, cut carbon emissions and support soil health.

The Agri-Tech Centres in the UK say in a news release that they are working with innovative start-up Debye Ltd. to trial its ground-breaking system, which simulates lightning’s ability to capture nitrogen in the form of nitrates when it strikes water. Debye envisage modular and containerised systems sited on farms or hubs, giving farmers on-the-spot or local supply of nitrate-based fertiliser using only air, water and electricity.

The Agri-Tech Centres help innovative start-ups throughout their journey; securing funding, providing access to research facilities to test, demonstrate and validate new ideas to overcome the agri-industry’s critical challenges, such as climate change and environmental sustainability.

Burak Karadag, who developed the technology, was originally a space engineer, working on satellite propulsion, when he became interested in the properties of lightning and realised that he would like to see how he could apply space technology to grand challenges on earth.

Dr. Burak Karadag, chief technical officer, Debye Ltd said: “Fertiliser is critical to global food security, but current production methods cause environmental harm and are subject to market disruption.  

“Our technology harnesses nature’s own elegant solution: lightning strikes water with such energy that it breaks apart atmospheric nitrogen molecules, creating nitrogen dioxide, which is soluble in water and readily absorbed by plants. Our technology replicates these principles using only air, water and electricity.

“Farmers rely mostly on ammonia-based fertiliser, whose economic model relies on mid- to large-scale production using natural gas and with well-documented negative effects on air, soil and water quality. Manufacturers are trying to move to green hydrogen reduce the fertiliser’s carbon footprint, but local, renewably powered direct nitrogen capture technology could make it a near zero-emission process, locally and securely available and with far better soil health outcomes.

“Today’s synthetic fertiliser production accounts for five per cent of global greenhouse gas emissions, equivalent to half the total emissions produced by the EU27 in 2021. Just imagine if we could remove those emissions! Being a rocket scientist was undeniably exciting, but I was so motivated by the challenge of tackling climate change and enhancing food security through innovation that I was glad to make the career shift to agriculture.”

Dr. Harry Langford, Innovation Network Lead at CHAP, said: “Fertilisers are critical to secure food production, but economic and environmental concerns are driving a renewed focus on both diversification in practice, towards alternative fertiliser types, and technological innovation, to enhance production and application efficiency.

The Agri-Tech Centres are delighted to be working with Debye Ltd. to test the feasibility of this exciting technology and help to determine its value proposition. By creating an evidence base for novel technologies, we can help to support adoption and enable a fair transition for UK farmers and growers.”

Source: Agri-Tech Centres. Read the original news release here

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