Insights into deactivation mechanism of Cu–ZnO catalyst in hydrogenolysis of glycerol to 1,2-propanediol

Du, Yan; Wang, Cancan; Jiang, Hong; Chen, Changlin; Chen, Rizhi

doi:10.1016/j.jiec.2016.01.002

Cited by 29 publications

(19 citation statements)

References 33 publications

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“…The economic analysis was performed based on the variation of the net present value (NPV) and the modified internal return rate (MIRR) with the baseline prices of glycerin, hydrogen, and 1,2-propanediol. The catalyst price was estimated fixed at USD 95/kg, yet the refresh rate of the catalyst and its regeneration remain uncertain, and most of the consulted studies are still in early stages [18,33,47,48] for the specific reaction; therefore, the refresh rate of the catalysts was introduced as an input variable to calculate the viability of the project.…”

Section: Economic Analysis Methodology and Considerationsmentioning

confidence: 99%

1,2—Propanediol Production from Glycerol Derived from Biodiesel’s Production: Technical and Economic Study

2021

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For every nine tons of produced biodiesel, there is another ton of glycerol as a byproduct. Therefore, glycerol prices dropped significantly worldwide in recent years; the more significant biodiesel production is, the more glycerol exists as a byproduct. glycerol prices also impact the biodiesel manufacturing business, as it could be sold according to its refinement grade. The primary objective of this work was to evaluate the economic potential of the production of 1,2-propanediol derived from the biodiesel produced in Colombia. A plant to produce 1,2-propanediol via catalytic hydrogenation of glycerol in a trickle-bed reactor was designed. The plant comprised a reaction scheme where non-converted excess hydrogen was recycled, and the heat generated in the reactor was recovered. The reactor effluent was sent to a separation train where 98% m/m purity 1,2-propanediol was attained. Capital and operational costs were estimated from the process simulation. The net present value (NPV) and the modified internal return rate (MIRR) of the plant were used to assess the viability of the process. Their sensitivity to key input variables was evaluated to find the viability limits of the project. The economic potential of the 1,2-propanediol was calculated in USD 1.2/kg; for the base case, the NPV and the MIRR were USD 54.805 million and 22.56%, respectively, showing that, for moderate variations in products and raw material prices, the process is economically viable.

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Section: Economic Analysis Methodology and Considerationsmentioning

confidence: 99%

1,2—Propanediol Production from Glycerol Derived from Biodiesel’s Production: Technical and Economic Study

2021

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“…This is because non-noble metal catalysts tend to be unstable and deactivated over time due to the leaching of metals, poisoning, coking, fouling, and sintering. 21,291 Specifically, catalyst characterizations performed before and after the optimization, including the porosity, reducibility, and stability can provide an indication to tackle the sintering problem on the active non-noble metal surface and enhance the stability of the catalysts. 20,292,293…”

Section: Challenges Of Commercialisation and Future Prospects Of The Catalytic Hydrogenolysis Of Glycerolmentioning

confidence: 99%

Valorisation of glycerol through catalytic hydrogenolysis routes for sustainable production of value-added C₃ chemicals: current and future trends

Minh

Samudrala

Bhattacharya

2022

Sustainable Energy Fuels

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“…La depreciación del valor comercial de la glicerina y la complejidad para desarrollar procesos energéticamente viables que permitan el aprovechamiento de esta sustancia química como recurso renovable hace atractivo el estudio de la transformación de glicerol [1]. Con el fin de aprovechar esta fuente residual se han propuesto alternativas, encontrándose que el uso de catalizadores heterogéneos, metálicos y soportados de Pt, Ru, Pd o Rh, resultan muy convenientes para procesos de conversión de glicerol a otras sustancias de alta aplicabilidad en diferentes áreas industriales [1]. La hidrogenólisis del glicerol a 1,2-propanodiol por procesos catalíticos promete incrementar el valor ofertado de la glicerina como materia prima debido a la alta demanda de este producto en la industria.…”

Section: Introductionunclassified

Síntesis y caracterización de catalizadores tipo Cu soportado en MgO, SiO2, ZnO y Al2O3 aplicados a la hidrogenólisis del glicerol

Vera

Mutiz

Aragón

2018

rev.ion

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Resumen En este estudio se evaluó la transformación de glicerol a 1,2-propanodiol empleando catalizadores de Cu/ MgO, Cu/SiO 2 , Cu/ZnO y Cu/Al 2 O 3 con contenidos de 10 y 20% de Cu. La obtención de los catalizadores de cobre se realizó por el método de impregnación de humedad incipiente, empleando como precursor una solución 1M de nitrato de cobre (II) trihidratado. La caracterización de los catalizadores se llevó a cabo por las técnicas de espectroscopia de infrarrojo resolviendo las señales características a 1633cm-1 y 1383cm-1 indicando la presencia de nitratos, mientras que por difracción de rayos X se logra evidenciar los picos característicos correspondiente a los planos de la tenorita (1 1-1) y (1 1 1) en los ángulos 2θ de 35,6° y 3,7° respectivamente, indicando que la tenorita CuO a está presente en todos los sistemas sólidos y es la fase activa para la transformación del glicerol. Por otra parte, la microscopia electrónica de transmisión permitió confirmar la presencia de partículas con tamaños que varían entre los 100 y 800 nanómetros dependiendo del soporte. En este estudio se demuestra que la transformación de glicerol 84% y la selectividad hacia el 1,2-propanodiol 52%, se favorece cuando se emplea el catalizador a base de Cu20%/MgO activado a 573K a las condiciones de reacción de 473K y 20bar, mientras que cuando se activa este mismo catalizador a 623K a las mismas condiciones de reacción, se incrementa la selectividad hasta 63% con una disminución en la conversión a 65% que en comparación con los demás sistemas catalíticos se demuestra que este Cu20%/MgO es el mejor catalizador de este estudio.

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Insights into deactivation mechanism of Cu–ZnO catalyst in hydrogenolysis of glycerol to 1,2-propanediol

Cited by 29 publications

References 33 publications

1,2—Propanediol Production from Glycerol Derived from Biodiesel’s Production: Technical and Economic Study

1,2—Propanediol Production from Glycerol Derived from Biodiesel’s Production: Technical and Economic Study

Valorisation of glycerol through catalytic hydrogenolysis routes for sustainable production of value-added C₃ chemicals: current and future trends

Síntesis y caracterización de catalizadores tipo Cu soportado en MgO, SiO2, ZnO y Al2O3 aplicados a la hidrogenólisis del glicerol

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Insights into deactivation mechanism of Cu–ZnO catalyst in hydrogenolysis of glycerol to 1,2-propanediol

Cited by 29 publications

References 33 publications

1,2—Propanediol Production from Glycerol Derived from Biodiesel’s Production: Technical and Economic Study

1,2—Propanediol Production from Glycerol Derived from Biodiesel’s Production: Technical and Economic Study

Valorisation of glycerol through catalytic hydrogenolysis routes for sustainable production of value-added C3 chemicals: current and future trends

Síntesis y caracterización de catalizadores tipo Cu soportado en MgO, SiO2, ZnO y Al2O3 aplicados a la hidrogenólisis del glicerol

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Valorisation of glycerol through catalytic hydrogenolysis routes for sustainable production of value-added C₃ chemicals: current and future trends