This proposal is focused on closing the fertiliser loop, through nutrient recycling strategies on an industrial scale. That means that the aim is to find a viable nutrient recycling scheme, which combined with better nutrient use efficiency, can lead to major improvements in overall resource use.
Current recycling scheme has focused on reducing the environmental impact of both organic and inorganic fertiliser use thereby improving the sustainability of nutrient usage. This is achieved particularly by improvement in application methods, timing and nutrient budgeting tools. The use of organic nitrogen sources from untreated slurries and manure has the potential to be a particularly sustainable source but is all too often associated with a detrimental environmental impact. It does have a number of challenges; nutrient availability can be low, nutrient balances are often poor and inconsistent resulting in the surplus application of certain nutrients, application systems struggle to apply organic nutrients precisely and application is often limited to operating at times of the year which do not necessarily coincide with crop requirements, increasing the potential to lose nutrients to the environment.
In contrast, NEWFERT is focused on stablishing a new concept of the fertiliser industry through a new waste value chain based on nutrient recovery towards bio processes. On one hand, the project addresses to obtain a new P-raw material, in solid or liquid phase. The bio processes included in this project are not lead to produce phosphoric acid concretely. New digestion conditions will be developed using different acids, concentrations, temperature conditions, steps, etc.
On the other hand, all recovery bio processes expected in NEWFERT are also focused on Nitrogen and Potassium extraction from bio waste streams.
All technologies will be developed in order to facilitate the incorporation of the raw materials in a NPK process, taking into account all parameters involved. The main goal is to obtain a product as itself from raw materials (bio waste stream) and lays foundations of sustainable eco-friendly fertiliser manufacturing.
The main activity areas are:
- Characterisation of bio waste streams.
- Recovery technologies from solid waste.
- Recovery technologies from liquid waste.
- Industrial valorisation