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Use of Biostimulants and Buffers for Upset Recovery in Paper Mill Wastewater Systems

By Heather Jennings, PE

Industrial pulp and paper wastewater is considered one of the more challenging waters to treat using biological methods, which depend on microbial activity to effectively remediate the wastewater.

Wastewater treatment systems are often influenced/impacted by increased hydraulic and/or COD (chemical oxygen demand) loading as mills add new chemicals or otherwise modify mill operations. These events oftentimes inhibit the wastewater microbial activity, causing “upsets” and, potentially, discharge-limit violations. However, providing the necessary biostimulants and buffers to the microbial system—as we describe in this case study from a paper mill in China—can significantly improve system-upset recovery time and overall operational stability. Continue Reading

The Water Break Podcast, Episode 2: Enhanced Biological Phosphorus Removal in Wastewater

“Where we bridge the gap between water plant operators and engineers”

In this podcast episode, host Heather Jennings, PE, interviews wastewater microbiologist and certified operator Toni Glymph-Martin on the topic of Enhanced Biological Phosphorus Removal in Wastewater. Toni has more than 40 years of wastewater experience and is the author of several wastewater microbiology textbooks.

Microorganisms (stained slides), photos courtesy of Toni Glymph-Martin:

  • GAOs

  • PAO-PHBs

  • PAO-PolyPs

Toni’s Website: www.wwmicrosolutions.com

Toni’s textbooks:

More from Toni Glymph-Martin (video): The Wastewater Treatment Plant Microbiological Zoo

Podcast reference from Wanda’s Water Tidbit:

From the Door of Heather’s Home Recording Studio:

Our Most Popular Case Studies

Bioremediation can improve the activity and reproduction of wastewater microbiology. The following case studies used bioremediation to improve wastewater treatment conditions and operating costs.
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