| 发明名称 |
METHOD OF REMOVING SULFURIC ANHYDRIDE AND WATER FROM GAS CONTAINING SULFUR DIOXIDE AND SULFURIC ANHYDRIDE GAS |
| 摘要 |
<p>PURPOSE:To accomplish an effective removal of concentrated sulfuric acid from gases containing sulfur dioxide and sulfuric anhydride gas through condensation and removal of water and recycling of dilute sulfuric acid after absorption of sulfuric anhydride in the waste gases by sulfuric acid with a concentration of less than 55pi while it is brought into contact therewith.</p> |
| 申请公布号 |
JPS5425263(A) |
申请公布日期 |
1979.02.26 |
| 申请号 |
JP19770090366 |
申请日期 |
1977.07.29 |
| 申请人 |
HITACHI LTD;NIPPON CHEM PLANT CONSULTANT |
发明人 |
TOYODA SEIICHI;HISATOMI SHIGENOBU;MARUKO SABUROU |
| 分类号 |
B01D53/50;B01D53/14;B01D53/34;B01D53/77;C01B17/56 |
主分类号 |
B01D53/50 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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