The Activity and Stability of Promoted Cu/ZnO/Al2O3 Catalyst for CO2 Hydrogenation to Methanol-Reference-Cited by-同舟云学术

The Activity and Stability of Promoted Cu/ZnO/Al2O3 Catalyst for CO2 Hydrogenation to Methanol

Published:2023-02-28 Issue:3 Volume:11 Page:719
ISSN:2227-9717
Container-title:Processes
language:en
Short-container-title:Processes

Author:

Berahim Nor Hafizah¹²,Zabidi Noor Asmawati Mohd²^ORCID,Ramli Raihan Mahirah³^ORCID,Suhaimi Nur Amirah²

Affiliation:

1. Group Research & Technology, Carbon Capture, Utilization & Storage Department, PETRONAS Research Sdn. Bhd., Kajang 43000, Selangor, Malaysia

2. Center of Contaminant Control and Utilization (CenCoU), Institute of Contaminant Management for Oil and Gas, Department of Fundamental and Applied Sciences, Universiti Teknologi PETRONAS, Seri Iskandar 32610, Perak, Malaysia

3. Centre of Innovative Nanostructures & Nanodevices (COINN), Department of Chemical Engineering, Universiti Teknologi PETRONAS, Seri Iskandar 32610, Perak, Malaysia

Abstract

Cu/ZnO/Al2O3 catalyst with the addition of tri-promoters (Mn/Nb/Zr) was investigated with respect to their catalytic activity and stability in a prolonged reaction duration in methanol synthesis. Spent catalysts were characterized using N2 adsorption-desorption, FESEM/EDX, TEM, N2O chemisorption, and XPS for their physicochemical properties. The catalyst longevity study was evaluated at two days, seven days, and 14 days at 300 °C, 31.25 bar, 2160 mL/g.hr GHSV, and H2:CO2 at 10:1. The CO2 conversion and methanol yield decreased by about 5.7% and 7.7%, respectively, when the reaction duration was prolonged to 14 days. A slight reduction in catalytic activity under prolonged reaction duration was found due to thermal degradation.

Funder

PETRONAS Research Sdn. Bhd. and Universiti Teknologi PETRONAS

Publisher

MDPI AG

Subject

Process Chemistry and Technology,Chemical Engineering (miscellaneous),Bioengineering

Link

https://www.mdpi.com/2227-9717/11/3/719/pdf

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