Method for using water-treating sponges

Details Method for using water-treating sponges Method for using water-treating sponges

Filed on

1991-03-19

Date issued

1991-11-12

Examiner

Silverman, Stanley S.

Patent Class

Liquid purification or separation

SubClass

Processes

SubSubClass

Ion exchange or selective sorption

Other Related Categories

210282, 2105021, C02F 142

Type

Patent

Status

active

Patent number

050645404

Description

ABSTRACT:
A water treatment method is provided which employs a bed of small-sized pieces of sponge to absorb dissolved ions from water passed through the bed. The method involves compacting the bed so that its volume, achieved as a result of gravity force alone, is reduced by between 10% and 40%, and employing a flow rate through the bed of between about 0.05 and 2.0 bed volumes/minute.

REFERENCES:
patent: 2364617 (1944-12-01), Bolser
patent: 2672984 (1954-03-01), Russell
patent: 2692683 (1954-10-01), Mason
patent: 3715339 (1973-02-01), Rainer
patent: 4005010 (1977-01-01), Lunt
patent: 4168971 (1974-09-01), Szczepanski
patent: 4332916 (1982-06-01), Thill

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