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Aluminium Sulphate Powder

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Download Safety Data Sheet Aluminium Sulphate Solution

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Conventional clarification of raw water supplies generally involves the removal of suspended colloidal matter through a combination of coagulation, flocculation & sedimentation.
Coagulation involves the neutralisation of the charge of dissolved & suspended particles in the water. When this occurs, the particles no longer repel each other & can then bind together through the process of flocculation, forming larger particles. These larger particles (or floc) are heavy & quickly settles to the bottom – a process called sedimentation.

Aluminium sulphate, commonly known as alum, is the most common general purpose, inorganic coagulant that is used in water treatment of water & wastewater for both domestic & industrial purposes.

Application: removal of turbidity (colloidal matter), phosphates from wastewater, coagulation of heavy metal contaminants (arsenic, chromium & lead)

Packaging: 25kg & 1MT bulk bags

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Description Typical Guaranteed Unit
Aluminium oxide, Al2O3 Min. 17.0 %
Water Insoluble Matter Max. 0.5 %
Iron, Fe Max. 0.01 %
Free acid as H2SO4 Max. 0.01 %
Heavy Metals as Pb Max. 10 ppm
Arsenic, As Max. 2 ppm
Particle size: passing through 30 mesh 100.0 %


Aluminium Sulphate Solution
Available in 10% & 24% concentrations
Packaging: 20L, 200L & 1000L

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