Gasification of tire crumbs inside a drop tube reactor: Seeking optimal conversion conditions

Idowu Adeyemi, Isam Janajreh

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

Abstract

In this work, systematic analysis and numerical model was developed for a drop tube reactor (DTR) using tire crumbs as the feedstock. The feedstock characterization, ultimate and proximate analysis, was first determined using TGA and Flash (CHNOS) analyzer at the Masdar Institute (MI) Waste to Energy Laboratory. The systematic analysis was then used to determine the mole fraction of the product gases and the cold gasification efficiency (CGE) at varying reactor temperature and pressure. A numerical model was then developed using the lagrangian DPM of the tire particles in eularian continuous phase of the oxidant. This model also takes into account the turbulent flow (RNG k-ε model), gas phase gasification (Species Transport model), tire particles devolatilization (Two Competing Rate model), heterogeneous char reaction (Multiple Surface reaction model), particle dispersion by turbulent flow (Stochastic Discrete Random Walk model), radiation (P1 model) and particle distribution (Rosin Rammler model). The temperature distribution and product distribution of the developed model is also presented in this paper.

Original languageBritish English
Title of host publicationProceedings of 2013 International Renewable and Sustainable Energy Conference, IRSEC 2013
Pages447-452
Number of pages6
DOIs
StatePublished - 2013
Event1st International Renewable and Sustainable Energy Conference, IRSEC 2013 - Ouarzazate, Morocco
Duration: 7 Mar 20139 Mar 2013

Publication series

NameProceedings of 2013 International Renewable and Sustainable Energy Conference, IRSEC 2013

Conference

Conference1st International Renewable and Sustainable Energy Conference, IRSEC 2013
Country/TerritoryMorocco
CityOuarzazate
Period7/03/139/03/13

Keywords

  • DPM
  • Drop tube reactor
  • Flash (CHNOS) analyzer
  • TGA

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