| 摘要 |
PROBLEM TO BE SOLVED: To provide an installation and process for recycling wiping solution of intaglio printing presses.SOLUTION: An installation 02 comprises a flocculation tank 12 for inducing flocculation of ink constituents contained in waste solution coming from intaglio printing presses 10, a processing tank 14 for pre-treating the waste solution for subsequent filtering, and a filter press unit 15 for filtering the waste solution coming from the processing tank and producing recycled solution, the recycled solution being recycled to produce fresh wiping solution for use by the intaglio printing presses 10. The installation 02 further comprises a decantation unit 13a for separating the waste solution coming from the flocculation tank 12 by decantation into precipitate and decanted supernatant which is fed to the processing tank 14 and a centrifugation unit 13b for further separating the precipitate produced by the decantation unit 13a by centrifugation into further precipitate and centrifuged supernatant, which centrifuged supernatant is fed to the processing tank 14. A corresponding process is also described.SELECTED DRAWING: Figure 3 |
