Turn Urine Into Solid Fertiser - It Could Make Farming More Sustainable

[Julieanne]

1. Prithvi Simha
2. Björn Vinnerås
3. Jenna Senecal
4. November 7 2020

The global system of food production is the largest human influence on the planet’s natural cycles of nitrogen and phosphorus. How much crops can grow is limited by the amount of these two elements in the soil, so they’re applied as fertilisers.
ut the majority of fertilisers are either made by converting nitrogen in the air to ammonia, which alone consumes 2% of the world’s energy and relies heavily on fossil fuels, or by mining finite resources, like phosphate rock.

Read more: https://theconversation.com/we-found...ainable-148877

[scilover]

The most nutrient-rich part of wastewater is human urine, which makes up less than 1% of the total volume but contains 80% of the nitrogen and 50% of the phosphorus. We discovered how to recycle this urine into valuable – and sustainable – farmland fertiliser.But how??

[Islander]

Scilover, did you read the entire article? Because it explains the process in easy to understand terms. Trying to adapt home toilets would be too complex to justify the effort, but surely collecting urine from rest rooms would be entirely possible. I hope some entrepreneurial group will come along to take advantage of this technology.