Superior Sizing Technology Helps a Gypsum Liner Producer Control Cull and Reduce Internal Size Costs

GoalControl cull and reduce internal size program cost.

<h6>Customer Challenge</h6> <p>A North American gypsum liner producer was experiencing excessive cull production due to sizing variation. Historical data analysis showed out-of-spec Cobb Test was the prime reason. The mill was also interested in reducing sizing program costs which was around 75% of their total chemical costs.</p> <p>The incumbent alkyl succinic anhydride (ASA) and old generation cationic polymer batch system didn&rsquo;t achieve the customer expectations. It was causing sizing variability. Poor equipment set-up by the competitor was also partly to blame.</p> <h6>Recommended Solution</h6> <p>Solenis recommended Prequel 2000E ASA sizing agent emulsified in Prequel 500 emulsification cationic liquid starch. Solenis&rsquo; proprietary design PLC-controlled HASE 300B emulsification system was used to make and supply the ASA emulsion directly to the paper machine.</p> <h6>Results Achieved</h6> <p>Solenis&rsquo; ASA sizing program helped the mill meet their goals of reducing cull board for Cobb test variability and reducing sizing cost/ton. Prequel 2000E/Prequel 500 outperformed the competitor ASA/polymer program. Our state-of-the-art emulsification equipment allowed the customer to control set points and operate directly from the DCS.</p> <p><img style="max-width: 100%; width: auto; height: auto;" src="/link/956ef40899c842b7a1f9770debbe9015.aspx" alt="" width="2268" height="1371" /></p> <p>&nbsp;</p>