Please use this identifier to cite or link to this item: http://hdl.handle.net/10603/448760
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dc.date.accessioned2023-01-18T07:21:06Z-
dc.date.available2023-01-18T07:21:06Z-
dc.identifier.urihttp://hdl.handle.net/10603/448760-
dc.description.abstractThe production of olefins from different alternative sources is a topic of research for the scientific scientist community. During the formation of aromatic compounds on alumina-silica based catalytic surface, these olefins are formed as intermediates. Current research is undergoing to control the production of these intermediate and increase the selectivity of desired olefins namely ethylene, propylene and butylene. In catalyst different properties like alumina content, its place of siting in the framework (which influences the Bronsted and Lewis acid sites) and pore size plays an important role on conversion and selectivity. Four different alumina-silica based catalysts were initially investigated for methanol conversion to olefins. Preliminary studies were concentrated on four catalysts namely ASC, ZSM-5, MCM-22 and Al/MCM-41 for understanding the effect of the various parameters e.g. alumina content and micro/meso porosity of these catalysts. Thermal cracking of methanol was performed between 450-550oC to understand the kinetics of the formation of olefinic compounds. Another important parameter namely the effect of dilution with different kind of solvents including water was performed to understand the impact on the formation of olefins. 100% conversion was obtained in presence of MCM-22, Al/MCM41 and ASC at all temperatures whereas ZSM-5 could only give 95% at 550oC. It was observed that catalysts giving 100% conversion were mostly producing CH4 whereas ZSM-5 was able to provide a good yield of olefins. For further studies, ZSM-5 was used for methanol conversion to olefins. In the case of solvent addition, water presence although found to enhance the stability of catalyst however presence of CO and CO2 was observed which decrease the hydrocarbon formation. The effect of the presence... newline
dc.format.extent204
dc.languageEnglish
dc.relation
dc.rightsuniversity
dc.titleConversion of methanol to hydrocarbons over zeolite catalyst
dc.title.alternative
dc.creator.researcherKEDIA ,ANIL KUMAR OMPRAKASH
dc.subject.keywordPhysical Sciences
dc.subject.keywordPhysics
dc.subject.keywordPhysics Applied
dc.description.note
dc.contributor.guideKumar ,Dinesh
dc.publisher.placeDelhi
dc.publisher.universityGuru Gobind Singh Indraprastha University
dc.publisher.institutionUniversity School of Chemical Technology
dc.date.registered2010
dc.date.completed2021
dc.date.awarded2022
dc.format.dimensions29cm
dc.format.accompanyingmaterialCD
dc.source.universityUniversity
dc.type.degreePh.D.
Appears in Departments:University School of Chemical Technology

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