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A Review on the Coming Scarcity of Phosphorus Rocks and the Importance of Recycling Phosphorus Wastes

Publication Date
  • Faeces
  • Resource Depletion
  • Recycling
  • Reserves
  • Phosphate Rocks
  • Urine
  • Photpho
  • Tái Sử Dụng
  • Nguồn Thải
  • Ecology
  • Geography


Phosphate rock is a non-renewable resource. Total world phosphate rock reserves were estimated approximately at 7355 million tons as P2O5. Currently, total cumulative production of phosphate rock mined was about 1955 million tons as P2O5. Based on the statistical method and a least squares optimisation which estimates a production at peak of 64 million tons/year as P2O5 and a peak year of 2040. After this period, phosphorus production will decline in quality, pressurize on prices and increase international tensions. Current reserves could be depleted soon so recycling all wastes containing phosphorus is very important and imperative to reduce the need for mined phosphorus as artificial fertilizer. This review paper gave an analysis and assessment on the above issiues in detail to support the warnings related to the food security as well as environmental pollution.

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