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Reusing Sewage Sludge Ash for Phosphorus Fertilizer

Chemical engineers from Hokkaido University's Center for Advanced Research of Energy and Materials have developed a technique to recover phosphorous from sewage sludge by heat treatment and chemical treatment, which may help with the issue of phosphorus ores' declining supply.

Recovering Phosphorus From Sewage Sludge Ash

Recovering Phosphorus From Sewage Sludge Ash
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