What is cationic polyacrylamide (CPAM)?

2. Cationic polyacrylamide (CPAM) This type of polymer has molecules that carry positive charge. Cationic PAM can pick up negatively charged particles (organic materials like carbon or human waste). CPAM is very efficient in usage and has high dehydration rate.

What factors affect the flocculation effect of cationic polyacrylamide (CPAM)?

Cationic polyacrylamide (CPAM) is a commonly used flocculant for water treatment. Factors that affect the flocculation effect and can be controlled manually include the type and dosage of CPAM, wastewater pH, stirring time and settling time, and their reasonable setting is critical to the flocculation effect of CPAM.

What are the different types of polyacrylamide (PAM)?

YASA ET is supplier of three different kinds of PAM: non-ion polyacrylamide (NPAM), cationic polyacrylamide (CPAM), and anionic polyacrylamide (APAM). Click here to learn more. PAM chemical compounds are used to flocculate and coagulate suspended solids in water, wastewater, and soil.

Can NPAM be dissolved in cold water?

NPAM is highly water-soluble and can be completely dissolved in cold water. Therefore, adding a small amount of non-ionic polyacrylamide can obtain a good flocculation effect. Click here to learn more. At YASA ET we can guide you in the choice and application of Polyacrylamide (PAM) for water and wastewater treatment.

How does CPAM affect wastewater turbidity?

Figure 7 shows that with increasing CPAM dosage and stirring time, the wastewater turbidity first decreased and then increased under the condition of fixed wastewater pH, and when the CPAM dosage and stirring time were in the range of 5.5 to 6 mg·L −1 and 5 to 7 min, respectively, the wastewater turbidity had a minimum value.

Is sewage suitable for flocculation treatment with CPAM?

Most sewage containing suspended solids exhibits a colloidal property and negative charge and is very suitable for flocculation treatment with CPAM. UV-initiated polymerization is a new method for preparing organic flocculants, and there have been many studies in this field .