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Saturday / December 21. 2024
HomeInputsAgro chems – FertilizersWalkers, CCm Technologies to cut carbon emissions by turning potato waste into fertilizer

Walkers, CCm Technologies to cut carbon emissions by turning potato waste into fertilizer

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Potato peelings leftover from making crisps will be transformed into low-carbon fertilizer

Walkers crisps, one of the largest buyers of British potatoes, is partnering with British clean-tech firm CCm Technologies to reduce its carbon footprint by turning its potato waste into fertilizer. Using innovative carbon-capture technology, potato peelings leftover from making crisps will be transformed into low-carbon fertiliser and returned to farms where potatoes for Walkers crisps are grown across the UK.

Following a promising trial of the fertiliser, which was applied to potato seed beds this year, Walkers is planning to install CCm’s specialist equipment at its Leicester factory next year to begin wider production in preparation for its 2022 crop. Once supplied at scale, the fertiliser is expected to reduce Walkers’ potato-based carbon emissions by 70%. The technology is designed to connect to the factory’s anaerobic digestor, which uses food waste to generate nearly 75% of the electricity used at the plant.

The newly installed equipment will use the by-product waste from the anaerobic digestion process to create the fertiliser. By turning potato waste into a reusable resource, Walkers is driving more circularity in the potato growing process,helping farmers reduce their impact on the environment. This initiative forms part of a broader award-winning agriculture programme from Walkers, which has previously helped UK growers achieve a 50% cut in their water use and carbon emissions. The new initiative could set Walkers on a path to becoming carbon-negative in its potato production over the next decade. In addition to the low carbon status of the fertiliser itself, research projects that its long-term use will improve soil health, aiding a natural carbon sequestration process.

Walkers brand owner, PepsiCo, is also looking to bring the benefits of the new, circular fertiliser to further European markets and other crops, such as oats and corn. David Wilkinson, PepsiCo’s Senior Director of European Agriculture commented “From circular potatoes to circular crops, this innovation with CCm Technologies could provide learnings for the whole of the food system, enabling the agriculture sector to play its part in combating climate change. This is just the beginning of an ambitious journey, we’re incredibly excited to trial the fertiliser on a bigger scale and discover its full potential.

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