Special Issue "Catalysis in Steam Reforming"
A special issue of Catalysts (ISSN 2073-4344).
Deadline for manuscript submissions: closed (31 October 2018)
Dr. Valerie Dupont
Energy Research Institute, School of Chemical and Process Engineering, The University of Leeds, Leeds, LS2 9JT, UK
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Interests: gas solid catalysis; energy analysis; process and reactor simulation; chemical looping technology; high purity H2 and CH4; advanced reforming; high temperature CO2 sorption; industrial CCS
Steam reforming is the most mature and economical technology used in the production of hydrogen and uses hydrocarbons reaction with steam to generate a H2 rich stream. It has been successfully deployed in industry using natural gas or naphtha as the feedstocks for many years. For its main reaction of methane with steam, producing CO and H2 as the main products, but also CO2 from water gas shift side reaction, the process relies on packed bed catalytic reactor technology, operated at medium high pressures (30-40 bar) and temperatures in the 850-1000 °C range. The reaction is strongly equilibrium driven, and pressures above atmospheric, whilst allowing reasonably sized plants delivering large throughputs, are adverse to the conversion of the hydrocarbon fuel. Steam to carbon ratios in the reformer are also carefully chosen to avoid coking in the reactor, which would poison the catalyst. Excess of steam and endothermicity of the steam reforming reaction make this process very energy intensive. Motivated by the need to reduce carbon emissions associated with H2 production, advanced steam reforming processes have now reached various stages of technology readiness level.
This special issue of Catalysts focusses on advances in steam reforming processes with equilibrium shift enhancing features brought about by in-situ product separation. The in-situ separation process effected by the presence of a sorbent or membrane or other, and require close coupling of catalyst and separation materials, and have resulted in novel materials and reactor designs a the steam reforming and at the water gas shift stage as well as widening the range of feedstocks suitable for steam reforming including renewable fuels with coking tendencies.
Dr. Valerie Dupont
Manuscript Submission Information
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- H2 production
- steam reforming
- water gas shift
- sorption enhancement
- membrane enhancement
- equilibrium shift
- hybrid catalysts
- reactive membranes
- in situ separation
- unconventional gas
- process intensification