METHOD OF MEASURING THE DEGREE OF ACTIVITY OF AN ION EXCHANGE FILTER
摘要
A temperature compensated differential between electrical conductivity measurements of a filter medium during passage therethrough of liquid being treated and measurement of the liquid alone after treatment, is utilized to calculate a conductivity ratio based on a reference value reflecting a minimum electrical conductivity measurement under ion saturation conditions in an ion-exchange filter. The filter is switched from an operational mode to a regenerating mode in response to detection of a predetermined conductivity ratio corresponding to approach of the filter to a clogged condition.
申请公布号
EP0308523(B1)
申请公布日期
1991.06.26
申请号
EP19870113804
申请日期
1987.09.22
申请人
KUNZ, GERHARD, DIPL.-CHEM. DR. ING.;GOEBEL, JOHANNES
发明人
KUNZ, GERHARD, DIPL.-CHEM. DR. ING.;GOEBEL, JOHANNES