Efficiency and proportions of waste tyre pyrolysis products depending on the reactor type—A review - Publikacja - MOST Wiedzy

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Efficiency and proportions of waste tyre pyrolysis products depending on the reactor type—A review

Abstrakt

This article discusses the current use of different pyrolytic reactors, their constructions and operating principles regarding the yields of main products of waste tyre pyrolytic recycling. Whether one makes a larger or smaller profit, or even a loss due to a surcharge being levied on waste tyre recycling, depends on the sale of the pyrolysis products (gas, char, oil), the proportions and market prices of which differ. The cheapest is gas, which can be used as a source of technological heat of energetically self-sufficient pyrolysis or after purification, can be burned in a boiler and converted into heat or electricity. Raw char is not expensive either. It requires upgrading and then, as carbon black, can be re-used for the production of tyres or in the form of improved carbon can be used as an absorber or catalyst. The most expensive is oil, containing mainly aromatic compounds, on the condition that it will not be burned as diesel or liquid fuel. Hence, the oil yields obtained in various types of pyrolysers are given. This review of pyrolysis reactors is organised according to the criterion of charge movement in the reactor and the means of bringing this about. Depending on the method and speed of movement of the load in reactors, they are classified as fixed-bed and movable-bed reactors. The latter group is subdivided, depending on the method of inducing this movement, into pneumatic (bubbling, spouted, circulating or transport fluidised beds), mechanical (rotary kiln, rake, auger, ablative, stirred) reactors and reactors in which the charge moves under gravity. This review focuses on the construction and operating principles of the reactors and the yields of the products of pyrolytic thermal decomposition of scrap tyres. The summary and comparison of main product yields (oil/ gas/coal) obtained in different reactors and by different authors, presented in graphical and tabular form, constitute a summary and supplement to this work.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS strony 25 - 53,
ISSN: 0165-2370
Język:
angielski
Rok wydania:
2019
Opis bibliograficzny:
Lewandowski W., Januszewicz K., Kosakowski W.: Efficiency and proportions of waste tyre pyrolysis products depending on the reactor type—A review// JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS. -, iss. 140 (2019), s.25-53
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.jaap.2019.03.018
Źródła finansowania:
  • National Centre for Research and Development Poland, No POIR.01.01.01-00-0374/17

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