Ozone and indoor farming: the most sustainable solution

Indoor farming is a concept in which food can be produced all year round, independent of ecological conditions. Sustainability is at the core of indoor farming. Every year, the Dutch AGF (potato, vegetable and fruit industry) exports millions of tonnes of food to foreign markets. At the same time, the Netherlands imports millions of tonnes of food for its own market and transshipment abroad. All of these transport movements are highly unsustainable. The concept of indoor farming encourages businesses to supply their local markets with food all year round.

Indoor farming
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Ozone: essential for sustainable indoor farming

For a business to produce year round, everything needs to be streamlined. That means that good hygiene throughout your business – both in the water and in the air – is essential. The natural gas ozone (O₃) offers both and is a highly effective means of purifying your water and treating your air.

Ozone is very sustainable

There was much scepticism when Agrozone began conducting tests with ozone (O₃) a few years ago. How could ozone possibly contribute to improving quality and reducing failure in crops? We now know that ozone is the best way to purify your water and air, giving you more control over different cultivation systems. We all know that a healthier and more vital crop gives you greater peace of mind and certainty within your business.

Indoor farming
Indoor farming

Ozone solutions for indoor farming

Water and/or air purification in your indoor farm are carried out as follows:

  1. In a technical room, we install a system comprising an oxygen concentrator and an ozone generator.
  2. A compressor is then used to supply compressed-air to the system where pure oxygen (O2) is produced by the oxygen generator.
  3. The oxygen is then supplied to the ozone generator where an additional oxygen atom is added to the oxygen, thereby creating ozone (O3).
  4. We add ozone to the water/air to be treated.
  5. Once in the water and/or air, the ozone molecule attempts to convert to an oxygen molecule as quickly as possible. This causes oxidation, which purifies the water and/or air.

Ozone offers an additional benefit

What distinguishes ozone from other purification techniques is that ozone enriches the feed water with oxygen molecules. Although testing is still in progress, initial results from Agrozone and WUR (Wageningen University & Research) are promising. In a test greenhouse, they saw that crop yields increased with the use of ozone. It may take several more years before we can say with certainty that ozone increases crop yields, but the interim report is promising.

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