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TAPPI TIP0410-07
- Evaluating the Drainage Performance of a Fourdrinier
- standard by Technical Association of the Pulp and Paper Industry, 01/01/2005
- Publisher: TAPPI
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This procedure was developed to provide a method for evaluating fourdrinier drainage. It permits the study of the formation rate and retention distribution over any part or number of parts throughout the length of a fourdrinier. Also, it permits comparisons of forming rates for different fourdrinier equipment, furnishes, chemical additives or refining methods. The method used is a mass balance using consistency and ash determinations along with mass throughput as given by reel production data.