Method for fluid recovery in a semi-aqueous wash process
US7513004B2 · kind B2 · utility
38Cited by
267References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 2005 |
| Grant date | Apr 7, 2009 |
| Priority date | — |
| Expiry date | May 23, 2025 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06F43/085
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A method for fluid recovery in a semi-aqueous wash process including the steps of receiving semi-aqueous wash liquor from a wash container; pretreating the semi-aqueous wash liquor and separating it into aqueous-rich working fluid phase and non-aqueous working fluid phase, treating the aqueous-rich working fluid phase to remove remaining non-aqueous working fluid, and treating the non-aqueous-rich working fluid phase for recovery and reuse.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.