发明名称 |
Process for converting ammonium imidodisulfate, ammonium sulfamate and ammonium dithionate to sulfur dioxide and ammonia |
摘要 |
Ammonium imidodisulfate and ammonium sulfamate may be converted to sulfur dioxide and ammonia by heating them with a reducing agent or a catalyst in a bath of molten ammonium sulfate and ammonium bisulfate. The reducing agent is sulfur or a sulfur compound and the catalyst is selected from Mo, W, Cu, Fe, Co, Cr, Mn and Ni.
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申请公布号 |
US4220634(A) |
申请公布日期 |
1980.09.02 |
申请号 |
US19790002273 |
申请日期 |
1979.01.10 |
申请人 |
INSTITUT FRANCAIS DU PETROLE |
发明人 |
DESCHAMPS, ANDRE;DEZAEL, CLAUDE;FRANCKOWIAK, SIGISMOND;GRUHIER, HENRI |
分类号 |
B01J23/00;C01B17/50;C01B17/90;C01C1/02;(IPC1-7):C01C1/02 |
主分类号 |
B01J23/00 |
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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