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"
New Catalysts for Syngas Production from Carbon Dioxide and Methane
"
Document Type
:
Latin Dissertation
Language of Document
:
English
Record Number
:
151332
Doc. No
:
ET23124
Main Entry
:
Mahesh V. Iyer
Title Proper
:
New Catalysts for Syngas Production from Carbon Dioxide and Methane
Note
:
This document is digital این مدرک بصورت الکترونیکی می باشد
Abstract
:
The performance of cobalt tungsten carbide material was investigated for CH4/CO2reforming. The catalyst was found to convert to a very stable, very active, form whenheated in CH4/CO2 at 850 oC and 5 atm.. Even after 90 hours on stream, CH4 and CO2rates of 1.3 and 1.25 mmol/min/g respectively are obtained, with CO yields of 76 andH2/CO ratio close to unity. XRD patterns suggest a phase transformation to WC+Co+C.SEM images suggest formation of encapsulated carbon and whisker carbon.The kinetics of CH4/CO2 reforming was studied under differential conditions over500-600oC. The observed rates seem to follow a Langmuir-Hinshelwood type of reactionmechanism. A scheme consisting of four reactions was considered: methane reforming,reverse water gas shift, carbon deposition and reverse boudouard. Carbon deposition andcarbon removal are generally disregarded in most of the reported kinetic-models. Theparameters of the model were successfully estimated. The comparison plots of theobserved data and the predicted model show a good fit.....-....,....-...,..tested for theQ1 PC1 bus cardBoth these projects mere sofixare des elopment efforts tonards contributing to dlfferentaspects of Roboucs and lZ1echatronics projects m the Controls and Roboucs Group..
Subject
:
Electericl tess
:
برق
electronic file name
:
TL46360.pdf
Title and statement of responsibility and
:
New Catalysts for Syngas Production from Carbon Dioxide and Methane [Thesis]
http://localhost/site/catalogue/151332
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TL46360.pdf
TL46360.pdf
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