Apparatus, method for enrichment of the heavy isotopes of oxygen and production method for heavy oxygen water
US7393447B2 · kind B2 · utility
4Cited by
20References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2004 |
| Grant date | Jul 1, 2008 |
| Priority date | — |
| Expiry date | Mar 12, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S203/90
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus comprising first to third columns, wherein the outlet of a first column reboiler and the inlet of a second column condenser are connected by a first introduction conduit, and the outlet of a second distillation column reboiler and the inlet of a third column condenser are connected by a second introduction conduit, and additionally the outlet of the second column condenser and the inlet of the first column reboiler are connected by a first return conduit, and the outlet of the third column condenser and the inlet of the second column reboiler are connected by a second return conduit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.