Process for producing pure water
US5954965A · kind A · utility
7Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1997 |
| Grant date | Sep 21, 1999 |
| Priority date | — |
| Expiry date | Mar 26, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/90
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a process for producing pure water having a total organic carbon content of not more than 200 ppb instantly after start of the operation of a high purity water system, comprising using as an ion exchange resin a specific strongly basic anion exchange resin and passing raw water through the high purity water system at a space velocity of not less than 20. The produced pure water is capable of producing tasteless and odorless pure water instantly after start of the operation of the high purity water system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.