White Polyaluminium Chloride (PAC), also known as high purity PAC, is a variant with a distinct white or off-white color. This hue indicates an exceptionally high degree of purity and low levels of impurities such as iron, which is often responsible for the darker colors seen in other PAC products.
The manufacturing process of white PAC involves stricter control over raw materials and production methods to ensure minimal impurities and higher aluminum chloride content. As a result, white PAC typically exhibits excellent water solubility and superior coagulation performance.
In terms of applications:
1. Drinking Water Treatment: White PAC is commonly used in the purification of drinking water due to its high purity and minimal impact on the treated water's color, taste, and odor. It effectively removes turbidity, suspended solids, and colloidal particles without causing any significant change in the water quality parameters.
2. Municipal Wastewater Treatment: Despite its cost premium, white PAC can be used in advanced wastewater treatment processes where lower levels of contaminants need to be removed and treated water needs to meet stringent discharge standards.
3. Industrial Water Treatment: In industries like paper manufacturing, textile processing, and chemical production, white PAC is employed because it offers efficient clarification and sedimentation properties without introducing additional impurities into the process water.
4. Swimming Pool Treatment: Due to its purity, it can also be used for pool water treatment to clarify and disinfect water while maintaining the clarity and aesthetics.
It's important to note that while white PAC is generally considered more effective and suitable for sensitive applications, the specific choice of PAC type should always consider the unique requirements of each water treatment system.
Keywords: PAC, Poly aluminum Chloride, poly aluminium chloride, Polyaluminum Chloride, PACL, Coagulant, Yellow PAC, Yellow polyaluminum chloride, White PAC, White polyaluminum chloride
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