Use of reverse osmosis membranes to treat evaporator clean condensate
US6110376A · kind A · utility
7Cited by
7References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 1998 |
| Grant date | Aug 29, 2000 |
| Priority date | — |
| Expiry date | Dec 14, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F1/441
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method and apparatus for the treatment of the 5th Effect combined evaporator condensate generated by kraft process pulp mills. The method includes the removal from effluents of organic compounds that result in BOD, COD and toxicity by the use of reverse osmosis. Through the use of a reverse osmosis membrane system there is provided a simple, economical and efficient treatment process for clean evaporator condensate, and in particular the 5th Effect combined evaporator condensate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.