News

WWET Training on Particle Counts and Turbidity

Chemtrac recently conducted a four-hour training class for Water Wastewater Education & Training (WWET), in Henderson, NV.  There were over 50 attendees from the local area. The group was mostly composed of operators from the City of Henderson, Las Vegas Valley Water District (LVVWD), Southern Nevada Water Authority (SNWA), and Southern Nevada Water Services (SNWS).The training was well received by those in attendance.  The WWET training coordinator, Brett Goodnow, had the following to say, “Chemtrac’s training was probably the best I have seen on those subjects. If found it very interesting that turbidity and particle counts do not always correlate. It was my impression that they would always complement each other. We had particle counters for years and now realize we did not fully un...

Removing Iron and Manganese in less than 10 minutes

Routine cleaning is essential for a streaming current monitor to work properly.   Therefore, plant operators desire a unit that is easy to clean, uses a good cleaning agent, and has a quick recovery of the streaming current reading after the cleaning is complete.   A 1:1 solution of hydrogen peroxide (approx. 5%) and acetic acid (common household vinegar) offers plant operators a simple and safe alternative to harsh cleaners.   A simple spray bottle and brush are all that is needed for a cleaning that takes less than 10 minutes to dissolve iron, manganese, and permanganate stains from the flow cell. Cleaning Steps: Remove probe, piston and flow cell from the SCM. Spray these pieces with 1:1 solution and allow the solution to set for a couple minutes. Brush the probe and piston before reass...

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...

AWPCA Annual Conference in Huntsville Alabama, August 3-5

Chemtrac Inc will exhibit and present at the AWPCA (Alabama Water and Pollution Control Association) Annual Conference in Huntsville Al, August 3-5 2015.  Presentations include an “Update on Laboratory Charge Measurement and Advances in Streaming Current Measurement” along with “Mythbusting Filter Performance with Particle Counters and Turbidimeters. ...

Chemtrac Presenting at International EPRI Conference

John Clark and Joe Zimmerman of Chemtrac, Inc., will team-up to present a technical paper at the Eleventh International Conference on Cycle Chemistry in Fossil and Combined Cycle Plants with Heat Recovery Steam Generators. The conference will take place in St. Louis, July 14-16, and over 150 power plant chemists and engineers from around the world will be in attendance. Clark and Zimmerman collaborated with Luis Diaz and Phil Maszak of Florida Power and Light to author the paper, “The Quest to Monitor Corrosion Product Transport in the Power Plant Steam Cycle.” Particle detection and turbidity measurement are discussed; and a case study is included profiling a corrosion product study that was completed at the FPL West County Energy Center. The Chemtrac PC3400 Particle Counter, as well as t...

5 Minute Jar Test on Display at ACE15 in Anaheim

For over 25 years Chemtrac has exhibited at the AWWA Annual Conference & Exhibition.  This week, at ACE15 in Anaheim, they are introducing the next generation Laboratory Charge Analyzer (LCA), along with the new and improved Benchtop/Portable Particle Counter (PC5000). Of course, on display will also be Chemtrac’s latest models of online Streaming Current Monitors, Particle Counters, Chlorine Analyzers, Organics Monitors, as well as the HydroACT series of water analyzer products. ...

2015 ARWA 37th Annual Technical Training Conference

Attendees of the Alabama Rural Water Association’s Annual Technical Training Conference were able to learn of the advantages of streaming current monitoring while visiting the Chemtrac booth.  Sporting a serviceable probe that the factory can rebuild, a higher flow capacity to minimize sensor fouling, and a more robust drive motor, Chemtrac’s DuraTrac 4 sensor is raising the bar for on-line streaming current measurement.  The HydroACT 600 controller accepts up to six sensors for measuring such parameters as streaming current, pH, chlorine (free or total), ORP, particle detection, and UV-254 organics measurement....

Operator Training in Auburn, Alabama

The Alabama-Mississippi Section of AWWA  is working to provide low cost, convenient training opportunities for its membership.  See the attached flyer for FREE Operator Training in Auburn, Alabama.  Seating is limited for this event so register soon.  Breakfast will be provided by the Section....

Tennessee Closes the Gap in Operator Training

Continuing education for Water Treatment Operators, and keeping up with the latest available technologies is quite essential. Personnel from five Tennessee water plants took advantage of Chemtrac’s “Optimizing Coagulation Using Streaming Current Measurement” workshops during 2014. Operators from La Vergne, Madison, Centerville, Harpeth Valley, and Bon Aqua learned how the Laboratory Charge Analyzer saves valuable time, and gives added coagulant dose determination precision as compared to routine jar tests. ...

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....

Chemtrac Exhibits at 75th Annual International Water Conference

It was a milestone year for the International Water Conference. The 75th Anniversary IWC was held November 16-19, and Chemtrac was in San Antonio to take part. Of particular interest to the Chemtrac booth visitors was the PC4400 Particle Counter with the ppb volumetric concentration readout. This is particularly useful in monitoring corrosion product transport in the power industry. The PC4400 is also quite popular for optimizing filtration in RO pretreatment applications, and correlating to (and monitoring) Silt Density Index (SDI) trends....

WQTC Exhibitor for Over 20 Years

Chemtrac was proud to exhibit at the 2014 Water Quality Technology Conference in New Orleans. A longtime supporter of WQTC, Chemtrac is one of just seven companies that have exhibited at this industry-leading technical conference for over 20 years.  At the booth they showcased the soon-to-be-released, new-and-improved bench-top charge analyzer (which will replace the CCA3100). The laboratory charge analyzers are used to quickly determine the optimum coagulant dosage, and minimize the need for jar testing. ...

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