Polyaluminium Chloride (PAC) is a highly sought-after coagulant agent widely utilized in diverse industries due to its exceptional properties and effective applications. Polyaluminium Chloride is a water chemical made up of the elements aluminium, oxygen, hydrogen, and chlorine.
PAC is also known as Aluminium Chloride Hydroxide and is abbreviated as PAC.
Polyaluminium Chloride is a yellow colored or white color powder, water soluble solid with the chemical formula [Al2(OH)nCl6-n]m. For convenient using purpose, some liquid pac is also available on the market, but it is most been used by domestic users.
Used in water treatment
Polyaluminum chloride has characteristics such as adsorption, aggregation, and precipitation, and is an excellent coagulant in fields such as sewage treatment, industrial wastewater treatment, drinking water treatment, and circulating water treatment.
Used in papermaking industry
PAC in addtion to be used for sewage and clean water treatment, its main function is to serve as a neutral resin sizing precipitant, retention aid, and filter aid.
Used in the textile printing and dyeing industry
The wastewater generated by the textile printing and dyeing industry has the characteristics of large water volume, deep color, and high content of organic pollutants. In short, it is one of the more difficult to treat industrial wastewater. The addition of polyaluminum chloride can form dense and large alum flowers in the wastewater treatment process. In addition, the sedimentation rate is fast and the treatment effect is significant. PAC chemicals also have anti wrinkle properties of fabrics.
Used in the mining industry
Mainly used for ore flotation, it can play a role in mineral processing. It can separate water from gangue, facilitating the reuse of water.
Used in the Oil-field industry
It is the main material for treating petroleum exploration wastewater. Its role in petroleum exploration is as an oil displacement agent, water plugging regulator, drilling fluid regulator, and fracturing fluid additive.
Used for agriculture
The soil surface of the crust has the characteristics of high density, small pores, low saturation, and hydraulic conductivity, which can hinder the infiltration of soil moisture, increase surface runoff, and hinder seed germination. The function of polyaluminum chloride is to increase soil moisture content, inhibit the formation of soil crust, and increase water infiltration.
Used for aquaculture
PAC can be used as a coagulant and added to aquaculture wastewater, to precipitate and remove many organic matters from the water.
Keywords: PAC, Poly aluminum Chloride, poly aluminium chloride, Polyaluminum Chloride, PACL, Coagulant
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