Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/120084
Title: DEVELOPMENT OF NI-BASED CATALYTIC, CERIA NANO-STRUCTURES AND CATALYTIC MEMBRANE REACTOR OF HIGH TEMPERATURE WATER GAS SHIFT REACTION
Authors: SAW ENG TOON
Keywords: High temperature water gas shift reaction, Nickel-copper alloy, Ceria nanostructure, Pd-membrane, Catalytic membrane reactor
Issue Date: 7-Jul-2014
Citation: SAW ENG TOON (2014-07-07). DEVELOPMENT OF NI-BASED CATALYTIC, CERIA NANO-STRUCTURES AND CATALYTIC MEMBRANE REACTOR OF HIGH TEMPERATURE WATER GAS SHIFT REACTION. ScholarBank@NUS Repository.
Abstract: Hydrogen is envisioned as a renewable and clean energy in near future. The water gas shift (WGS) reaction is one of the important downstream processes to remove carbon monoxide and upgrade hydrogen production. The thermodynamic favorable and kinetically limited of WGS reaction at low reaction temperature (<300?C) have resulted in two stages of WGS reaction being applied in industry. To nominate a new system, one stage of high temperature WGS catalytic membrane reactor (HT-WGS-CMR) should be prepared. To accomplish this goal, two challenges are urgently demanded to be overcome. Firstly, synthesize an active, stable and selective catalyst for HT-WGS reaction (300-500?C). Secondly, build up a selective hydrogen permeation membrane and finally a catalytic membrane reactor. In this thesis, the synthesis and characterization of Ni-based supported on ceria nanostructured catalysts such as controllable ceria nano-sizes, nano-shapes and core-shell structures for HT-WGS reaction. Lastly, an integrated catalytic membrane reactor is also developed.
URI: http://scholarbank.nus.edu.sg/handle/10635/120084
Appears in Collections:Ph.D Theses (Open)

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