CPAM Powder For Sewage Treatment

Polyacrylamide uses--also named polyacrylamide powder for sewage uses, which is used for 

sewage treatment in STP. 

CPAM for sewage is meant for the dewatering process that reduces treatment for excess sludge.

The sewage CPAM copolymer products are chemicals which are made by acrylamide 

copolymerized with DAC or DMC. 

Usually, the powder CPAM sewage polymer is used in the dewatering process and powder CPAM 

sewage is more economical than the emulsion polymer.

CPAM for sewage is a polymer that contains a full range of cationic degrees. CPAM powder for sewage uses can meet various dewatering machines, for example: centrifuge, belt press filter 

machine, frame press filter and DAF.

The flocculation effect of CPAM for sewage agent is directly related to the charge-neutralizing ability of colloidal particles in the sewage. The suitability of the charge density of the sewage CPAM copolymer model can be judged by measuring the zeta potential. Add different models of CPAM powder for sewage uses(in accordance with the optimal dosage) to the water sample. After stirring and reacting, take the mixed solution and measure the zeta potential of the colloidal particles using a zeta-potential analyzer. The optimal model should make the zeta potential of the colloid close to 0mV (the most sufficient charge neutralization), at which point the flocculation effect is the best. If the potential deviates too much (either too positive or too negative), it may lead to the dispersion of flocs due to excessive dosage or charge mismatch.

The determination of powder CPAM sewage degree (charge density) is mainly carried out by an automatic potentiometric titrator. The powder CPAM sewage degree (the proportion of cationic groups) is a key indicator. By titrating the CPAM(polyacrylamide uses) solution with an anionic standard solution (such as silver nitrate, sodium sulfate), the end-point is determined by monitoring the potential mutation point, and the powder CPAM sewage degree is automatically calculated. This method has high accuracy and good repeatability and is a commonly used method in the industry. The colloidal titrator is used for the determination of the charge density of polymer electrolytes. It titrates with a polyelectrolyte carrying the opposite charge (such as PVSK), and the end - point is judged by the color change of the indicator or the potential change. It is suitable for the detection of CPAM with a low cationic degree.

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