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公开(公告)号：US06072093A
公开(公告)日：2000-06-06
申请号：US187714
申请日：1998-11-06
CPC分类号： C07C2/08 , C07C11/02 , C07C2/18 , C07C9/22 , C07C2527/173
摘要： A process for the production of C.sub.8 and higher olefins by the oligomerization of light olefins to heavier olefins is improved by the addition of cycloparaffins to the oligomerization zone. The recycle of the cycloparaffins extends the catalyst activity and improves the catalyst life. Cyclohexane provides an excellent solvent for removing deposits from the catalyst with chemical inertness to the process and a boiling range that allows its essentially complete recovery when producing nonenes and higher olefins from propylene feeds.
摘要翻译： 通过在低聚区域中加入环烷烃，可以改善通过将轻质烯烃低聚成重质烯烃制备C8和高级烯烃的方法。 环烷烃的再循环延长了催化剂活性，提高了催化剂寿命。 环己烷提供了一种极好的溶剂，用于从催化剂中除去沉积物，对该方法具有化学惰性，沸点范围允许当从丙烯进料生产非烯烃和高级烯烃时，其基本上完全恢复。
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公开(公告)号：US5856604A
公开(公告)日：1999-01-05
申请号：US936942
申请日：1997-09-23
申请人： Laurence O. Stine , Steven C. Gimre
发明人： Laurence O. Stine , Steven C. Gimre
CPC分类号： C10L1/06 , C07C5/3337 , C10G69/126 , C07C2523/04 , C07C2523/14 , C07C2523/42 , C07C2523/62 , Y02P20/125 , Y02P20/132 , Y02P20/582
摘要： A process for the production motor fuel components from isoparaffins by dehydrogenation, oligomerization and saturation uses a single compressor to provide all feed and recycle requirements within the process arrangement. The single compressor can be employed for the integration of all three processes while surprisingly reducing equipment requirements throughout the integrated process arrangement. The compressor raises the effluent pressure of the effluent from the dehydrogenation zone to a level that eliminates the need for any additional compression for the recycle of hydrogen to the saturation zone, eliminates the need for refrigeration to recover butanes from the dehydrogenation zone effluent and allow an essentially complete elimination of heavies from the feed to the oligomerization reaction zone.
摘要翻译： 通过脱氢，低聚和饱和来生产来自异链烷烃的马达燃料组分的方法使用单个压缩机来提供所述进料装置内的所有进料和再循环要求。 单个压缩机可用于整合所有三个过程，同时令整个整个过程安排减少了设备要求。 压缩机将来自脱氢区域的流出物的流出物压力提高至不需要任何额外的压缩以将氢循环到饱和区域，消除了从脱氢区流出物回收丁烷的制冷需要，并允许 基本上完全消除了从进料到低聚反应区的重质物。
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公开(公告)号：US5811608A
公开(公告)日：1998-09-22
申请号：US573315
申请日：1995-12-15
IPC分类号： B01J27/16 , C07B61/00 , C07C2/08 , C07C2/18 , C07C2/56 , C07C5/02 , C07C9/00 , C07C11/02 , C10G69/02 , C10G69/12 , C07C2/74 , C07C5/03
CPC分类号： C10G69/126 , C07C2/20 , C07C9/00 , C07C2527/173 , Y02P20/132
摘要： A process for the production of saturated oligomers by the oligomerization of light olefins to heavier olefins and the saturation of the heavy olefins is improved by the recycle of the heavy paraffins to the oligomerization zone. The recycle of the heavy paraffins improves the selectivity of the oligomerization for C.sub.8 paraffin products and reduces catalyst fouling. The reduced catalyst fouling can be used to operate the oligomerization zone at lower pressure and facilitate its integration with a dehydrogenation zone for the production of the light olefin stream.
摘要翻译： 通过将重质链烷烃再循环到低聚区，通过将轻质烯烃低聚成较重烯烃并使重质烯烃饱和来制备饱和低聚物的方法得到改善。 重链烷烃的再循环改善了C8烷烃产物的低聚选择性并减少催化剂结垢。 减少的催化剂结垢可用于在较低压力下操作低聚区，并促进其与用于生产轻质烯烃流的脱氢区的一体化。
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公开(公告)号：US06284938B1
公开(公告)日：2001-09-04
申请号：US09467701
申请日：1999-12-20
IPC分类号： C07C218
CPC分类号： C07C2/18 , C07C2/08 , C07C9/22 , C07C11/02 , C07C2527/173
摘要： A process for the production of C8 and higher carbon number alkene oligomers by the oligomerization of light olefins to heavier olefins is improved by the addition of heavy paraffins to the oligomerization zone. The recycle of the heavy paraffins extends the catalyst activity and improves the catalyst life. The non-reactive paraffin stream may be recycled through the process with minimal losses and make-up.
摘要翻译： 通过在低聚区域中加入重质链烷烃，可以改善通过将轻质烯烃低聚成重质烯烃制备C8和更高碳数的烯烃低聚物的方法。 重链烷烃的再循环延长了催化剂活性，提高了催化剂寿命。 非反应性石蜡流可以通过该方法循环使用，具有最小的损失和补充。
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公开(公告)号：US5990367A
公开(公告)日：1999-11-23
申请号：US187699
申请日：1998-11-06
CPC分类号： C07C2/08 , C07C11/02 , C07C2/18 , C07C9/22 , C07C2527/173
摘要： A process for the production of C.sub.8 and higher olefins by the oligomerization of light olefins to heavier olefins is improved by the addition of heavy paraffins to the oligomerization zone. The recycle of the heavy paraffins extends the catalyst activity and improves the catalyst life.
摘要翻译： 通过在低聚区域中加入重质链烷烃，可以提高通过轻质烯烃向较重烯烃的低聚制备C8和高级烯烃的方法。 重链烷烃的再循环延长了催化剂活性，提高了催化剂寿命。
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公开(公告)号：US5895830A
公开(公告)日：1999-04-20
申请号：US990828
申请日：1997-12-15
CPC分类号： C07C9/22 , C07C11/02 , C07C2/08 , C07C2/18 , C07C2527/173
摘要： A process for the production of C.sub.8 alkene isomers by the oligomerization of light olefins to heavier olefins is improved by the addition of heavy paraffins to the oligomerization zone. The recycle of the heavy paraffins improves the selectivity of the oligomerization for C.sub.8 olefin isomers that have a high octane number when saturated and reduces catalyst fouling. The saturated octane number of the resulting C.sub.8 isomers is particularly improved when the oligomerization zone is operated at reduced temperature conditions.
摘要翻译： 通过在低聚区域中加入重质链烷烃，可以改善通过将轻质烯烃低聚成重质烯烃制备C8烯烃异构体的方法。 重链烷烃的再循环改善了当饱和时具有高辛烷值并降低催化剂结垢的C8烯烃异构体的低聚选择性。 当低温区在降低的温度条件下运行时，所得的C8异构体的饱和辛烷值特别提高。
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