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Co-pyrolysis of polyethylene plastic and cellulose as models for medical waste in supercritical water

  • Xi'an Jiaotong University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

Co-pyrolysis of polyethylene plastic and cellulose as models for medical waste had been studied on a supercritical water batch reactor. The results show that temperature, reaction time, pressure and the mass ratio of water to organic matter have some degree impact on the conversion rate, oil yield and gasification efficiency. Conversion and gasification efficiency reached the maximum values at 440 °C. The content of H2 in the gaseous products rose significantly between 25 MPa~27 MPa. As reaction time increased, conversion and gasification efficiency increased, but oil yield decreased. The composition of gaseous products was affected greatly by the mass ratio of water to organic matter. Adding K2CO3 and Ca(OH)2 as catalyst, the reaction was promoted obviously.

Original languageEnglish
Title of host publicationEnvironmental Protection and Resources Exploitation II
PublisherTrans Tech Publications Ltd
Pages952-955
Number of pages4
ISBN (Print)9783038352099
DOIs
StatePublished - 2014
Event2nd International Conference on Advances in Energy and Environmental Science, ICAEES 2014 - Guangzhou, China
Duration: 21 Jun 201422 Jun 2014

Publication series

NameAdvanced Materials Research
Volume1010-1012
ISSN (Print)1022-6680
ISSN (Electronic)1662-8985

Conference

Conference2nd International Conference on Advances in Energy and Environmental Science, ICAEES 2014
Country/TerritoryChina
CityGuangzhou
Period21/06/1422/06/14

Keywords

  • Cellulose
  • Medical waste
  • Polyethylene plastic
  • Pyrolysis
  • Supercritical water

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