Title:
REMOVING METHOD FOR NITROGEN OXIDES BY ABSORPTION
Document Type and Number:
Japanese Patent JPS5317588
Kind Code:
A
Abstract:
PURPOSE: To keep the concn. of ferrous EDTA complex in a NOx absorbing liquid contg. Fe-EDTA complex and sulfite ion at a specified value and above by adding a reducing agent to the liquid so as to maintain high denitration rate over a long period.
Inventors:
MORI TOSHIKATSU
TAKEUCHI MASATO
YAMASHITA TOSHIO
OKADA HIDEO
KUMAGAI TERUO
KAMO YUUICHI
NAKAJIMA SHITO
TAKEUCHI MASATO
YAMASHITA TOSHIO
OKADA HIDEO
KUMAGAI TERUO
KAMO YUUICHI
NAKAJIMA SHITO
Application Number:
JP9137176A
Publication Date:
February 17, 1978
Filing Date:
August 02, 1976
Export Citation:
Assignee:
HITACHI LTD
BABCOCK HITACHI KK
BABCOCK HITACHI KK
International Classes:
B01D53/56; B01D53/34; B01D53/60; B01D53/77; (IPC1-7): B01D53/16; B01D53/34
Domestic Patent References:
| JPS5210855A | 1977-01-27 |