| Title | Striving Toward a Circular Economy for Phosphorus: The Role of Phosphate Rock Mining |
|---|---|
| ID_Doc | 3597 |
| Authors | Geissler, B; Hermann, L; Mew, MC; Steiner, G |
| Title | Striving Toward a Circular Economy for Phosphorus: The Role of Phosphate Rock Mining |
| Year | 2018 |
| Published | Minerals, 8, 9 |
| Abstract | As an element, phosphorus (P) is one of a kind. While it is essential for all life on Earth, phosphorus is neither substitutable nor infinite especially in terms of highly concentrated phosphate rock deposits. Society as a wholeand key stakeholders in particularmust build on and extend the idea of a linear system that begins with exploration, continues with extraction and processing, and ends with the application of fertilizers, by applying mechanisms of circularity. The efficient and sustainable utilization of P including intra-generational and intergenerational fairness requires the recognition of its dissipative structure as an important first step. With its Manifesto for a Resource-Efficient Europe, the European Commission acknowledged the inevitability of the transition toward a regenerative Circular Economy (CE). The concept of a CE evolves around the avoidance of losses, which can be found all along the P supply chain in varying degrees of magnitude and leads to total nutrient-use efficiencies as low as 5% to 10%. This makes P a prime target for moving toward a circular economy. While common state-of-the-art work addresses mostly the loop (i.e., production, use, collection, and recycling) itself, we are discussing the current role of raw materials feeding the loop with respect to the mining phase. From a resilience perspective, the aim must be to keep every P atom flowing and circulating within our economy for as long as possible. Hereby, every measure needs to be considered under the principle of proportionality in terms of sustainable development. Therefore, changes to the current approach in the form of multidimensional innovation (e.g., products, processes, and structures) must be considered from various perspectives including technological, geological, and economic aspects. The economic framework conditions, in particular, determine the cut-off between valuable product and waste. We build our arguments on the Phosphate Rock Mining-Innovation Nexus and illustrate potential best-practice examples. |
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