Did this reaction improve the heavy metals' rejection rate when the FO system was operated?
The reaction of ammonium and phosphate with heavy metals can result in the formation of insoluble compounds known as metal phosphates. This process is often used in environmental science and wastewater treatment to remove heavy metals from water.
When ammonium and phosphate are introduced to a solution containing heavy metal ions, such as lead (Pb2+), cadmium (Cd2+), or copper (Cu2+), they can form precipitates with these metal ions. The general reaction involves the formation of metal phosphate compounds, which are insoluble and can be easily separated from the water.
The metal phosphate formed is typically a solid precipitate, and it can be removed through processes like sedimentation or filtration. This method is a common technique in environmental remediation and is used to reduce the concentration of heavy metals in water bodies.
It's worth noting that the effectiveness of this process depends on various factors such as pH, concentration of the metal ions, and the specific conditions of the solution. Additionally, while this method can be effective for certain heavy metals, it may not be equally effective for all types, and other treatment methods may be required for comprehensive heavy metal removal.
Paul Milham FO stands for Forward Osmosis System, which uses osmotic pressure to extract water from the feed solution. FO consists of feed solution (low concentration) and draw solution (high concentration). It is known as the opposite operation of the RO system in terms of pressure ugase.
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