Process System
Stock Preparation System
A matched pulping and stock treatment system for recycled fiber, OCC, and selected virgin pulp workflows, helping improve cleanliness, consistency, and machine stability.

Product Introduction
Stock preparation plays a direct role in sheet quality, equipment protection, and process stability. SEN International can configure this system as a complete package or as part of a wider line rebuild.
Typical Supply Scope
- Hydrapulper and pulping auxiliaries
- Pressure screens, cleaner stages, thickener and refiner
- Approach flow and stock transfer modules
Application Notes
Often selected by mills processing recycled furnish, corrugated waste paper, or mixed paper where impurity removal is important.
| Item | Typical Range |
|---|---|
| Application | OCC, mixed waste paper, pulp board |
| Capacity | 20-400 TPD |
| Main sections | Pulping, screening, cleaning, refining |
| Configuration mode | Standalone package or complete line support |
| Process focus | Cleanliness, consistency, and machine protection |
| Utilities | Matched to client plant conditions |