C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/52 (2006.01) C02F 1/58 (2006.01) C02F 3/04 (2006.01) C02F 3/10 (2006.01) C02F 3/28 (2006.01) E03F 1/00 (2006.01)
Patent
CA 2190033
The metal oxide media includes oxides and hydroxides of iron, and other metals. The material is derived from basic-oxygen steel-making process, and includes a high calcium content. The oxide surfaces facilitate the adsorption of phosphorus, and the increased pH facilitates the precipitation of calcium and other phosphates. The oxides are a catalyst for converting organic phosphorus to inorganic form. Limestone may be added to the oxides, to ensure a long-term source of calcium, and to maintain high pH for long periods.
Baker Michael John
Blowes David William
Ptacek Carol Jane
Asquith Anthony
Baker Michael John
Blowes David William
Ptacek Carol Jane
University Of Waterloo
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