Evaluations of ChemTreat Solutions Automated Feed Systems at Southeast paper mill case study


Courtesy of ChemTreat, Inc.

A large Southeast Paper Mill was experiencing poor control with their water treatment supplier who was using pace and chemical verification instrumentation. The mill was experiencing major variances in cycle control, conductivity, P-alkalinity, and phosphate control. ChemTreat had investigated the causes of these variances and submitted their recommendations for improvement. As a result, ChemTreat was given the opportunity to turn things around.

Major variances in cycle control, conductivity, P-alkalinity, phosphate control, and overall chemical control.

After assessing customer needs and previous program performance using ChemTrack software, ChemTreat installed an advanced version of their ChemTreat Solutions Control and Monitoring System which included proportional chemical feed pumps, blowdown control based on cycles, and correct chemical feed injection points. As a result, the customer is able to precisely control and monitor the chemical and blowdown of their systems at a very tight control range which had never before been seen at this facility. The neat feed of products by the ChemTreat Solutions Control System eliminated the costly, maintenance-intensive, and inaccurate feed and control system previously used by the incumbent supplier.

The ChemTreat Solutions System also datalogs other critical system parameters such as hardness, silica, sodium, and turbidity to fine tune system performance. Evaluation and results after installing ChemTreat Solutions are shown in the figures to follow.

Evaluation of the ChemTreat Solutions System was considered a major success. Plant management agreed use of the on-line system was a significant process improvement. As a result, the mill will realize improved treatment results and energy savings of at least $96,000 per year.

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