Surface-Enhanced Separation of Water from Hydrocarbons: Potential Dewatering Membranes for the Catalytic Fast Pyrolysis of Pine Biomass

Chaiwat Engtrakul; Michael Z. Hu; Brian L. Bischoff; Gyoung G. Jang

doi:10.1021/acs.energyfuels.6b01851

Surface-Enhanced Separation of Water from Hydrocarbons: Potential Dewatering Membranes for the Catalytic Fast Pyrolysis of Pine Biomass

Chaiwat Engtrakul, Michael Z. Hu, Brian L. Bischoff, Gyoung G. Jang

Chemical Process Scale Up

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6 Scopus citations

Abstract

The impact of surface-selective coatings on water permeation through a membrane when exposed to catalytic fast pyrolysis (CFP) vapor products was studied by tailoring the surface properties of the membrane coating from superhydrophilic to superhydrophobic. Our approach used high-performance architectured surface-selective (HiPAS) membranes that were inserted after a CFP reactor. At this insertion point, the inner wall surface of a tubular membrane was exposed to a mixture of water and upgraded product vapors, including light gases and deoxygenated hydrocarbons. Under proper membrane operating conditions, a high selectivity for water over one-ring upgraded biomass pyrolysis hydrocarbons was observed as a result of a surface-enhanced capillary condensation process. Owing to this surface-enhanced effect, HiPAS membranes have the potential to enable high flux separations, suggesting that water can be selectively removed from the CFP product vapors.

Original language	English
Pages (from-to)	8343-8348
Number of pages	6
Journal	Energy and Fuels
Volume	30
Issue number	10
DOIs	https://doi.org/10.1021/acs.energyfuels.6b01851
State	Published - Oct 20 2016

Funding

This work was supported by funding from the Bioenergy Technology Office (BETO) of the U.S. Department of Energy (DOE) under Contract DE-AC05-00OR22725 with Oak Ridge National Laboratory and Contract DE-AC36-08-GO28308 with the National Renewable Energy Laboratory.

Funders	Funder number
U.S. Department of Energy	DE-AC05-00OR22725, DE-AC36-08-GO28308
National Renewable Energy Laboratory
Bioenergy Technologies Office

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1021/acs.energyfuels.6b01851

Cite this

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abstract = "The impact of surface-selective coatings on water permeation through a membrane when exposed to catalytic fast pyrolysis (CFP) vapor products was studied by tailoring the surface properties of the membrane coating from superhydrophilic to superhydrophobic. Our approach used high-performance architectured surface-selective (HiPAS) membranes that were inserted after a CFP reactor. At this insertion point, the inner wall surface of a tubular membrane was exposed to a mixture of water and upgraded product vapors, including light gases and deoxygenated hydrocarbons. Under proper membrane operating conditions, a high selectivity for water over one-ring upgraded biomass pyrolysis hydrocarbons was observed as a result of a surface-enhanced capillary condensation process. Owing to this surface-enhanced effect, HiPAS membranes have the potential to enable high flux separations, suggesting that water can be selectively removed from the CFP product vapors.",

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Surface-Enhanced Separation of Water from Hydrocarbons: Potential Dewatering Membranes for the Catalytic Fast Pyrolysis of Pine Biomass

Abstract

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UN SDGs

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