Year
2021
Degree Name
Master of Philosophy
Department
School of Mechanical, Materials, Mechatronic and Biomedical Engineering
Abstract
Fluidised Catalytic Cracking (FCC) is one of the most important petroleum refining processes from which light fuels gasoline, diesel, liquefied petroleum gas and important petrochemical feedstock such as ethylene and propylene are produced from heavy crude oil components. A large amount of waste FCC catalyst caused by deposition of harmful heavy metals is produced every year. At present, the waste catalyst is usually disposed by landfill. This undoubtedly results in a waste of resources and serious environmental damage. In this thesis, through comprehensive analysis of the literature, the current methods of extracting metals from the waste catalyst and their advantages and disadvantages are analysed. By analysing different publications, it is proposed and examined to remove the metals by reduction followed by leaching with a weak organic acid or carbonylation, for the regeneration of the used catalyst. The technical methods for removing metals using carbonylation or organic acid have the advantages of low costs and without damage of the catalyst structure, so the catalyst’s activity can be maximally maintained.
Recommended Citation
Zhao, Haimiao, Separation of Ni, Co and Fe from Fe-II Sludge and Used Fluidised Catalytic Cracking Catalyst, Master of Philosophy thesis, School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, 2021. https://ro.uow.edu.au/theses1/1258
FoR codes (2020)
4016 Materials engineering
Unless otherwise indicated, the views expressed in this thesis are those of the author and do not necessarily represent the views of the University of Wollongong.