Title:
METHOD FOR REMOVING SO3 IN EXHAUST GAS
Document Type and Number:
Japanese Patent JP2010201412
Kind Code:
A
Abstract:
To provide a method for removing SO3 in an exhaust gas wherein a suitable amount of NH3 is introduced and a dust adhered to a discharge electrode can be fallen down even at a discharge-gas temperature at which NH4HSO4 is formed.
There is provided a method in which NH3 is injected into the exhaust gas containing SO3 and air is supplied to an electric dust collector 24 to remove SO3 in the exhaust gas, wherein the adding amount of NH3 for SO3 is controlled to remove SO3 in accordance with the exhaust-gas temperature where NH4HSO4 is generated.
Inventors:
AOYAMA KOTARO
SHIROMARU NOBUHIKO
ANDO HIROKI
HAYATSU MASAKI
SHIROMARU NOBUHIKO
ANDO HIROKI
HAYATSU MASAKI
Application Number:
JP2009216623A
Publication Date:
September 16, 2010
Filing Date:
September 18, 2009
Export Citation:
Assignee:
HITACHI PLANT TECHNOLOGIES LTD
International Classes:
B01D53/50; B01D53/81; B03C3/013
Domestic Patent References:
| JP2002263440A | 2002-09-17 | |||
| JP2001104823A | 2001-04-17 |
Attorney, Agent or Firm:
Yuichi Murakami
Takahiro Deguchi
Takahiro Deguchi