Novel multidimensional carbons from structural transformations of waste lignin: A low temperature pyrolysis investigation

Rita Khanna, Muhammad Ikram-Ul-Haq, Ravindra Rajarao, Romina Cayumil, Aditya Rawal, Veena Sahajwalla, Partha Sarathi Mukherjee

Resultado de la investigación: Contribución a una revistaArtículo

10 Citas (Scopus)

Resumen

Low temperature pyrolysis investigations were carried out on waste lignin, a coproduct of bioethanol production from sugarcane bagasse, in the temperature range 200–800 °C for 15 to 60 min under argon atmosphere. In-depth characterization of resulting chars was carried out using a range of analytical techniques including XRD, HRSEM, EDS, NMR, FTIR, Raman and BET analysis. In addition to good agreement with the published literature, we report the formation of range of multidimensional carbons from waste lignin in the form of nanofibers, micro-ribbons, complex 3D structures and their blends. XRD data showed the evolution of crystalline as well as amorphous structures as a function of temperature. Reaction pathways for structure evolution and associated phase transformations were also identified. The preparation of these novel carbon structural forms from an abundant, waste bioresource could help realize the untapped potential of waste lignin, the exploration of their properties and future applications.

Idioma originalInglés
Páginas (desde-hasta)312-321
Número de páginas10
PublicaciónFuel Processing Technology
Volumen166
DOI
EstadoPublicada - 1 ene 2017

Áreas temáticas de ASJC Scopus

  • Ingeniería química (todo)
  • Tecnología del combustible
  • Ingeniería energética y tecnologías de la energía

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