Multi-composition Cu-Zn-Al catalyst supported on ZSM-5 for hydrogen production

Zahira Yaakob, Satheesh N. Kumar, Mohd. Adib Ibrahim, Wan Ramli Wan Daud, Abdul Amir H. Kadhum

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Multi-composition Cu-Zn-Al (CZA) catalyst system supported on aluminosilicate zeolite (ZSM-5) was prepared by the impregnation method. The experiments were performed by varying the metal composition using statistical experimental design method namely Simplex Centroid Design. A series of catalysts were prepared by varying the different metal content in the composition up to 15 % supported on 85% ZSM-5. Brunauer- Emmett-Teller method (BET) was adopted to characterise the surface area of the prepared catalyst. The reduction properties of the catalyst were ascertained using temperature programmed reduction (TPR) technique. The CO adsorption capabilities of the catalysts at 60, 200, 225, 250, 275 and 300 °C have been investigated using chemisorption method. Xray diffraction (XRD) technique was adopted to evaluate the structure of the catalysts. The shape and morphology of the catalysts were analysed using scanning electron microscopy- energy dispersive x-ray (SEM-EDX). The multifunctional Cu, Zn and Al catalyst supported on ZSM-5 showed a high BET surface area of about 132 ~ 196 m2/g. The TPR profiles showed the occurrence of reduction in a temperature range of 230 - 260°C. The performance of the catalyst in stream reforming methanol (SRM) and auto thermal steam reforming methanol (ATRM) processes suggested that, a maximum hydrogen yield of 73.09 and 76.88 mol% could be obtained with Cu6Zn7Al2/ZSM-5 catalyst in SRM and ATRM process respectively. The observed carbon monoxide (CO) formation in SRM and ATRM process was 0.12 and 0.77 mol% respectively.

Original languageEnglish
Pages (from-to)141-154
Number of pages14
JournalEuropean Journal of Scientific Research
Volume28
Issue number1
Publication statusPublished - 2009

Fingerprint

hydrogen production
Hydrogen production
Catalyst
catalysts
Catalyst supports
Hydrogen
Methanol
catalyst
hydrogen
Catalysts
Steam
methanol
Chemical analysis
Hot Temperature
Steam reforming
Carbon Monoxide
Reforming reactions
Temperature
automobiles
steam

Keywords

  • ATRM
  • Cu-Zn-Al/ZSM-5 catalyst
  • Fuel Cell
  • Hydrogen
  • PEMFC
  • SEM-EDX
  • SRM
  • XRD

ASJC Scopus subject areas

  • General

Cite this

Multi-composition Cu-Zn-Al catalyst supported on ZSM-5 for hydrogen production. / Yaakob, Zahira; Kumar, Satheesh N.; Ibrahim, Mohd. Adib; Wan Daud, Wan Ramli; Kadhum, Abdul Amir H.

In: European Journal of Scientific Research, Vol. 28, No. 1, 2009, p. 141-154.

Research output: Contribution to journalArticle

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AU - Kadhum, Abdul Amir H.

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