Practical studies of the commercial flow-reversed SO2 converter
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Reverse flow reactors as sustainable devices for performing exothermic reactions: Applications and engineering aspects
2019, Chemical Engineering and Processing - Process IntensificationCitation Excerpt :Different reactor configurations were proposed [5]: adiabatic operation, with intermediate heat exchangers to extract the excess heat (concentrations higher than 2–3% SO2), or the use of intermediate unidirectional beds. A combined control system of cycling and cooling was studied in an industrial-scale reverse flow reactor with two intermediate heat exchangers [69–71]. Most recently, solutions to deal with carbon monoxide/sulphur dioxide mixtures have been proposed [72].
Resonance response in the catalytic combustion of methane and propane binary mixture in reverse-flow reactor
2018, Chemical Engineering JournalCitation Excerpt :In the last decades, reverse-flow reactors (RFRs) have drawn much research attention. Such type of reactor has proven to be an effective solution for waste-gas decontamination, such as SO2 oxidation [1–3], purification of a diluted volatile-organic-compounds gas stream [4–5], coal mine ventilation air methane oxidation [6–7] and the selective reduction of NOx [8–10]. An RFR is a catalytic fixed-bed reactor which operates under forced unsteady state conditions resulting from periodic flow reversals.
Reverse-flow reactor concept for combined SO<inf>2</inf> and co-oxidation in smelter off-gases
2014, Chemical Engineering JournalCitation Excerpt :Additional problem here is possible variation of CO concentration in the waste gases in time in a rather wide range (e.g., 0.4–2.0%), resulting in a significant variation of reaction heat emission in time, in turn, extremely complicating the establishment of the stable cyclic non-stationary regime and, thus, dramatically worsening the overall reverse-flow process stability. As reported in [4] CO may also lead to vanadia catalyst deactivation. While the increased SO2 content rise may be efficiently compensated by application of the multi-stage reverse-flow reactors (RFRs) with intermediate heat removal [1,2] and by some other process approaches [5,6], CO presence is quite a new problem, not resolved (and even not considered in the reverse-flow operation context) earlier.
Performance of reverse flow monolithic reactor for water-gas shift reaction
2009, Catalysis TodayTheoretical Investigation on Syngas Production by Catalytic Partial Oxidation of Methane in a Reverse-Flow Microchannel Monolithic Reactor
2023, Industrial and Engineering Chemistry ResearchChemical reactor design: Mathematical modeling and applications
2019, Chemical Reactor Design: Mathematical Modeling and Applications