What is the difference between Pac and aluminium sulphate coagulants?

Table 2 shows the comparison results between PAC and Aluminium Sulphate coagulants used to treat the water sample from six jars. The addition of 5 mg/L hydrated lime in the PAC mixture ranges from 20 mg/L to 26 mg/L, meanwhile for the Alum mixture, the addition of lime ranges from 42 mg/L to 52 mg/L.

What is Pac water treatment?

It is our proposition and the formula for your success. Our chlorine, hydrochloric acid, sodium hypochlorite and polyaluminium chloride (PAC) are largely used in water treatment, and we are one of the top suppliers of these chemicals in Malaysia and several countries within South East Asia.

Is PAC a good coagulant?

Given the effectiveness quality of PAC as a coagulant chemical, the volume of PAC used is significantly lesser than other coagulant such as aluminium sulphate, generating cost savings solutions for the Water Treatment Plant.

What is the pH of treated water using PAC coagulant?

Overall, the pH of treated water using PAC coagulant lies within the range of 6.5 to 7.8, as shown in Table 2. On the other hand, Alum sufficiently lowered the pH but requires additional chemicals to adjust the pH to comply with the Ranhill SAJ standard.

Does PAC perform well with high turbidity level compared to Alum?

It also shows that PAC can perform well with a high turbidity level and a wide pH range from 7 to 8, when compared to Alum (Kumar & Balasundaram, 2017). Therefore, it is beneficial to explore the PAC performance in the water supply treatment process.

Does high basicity reduce turbidity in Pac coagulant?

High basicity has been optimized for turbidity removal by controlling the formation of Aluminium ions in the PAC coagulant. Therefore, higher basicity can reduce the consumption of alkalinity in the treatment process, thus giving an impact on the pH of raw water.