Patent · US Expired

Process for treating drinking water and sewage

US4115261A · kind A · utility

4Cited by
5References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 29, 1976
Grant dateSep 19, 1978
Priority date
Expiry dateDec 29, 1996

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.