Monolith Reactors for Intensified Processing in Green Chemistry

Wood, Joseph

doi:10.1002/9781118498521.ch6

Cited by 6 publications

References 64 publications

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Enabling Process Intensification by 3 D Printing of Catalytic Structures

Konarova

Aslam

et al. 2017

ChemCatChem

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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 Å; dpore, 100 μm) containing up to 25 wt % catalyst loading. 2 D (TEM, SEM) and 3D (X‐ray computed tomography) microstructural analyses and catalytic tests (conversion of syngas to alcohols) were performed for 3 D 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 3 D printed catalysts converted 35 mol % of CO, with the same catalyst loading.

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Enabling Process Intensification by 3 D Printing of Catalytic Structures

Konarova

Aslam

et al. 2017

ChemCatChem

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Structured Raney Nickel Catalysts for Liquid‐Phase Hydrogenation

2016

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Structured catalysts consisting of metal sheets on which Raney Ni was deposited by the thermal spraying method were tested for the liquid-phase hydrogenation of glucose to sorbitol and 2-nitrotoluene to 2-methylaniline, used as model reactions. Catalytic tests performed in a bench-scale (1 L) reactor have shown that catalytic activity of Raney Ni sheets is significantly higher than the one of the pellets used for fixed-bed applications but lower than the activity of the powder catalyst used in slurry mode. The activity could be significantly improved when applying a two-phase co-current flow through a monolith. In this case the activity was superior to the one obtained with the slurry catalyst. These results confirm the potential of Raney Ni monoliths as structured catalysts.

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Role of Process Intensification in Enzymatic Transformation of Biomass into High-Value Chemicals

Shivaprasad

2022

Biotechnological Innovations for Environmental Bioremediation

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Monolith Reactors for Intensified Processing in Green Chemistry

Cited by 6 publications

References 64 publications

Enabling Process Intensification by 3 D Printing of Catalytic Structures

Enabling Process Intensification by 3 D Printing of Catalytic Structures

Structured Raney Nickel Catalysts for Liquid‐Phase Hydrogenation

Role of Process Intensification in Enzymatic Transformation of Biomass into High-Value Chemicals

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