Valorization of digestate from methanation processes
What about solutions?
European directive limits spreading on soils of these substances, considered polluting in high concentration. Without a sufficient size of agricultural land is then necessary a treatment for nitrogen removal at the aim of agronomic reuse of treated water.
The process, composed of several technologies, enables not only recycling of water, but also recovery of by-products, usable as soils fertilizers or improvers, and production of a hygienized and stabilized compost.
