Introduction and Used:
PAC (Poly Aluminum chloride) is a type of alum that exists in the form of polymers (polymers) with the formula is [Al2(OH)nCl6-n] m. Currently, PAC is produced in large quantities and widely used in advanced countries to replace Alum sulfate in wastewater and water treatment.
Use and Application: used in various industrial applications such as:
· Water treatment: The poly aluminum chloride (PAC) is used for the 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 a large range of and with higher turbidity.
· Paper manufacture: The main features of PAC are its high Al2O3 content and polymeric nature, which give rise to products of hydrolysis characterized by high molecular weight and a large of positive electric charges able to interact with the lose fibers and size, optimizing the sizing se and the retention of fibers.
Specification for Polyaluminium Chlorine
Items |
Test standard |
Test Result | ||
Characteristics | Yellow powder | Yellow powder | ||
Aluminum oxide | 31%min | 31% | ||
Basicity | 40-85 | 80 | ||
/span> | 3.5-5.0 | 4.0 | ||
Water insoluble | 1.5% max | 1.0% | ||
Storage | The product shall be sealed and stored in the dry and ventilated place to prevent from rain, high temperature, and strong sunlight | |||
Shelf Life | 24 months. If correct storage | |||
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