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Project 2

Project 2: Syngas Production Via CO2 Reforming of Methane Using Nanocatalysts

Prof Dr Taufiq Yap Yun Hin
Catalysis Science and Technology Research Centre,
Faculty of Science,
Universiti Putra Malaysia,
UPM Serdang, Selangor

Chemistry, Chemical Engineering

Carbon dioxide (CO2) has been identified as the most significant greenhouse gas arising from anthropogenic activities. It is of great importance to reduce anthropogenic CO2 emissions in order to counteract global warming. One such method, which is presently being extensively investigated, is the sequestration of CO2 produced by concentrated sources (such as industrial plants and power stations). However, no one can be sure of the potential influence of CO2 buried on the ecosystem in the long term. Conversion of CO2 instead of its sequestration is presently being explored as one potential alternative solution. Production of useful value-added products (chemicals products, fuels) by dry reforming of methane appears to be an interesting method. The dry reforming of methane produces an equimolar synthesis gas (syngas) which is a mixture of hydrogen (H2) and carbon monoxide (CO), from carbon dioxide and methane (CH4), according to Eq.1.

CH4 + CO2   ?  2CO + 2H  ?H°1023 = 261 kJ mol-1    (1)

Therefore, the research is mainly derived on the development of heterogeneous catalyst in order to get more effective catalyst for the utilization of these greenhouse gases (GHG). Generally, the reforming catalyst is classified into two major groups, nickel and noble metal based catalyst. Compared with the noble catalyst, nickel based catalyst is more preferable for industry due to its high activity, abundance and price. However, it is more sensitive to the coke formation and metal sintering. This research is focused on the development of Ni-based catalyst with excellent properties and activity to produce more syngas and low carbon formation. New effective Ni catalyst with low cost materials will be prepared. Several characterization techniques including XRD, BET, H2-TPR, CO2-TPD, TPD, SEM, TEM and XPS will be conducted for identifying and clarifying the catalyst properties. The catalytic dry methane reforming will be conducted using fixed bed microreactor over the synthesized nanocatalyst. Optimization of catalyst and reaction condition will be also examined. The expected results of this research are,

  1. new modified nanoparticle of Ni supported catalyst with excellent properties and activity with high resistance to carbon formation in long during of dry reforming reaction and
  2. optimal reaction condition of dry methane reforming process can be obtained.

Objectives

  • To understand the fundamental mechanism of interaction between CO2 and CH4 for syngas production.
  • To identify the desired characteristics that will favour high syngas production at different operating conditions. 
  • To tailor-made non-noble metal nanocatalysts with desired characteristics and properties for dry methane reforming to syngas.
  • To characterize the synthesized nanocatalysts
  • To examine the catalytic properties and optimize the reaction condition

Expected Outcome

  • To develop a new catalyst and its application therefore, regarding to the hydrogen production via dry methane reforming, we expect to discover a new catalyst system that has high novelty with excellent properties and activity. This new catalyst can be employed for long term reaction with high syngas production and low carbon formation. We also will try to find and develop a new theory regarding to the catalytic system correlated with catalyst characteristic.
  • This research is potential to produce high value added product (hydrogen and syngas) generates via dry methane reforming. Special case for Malaysia that has large palm oil industry. Syngas production system can be built as support system in the industry since a huge amount of palm oil mill effluence as biomass can be utilized to produce biogas which consist of methane and CO2.

Researchers

  
Prof. Dr. Mohd. Ambar Yarmo 
Faculty of Science and Technology, UKM
 Dr. Mohd Rahimi Yusop 
Faculty of Science and Technology, UKM
 Dr. Mohd. Izham Saiman 
Department of Chemistry,Faculty of Science, UPM

 

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