Chemical routes for recycling—dissolving, catalytic, and thermochemical technologies

Maija Pohjakallio, Tommi Vuorinen, Anja Oasmaa

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleScientific

Abstract

With increased production of plastics comes increased plastic material wastage, and thus new technologies are needed for waste refining. The development of chemical recycling technologies is motivated by two main needs, which are (i) the need to safely and efficiently process materials difficult to treat with mechanical recycling and (ii) the need to produce recycled materials of high quality. Chemical recycling encompasses a variety of technologies, examples of which are presented in this chapter, including, for example, thermochemical treatments and depolymerization. Basic operation principles, recent developments, and future prospects and application areas of the technologies are presented.
Original languageEnglish
Title of host publicationPlastic Waste and Recycling
Subtitle of host publicationEnvironmental Impact, Societal Issues, Prevention, and Solutions
EditorsTrevor Letcher
PublisherAcademic Press
Chapter13
Pages359-384
ISBN (Print)978-0-12-817880-5
DOIs
Publication statusPublished - 2020
MoE publication typeB2 Part of a book or another research book

Keywords

  • depolymerization
  • feedstock recycling
  • gasification
  • new value chains
  • pyrolysis
  • renewal of petrochemical industry
  • upgrading

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