Progress of the pyrolyzer reactors and advanced technologies for biomass pyrolysis processing

Mohsin Raza, Abrar Inayat, Ashfaq Ahmed, Farrukh Jamil, Chaouki Ghenai, Salman R. Naqvi, Abdallah Shanableh, Muhammad Ayoub, Ammara Waris, Young Kwon Park

Research output: Contribution to journalReview articlepeer-review

54 Scopus citations


In the future, renewable energy technologies will have a significant role in catering to energy security concerns and a safe environment. Among the various renewable energy sources available, biomass has high accessibility and is considered a carbon-neutral source. Pyrolysis technology is a thermo-chemical route for converting biomass to many useful products (biochar, bio-oil, and combustible pyrolysis gases). The composition and relative product yield depend on the pyrolysis technology adopted. The present review paper evaluates various types of biomass pyrolysis. Fast pyrolysis, slow pyrolysis, and advanced pyrolysis techniques concerning different pyrolyzer reactors have been reviewed from the literature and are presented to broaden the scope of its selection and application for future studies and research. Slow pyrolysis can deliver superior ecological welfare because it provides additional bio-char yield using auger and rotary kiln reactors. Fast pyrolysis can produce bio-oil, primarily via bubbling and circulating fluidized bed reactors. Advanced pyrolysis processes have good potential to provide high prosperity for specific applications. The success of pyrolysis depends strongly on the selection of a specific reactor as a pyrolyzer based on the desired product and feedstock specifications.

Original languageEnglish
Article number11061
JournalSustainability (Switzerland)
Issue number19
StatePublished - 1 Oct 2021


  • Advanced pyrolysis
  • Fast pyrolysis
  • Pyrolysis
  • Pyrolyzers
  • Slow pyrolysis


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