Title:
WATER MAKING METHOD
Document Type and Number:
Japanese Patent JPS5330482
Kind Code:
A
Abstract:
PURPOSE: To improve the recovering ratio of desalted water, by carrying out the treatment with reverse osmotic membrane, after removing contained Ca or Mg, preliminary contacting salt water with chelate ion exchange resin etc., introduced functional group, making complex salt with Ca or Mg in molecule.
Inventors:
OOYA HARUHIKO
UESHIMA KOUJI
KUDOU TAKASHI
UESHIMA KOUJI
KUDOU TAKASHI
Application Number:
JP10536976A
Publication Date:
March 22, 1978
Filing Date:
September 01, 1976
Export Citation:
Assignee:
UNITIKA LTD
International Classes:
C02F1/44; B01D61/16; B01D61/58; B01J19/00; (IPC1-7): B01D13/00; C02B1/82