Enabling process intensification by 3D printing of catalytic structures

Konarova, Muxina and Aslam, Waqas and Ge, Lei ORCID: https://orcid.org/0000-0003-2989-0329 and Ma, Qing and Tang, Fengqiu and Rudolph, Victor and Beltramini, Jorge Norberto (2017) Enabling process intensification by 3D printing of catalytic structures. ChemCatChem, 9 (21). pp. 4132-4138. ISSN 1867-3880


Abstract

Small-scale, intensified chemical reactors (i.e., process intensification) mediated by structured catalysts substantially diminishes the advantages of large-scale gas-to-liquid (transport fuels) process plants and can be realized at low capital costs, minimum energy consumption, and zero/small CO2 footprints. Current structured-catalysts approaches are complex and expensive; therefore, simple methods are crucial that are capable of depositing a desired geometry of catalysts into engineered channels. Herein, we developed printable composition by incorporating
nickel and molybdenum ions into water-soluble PVA and starch; the subsequent pyrolysis of organic compounds
resulted into three-dimensional carbon scaffold with
micro/macro interconnected pores (dpore, 6.5 a; dpore, 100 mm) containing up to 25 wt% catalyst loading. 2D (TEM, SEM) and 3D (X-ray computed tomography) microstructural analyses and catalytic tests (conversion of syngas to alcohols) were performed for 3D printed catalysts and compared with conventional pelleted catalysts. At a high feed flow rate (6000 h@1), CO conversion is rapidly reduced to 16 mol% for pelleted catalysts, whereas 3D printed catalysts converted 35 mol% of CO, with the same catalyst loading.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Permanent restricted access to Published version, in accordance with the copyright policy of the publisher.
Faculty/School / Institute/Centre: Current - Institute for Advanced Engineering and Space Sciences - Centre for Future Materials (1 Jan 2017 -)
Faculty/School / Institute/Centre: Current - Institute for Advanced Engineering and Space Sciences - Centre for Future Materials (1 Jan 2017 -)
Date Deposited: 29 Mar 2018 03:13
Last Modified: 09 May 2018 00:27
Uncontrolled Keywords: carbon; microreactors; molybdenum; nickel; structure elucidation
Fields of Research (2008): 03 Chemical Sciences > 0306 Physical Chemistry (incl. Structural) > 030601 Catalysis and Mechanisms of Reactions
09 Engineering > 0904 Chemical Engineering > 090402 Catalytic Process Engineering
Socio-Economic Objectives (2008): B Economic Development > 85 Energy > 8505 Renewable Energy > 850501 Biofuel (Biomass) Energy
Identification Number or DOI: https://doi.org/10.1002/cctc.201700829
URI: http://eprints.usq.edu.au/id/eprint/33912

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