Design, preparation and characterisation of ZnO-enriched activated carbon from the char of spent tyre pyrolysis

Jorge Preciado Hernandez

doi:10.26182/g566-a048

Design, preparation and characterisation of ZnO-enriched activated carbon from the char of spent tyre pyrolysis

Jorge Preciado Hernandez

School of Engineering

Research output: Thesis › Master's Thesis

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Abstract

Inexpensive pyrolysis char from spent tyres is a promising precursor to produce activated carbon, offering unique advantages due to high Zn content. This thesis investigated the production of ZnO-enriched activated carbon, focusing on the effect of activation conditions on the product yield and properties, CO₂ gasification kinetics, and the fate and transformation of Zn during activation. It was found that the CO₂gasification of the char is kinetically controlled, which is also catalysed by Zn present in the char. However, a trade-off between the optimum surface properties and Zn retention in the activated carbon product was observed.

Original language	English
Qualification	Masters
Awarding Institution	The University of Western Australia
Supervisors/Advisors	Zhang, Dongke, Supervisor Zhu, Mingming, Supervisor
Thesis sponsors	Australian Government Research Training Program
Award date	3 Apr 2020
DOIs	https://doi.org/10.26182/g566-a048
Publication status	Unpublished - 2020

Embargo information

Embargoed from 08/04/2020 to 06/04/2022. Made publicly available on 06/04/2022.

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10.26182/g566-a048

THESIS - MASTER OF PHILOSOPHY - PRECIADO HERNANDEZ, Jorge Enrique - 2020
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Cite this

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title = "Design, preparation and characterisation of ZnO-enriched activated carbon from the char of spent tyre pyrolysis",

abstract = "Inexpensive pyrolysis char from spent tyres is a promising precursor to produce activated carbon, offering unique advantages due to high Zn content. This thesis investigated the production of ZnO-enriched activated carbon, focusing on the effect of activation conditions on the product yield and properties, CO2 gasification kinetics, and the fate and transformation of Zn during activation. It was found that the CO2 gasification of the char is kinetically controlled, which is also catalysed by Zn present in the char. However, a trade-off between the optimum surface properties and Zn retention in the activated carbon product was observed.",

keywords = "Activated Carbon, Zinc Transformations, Activation, Waste Utilisation, CO2 Gasification Kinetics, Spent Tyre Pyrolysis Char",

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year = "2020",

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language = "English",

school = "The University of Western Australia",

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AU - Preciado Hernandez, Jorge

PY - 2020

Y1 - 2020

N2 - Inexpensive pyrolysis char from spent tyres is a promising precursor to produce activated carbon, offering unique advantages due to high Zn content. This thesis investigated the production of ZnO-enriched activated carbon, focusing on the effect of activation conditions on the product yield and properties, CO2 gasification kinetics, and the fate and transformation of Zn during activation. It was found that the CO2 gasification of the char is kinetically controlled, which is also catalysed by Zn present in the char. However, a trade-off between the optimum surface properties and Zn retention in the activated carbon product was observed.

AB - Inexpensive pyrolysis char from spent tyres is a promising precursor to produce activated carbon, offering unique advantages due to high Zn content. This thesis investigated the production of ZnO-enriched activated carbon, focusing on the effect of activation conditions on the product yield and properties, CO2 gasification kinetics, and the fate and transformation of Zn during activation. It was found that the CO2 gasification of the char is kinetically controlled, which is also catalysed by Zn present in the char. However, a trade-off between the optimum surface properties and Zn retention in the activated carbon product was observed.

KW - Activated Carbon

KW - Zinc Transformations

KW - Activation

KW - Waste Utilisation

KW - CO2 Gasification Kinetics

KW - Spent Tyre Pyrolysis Char

U2 - 10.26182/g566-a048

DO - 10.26182/g566-a048

M3 - Master's Thesis

ER -

Design, preparation and characterisation of ZnO-enriched activated carbon from the char of spent tyre pyrolysis

Abstract

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