New processes for Nutrient Recovery from Wastes

Global demand for mineral fertilizers is continuously increasing, whilst large amounts of organic waste streams are disposed in the environment resulting in soil, water and air pollution. Besides, nutrient imbalances between regions can lead to a surplus in some areas and deficits in others. Therefore, new processes and technologies to recover and re-use nutrients from both solid and liquid wastes are desirable to close the nutrient cycle in modern human society and address future scarcity of non-renewable nutrients and fossil-based fertilizers.

This research topic will highlight the current knowledge and state-of-the-art regarding processes and technologies to recover and re-use nutrients from wastes. Especially welcomed are articles focused on animal by-products, agro-food wastes and municipal wastes. Furthermore all aspects studying the selective recovery of mineral nutrients from wastes, the production of new fertilizers, and the concentration of nutrients into value-added products are encouraged.