REMOVING METHOD AND RECOVERING METHOD FOR COBALT AND/ OR ZINC IN IRON CHLORIDE SOLUTION

Title:

REMOVING METHOD AND RECOVERING METHOD FOR COBALT AND/ OR ZINC IN IRON CHLORIDE SOLUTION

Document Type and Number:

Japanese Patent JP2003266065

Kind Code:

A

Abstract:

To provide an effective method for reducing the amount of a consumed iron material and inhibiting increase in zinc concentration in an obtained ferrous chloride solution, in a method for recovering cobalt from a cobalt chloride- containing aqueous solution, such as etching waste water, and obtaining a ferrous chloride solution containing a low concentration of cobalt.

The method for removing cobalt and/or zinc in the ferrous chloride solution comprises bringing the ferrous chloride solution containing cobalt and/or zinc into contact with an adsorbent to adsorb and remove the cobalt and/or zinc by the adsorbent.

Inventors:

ONISHI TSUTOMU
DENDA NAKAO
OTA SHIGEKAZU
SAKATA AKIHIRO

Application Number:

JP2002075210A

Publication Date:

September 24, 2003

Filing Date:

March 18, 2002

Export Citation:

Click for automatic bibliography generation Help

Assignee:

TOAGOSEI CO LTD

International Classes:

C02F1/28; B01D9/02; B01J20/34; C02F1/62; C02F1/70; C22B3/42; C22B3/46; C22B19/00; C22B19/20; C22B23/00; (IPC1-7): C02F1/28; B01D9/02; B01J20/34; C02F1/62; C02F1/70; C22B3/42; C22B3/46; C22B19/00; C22B23/00

Previous Patent: CLEANING MATERIAL FOR POLLUTANT IN TOXIC AND HARMFUL COMPONENT-CONTAINING WASTE LIQUID, AND CLEANING...

Next Patent: METHOD AND APPARATUS FOR WATER TREATMENT