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Embedded alkane dehydrogenation systems and processes

A technology for alkane dehydrogenation and alkane, which is applied in the system field of alkane dehydrogenation, and can solve the problems of high energy consumption, expensive, complex reactor system and the like

Inactive Publication Date: 2017-05-17
SABIC GLOBAL TECH BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Individual heating of each of the above can be expensive (due to high energy consumption) and may also require complex reactor systems

Method used

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  • Embedded alkane dehydrogenation systems and processes
  • Embedded alkane dehydrogenation systems and processes
  • Embedded alkane dehydrogenation systems and processes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0091] Embodiment 1: A system for dehydrogenating alkanes comprising: a furnace; one or more alkane heating chambers within the furnace for preheating an alkane feed; within the furnace for preheating a regeneration mixture One or more regenerative mixture heating chambers for the feed; a first set of two or more reaction chambers located within the furnace for dehydrogenating alkanes, the first set of reaction chambers being switchably coupled to alkane heating chamber to receive a heated alkane feed therefrom, and switchably coupled to a regeneration mixture heating chamber to receive a heated regeneration mixture feed therefrom; and two or more chambers located within the furnace for dehydrogenating alkane A second set of three reaction chambers, the second set of reaction chambers being switchably coupled to the alkane heating chamber to receive heated alkane feed therefrom and switchably coupled to the regeneration mixture heating chamber and configured to receive heated a...

Embodiment approach 2

[0092] Embodiment 2: The system of Embodiment 1, further comprising: a heated alkane output line coupled to the alkane heating chamber for removing heated alkane from the alkane heating chamber; a first heated alkane feed line coupled to the heated alkane chamber and further coupled to a first set of reaction chambers for feeding heated alkane from the heated alkane output line to the first set of reaction chambers, the first heated alkane feed line comprising a valve; and A second heated alkane feed line coupled to the heated alkane output line and further coupled to the second set of reaction chambers for feeding the heated alkane from the heated alkane output line to the second set of reaction chambers , the second heated alkane feed line includes a valve.

Embodiment approach 3

[0093] Embodiment 3: The system of Embodiment 1 or Embodiment 2, further comprising: a heated regeneration mixture output line coupled to the regeneration mixture heating chamber for removing the heated regeneration mixture from the regeneration mixture heating chamber; the first heated regeneration mixture a mixture feed line coupled to the heated regeneration mixture output line and further coupled to the first set of reaction chambers for feeding the heated regeneration mixture from the heated regeneration mixture output line to the first set of reaction chambers, A first heated regeneration mixture feed line comprising a valve; and a second heated regeneration mixture feed line coupled to a heated regeneration mixture output line and further coupled to a second set of reaction chambers for feeding regeneration from the heating The heated regeneration mixture of the mixture output line feeds the second set of reaction chambers, the second heated regeneration mixture feed lin...

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Abstract

Systems for dehydrogenating an alkane are provided. An exemplary system includes a furnace and further includes alkane heating chambers, regeneration mixture heating chambers, and two groups of reaction chambers, all located within the furnace. The alkane heating chambers and regeneration mixture heating chambers can preheat an alkane feed and a regeneration mixture feed, respectively. The two groups of reaction chambers can be switchably coupled to an alkane feed and a regeneration mixture feed such that an alkane can flow through one group of reaction chambers while a regeneration mixture flows through the other group of reaction chambers. Processes for dehydrogenating an alkane are also provided.

Description

technical field [0001] The presently disclosed subject matter relates to systems and methods for the dehydrogenation of alkanes. Background technique [0002] Dehydrogenation of alkanes can be a valuable process in which saturated hydrocarbons are converted to alkene (olefins) and hydrogen (H 2 ). Examples of alkane dehydrogenation processes may include branching or unbranched C 2 to C 19 Alkanes are converted to the corresponding C 2 to C 19 Olefins, for example, convert ethane to ethylene, propane to propylene, isobutane to isobutene, and ethylbenzene to styrene. The alkane dehydrogenation reaction can be carried out by means of a heterogeneous catalyst (heterogeneous catalyst). [0003] The dehydrogenation of alkanes can be carried out with the aid of metal-based heterogeneous catalysts. The catalyst may contain metal oxides and / or elemental metal surfaces (active surfaces). Catalysts may be based on platinum (Pt) and other Group VIII metals. Other catalysts may ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C5/333C07C5/48C07C11/02
CPCC07C5/3332C07C5/48C07C2523/42C07C2523/26C07C11/02F27B1/005F27B1/08F27B1/10F27D99/0033B01J38/04B01J38/06B01J38/10B01J38/12B01J38/16B01J38/38B01J35/0006B01J23/26B01J23/42B01J23/626B01J23/92B01J23/96F23C2900/05081Y02P20/584B01J8/065C07C5/321B01J8/062B01J2208/06B01J8/067B01J8/087B01J2208/00194B01J2208/065C07C5/3335C07C5/3337
Inventor 泽山·纳瓦兹
Owner SABIC GLOBAL TECH BV