发明名称 |
PROCESS FOR PRODUCING AMMONIUM SALTS |
摘要 |
<p>The invention relates to a process of producing an ammonium salt composition. The process comprises the step of providing a process stream comprising sulfuric acid and at least one tertiary amine. The process further comprises the step of contacting the process stream with ammonia to form a waste stream and a product stream. The waste stream comprises water, tertiary amine, and ammonia and the product stream comprises a first amount of ammonium salt. The process further comprises the step of deriving from the waste stream an off gas stream comprising a preliminary amount of ammonia. The process also comprises the step of contacting the off gas stream with an acid to form an ammonium salt stream and a purge stream. The ammonium salt stream comprises a second amount of ammonium salt and the purge stream comprises a reduced amount of ammonia, which is less than the preliminary amount.</p> |
申请公布号 |
EP2560946(A1) |
申请公布日期 |
2013.02.27 |
申请号 |
EP20110716771 |
申请日期 |
2011.04.18 |
申请人 |
CELANESE INTERNATIONAL CORPORATION |
发明人 |
BRIETZKE, STEPHAN;GROER, PETER;MOLLENKOPF, CARL, CHRISTOPH;BAYER, MICHAEL, J. |
分类号 |
C07C209/86;C01C1/242;C07C211/05;C07D291/06 |
主分类号 |
C07C209/86 |
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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