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公开(公告)号：US08841503B2
公开(公告)日：2014-09-23
申请号：US13116616
申请日：2011-05-26
CPC分类号： C07C7/12 , B01D15/1835 , C07C15/08
摘要： Purge fluid from a vessel head in an adsorption process is distributed to recovery processes according to the purity of product contained in the fluid. Extract-rich fluid thus is routed directly to recovery of the extract product. Distribution preferably is determined by internal positioning of feed, desorbent and product streams in the adsorption vessel.
摘要翻译： 根据流体中含有的产品的纯度将吸附过程中的容器头部清洗液分配到回收过程中。 因此，提取物富含的流体直接路由到萃取产物的回收。 分布优选通过进料，解吸剂和产物流在吸附容器中的内部定位来确定。
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公开(公告)号：US20120302812A1
公开(公告)日：2012-11-29
申请号：US13116616
申请日：2011-05-26
CPC分类号： C07C7/12 , B01D15/1835 , C07C15/08
摘要： Purge fluid from a vessel head in an adsorption process is distributed to recovery processes according to the purity of product contained in the fluid. Extract-rich fluid thus is routed directly to recovery of the extract product. Distribution preferably is determined by internal positioning of feed, desorbent and product streams in the adsorption vessel.
摘要翻译： 根据流体中含有的产品的纯度将吸附过程中的容器头部清洗液分配到回收过程中。 因此，提取物富含的流体直接路由到萃取产物的回收。 分布优选通过进料，解吸剂和产物流在吸附容器中的内部定位来确定。
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公开(公告)号：US09085499B2
公开(公告)日：2015-07-21
申请号：US13292713
申请日：2011-11-09
IPC分类号： C07C7/12
CPC分类号： C07C7/12 , B01D15/1828 , Y02P20/123 , Y02P20/57 , C07C15/08
摘要： The present process comprises a means for energy savings in one or more process pumps by driving the one or more pumps with a variable-speed driving means. The invention is particularly useful in the separation of an adsorbed product from a mixture of components using simulated-moving-bed adsorption associated with a large circulating stream pumped with variable-speed driving means for conservation of energy relative to the known art. The improvement is particularly applicable to a process for the separation of para-xylene from mixed C8 aromatics.
摘要翻译： 本方法包括通过用变速驱动装置驱动一个或多个泵来在一个或多个处理泵中节能的装置。 本发明特别可用于使用与用已知技术节约能源的可变速度驱动装置泵送的大循环流相关联的模拟移动床吸附分离吸附产物与组分混合物。 该改进特别适用于从混合的C8芳族化合物中分离对二甲苯的方法。
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公开(公告)号：US20130116495A1
公开(公告)日：2013-05-09
申请号：US13292713
申请日：2011-11-09
IPC分类号： C07C7/12
CPC分类号： C07C7/12 , B01D15/1828 , Y02P20/123 , Y02P20/57 , C07C15/08
摘要： The present process comprises a means for energy savings in one or more process pumps by driving the one or more pumps with a variable-speed driving means. The invention is particularly useful in the separation of an adsorbed product from a mixture of components using simulated-moving-bed adsorption associated with a large circulating stream pumped with variable-speed driving means for conservation of energy relative to the known art. The improvement is particularly applicable to a process for the separation of para-xylene from mixed C8 aromatics.
摘要翻译： 本方法包括通过用变速驱动装置驱动一个或多个泵来在一个或多个处理泵中节能的装置。 本发明特别可用于使用与用已知技术节约能源的可变速度驱动装置泵送的大循环流相关联的模拟移动床吸附分离吸附产物与组分混合物。 该改进特别适用于从混合的C8芳族化合物中分离对二甲苯的方法。
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