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Initial Hydrotreating of Naphthenes with Subsequent High Temperature Reforming

A naphthene and reforming reactor technology, which is applied in the fields of hydrotreating process, hydrocarbon oil treatment products, hydrocarbon oil treatment, etc., and can solve the problems of cost increase and so on

Inactive Publication Date: 2016-01-20
UOP LLC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are limitations to the methods and catalysts proposed in these patents, and they may require significant cost increases

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  • Initial Hydrotreating of Naphthenes with Subsequent High Temperature Reforming
  • Initial Hydrotreating of Naphthenes with Subsequent High Temperature Reforming
  • Initial Hydrotreating of Naphthenes with Subsequent High Temperature Reforming

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[0017] Reforming a hydrocarbon feed stream to increase the aromatics content is important to enhancing the value of the hydrocarbon stream. Aromatics such as benzene and toluene are high value chemicals and are used in a variety of processes to generate downstream products. Examples include alkylaromatics, ethylbenzene and cumene for detergents. Reforming processes may involve endothermic reactions and may affect efficiency due to process control of reactor temperature.

[0018] The present invention relates to improving the yield of aromatic compounds from hydrocarbon feed streams. In particular, the improvement pertains to full boiling range naphtha feedstreams where hydrocarbons are reformed to increase C 6 -C 8 range of aromatics yields. The new process design uses multiple reactors controlled at different conditions to minimize metal catalyzed coking and thermal cracking. Due to the problems associated with high inlet temperatures, it is desirable to maximize the cat...

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Abstract

A process for the production of aromatics by reforming of hydrocarbon streams is proposed. The process exploits the poor performance of the components in the hydrocarbon stream to increase energy efficiency. The difference in the reactivity of the different hydrocarbon components in the conversion to aromatics allows for different treatment of the different components to reduce the energy used in the reforming process.

Description

[0001] priority statement [0002] This application claims priority to US Application No. 13 / 327,143, filed December 15, 2011. field of invention [0003] The present invention relates to a method of enhancing the production of aromatic compounds. In particular, the production of aromatics such as benzene, toluene and xylenes from naphtha feedstreams is improved and enhanced by high temperature reforming. Background of the invention [0004] Reforming of petroleum feedstocks is an important method for producing useful products. One important approach is the separation and upgrading of hydrocarbons for use in motor fuels, such as producing naphtha feed streams and boosting the octane number of naphtha in gasoline production. However, hydrocarbon feed streams from crude oil sources include the production of chemical precursors useful in the production of plastics, detergents, and other products. [0005] Gasoline upgrading is an important process and improvements in convert...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G69/08C10G63/02C10G59/06C10G67/02C07C15/08C07C5/27C07C5/393
CPCC07C5/32C10G35/00C10G59/02C10G2400/30C07C15/02
Inventor M·D·莫塞K·M·旺当 布舍D·A·韦格尔M·瑟班
Owner UOP LLC
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