Is polyaluminium chloride a coagulant?

Water Supply (2022) 22 (3): 2793–2802. Polyaluminium chloride (PAC) with different basicity is used as a coagulant in most drinking water treatment plants (WTP). The aluminium concentration in PAC and its hydrolysis mechanism varied with the basicity of PAC.

How to use polyaluminium chloride PAC coagulant in sewage treatment process?

Most industries need to use polyaluminium chloride PAC chemical in the sewage treatment process. The precipitation rate of PAC chemical is much faster and the precipitation effect is better. The use method of PAC coagulant is to dissolve it in a certain proportion and then add it to water.

What is polyaluminium chloride?

Polyaluminium chloride, also written as poly aluminium chloride, is an inorganic polymer coagulant used for water treatment. Take the first letter of words as abbreviation, it is refered to as PAC chemicals, can be considered as one of the best coagulants.

What is poly Aluminium chloride 30%?

And poly aluminium chloride 30% is drinking water treatment grade, which has no hazardous substances. It is adapt to a wide PH value of the source water, the applicable PH range is 5-9. That is to say, it can achieve the coagulation effect in the range of PH 5-9, and the best effect is in the PH range of 6.5-7.5.

How many types of polyaluminium chloride are there?

There are four types of polyaluminium chloride for sale with different content of AL2O3 and basicity. Among them, PAC 30% 01&02 is used for drinking water treatment, while PAC 30% 03&PAC 28% 04 is used for industrial wastewater treatment. The four types can be easily distinguished by color, from white, light-yellow to deep-yellow.

How to use poly Aluminium chloride powder?

The method of use is simple. The liquid poly aluminium chloridecan be added to water directly, while poly aluminium chloride powder is easily soluble in water. It can be quickly dissolved after being added to water without consuming a lot of time to dissolve it, which saves a lot of time for the entire processing process.