发明名称 |
Process for removing sulfur dioxide from combustion exhaust gas |
摘要 |
The present invention concerns a process for removing sulfur dioxide from a combustion exhaust gas, wherein sulfur dioxide contained in the combustion exhaust gas is absorbed into an aqueous absorbent containing carboxylate salts and after oxidizing the thus formed sulfite and hydrogen sulfite into sulfate, the sulfate is converted into gypsum and separated, the invention particularly concerning a method for suppressing the decomposition of the carboxylate salts at the same time oxidizing the sulfite and hydrogen sulfite.
|
申请公布号 |
US4367205(A) |
申请公布日期 |
1983.01.04 |
申请号 |
US19810291503 |
申请日期 |
1981.08.10 |
申请人 |
KUREHA KAGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
KUDO, YOSHIHIKO;SUZUKI, YUKIO;OTOMO, MITURU |
分类号 |
B01D53/50;B01D53/77;C01F11/46;(IPC1-7):C01B17/00 |
主分类号 |
B01D53/50 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|