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Article
Economic analysis of vanillin production from Kraft lignin using alkaline oxidation and regeneration
Lignin conversion to vanillin is one of the promising routes for lignin valorization. This study presents an economic analysis for the conceptual design of vanillin production from 10 t/h Kraft lignin. The van...
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Article
Open AccessUnderstanding the effect of co-reactants on ketonization of carboxylic acids in the aqueous-phase pyrolysis oil of wood
Ketonization of carboxylic acids is one of the crucial reactions to produce sustainable bio-fuel and bio-chemicals from the pyrolysis oil of wood. Ketonization using different mixed solutions of carboxylic aci...
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Chapter and Conference Paper
Ductility Demand of a High-Rise RC Flat-Plate Core-Wall Building Structure in a Moderate-Seismicity Region: South Korea
An analytical model, calibrated with the results of shake-table tests on a 1:15 scale 25-storey RC flat-plate core-wall building model, is used to predict the demand of ductility at the critical elements. Unde...
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Article
Catalytic deoxygenation of waste soybean oil over hybrid catalyst for production of bio-jet fuel: in situ supply of hydrogen by aqueous-phase reforming (APR) of glycerol
A one-pot reaction was performed to produce oxygen-free saturated hydrocarbons via the catalytic deoxygenation and hydrogenation of waste soybean oil over a hybrid catalyst (Pd/C and NiO/γ-Al2O3). We utilized in ...
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Article
CFD analysis for the geometry effect of disc-type membrane module on separation performance
A disc-type Pd-Au membrane module was considered, and a computational fluid dynamics (CFD) model was developed to describe the actual flow dynamics and the distribution of H2 flux over the membrane. When the memb...
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Article
Biodiesel Production from High Free Fatty Acid Oils Using a Bifunctional Solid Catalyst
A bifunctional solid catalyst has been utilized for producing biodiesel from high free fatty acid (FFA) oils by simultaneous esterification and transesterification. Simultaneous conversion of FFA and triglycer...
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Article
Computational fluid dynamics modeling and analysis of Pd-based membrane module for CO2 capture from H2/CO2 binary gas mixture
A Pd-based membrane module for the capture of CO2 from a H2/CO2 binary gas mixture was considered, and computational fluid dynamics modeling was used to predict the module performance. Detailed models of momentum...
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Article
Pd-Cu alloy membrane deposited on alumina modified porous nickel support (PNS) for hydrogen separation at high pressure
This study reports on the hydrogen permeation properties of Pd-Cu alloy membranes at high pressures. A 7 μm thick Pd-Cu alloy membrane was prepared on an alumina-modified porous nickel support (PNS) by our dev...
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Article
A catalytic membrane reactor for water-gas shift reaction
We conducted the WGS reaction on a catalytic membrane reactor consisting of a WGS catalyst bed, Pt/CeO2 and thin, defect-free, Pd-Cu alloy membranes. The presence of CO and other gases with H2 reduced the H2 perm...
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Article
Simultaneous removal of cyanide and copper ions in a semi-fluidized ion exchanger bed
Simultaneous removal of cyanide and copper ions from electroplating wastewater was studied in a liquid-solid semi-fluidized ion exchanger bed. The diameter and the height of column are 20 mm and 600 mm, respec...
