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公开(公告)号：EP1601746A1
公开(公告)日：2005-12-07
申请号：EP04705010.9
申请日：2004-01-24
发明人： BITTERLICH, Stefan , VOSS, Hartwig , SCHUCH, Gunter , SINNEN, Rudolf , LAIB, Heinrich , PÄSSLER, Peter
CPC分类号： B01D61/362 , C10G7/00 , C10G7/08 , C10G9/00 , C10G31/11
摘要： Disclosed is a method for processing naphtha, according to which a) naphtha or a stream generated from naphtha in a preprocessing step is divided into a stream A that is stripped of aromatics and a stream B which is enriched with aromatics in a membrane unit, the aromatics concentration in stream A ranging from 2 to 12 percent by weight (step a); b) partial stream A is directed at least in part into a steam cracker (step b); c) partial stream B is directed at least in part into a unit in which said stream B is divided into a stream C or several streams C' C'', C''',..., which has/have a lower aromatics content than stream B, and a stream D or several streams D', D'', D''',..., which has/have a higher aromatics content than stream B, by means of a thermal process (step c); d) stream C or at least one of the streams C', C'', C''' is delivered as a whole or in part to the feed for the steam cracker or directly to the steam cracker (step d).
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公开(公告)号：EP1601746B1
公开(公告)日：2007-04-11
申请号：EP04705010.9
申请日：2004-01-24
发明人： BITTERLICH, Stefan , VOSS, Hartwig , SCHUCH, Gunter , SINNEN, Rudolf , LAIB, Heinrich , PÄSSLER, Peter
CPC分类号： B01D61/362 , C10G7/00 , C10G7/08 , C10G9/00 , C10G31/11
摘要： Disclosed is a method for processing naphtha, according to which a) naphtha or a stream generated from naphtha in a preprocessing step is divided into a stream A that is stripped of aromatics and a stream B which is enriched with aromatics in a membrane unit, the aromatics concentration in stream A ranging from 2 to 12 percent by weight (step a); b) partial stream A is directed at least in part into a steam cracker (step b); c) partial stream B is directed at least in part into a unit in which said stream B is divided into a stream C or several streams C' C'', C''',..., which has/have a lower aromatics content than stream B, and a stream D or several streams D', D'', D''',..., which has/have a higher aromatics content than stream B, by means of a thermal process (step c); d) stream C or at least one of the streams C', C'', C''' is delivered as a whole or in part to the feed for the steam cracker or directly to the steam cracker (step d).
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