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Hydrogen Production Enhancement Usin...
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ProQuest Information and Learning Co.
Hydrogen Production Enhancement Using a Stratified Catalyst Bed in Reforming Systems.
Record Type:
Language materials, manuscript : Monograph/item
Title/Author:
Hydrogen Production Enhancement Using a Stratified Catalyst Bed in Reforming Systems./
Author:
Richards, Nadia Olivia.
Description:
1 online resource (174 pages)
Notes:
Source: Dissertation Abstracts International, Volume: 78-03(E), Section: B.
Contained By:
Dissertation Abstracts International78-03B(E).
Subject:
Mechanical engineering. -
Online resource:
click for full text (PQDT)
ISBN:
9781369203172
Hydrogen Production Enhancement Using a Stratified Catalyst Bed in Reforming Systems.
Richards, Nadia Olivia.
Hydrogen Production Enhancement Using a Stratified Catalyst Bed in Reforming Systems.
- 1 online resource (174 pages)
Source: Dissertation Abstracts International, Volume: 78-03(E), Section: B.
Thesis (Ph.D.)
Includes bibliographical references
An investigation was conducted for a stratified catalyst arrangement for methanol reforming. The motivation for the stratified system is to strategically place different catalysts within the reactor so that the reaction will progress according to the catalyst selectivity. This will allow the reduction of the unwanted intermediates and serves to improve the overall hydrogen product concentration.
Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2018
Mode of access: World Wide Web
ISBN: 9781369203172Subjects--Topical Terms:
557493
Mechanical engineering.
Index Terms--Genre/Form:
554714
Electronic books.
Hydrogen Production Enhancement Using a Stratified Catalyst Bed in Reforming Systems.
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Hydrogen Production Enhancement Using a Stratified Catalyst Bed in Reforming Systems.
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Source: Dissertation Abstracts International, Volume: 78-03(E), Section: B.
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Adviser: Paul A. Erickson.
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Thesis (Ph.D.)
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University of California, Davis
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2016.
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Includes bibliographical references
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An investigation was conducted for a stratified catalyst arrangement for methanol reforming. The motivation for the stratified system is to strategically place different catalysts within the reactor so that the reaction will progress according to the catalyst selectivity. This will allow the reduction of the unwanted intermediates and serves to improve the overall hydrogen product concentration.
520
$a
The stratified arrangement consisted of a platinum group metal (PGM) catalyst, along with a commercially available Cu/ZnO/Al2O 3 water gas shift (WGS) catalyst. The system was experimentally investigated under different test conditions by varying the flow rate, oxygen-to-methanol ratio, and the packed length of the downstream WGS section. From these experiments the effects of each variable were quantified for their influence on the conversion and hydrogen yield.
520
$a
The oxidation reactions were carried out on the PGM catalyst, causing internal heating of the downstream WGS packed bed. The supplied heat keeps the WGS catalyst active to reform and shift the final products into a hydrogen-rich composition. Conversion increases of 30% were possible within one added section of WGS catalyst, with two sections achieving full conversion. This behavior can be modeled as a first order response from which a characteristic WGS length can be determined and used as a descriptive parameter to compare stratified systems.
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Overall, this study is expected to provide a basic analysis, and contribute to the improvement of reformer design for better fuel processing system performance.
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2018
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Mode of access: World Wide Web
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click for full text (PQDT)
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