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Title: Synthesis, characterisation of nanoporous AlSiO4-5 and AlSiO4-12 catalysts, and its green catalytic application of CO2 decomposition

Authors: M.A. Mary Thangam; Chellapandian Kannan

Addresses: Department of Chemistry, Manonmaniam Sundaranar University, Abishekapatti, Tirunelveli-12, Tamil Nadu, India; Department of Chemistry, Einstein College of Arts and Science, Tirunelveli, Tamil Nadu, India ' Department of Chemistry, Manonmaniam Sundaranar University, Abishekapatti, Tirunelveli-12, Tamil Nadu, India

Abstract: Global warming is a trendy term among researchers due to the increase of global temperature which causes severe environmental changes. By melting ice, causing weather extremes like flooding, water shortage and intense storm damage and disrupting the delicate balance of the oceans with increasing of CO2 level in the atmosphere. In this paper, biodegradable surfactants (SDS and SDBS) are used as a template for the synthesis of solid acid catalysts. The influence of templates in the structural changes is studied by various spectroscopic techniques. The synthesised material is packed in a new U-type catalytic reactor and used for carbon dioxide decomposition reaction. AlSiO4-5 and AlSiO4-12 decomposed the CO2 molecules into carbon monoxide, oxygen and carbon. AlSiO4-12 decomposed nearly 73% of carbon dioxide at 100°C and AlSiO4-5 decomposed 25% of CO2 at 70°C. Complete decomposition also maximum in AlSiO4-12 (31%).

Keywords: solid acid catalyst; nanoporous; template molecule; surfactant; biodegradable; AlSiO4-5; AlSiO4-12; CO2 decomposition; catalytic activity.

DOI: 10.1504/IJNT.2021.116180

International Journal of Nanotechnology, 2021 Vol.18 No.5/6/7/8, pp.649 - 668

Received: 08 May 2021
Accepted: 12 May 2021

Published online: 21 Jun 2021 *

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