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1. 发明申请

US20120048778A1 SELECTIVE DESULFURIZATION OF FCC GASOLINE 审中-公开
标题翻译： FCC汽油的选择性脱硫
公开(公告)号：US20120048778A1
公开(公告)日：2012-03-01
申请号：US12944922
申请日：2010-11-12
申请人： Gary G. Podrebarac , Arvids Judzis , Purvis K. Ho , Mahesh Subramanyam , Luis Simoes
发明人： Gary G. Podrebarac , Arvids Judzis , Purvis K. Ho , Mahesh Subramanyam , Luis Simoes
IPC分类号： C10G35/06
CPC分类号： C10G35/06 , C10G2300/1044 , C10G2300/1055 , C10G2300/202 , C10G2300/207 , C10G2300/301 , C10G2300/4087 , C10G2400/02 , C10G2400/04
摘要： Processes for the desulfurization of high end point naphtha, such as naphtha fractions having an ASTM D-86 end point of greater than 450° F., greater than 500° F., or greater than 550° F., and containing hindered sulfur compounds, are disclosed.
摘要翻译：用于高端点石脑油脱硫的方法，例如具有ASTM D-86终点大于450°F，大于500°F或大于550°F的石脑油馏分，并含有受阻硫化合物，被披露。

2. 发明申请

US20120048776A1 HYDRODESULFURIZATION PROCESS WITH SELECTED LIQUID RECYCLE TO REDUCE FORMATION OF RECOMBINANT MERCAPTANS 有权
标题翻译：具有选择性液体回收的减水过程减少重组MERCAPTANS的形成
公开(公告)号：US20120048776A1
公开(公告)日：2012-03-01
申请号：US12862845
申请日：2010-08-25
申请人： Gary G. Podrebarac , Mahesh Subramanyam
发明人： Gary G. Podrebarac , Mahesh Subramanyam
IPC分类号： C10G35/06
CPC分类号： C10G45/08 , C10G2300/1044 , C10G2300/202 , C10G2300/207 , C10G2300/301 , C10G2300/4081 , C10G2300/4087 , C10G2400/02
摘要： Processes for the desulfurization of a cracked naphtha by the reaction of hydrogen with the organic sulfur compounds present in the feed are disclosed. In particular, processes disclosed herein may use one or more catalytic distillation steps followed by further hydrodesulfurization of the naphtha in a fixed bed reactor. It has been found that the formation of recombinant mercaptans in the fixed bed reactor effluent may be reduced or eliminated by reducing the concentration of hydrogen sulfide and/or olefins at the exit of the fixed bed reactor. The reduction or elimination in the formation of recombinant mercaptans may be accomplished by recycling a select portion of the fixed bed reactor effluent to the fixed bed reactor, where the select portion has a relatively low or nil concentration of olefins. Processes disclosed herein may thus facilitate the production of hydrodesulfurized cracked naphthas having a total sulfur content of less than 10 ppm, by weight.
摘要翻译：公开了通过氢与原料中存在的有机硫化合物的反应使裂化石脑油脱硫的方法。特别地，本文公开的方法可以使用一个或多个催化蒸馏步骤，然后在固定床反应器中进一步加氢脱硫石脑油。已经发现，通过在固定床反应器的出口处降低硫化氢和/或烯烃的浓度，可以减少或消除固定床反应器流出物中重组硫醇的形成。重组硫醇的形成中的还原或消除可以通过将固定床反应器流出物的选择部分再循环到固定床反应器来完成，其中选择部分具有相对低或不含烯烃浓度。因此，本文公开的方法因此可以促进总硫含量小于10ppm（重量）的加氢脱硫裂化石脑油的生产。

3. 发明授权

US08628656B2 Hydrodesulfurization process with selected liquid recycle to reduce formation of recombinant mercaptans 有权
标题翻译：加氢脱硫工艺与选定的液体循环以减少重组硫醇的形成
公开(公告)号：US08628656B2
公开(公告)日：2014-01-14
申请号：US12862845
申请日：2010-08-25
申请人： Gary G. Podrebarac , Mahesh Subramanyam
发明人： Gary G. Podrebarac , Mahesh Subramanyam
IPC分类号： C10G45/00
CPC分类号： C10G45/08 , C10G2300/1044 , C10G2300/202 , C10G2300/207 , C10G2300/301 , C10G2300/4081 , C10G2300/4087 , C10G2400/02
摘要： Processes for the desulfurization of a cracked naphtha by the reaction of hydrogen with the organic sulfur compounds present in the feed are disclosed. In particular, processes disclosed herein may use one or more catalytic distillation steps followed by further hydrodesulfurization of the naphtha in a fixed bed reactor. It has been found that the formation of recombinant mercaptans in the fixed bed reactor effluent may be reduced or eliminated by reducing the concentration of hydrogen sulfide and/or olefins at the exit of the fixed bed reactor. The reduction or elimination in the formation of recombinant mercaptans may be accomplished by recycling a select portion of the fixed bed reactor effluent to the fixed bed reactor, where the select portion has a relatively low or nil concentration of olefins. Processes disclosed herein may thus facilitate the production of hydrodesulfurized cracked naphthas having a total sulfur content of less than 10 ppm, by weight.
摘要翻译：公开了通过氢与原料中存在的有机硫化合物的反应使裂化石脑油脱硫的方法。特别地，本文公开的方法可以使用一个或多个催化蒸馏步骤，然后在固定床反应器中进一步加氢脱硫石脑油。已经发现，通过在固定床反应器的出口处降低硫化氢和/或烯烃的浓度，可以减少或消除固定床反应器流出物中重组硫醇的形成。重组硫醇的形成中的还原或消除可以通过将固定床反应器流出物的选择部分再循环到固定床反应器来完成，其中选择部分具有相对低或不含烯烃浓度。因此，本文公开的方法因此可以促进总硫含量小于10ppm（重量）的加氢脱硫裂化石脑油的生产。

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