Fertilizer from urine festival visitors

fertilizer, urine, pee, recycle, reuse, nitrogen, festival, Denmark

Alcohol in the urine? That is no objection. Urine is filled with nitrogen and phosphate, useful substances, which do just fine as fertilizer in agriculture.

During the Nijmegen ‘99th Four Days Marches event, all visitors will be invited to pee not in nature or against churches on special toilets. For 7 days their urine will be collected.

The goal: reuse the huge pool as fertilizer for the growth and development of vegetables and plants. Read More

Clean, phosphate-free water and recovering valuable nutrients

Struvite, wastewater, reuse, fertilizer, biological proces, footprint, nutrient, phosphate,

Alex Veltman with the result of the pilot production for struvite

Since the eighties, clean water plants in the Netherlands, remove phosphate and nitrogen from wastewater.

It’s a win-win situation.

  1. the nutrients can be used in fertilizers and bring money in
  2. it’s cleaner, phosphate-free water
  3. and it’s important to recover useful materials

The phosphate is found in the human (and animal) urine. Read More