METHODS FOR THE OXIDATIVE DEHYDROGENATION OF BUTENE TO PRODUCE BUTADIENE

METHODS FOR THE OXIDATIVE DEHYDROGENATION OF BUTENE TO PRODUCE BUTADIENE

Methods for producing butadiene by the oxidative dehydrogenation of butene are provided. Methods for producing butadiene from a feed stream including oxygen and butene in a molar ratio of oxygen to butene (O2/C4H8) from about 0.9 to about 1.5 can include introducing the feed stream to a catalyst in...

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Bibliographische Detailangaben
Hauptverfasser: LI XIN, ZHANG XIANKUAN, HAZIN PAULETTE, TENNYSON REGGIE, JIMENEZ JORGE
Format: Patent
Sprache:chi ; eng
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Zusammenfassung:Methods for producing butadiene by the oxidative dehydrogenation of butene are provided. Methods for producing butadiene from a feed stream including oxygen and butene in a molar ratio of oxygen to butene (O2/C4H8) from about 0.9 to about 1.5 can include introducing the feed stream to a catalyst in the presence of steam. The molar ratio of steam to butene (H2O/C4H8) can be from about 10 to about 20. Methods can further include reacting the butene to generate a product stream therefrom comprising butadiene and water. Methods can further include separating water from the product stream to generate a butadiene stream including greater than about 85 wt-% butadiene. 提供了通过丁烯氧化脱氢生产丁二烯的方法。由包含氧气与丁烯的摩尔比(O/CH)为约0.9至约1.5的氧气和丁烯的进料流生产丁二烯的方法可包括在蒸汽存在下将进料流引入至催化剂。蒸汽与丁烯的摩尔比(HO/CH)可以为约10至约20。该方法可以进步包括使丁烯反应以由其产生包含丁二烯和水的产物流。该方法可以进步包括从产物流中分离水以产生包含大于约85重量％丁二烯的丁二烯流。