Insoluble adsorber resin suitable for treating drinking water and sewage
US4025705A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 20, 1975 |
| Grant date | May 24, 1977 |
| Priority date | — |
| Expiry date | Oct 20, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/916
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a process for removing oleophilic odor- and tasteproducing substances from water by treating the water with an insoluble, macroporous adsorber resin comprising a matrix based on a crosslinked organic polymer containing aromatic nuclei, the polymer containing chloromethyl groups as substituents; some of the chlorine atoms in the chlormethyl groups can be reacted with ammonia or amines; furthermore, the invention relates to the adsorber resins to be used in the claimed process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.