Typical coarse rejects are:
- Pieces of plastic and plastic films, undissolved paper (light)
- Stones, pieces of metal (heavy)
Typical fine rejects are:
- Fibers, stickies, wax (light)
- Sand, glass, small pieces of metal (heavy)
Rejects from recycled fiber lines are quite wet when they leave the process, with a lot of free water and water stored in the fibrous material. While free water is relatively easy to remove, the water in the fibers is more critical. Considerable force is needed to achieve an acceptable dry content in the material. However, the higher reject consistencies also help save on drying and disposal costs.
The Reject Compactor ReCo is a robust screw press for dewatering fiber-containing rejects. It is best suited for rejects from