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primary topic: Influence of preparation methods on physicochemical properties of zirconia for transesterification of Nannochloropsis oculata microalga's oil

Influence of preparation methods on physicochemical properties of zirconia for transesterification of Nannochloropsis oculata microalga's oil
type: AcademicArticle
type: Article
abstract: In this study, zirconia was successfully synthesized using precipitation, sol-gel and hydrothermal methods. The effect of different preparation methods on the physicochemical properties of zirconia were studied using FTIR, surface area and pore analyzer, XRD, FESEM, NH 3 -TPD and CO 2 -TPD. The performance of synthesized zirconia as heterogeneous catalyst to convert Nannochloropsis oculata (N. oculata) oil to biodiesel was also investigated. FTIR results confirmed that the selected calcination temperature is suitable for complete decomposition of organic components and the formation of zirconia phase. It was found that zirconia synthesized using precipitation method shows the highest surface area. However, zirconia synthesized by sol-gel method shows the highest composition of tetragonal crystallite structure. All the samples possess both the acid and basic sites with different strength. The highest lipid conversion (67.86 ) is obtained using zirconia synthesized using sol-gel method. © Published under licence by IOP Publishing Ltd.
date: 2018
volume: 1123
issue: 1
is part of: Journal of Physics: Conference Series
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ConferenceItemEPrint
is part of: repository

Institute of Physics Publishing
type: Organization

Journal of Physics: Conference Series
type: Collection
issn: 17426588

Y. Uemura
type: Person
given name: Y.
family name: Uemura

A. Ramli
type: Person
given name: A.
family name: Ramli

N.J.A. Rahman
type: Person
given name: N.J.A.
family name: Rahman

K. Jumbri
type: Person
given name: K.
family name: Jumbri

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primary topic: Influence of preparation methods on physicochemical properties of zirconia for transesterification of Nannochloropsis oculata microalga's oil