Multiple-pressure distillation
US5162081A · kind A · utility
12Cited by
9References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 5, 1991 |
| Grant date | Nov 10, 1992 |
| Priority date | — |
| Expiry date | Jul 5, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S203/13
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for distillation of a multiple-component liquid/solid system, for example, used engine coolant at two different vaporizing pressures. One component, for example, water, is separated into one distillate stream at a first pressure and the other component, for example, ethylene glycol, is separated into another distillate stream at a second pressure. Each distillate stream is directed toward an individual storage tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.