Internal heat generating material coupled hydrocarbon cracking

A technology for exothermic materials and pyrolysis products, which is applied in the field of pyrolysis of hydrocarbon feeds in combination with exothermic materials and hydrocarbon cracking processes, and can solve problems such as energy consumption

Pending Publication Date: 2019-01-04
SAUDI ARABIAN OIL CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, the current steam cracking process operates at 800-1000 °C and c

Method used

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  • Internal heat generating material coupled hydrocarbon cracking
  • Internal heat generating material coupled hydrocarbon cracking
  • Internal heat generating material coupled hydrocarbon cracking

Examples

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Example Embodiment

[0039] Instance

[0040] The following examples are illustrations of embodiments of the present invention, and are not intended to limit the scope of the embodiments of the present disclosure.

[0041] Obtain experimental data to show the effect of hydrocarbon cracking reaction combined with HGM. The catalytic reaction is carried out in a fixed bed flow reactor operating at atmospheric pressure. A catalyst having a mass of 9 to 12 g is loaded into the reactor, and the catalyst is matted in a tray and sieved to a diameter of 425-800 micrometers (μm). The catalyst is a ZSM-5 microporous molecular sieve purchased from Nankai University Catalyst Co. (Nankai University Catalyst Co.). Before the catalytic reaction, the catalyst contains N 2 (120cm 3 min -1 ) Is activated in the airflow to the required reaction temperature and kept overnight. A 3-zone electric heater was used to heat the fixed bed flow reactor to the desired reaction temperature. At the desired reaction temperature (u...

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Abstract

A method of cracking a hydrocarbon feed which includes introducing vaporizing a hydrocarbon feed and a heat generating material (HGM) stream comprising at least one aldehyde or ketone to a cracking reactor. The hydrocarbon feed and the HGM stream are vaporized and may be vaporized prior or subsequent to introduction to the cracking reactor. The addition of the HGM to the endothermic cracking process provides the heat needed for cracking and helps the overall process to achieve thermal neutrality. The method includes cracking the hydrocarbon feed to produce a cracking product, where the cracking product comprises C1-C4 hydrocarbons and C5+ hydrocarbons.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Application Serial No. 62 / 335,187, filed May 12, 2016, which is incorporated herein by reference. technical field [0003] Embodiments of the present disclosure relate generally to processing of hydrocarbons, and in particular to a method of cracking a hydrocarbon feed with an exothermic material in conjunction with a hydrocarbon cracking process. Background technique [0004] Energy consumption is a significant obstacle in the light olefins industry. Hydrocarbon cracking is a highly endothermic process. During hydrocarbon cracking, the temperature of the reactor shell drops as the cracking reaction starts, because the start-up of the endothermic cracking process consumes heat faster than the reactor can add additional heat. Adding additional heat to maintain reactor temperature can add significantly to the cost of the hydrocarbon cracking operation. For example...

Claims

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Application Information

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IPC IPC(8): C10G9/00C10G11/00C10G1/02
CPCC10G1/02C10G9/00C10G9/34C10G11/00C10G11/20C10G11/02C10G11/05C10G11/10C10G11/16C10G11/18C10G2400/20C10G2400/22
Inventor 侯赛因·穆罕默德·阿尔-雅美孙淼奥拉·阿里徐伟
Owner SAUDI ARABIAN OIL CO
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