Polyaluminum chloride is widely used in various industries today. Let Huaquan introduce you to the small knowledge and classification knowledge of PAC.
First, polyaluminum chloride, also known as basic aluminum chloride; aluminum chloride; aluminum hydroxychloride; PAC. Its appearance is white, golden yellow, yellow brown, reddish brown granules / flakes. The form is a powdery solid, liquid. His physical properties: colorless or yellow resinous solid. The solution is a colorless or yellowish brown transparent liquid, sometimes grayish black mucus due to impurities. Polyaluminium chloride meets the national standard for drinking water products GB15892-2005. Polyaluminum chloride is an inorganic polymer coagulant. PAM is used as sewage treatment. It has high removal efficiency of organic matter in water, low dosage, fast sedimentation speed and low water production cost. It is a product that cannot be replaced by other flocculants. PAM can be used alone or in combination with PAC for water treatment, but the two stirring must be carried out separately, and the amount of water added and the amount of dosage during dilution should be determined according to the respective conditions.
Second, the classification of polyaluminum chloride:
According to the form, polyaluminum chloride can be divided into liquid and solid. a. Liquid polyaluminum chloride is not dried. It has the advantages of no dilution, convenient loading and unloading, and relatively cheap price. The disadvantage is that the tanker is needed for transportation, and the transportation cost per unit is increased. (Equivalent to 2-3 tons of liquid per ton of solid)
b. The form of solid polyaluminum chloride after drying, has the advantage of convenient transportation, does not need tanker, the disadvantage is that it needs to be diluted when used, increasing work intensity.
Polyaluminum chloride can be divided into the following two types according to the process: a drum type poly (a) aluminum chloride aluminum content is generally high, water insoluble matter is high, and is mostly used for sewage treatment.
b, plate-and-frame poly(a) aluminum chloride and aluminum with high content and low water insoluble matter, used for sewage treatment and drinking treatment. c, spray-dried poly(aluminum) aluminum chloride with high content, low water insoluble matter and fast dissolution rate. It is used in drinking water and higher standard water treatment.
Huaquan specializes in the production of polyaluminium chloride. Huaquan is one of the drafting units of the PAC national standard. It is worthy of everyone's trust. Let's go buy it!
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