Pumping long chain polymers in wastewater applications without damaging them

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By Amparo Burke

Flocculant and coagulation polymers are used in the removal of solid particles. Flocculants separate solid content in the wastewater from the liquid content. A coagulant combines small particles to form larger chain particles. These polymers change the charge of the particles, so that they will combine rather than repel other particles. The resulting long chain polymers will form a thick sludge and settle to the bottom. To avoid common problems experienced with these materials, it is crucial to use a pump that will precisely and gently dose long chain polymers without causing damage to them. Additionally, polymer and flocculants are slippery, so spills can not only be very messy, but may also cause hazardous conditions for operators. Cleanup is often difficult and costly.

Read the full article in ES&E Magazine’s April 2022 issue:

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