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LATEST NEWS

June 09, 2021
AMALGAM Mg(OH)2: alternative to caustic soda for wastewater treatment – with Birch Bay Water & Sewer

A safe and cost-effective alternative to the use of sodium hydroxide [caustic soda, NaOH] for wastewater alkalinity and pH adjustment

June 09, 2021
Magnesium Hydroxide’s Role in Sludge Compaction

Trying to determine how to improve wastewater sludge dewatering and compaction can be a very complicated process.  The root cause

March 31, 2022
IER News Issue 7 – March 2022

A Letter from Doug Kelley, President of IER Welcome to Spring of 2022, everybody!  I thought I’d begin this letter

March 31, 2022
Introducing John Strong 

John has been the primary IER Manager responsible for the design and construction of IER’s manufacturing plants, including the Centralia WA plant which he currently manages.