Mini-channel Two Phase Flow of Hydrogen Peroxide: Decomposition with Silver Catalyst

AUTOR(ES)

KalaThirumalaikumaran, Suresh, Suwathy, Ranganathan, Venkatesan, Muniyandi

FONTE

J. Aerosp. Technol. Manag.

DATA DE PUBLICAÇÃO

14/06/2018

RESUMO

ABSTRACT Hydrogen peroxide is a chemical compound which is commonly used as a disinfectant at lower concentrations. The chemical is called as a green propellant for space applications. Water and oxygen are the products after self-decomposition of the compound at higher concentrations. The reaction rate at lower concentrations can be enhanced by using catalysts for faster reaction rates. In the present study, an experimental analysis of the reaction rate of hydrogen peroxide (6% by volume) with silver catalyst for varying flow rates is detailed. Reaction takes place in a long cylindrical borosilicate glass tube of diameter 2.50 mm. Separation of product mixture takes place in an enlarged tube of diameter 5.50 mm. Various two phase flow patterns formed after decomposition reactions are identified by images captured using high speed camera. Length of oxygen slug formed after catalytic reaction is measured by employing Image processing techniques.

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