Patent · US Expired

Method of increasing the concentration of dilute brine in NaCl electrolysis plants using the membrane process

US6547948B1 · kind B1 · utility

2Cited by

1References

6Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Alfred Soppe · Issum, DE
Klaus Geisler · Bonn, DE
Bernd Bressel · Dormagen, DE

Key dates

Filing date	Oct 3, 2000
Grant date	Apr 15, 2003
Priority date	—
Expiry date	Oct 3, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC25B15/08
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The present invention relates to a method of increasing the concentration of dilute brine in NaCl electrolysis plants using the membrane process, wherein the NaCl required is stored in a mass flow silo with supernatant liquid and is fed continuously from there to the quick dissolver.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.