How to choose polyacrylamide depends on the concentration of colloids and suspended solids in water. So how to choose a suitable PAM?

1. Understand the source of sewage First, we must understand the source, nature, composition, solid content , etc. of the sludge. Generally speaking, cationic polyacrylamide is used to treat organic sludge, and anionic polyacrylamide is used to treat inorganic sludge. When pH is high, cationic polyacrylamide should not be used, and when , anionic polyacrylamide should not be used . Strong acidity makes it unsuitable to use anionic polyacrylamide. When the solid content of sludge is high, the amount of polyacrylamide used is large.

2. Selection of ionicity For sludge that needs to be dehydrated in sewage treatment, you can select flocculants with different ionicity through small experiments to select the most suitable polyacrylamide, which can achieve the best flocculation effect and minimize the dosage, saving costs.

3. Selection of molecular weight Generally speaking, the higher the molecular weight of polyacrylamide products, the greater the viscosity, but in use, the higher the molecular weight of the product, the better the use effect. In specific use, the appropriate molecular weight of polyacrylamide should be determined according to the actual application industry, water quality and treatment equipment.

When you buy and use PAM for the first time, it is recommended to provide the specific situation of the sewage to the flocculant manufacturer, and we will recommend a more suitable product type for you. And mail samples for testing. If you have a lot of experience in your sewage treatment, you can tell us your specific requirements, application fields, and processes , or directly give us the PAM samples you are currently using, and we will match you with the right polyacrylamide.