Title:
DEOXYGENATING METHOD AND APPARATUS USING HIGH PURITY GAS
Document Type and Number:
Japanese Patent JPH04349902
Kind Code:
A
Abstract:
PURPOSE: To reduce the conc. of dissolved oxygen to a low level of several ppb in a low cost by simple apparatus constitution.
CONSTITUTION: A high purity gas supply line (4) and a vacuum discharge line (6) are connected to a deoxygenating module equipped with a gas permeable membrane (11) and raw water is brought into contact with high purity gas through permeable membrane and the gas is discharged on the high purity gas contact side of the gas permeable membrane.
Inventors:
SHIRAISHI HITOSHI
Application Number:
JP15237191A
Publication Date:
December 04, 1992
Filing Date:
May 27, 1991
Export Citation:
Assignee:
MIURA KENKYUSHO KK
International Classes:
B01D19/00; C02F1/20; C02F1/58; (IPC1-7): B01D19/00; C02F1/20; C02F1/58