Abstract

A number of strategies for time-resolved analysis of heterogeneous oxidation reactions are being explored. They comprise the temporal analysis of products (TAP) reactor including micro-kinetic evaluation of TAP experiments, steady-state isotopic transient kinetic analysis, and time-resolved catalyst characterization by in-situ spectroscopic techniques. The present review demonstrates the potential of these methods for elucidating mechanistic and kinetic aspects of oxidative functionalization of C 2–C 3 hydrocarbons, water–gas shift reaction, direct N 2O decomposition, and high-temperature ammonia oxidation to nitric oxide (Ostwald process). Particular emphasis will be put on the application of isotopic labels and time-resolved analysis of gas-phase and surface species for identifying true surface intermediate species. Perspectives in further developments of time-resolved methods will be also indicated.

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