TAPPI TIP 0502-13 2010, Retention definitions, is a concise technical information paper for understanding retention terminology in papermaking processes. It defines overall or true retention and first-pass retention, explains the significance of retention measurements for process efficiency and variability, and provides representative calculation formulas.
The document also discusses sampling-location consistency, process conditions, filterable solids, white water, headbox measurements, and common sources of solids loss. It is a practical reference for paper industry professionals who need consistent terminology and basic guidance when comparing retention measurements.
Application Scope: Papermaking process analysis, retention measurement interpretation, wet-end operations, process troubleshooting, technical training, and paper machine performance evaluation.
