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How does PAC works for paper retention

2020-05-11 15:38:45
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The poly aluminium chloride (PAC) is used for many industrial fields, due to its diverse characters, such as in Water treatment, for settling of solid particles present into drinkable waters and for the flocculation of civil and industrial effluents. It has also a high antibactericide effect, due to the presence of chlorine into the product formula, and can be utilized for large range of pH and with higher turbidity.


When it is used in Paper manufacturing - The main features of PAC are its high Al2O3 content and polymeric nature, which give rise to products of hydrolysis characterized by a high molecular weight and a large number of positive electric charges able to interact with the cellulose fibers and size, optimizing the sizing phase and the retention of fibers.


Keywords: PAC, Poly aluminum Chloride, poly aluminium chloride, Polyaluminum Chloride, PACL, Coagulant


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