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Chemtrac Products Featured in January Issue of TPO

A case history that was first introduced as a testimonial video on our website, has now landed in print on the pages of TPO (Treatment Plant Operator) magazine. The article highlights the use of the Laboratory Charge Analyzer, and the on-line Streaming Current Monitor, at a North Carolina WTP with rapidly changing source water conditions. The plant personnel rely on the two instruments to determine, and maintain, the optimum dosage of coagulant....

South Carolina WTP Overcame Flood-Related Challenges

It is not uncommon for water treatment plants to have to adjust coagulant doses when raw water conditions rapidly change due to passing storms. However, recent hurricanes and tropical storms remind us that when record-setting rainfalls cause epic flooding, water treatment plants can be faced with unprecedented challenges....

Less Sludge Means More Money

“When Tennessee-American Water purchased Whitwell’s system we inherited an inefficient sludge removal and disposal process, and until we can implement a more cost effective way of disposing our sludge we greatly reduced current costs.” – Operations Supervisor, Michael Griffith Facing stringent water quality goals, water treatment plant operators hate playing “catch-up” while watching the sedimentation basin turbidity rise along with filter effluent.  Standard operating procedures amongst operator’s would agree that a little overfeed in coagulant is easier on daily operations than trying to underfeed especially when the coagulant choice is a PACl.  A proven alternative to this SOP is to use streaming current measurement to continuously monitor the charge demand of the raw water and th...

New Instrumentation Causes Operators to Rethink Water Treatment Procedures

In 2014, the city of Franklin, NC, purchased a Chemtrac on-line Streaming Current Monitor at the advice of their state regulatory agency. This was to help them manage USEPA Maximum Contaminant Levels (MCL) for disinfection by-products.  Historically, plant operators determined their coagulant dosage based on the turbidity level in their river source.  Both alum and lime were used to treat a cold, low alkalinity, and often turbid river influenced by heavy rain events....

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