Thermochemical valorization of paper deinking residue through microwave-assisted pyrolysis

Research output: Chapter in Book/Report/Conference proceedingChapter



Publication details

Title of host publicationWaste Biorefinery
DatePublished - 1 Jan 2018
Number of pages22
Original languageEnglish
ISBN (Electronic)9780444639929
ISBN (Print)9780444639936


Paper deinking residue (DIR) is a composite waste material generated from paper deinking processes. It is currently underutilized, and its valorization represents both an environmental and economic burden for relative industries. Effective valorization of this low-value waste stream is crucial for paper recycling industries to improve their competitiveness and profitability. Pyrolysis is a promising thermochemical technology to convert biomass/wastes into value-added products. The integration of microwave irradiation as an alternative heating source allows pyrolysis processes to be carried out in a much more efficient and convenient manner. In this chapter, the thermochemical valorization of DIR through pyrolysis and potential applications of its pyrolysis products are demonstrated. Furthermore, the application of microwave-assisted pyrolysis at relatively low temperatures (< 200≥C) to exploit potential value of DIR is highlighted in a case study, which provides an example of how green and sustainable technologies could contribute to recover value from wastes and generate wealth.

    Research areas

  • Bio-oil, Microwave heating, Microwave residue, Paper deinking residue, Pyrolysis, Valorization

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