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Respuesta al comentario sobre "La oxidación selectiva anaeróbica del metano permite la síntesis directa del metanol"
Vitaly L Sushkevich1, Dennis Palagin2, Marco Ranocchiari2
1Laboratory for Catalysis and Sustainable Chemistry, Paul Scherrer Institut, 5232 Villigen, Switzerland. vitaly.sushkevich@psi.ch jeroen.vanbokhoven@chem.ethz.ch.
Science (New York, N.Y.)
|February 17, 2018
Resumen
La conversión gradual de metano en metanol e hidrógeno se enfrenta a obstáculos comerciales debido a las limitaciones del sitio activo y a los cambios de temperatura significativos. El método propuesto carece de una base numérica sólida para la viabilidad.
Área de la Ciencia:
- Ingeniería Química
- Catálisis
- La termodinámica
Sus antecedentes:
- La conversión de metano en productos químicos valiosos como el metanol y el hidrógeno es un área clave en la catálisis.
- Estudios anteriores han explorado la viabilidad termodinámica y los requisitos de ciclo térmico.
Objetivo del estudio:
- Evaluar críticamente la viabilidad comercial de una reacción paso a paso de metano y agua para la producción de metanol e hidrógeno.
- Evaluar la base numérica y los argumentos termodinámicos presentados en investigaciones anteriores.
Principales métodos:
- Análisis termodinámico de la vía de reacción propuesta.
- Evaluación de la estequiometría del sitio activo y de los requisitos de oscilación de temperatura.
- Revisión de los datos numéricos existentes y evaluaciones de viabilidad.
Principales resultados:
- La reacción gradual se considera comercialmente inviable debido a la utilización del sitio activo subtoiquiométrico.
- Se requiere un importante cambio de temperatura, lo que plantea desafíos prácticos.
- Los argumentos presentados carecen de una base numérica sólida para su validación.
Conclusiones:
- Es poco probable que el proceso de conversión de metano propuesto sea comercialmente viable.
- La investigación adicional requiere una base numérica más sólida para apoyar las afirmaciones de viabilidad.
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