Pengoptimuman komposisi dan parameter proses bagi komposit asid pepejal csh 2 po 4 /nah 2 po 4 /sio 2 melalui kaedah taguchi

Translated title of the contribution: Optimisation of the composition and process parameter of csh 2 po 4 /nah 2 po 4 /sio 2 solid acid composite via the taguchi method

Norsyahida Mohammad, Abu Bakar Mohamad, Abdul Amir H. Kadhum, Kee Shyuan Loh

Research output: Contribution to journalArticle

Abstract

Solid acid composites of CsH 2 PO 4 /NaH 2 PO 4 /SiO 2 (CDP/SDP/SiO 2 ) were synthesised with varied SDP to CDP and SiO 2 to CDP mole fractions. The composites were arranged for optimisation via the Taguchi method with L9 orthogonal array, which manipulates four factors: the amount of SDP, amount of SiO 2 , amount of pressure used for pellet production and operating temperature. Responses were recorded as the averaged conductivity value for each experimental set. The composite powders were uniaxially pressed to form pellets of 1 mm thickness for conductivity measurements. Conductivity value was averaged from three readings and used in the signal-to-noise (S/N) ratio formula. The S/N ratio was set such that larger is better and calculated to maximise the response required for the analysis. Operating temperature has the largest effect on the conductivity value of solid acid composites, whereas the amount of SiO 2 has the smallest effect. The amount of SDP in the composite has a larger effect than the pressure applied during pellet production prior to the conductivity measurements. The optimised composite consists of 0.2 mole fraction of SDP to CDP and 0.3 mole fraction of SiO 2 to CDP pressed at 3 tonnes cm -2 to produce pellets and tested at the temperature of 250 °C. The optimisation was validated by using analysis of variance from the Design-Expert ® software.

Original languageMalay
Pages (from-to)109-115
Number of pages7
JournalMalaysian Journal of Analytical Sciences
Volume23
Issue number1
DOIs
Publication statusPublished - 1 Feb 2019

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Taguchi methods
Cytidine Diphosphate
Acids
Composite materials
Chemical analysis
Signal to noise ratio
Analysis of variance (ANOVA)
Powders
Temperature

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Pengoptimuman komposisi dan parameter proses bagi komposit asid pepejal csh 2 po 4 /nah 2 po 4 /sio 2 melalui kaedah taguchi . / Mohammad, Norsyahida; Mohamad, Abu Bakar; Kadhum, Abdul Amir H.; Loh, Kee Shyuan.

In: Malaysian Journal of Analytical Sciences, Vol. 23, No. 1, 01.02.2019, p. 109-115.

Research output: Contribution to journalArticle

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